2381 66. 5...1/ptccl..h....be vishay bccomponents document number: 29085 for technical questions, contact: nlr@vishay.com www.vishay.com revision: 29-jul-09 15 30 v to 60 v ptc thermistors for overload protection features ? wide range of trip and non-trip currents: from 94 ma up to 2 a for the trip current ? small ratio between trip and non-trip currents (i t /i nt = 1.5 at 25 c) ? high maximum overload current (up to 23 a) ? leaded parts withstand mechanical stresses and vibration ? ul file e148885 according to xgpu standard ul1434 ? ul approved ptcs are guaranteed to withstand severe test programs ? long-life cycle tests (over 5000 trip cycles) ? long-life storage tests (3000 h at 250 c) ? electrical cycle tests at low ambient temperatures (- 40 c or 0 c) ? damp-heat and water immersion tests ? overvoltage tests at up to 200 % of rated voltage ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications over-temperature/over-load protection: ? telecommunications ? automotive systems ? industrial electronics ? consumer electronics ? electronic data processing description these directly heated thermistors have a positive temperature coefficient and are primarily intended for overload protection. they cons ist of a naked disk with two tinned brass or copper clad steel leads and are coated with a high temperature silicone ul 94 v-0 coating. leadless disks and leaded disks without coating are available on request. mounting the ptc thermistors are suitable for processing on automatic insertion equipment. typical soldering 235 c; duration: 5 s (pb-bearing) 245 c, duration: 5 s (lead (pb)-free) resistance to soldering heat 260 c, duration: 10 s max. marking only the grey lacquered t hermistors with a diameter of 8.5 mm to 20.5 mm are marked with bc, r 25 value (example 1r9) on one side and i nt , v max. on the other side. quick reference data parameter value unit maximum voltage (dc or ac) 30 to 60 v holding current 0.094 to 2 a resistance at 25 c ( r 25 ) 0.3 to 50 i max. 0.8 to 23 a switch temperature 140 c operating temperature range at max. voltage - 40 to + 85 c climatic category 40/125/56
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29085 16 revision: 29-jul-09 2381 66. