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? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 description the la series of transient voltage surge suppressors are radial leaded varistors (movs) that are designed to be operated continuously across ac power lines. these ul recognized varistors require very little mounting space, and are offered in various standard lead form options. the la series varistors are available in four model sizes: 7mm, 10mm, 14mm and 20mm; and have a v m(ac)rms voltage range from 130v to 1000v, and an energy absorption capability up to 360j. some la series model numbers are available with clamping voltage selections, designated by a model number suffx of either a or b. the 'a' selection is the standard model; the 'b' selection provides a lower clamping voltage. see la series device ratings and specifcations table for part number and brand information. features ? leadCfree, halogen- free and rohs compliant. ? energy absorption capability (w tm ) up to 360j ? wide operating voltage range v m(ac)rms 130v to 1000v ? no derating up to 85oc ambient ? available in tape and reel or bulk pack agency approvals absolute maximum ratings ? for ratings of individual members of a series, see device ratings and specifcations chart agency agency file number e320116, e135010 116895 lr91788 42201-006 continuous la series units steady state applied voltage: ac voltage range (v m(ac)rms ) 130 to 1000 v dc voltage range (v m(dc) ) 175 to 1200 v transients: peak pulse current (i tm ) for 8/20 s current wave (see figure 2) 1200 to 6500 a single pulse energy range for 10/1000 s current wave (w tm ) 11 to 360 j operating ambient temperature range (t a ) -55 to +85 o c storage temperature range (t stg ) -55 to +125 o c temperature coeffcient (a v ) of clamping voltage (v c ) at specifed test current <0.01 %/ o c hi-pot encapsulation (coating isolation voltage capability) (dielectric must withstand indicated dc voltage for one minute per mil-std 202, method 301) 2500 v coating insulation resistance 1000 m caution: stresses above those listed in absolute maximum ratings may cause permanent damage to the device. this is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specifcation is not implied. la varistor series rohs varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 la series ratings & specifcations part number branding model size disc dia. (mm) maximum rating (85c) specifcations (25c) continuous transient varistor voltage at 1ma dc test current maximum clamping voltage 8 x 20 s typical capaci- tance f = 1mhz v rms v dc energy 10 x 1000 s peak current 8 x 20s v m(ac) v m(dc) w tm i tm v nom min v nom max v c i pk c (v) (v) (j) (a) (v) (v) (v) (a) (pf) v130la1p p1301 7 130 175 11 1200 198 242 390 10 180 v130la2p p1302 7 130 175 11 1200 184.5 225.5 340 10 180 v130la5p p1305 10 130 175 20 2500 184.5 225.5 340 25 450 v130la10ap p130l10 14 130 175 38 4500 184.5 225.5 340 50 1000 v130la20ap p130l20 20 130 175 70 6500 184.5 225.5 340 100 1900 v130la20bp p130l20b 20 130 175 70 6500 190 220 325 100 1900 v140la2p p1402 7 140 180 12 1200 198 242 360 10 160 v140la5p p1405 10 140 180 22 2500 198 242 360 25 400 v140la10ap p140l10 14 140 180 42 4500 198 242 360 50 900 v140la20ap p140l20 20 140 180 75 6500 198 242 340 100 1750 v150la1p p1501 7 150 200 13 1200 225 275 430 10 150 v150la2p p1502 7 150 200 13 1200 216 264 395 10 150 v150la5p p1505 10 150 200 25 2500 216 264 395 25 360 v150la10ap p150l10 14 150 200 45 4500 216 264 395 50 800 v150la20ap p150l20 20 150 200 80 6500 216 264 395 100 1600 v150la20bp p150l20b 20 150 200 80 6500 216 243 360 100 1600 v175la2p p1752 7 175 225 15 1200 243 297 455 10 130 v175la5p p1755 10 175 225 30 2500 243 297 455 25 350 v175la10ap p175l10 14 175 225 55 4500 243 297 455 50 700 v175la20ap p175l20 20 175 225 90 6500 243 297 455 100 1400 v230la4p p2304 7 230 300 20 1200 324 396 595 10 100 v230la10p p230l 10 230 300 35 2500 324 396 595 25 250 v230la20ap p230l20 14 230 300 70 4500 324 396 595 50 550 v230la40ap p230l40 20 230 300 122 6500 324 396 595 100 110 0 v250la2p p2502 7 250 330 21 1200 369 451 730 10 90 v250la4p p2504 7 250 330 21 1200 351 429 650 10 90 v250la10p p250l 10 250 330 40 2500 351 429 650 25 220 v250la20ap p250l20 14 250 330 72 4500 351 429 650 50 500 v250la40ap p250l40 20 250 330 130 6500 351 429 650 100 1000 v250la40bp p250l40b 20 250 330 130 6500 354 413 620 100 1000 v275la2p p2752 7 275 369 23 1200 405 495 775 10 80 v275la4p p2754 7 275 369 23 1200 387 473 710 10 80 v275la10p p275l 10 275 369 45 2500 387 473 710 25 200 v275la20ap p275l20 14 275 369 75 4500 387 473 710 50 450 v275la40ap p275l40 20 275 369 140 6500 387 473 710 100 900 v275la40bp p275l40b 20 275 369 140 6500 389 453 680 100 900 v300la2p p3002 7 300 405 25 1200 441 539 870 10 70 v300la4p p3004 7 300 405 25 1200 423 517 775 10 70 v300la10p p300l 10 300 405 46 2500 423 517 775 25 180 v300la20ap p300l20 14 300 405 77 4500 423 517 775 50 400 v300la40ap p300l40 20 300 405 165 6500 423 517 775 100 800 v320la7p p3207 7 320 420 25 1200 459 561 850 10 65 V320LA10P p320l 10 320 420 48 2500 459 561 850 25 170 v320la20ap p320l20 14 320 420 80 4500 459 561 850 50 380 v320la40bp p320l40 20 320 420 150 6500 462 540 810 100 750 v385la7p p3857 7 385 505 27 1200 558 682 1025 10 60 varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 part number branding model size disc dia. (mm) maximum rating (85c) specifcations (25c) continuous transient varistor voltage at 1ma dc test current maximum clamping voltage 8 x 20 s typical capaci- tance f = 1mhz v rms v dc energy 10 x 1000 s peak current 8 x 20s v m(ac) v m(dc) w tm i tm v nom min v nom max v c i pk c (v) (v) (j) (a) (v) (v) (v) (a) (pf) v385la10p p385l 10 385 505 51 2500 558 682 1025 25 160 v385la20ap p385l20 14 385 505 85 4500 558 682 1025 50 360 v385la40bp p385l40 20 385 505 160 6500 558 682 1025 100 700 v420la7p p4207 7 420 560 30 1200 612 74 8 112 0 10 55 v420la10p p420l 10 420 560 55 2500 612 74 8 112 0 25 140 v420la20ap p420l20 14 420 560 90 4500 612 74 8 112 0 50 300 v420la40bp p420l40 20 420 560 160 6500 610 720 1060 100 600 v460la7p p4607 7 460 615 37 1200 643.5 786.5 119 0 10 55 v460la10p p460l 10 460 615 56 2500 643.5 786.5 119 0 25 120 v460la20ap p460l20 14 460 615 100 4500 643.5 786.5 119 0 50 280 v460la40bp p460l40 20 460 615 170 6500 643.5 755.5 1110 100 560 v480la7p p4807 7 480 640 35 1200 675 825 1240 10 50 v480la10p p480l 10 480 640 60 2500 675 825 1240 25 120 v480la40ap p480l40 14 480 640 105 4500 675 825 1240 50 270 v480la80bp p480l80 20 480 640 180 6500 675 790 116 0 100 550 v510la10p p510l 10 510 675 63 2500 738 902 1350 25 100 v510la40ap p510l40 14 510 675 110 4500 738 902 1350 50 250 v510la80bp p510l80 20 510 675 190 6500 738 860 1280 100 500 v575la10p p575l 10 575 730 65 2500 819 1001 1500 25 90 v575la40ap p575l40 14 575 730 120 4500 819 1001 1500 50 220 v575la80bp p575l80 20 575 730 220 6500 819 960 1410 100 450 v625la10p p625l 10 625 825 67 2500 900 110 0 1650 25 80 v625la40ap p625l40 14 625 825 125 4500 900 110 0 1650 50 210 v625la80bp p625l80 20 625 825 230 6500 900 110 0 1650 100 425 v680la10p p680l 10 680 875 75 2500 990 1210 1875 25 65 v680la80ap p680l80 14 680 875 145 4500 990 1210 1875 50 190 v680la100bp p680l100 20 680 875 260 6500 990 113 0 1700 100 380 v660la10p p660l 10 660 850 70 2500 972 118 8 1820 25 70 v660la50ap p660l50 14 660 850 140 4500 972 118 8 1820 50 200 v660la100bp p660l100 20 660 850 250 6500 940 110 0 1650 100 400 v1000la80ap p1000l8 14 1000 1200 220 4500 1500 1800 2700 50 130 v1000la160bp p1000l16 20 1000 1200 360 6500 1425 1600 2420 100 250 la series ratings & specifcations (continued...) note: average power dissipation of transients not to exceed 0.25w, 0.4w, 0.6w or 1w for model sizes 7mm, 10mm, 14mm and 20mm, respectively. phenolic coating option -- la series varistors for hi-temperature operating conditions: ? phenolicCcoated la series devices are available with improved maximum operating maximum temperature 125c. ? these devices also have improved temperature cycling performance capability. ? ratings and specifcations are as per standard la series except hiCpot encapsulation (isolation voltage capability) = 500v. ? these devices are not ul, csa, vde or cecc certifed. ? to order: add x1347 to end of part number (e.g. v230la20apx1347) ? product marking: lf 9 p230p20 yyww phenolic coated option identi?er lead-free, halogen-free & rohs compliant indicator varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 should transients occur in rapid succession, the average power dissipation is the energy (watt-seconds) per pulse times the number of pulses per second. the power so developed must be within the specifcations shown on the device ratings and specifcations table for the specifc current energy and power dissipation ratings peak pulse current test waveform figure 2. peak pulse current tes t wa veform 10 0 90 50 10 o 1 t t 1 t 2 time percent of peak v alue o 1 = vir tual or igin of wa ve t = t ime fr om 1 0% to 90% of p eak t 1 = vir tual fr ont time = 1 .25 ? t t 2 = vir tual t ime to half v alue (impulse du ration) ex ample: f or an 8/20 s curr ent wa ve fo rm : 8s = t 1 = vir tual fr ont t ime 20 s = t 2 = vir tual t ime to half v alue 0 1 = virtual origin of wave t = time from 10% to 90% of peak t 1 = rise time = 1.25 x t t 2 = decay time example - for an 8/20 s current waveform: 8 s = t 1 = rise time 20 s = t 2 = decay time 10 0 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 10 01 10 12 01 30 14 01 50 ambient temper a ture ( o c) percent of ra ted v alue figure 1. current , energy and po wer der a ting cur ve figure 1a - power derating for epoxy coated figure 2 figure 1. current , energy and po wer der a ting cur ve 10 0 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 10 01 10 12 01 30 14 01 50 ambient temper a ture ( o c) percent of ra ted v alue device. the operating values of a mov need to be derated at high temperatures as shown above. because varistors only dissipate a relatively small amount of average power they are not suitable for repetitive applications that involve substantial amounts of average power dissipation. figure 1b - power derating for phenolic coated varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) v130la1(p) - v300la2(p) tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) v320la7(p) - v480la7(p) maximum clamping voltage for 7mm parts v130la2(p) - v300la4(p) tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) transient v-i characteristics curves pulse rating curves figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 repetitive surge capability for 7mm parts v130la1(p) - v480la7(p) figure 3 figure 4 figure 5 figure 6 varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) maximum clamping voltage for 10mm parts v300la10(p) - v680la10(p) transient v-i characteristics curves (continued...) v130la5(p) - v420la10(p) tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) repetitive surge capability for 10mm parts v130la5(p) - v680la10(p) figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 pulse rating curves (continued...) figure 7 figure 9 figure 8 varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 maximum clamping voltage for 14mm parts v130la10a(p) - v320la20a tr ansient v -i char act er istics curv es figure 3. clamping vo lta ge for v1 30la1(p) - v300la2(p) figure 4. clamping vo lta ge for v1 30la2 (p) - v300la4(p) figure 5. clamping vo lta ge for v320la7(p) - v480la7(p) figure 6. clamping vo lta ge for v1 30la5(p) - v420la1 0(p) figure 7. clamping vo lta ge for v300la1 0 (p) - v680la1 0(p) figure 8. clamping vo lta ge for v1 30la1 0a (p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v1 50la1(p) v1 30la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 0 maximum clamping vo lt ag e model size 7mm 1 30 to 300v m(a c) ra ting t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v1 30la2(p) v1 40la2(p) v1 50la2(p) v1 75la2(p) maximum clamping vo lta ge model size 7mm t a = -55 o c to 85 o c 320 to 480v m(a c) ra ting v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la1 0(p) v250la1 0(p) maximum clamping vo lt ag e model size 1 0mm 1 30 to 420v m(a c) ra ting t a = -55 o c to 85 o c v230la1 0(p) v420la1 0(p) v1 75la5(p) v1 30la5(p) v1 40la5(p) v1 50la5(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la1 0(p) v51 0la1 0(p) v480la1 0(p)/ v460la1 0(p) v385la1 0(p) v300la1 0(p) v320la1 0(p) peak amperes (a) v625la1 0(p) v660la1 0(p) maximum clamping vo lta ge model size 1 0mm t a = -55 o c to 85 o c 300 to 680v m(a c) ra ting maximum peak vo l ts (v) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping vo lt ag e model size 1 4mm 1 30 to 320v m(a c) ra ting t a = -55 o c to 85 o c v230la20a(p) v1 75la1 0a(p) v1 30la1 0a(p) v1 40la1 0a(p) v1 50la1 0a(p) v320la20a(p) v300la20a(p) v680la1 0(p) figure 9. clamping vo lt ag e for v385la20a (p) - v1000la80a (p) figure 10 .c lamping vo lt a ge for v130la20 a (p) - v275la40 a (p) figure 11. clamping vo lt ag e for v130la20 b (p) - v275la40 (p) figure 12. clamping vo lt ag e for v140la20 a (p) - v230la40 a (p) figure 13. clamping vo lt a ge for v300la40a - v1000la160b 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping vo lt ag e model size 14mm 385 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c 700 v625la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo lt s (v) peak amperes (a ) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a ) 1,000 10 3 maximum clamping vo lt ag e model size 20mm 140 to 230v m(ac ) ra ting t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping vo lt ag e model size 20mm 300 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c v575la80b(p) v680la80a(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) v385la20a(p) v1000la80a(p) transient v-i characteristics curves (continued...) repetitive surge capability for 14mm parts v130la10a(p) - v320la20a(p) figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 v385la20a(p) - v1000la80a(p) figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 pulse rating curves (continued...) figure 10 figure 11 figure 12 figure 13 varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 maximum clamping voltage for 20mm parts figure 9. clamping vo lt ag e for v385la20a (p) - v1000la80a (p) figure 10 .c lamping vo lt a ge for v130la20 a (p) - v275la40 a (p) figure 11. clamping vo lt ag e for v130la20 b (p) - v275la40 (p) figure 12. clamping vo lt ag e for v140la20 a (p) - v230la40 a (p) figure 13. clamping vo lt a ge for v300la40a - v1000la160b 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping vo lt ag e model size 14mm 385 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c 700 v625la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo lt s (v) peak amperes (a ) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a ) 1,000 10 3 maximum clamping vo lt ag e model size 20mm 140 to 230v m(ac ) ra ting t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping vo lt ag e model size 20mm 300 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c v575la80b(p) v680la80a(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) v300la40a - v1000la160b transient v-i characteristics curves (continued...) repetitive surge capability for 20mm parts v130la20a(p) - v320la40b(p) figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 pulse rating curves (continued...) v385la40b(p) - v1000la160b(p) figure 14 . surge current ra ting cur ves for v1 30la1(p) - v480la7(p) figure 15 . surge current ra ting cur ves for v1 30la5(p) - v680la1 0(p) figure 16 . surge current ra ting cur ves for v1 30la1 0a(p) - v320la20a(p) figure 17 . surge current ra ting cur ves for v385la20a(p) - v1 000la80a(p) figure 18 . surge current ra ting cur ves for v1 30la20a(p) - v320la40b(p) figure 19 . surge current ra ting cur ves for v385la40b(p) - v1 000la1 60b(p) 2,000 1,000 200 10 0 50 20 10 5 1 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v1 30la1(p) - v480la7(p) 10 3 indefini te 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 0mm v1 30la5(p) - v680la1 0(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v1 30la1 0a(p) - v320la20a(p) 10 3 indefini te 1,000 10 2 5,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 1 4mm v385la20a(p) - v1 000la80a(p) 10 3 indefini te 1,000 10 2 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v1 30la20a(p) - v320la40b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 1 0,000 2,000 200 10 0 50 20 10 5 2 500 20 10 0 1,000 1 0,000 impul se dura tion ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1 000la1 60b(p) 10 3 indefini te 1,000 10 2 10 5,000 1 note: if pulse ratings are exceeded, a shift of v n(dc) (at specifed current) of more than +/-10% could result. this type of shift, which normally results in a decrease of v n(dc) , may result in the device not meeting the original published specifcations, but does not prevent the device from continuing to function, and to provide ample protection. v130la20a(p) - v275la40a(p) figure 9. clamping vo lt ag e for v385la20a (p) - v1000la80a (p) figure 10 .c lamping vo lt a ge for v130la20 a (p) - v275la40 a (p) figure 11. clamping vo lt ag e for v130la20 b (p) - v275la40 (p) figure 12. clamping vo lt ag e for v140la20 a (p) - v230la40 a (p) figure 13. clamping vo lt a ge for v300la40a - v1000la160b 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping vo lt ag e model size 14mm 385 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c 700 v625la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo lt s (v) peak amperes (a ) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a ) 1,000 10 3 maximum clamping vo lt ag e model size 20mm 140 to 230v m(ac ) ra ting t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping vo lt ag e model size 20mm 300 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c v575la80b(p) v680la80a(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) figure 9. clamping vo lt ag e for v385la20a (p) - v1000la80a (p) figure 10 .c lamping vo lt a ge for v130la20 a (p) - v275la40 a (p) figure 11. clamping vo lt ag e for v130la20 b (p) - v275la40 (p) figure 12. clamping vo lt ag e for v140la20 a (p) - v230la40 a (p) figure 13. clamping vo lt a ge for v300la40a - v1000la160b 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping vo lt ag e model size 14mm 385 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c 700 v625la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo lt s (v) peak amperes (a ) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a ) 1,000 10 3 maximum clamping vo lt ag e model size 20mm 140 to 230v m(ac ) ra ting t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping vo lt ag e model size 20mm 300 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c v575la80b(p) v680la80a(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) v130la20b(p) - v275la40(p) v130la20a(p) - v275la40a(p) figure 9. clamping vo lt ag e for v385la20a (p) - v1000la80a (p) figure 10 .c lamping vo lt a ge for v130la20 a (p) - v275la40 a (p) figure 11. clamping vo lt ag e for v130la20 b (p) - v275la40 (p) figure 12. clamping vo lt ag e for v140la20 a (p) - v230la40 a (p) figure 13. clamping vo lt a ge for v300la40a - v1000la160b 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping vo lt ag e model size 14mm 385 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c 700 v625la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo lt s (v) peak amperes (a ) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping vo lt ag e model size 20mm 130 to 275v m(ac ) ra ting t a = -55 o c to 85 o c 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a ) 1,000 10 3 maximum clamping vo lt ag e model size 20mm 140 to 230v m(ac ) ra ting t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak vo l ts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping vo lt ag e model size 20mm 300 to 1000v m(ac ) ra ting t a = -55 o c to 85 o c v575la80b(p) v680la80a(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) figure 14 figure 15 figure 16 figure 17 figure 18 figure 19 varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 wave solder profle operating ambient temperature range -55c to +85c storage temperature range -55c to +125c humidity aging +85c, 85% rh, 1000 hours +/-10% typical voltage change thermal shock +85c to -40c 5 times +/-10% typical voltage change solvent resistance milCstdC202, method 215f moisture sensitivity level 1, jCstdC020c lead material copper clad steel wire soldering characteristics solderability per milCstdC202, method 208e insulating material cured, ? ame retardant epoxy polymer meets ul94vC0 requirements device labeling marked with lf, voltage, ul/csa logos, and date code physical specifcations environmental specifcations 0 50 100 150 200 250 300 00 .5 11 .5 22 .5 33 .5 4 tim e (mi nute s) te mper at ure (o c) ma xi mu m wa ve 24 0c leadCfree profle 0 50 100 150 200 250 300 00 .5 11 .5 22 .5 33 .5 4 time (mi nute s) t emperat ure (o c) ma xi mu m wa ve 26 0c non leadCfree profle figure 20 figure 21 varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 product dimensions (mm) dimension v rms volta ge model 7mm size 10mm size 14mm size 20mm size min. mm (in) max. mm (in) min. mm (in) max. mm (in) min. mm (in) max. mm (in) min. mm (in) max. mm (in) a v130la- v320la - 12 (0.472) - 16 (0.630) - 20 (0.787) - 26.5 (1.043) v385la- v1000la - 13 (0.0512) - 17 (0.689) - 20.5 (0.807) - 28 (1.102) ?d all - 9 (0.354) - 12.5 (0.492) - 17 (0.669) - 23 (0.906) e all 4 (0.157) 6 (0.236) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) (note 2) 8.5 (note 2) e 1 v130la- v320la 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) v385la- v1000la 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) e v130la- v320la - 5.6 (0.220) - 5.6 (0.220) - 5.6 (0.220) - 5.6 (0.220) v385la- v510la - 7.3 (0.287) - 7.3 (0.287) - 7.3 (0.287) - 7.3 (0.287) v550la- v680la - 8.3 (0.327) - 8.3 (0.327) - 8.3 (0.327) - 8.3 (0.327) v1000la - - - - - 10.8 (0.425) - 10.8 (0.425) ?b all (note 3) 0.585 (0.023) 0.685 (0.027) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) (note 2) 0.86 (0.034) (note 2) a trim all - 15 (0.591) - 19.5 (0.768) - 22.5 (0.886) (note 4) - 29.0 (1.142) l trim all 2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185) symbol vo ltag e model va rist or model size 7mm1 0mm 14mm 20mm min max min max min max min max av 130la- v320la - - 12 (0.472) - - 16 (0.630) - - 20 (0.787) - - 26.5 (1.043) v385la- v1000la - - 13 (0.0512) - - 17 (0.689) - - 20.5 (0.807) - - 28 (1.102) ? da ll - - 9 (0.354) - - 12.5 (0.492) - - 17 (0.669) - - 23 (0.906) ea ll 4 (0.157)6 (0.236) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) (note 2) 8.5 (0.335) (note 2) e 1 v130la- v320la 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) 1.5 (0.059) 3.5 (0.138) v385la- v1000la 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) 2.5 (0.098) 5.5 (0.217) e v130la- v320la - - 5.6 (0.220) - - 5.6 (0.220) - - 5.6 (0.220) - - 5.6 (0.220) v385la- v510la - - 7.3 (0.287) - - 7.3 (0.287) - - 7.3 (0.287) - - 7.3 (0.287) v1000la - - - - - - - - - - 10.8 (0.425) - - 10.8 (0.425) ? ba ll (note 3) 0.585 (0.023) 0.685 (0.027) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) (note 2) 0.86 (0.034) (note 2) no tes: 1. dimensions in millimeter s, inches in parentheses . 2. 10mm (9mm min, 11mm max) also av ailable; see additional lead style options 3. 1000v par ts supplied with lead wire of diameter 1.00 0.05 (0.039 0.002). v550la- v680la - - 8.3 (0.327) - - 8.3 (0.327) - - 8.3 (0.327) - - 8.3 (0.327) * sea ting plane l t rim a trim notes : 1. dimensions in millimeters, (inches) in parentheses. 2. 10mm (9mm min. & 11mm max.) also available; see additional lead style options 3. 1000v parts supplied with lead wire of diameter 1.00 -/+ 0.05 (0.039 -/+ 0.002) 4. 'a' max. for v1000lc80a (p) = 24.00 (0.945) crimped and trimmed lead crimped leads are standard on la types supplied in tape and reel and are denoted by the model letter "t." model letter "s" denotes straight leads and letter "u" denotes special under-crimped leads. *seating plane interpretation per iec-717 varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 tape and reel specifcations crimped leads "lt" crimped leads "lt" cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 under-crimped leads "lu" under-crimped leads "lu" cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 7mm devices 10, 14 and 20mm devices s traight leads "l s" s traight leads "l s" cr imped leads "zt" cr imped leads "zt" straight leads "zs" straight leads "zs" under -cr imped leads "zu " p1 p0 e dp dh dh w1 w f t w2 w0 p dp c db h 0 dd0 h 1 sea ting plane p2 p1 p0 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 sea ting plane p2 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db h dd0 h 1 u p1 p0 p2 dh e dh dp w1 w f t w2 w0 p dp db ho dd0 h 1 under -cr imped leads "zu " p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 (dimensions presented on following page.) varistor products radial lead varistors > la series la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 symbol description model size 7mm 10mm 14mm 20mm p pitch of component 12.7 +/- 1.0 25.4 +/- 1.0 25.4 +/- 1.0 25.4 +/- 1.0 p 0 feed hole pitch 12.7 +/- 0.2 12.7 +/- 0.2 12.7 +/- 0.2 12.7 +/- 0.2 p 1 feed hole center to pitch 3.85 +/- 0.7 8.85 +/- 0.7 8.85 +/- 0.7 8.85 +/- 0.7 p 2 hole center to component center 6.35 +/- 0.7 12.7 +/- 0.7 12.7 +/- 0.7 12.7 +/- 0.7 f lead to lead distance 5.0 +/- 0.8 7.5 +/-0.8 7.5 +/- 0.8 7.5 +/- 0.8 h component alignment 2.0 max 2.0 max 2.0 max 2.0 max w tape width 18.0 +1.0 / -0.5 18.0 +1.0 / -0.5 18.0 +1.0 / -0.5 18.0 +1.0 / -0.5 w 0 hold down tape width 12.0 +/- 0.3 12.0 +/- 0.3 12.0 +/- 0.3 12.0 +/- 0.3 w 1 hole position 9.0 +0.75 / -0.50 9.0 +0.75 / -0.50 9.0 +0.75 / -0.50 9.0 +0.75 / -0.50 w 2 hold down tape position 0.5 max 0.5 max 0.5 max 0.5 max h height from tape center to component base 18.0 +2.0 / -0.0 18.0 +2.0 / -0.0 18.0 +2.0 / -0.0 18.0 +2.0 / -0.0 h 0 seating plane height 16.0 +/- 0.5 16.0 +/- 0.5 16.0 +/- 0.5 16.0 +/- 0.5 h 1 component height 32.0 max 36.0 max 40.0 max 46.5 max d 0 feed hole diameter 4.0 +/- 0.2 4.0 +/- 0.2 4.0 +/- 0.2 4.0 +/- 0.2 t total tape thickness 0.7 +/- 0.2 0.7 +/- 0.2 0.7 +/- 0.2 0.7 +/- 0.2 u under-crimp width 8.0 max 8.0 max 8.0 max 8.0 max p component alignment 3 max 1.00mm 3 max 1.00mm 3 max 1.00mm 3 max tape and reel specifcations (continued) note: dimensions are in mm. ? conforms to ansi and eia specifcations ? can be supplied to iec publication 286-2 ? radial devices on tape are supplied with crimped leads, straight leads, or under-crimped leads ? 7mm parts are available on tape and reel up to 480 vac only ? 10mm parts are available on tape and reel up to 510 vac only ? 14mm and 20mm parts are available on tape and reel up to 550 vac only standard bulk pack quantity varistor voltage model standard bulk pack quantity varistor model size 7mm 10mm 14mm 20mm 130-275 1500 1000 700 500 300-460 1500 1000 600 400 510-625 1500 1000 500 400 660 n/a 1000 500 400 680 n/a 1000 400 300 1000 n/a n/a 300 200 varistor products radial lead varistors > la series
? 2014 littelfuse, inc. specifcations are subject to change without notice. revised: 05/23/14 part numbering system xx f or ?v aris t or? v m(a c) (thr ee or four digits -- 130v to 1,000v) v xxxx la x rela tive ener gy indica to r (one or t wo digits) clamp vo lta ge v ariant (one digit, wher e applicable) lead-free, hal ogen-free and r ohs compliant indic at or p see options codes not es below xxxxx option codes (see notes below) ba se pa rt codes (see ratings & speci?cations tables and notes below) series + pa ck ag ing / lead s tyle designa to r (see base pa rt codes notes below) la = bulk pack / straight leads (standar d) lc = bulk pack / crimped and t rimmed leads ls = ta pe and reel / straight leads lt = ta pe and reel / crimped leads lu = ta pe and reel / under -crimped leads ordering notes: series + packaging / lead style designators: ordering examples: straight lead bulk pack (standard) straight lead tape & reel crimped lead tape & reel crimped & trimmed lead bulk pack under- crimp lead tape & reel v130 la2p v130 ls2p v130 lt 2p v130 lc2p v130 lu2p standard model order as v130la20ap v130la20ap x10 x1347: hi-temperature phenolic coating option -- phenolic coated la series devices are available with improved maximum operating maximum temperature of 125c. to order, add x1347 to end of part number (example: v230la20apx1347). for additional information please refer to the section labeled "phenolic coating option" on the third page of this document under the "electrical characteristics" table. crimped leads are standard on la series varistors supplied in tape and reel, denoted with "lt." for crimped leads without trimming and any varitions other than that described above, please contact littelfuse. for standard parts, use the base part designator only. for parts with non-standard options (such as additional form, packaging and lead space options), use base part + option code. option code items are subject to availability and minimum order requirements. please contact a littelfuse products representative for additional information or questions base part codes: option codes: standard model order as v130la20ap v130la20ap x2855 x10: 10mm lead spacing option -- for 10 (-/+1) mm lead spacing (available on 20mm diameter models only), append standard model base part number with "x10." example: x2855: nickel barrier coated wire option -- all standard parts use tinned copper clad steel wire. nickel barrier coated wire is available as an option, consisting of copper wire with a ? ashing of nickel followed by a top coating of tin. to order append standard model base part number with "x2855." example: littelfuse la series varistors are shipped standard in bulk pack with straight leads and lead spacing outlined in the package dimensions section of this data sheet. contact your littelfuse sales representative to discuss non-standard options. varistor products radial lead varistors > la series la series

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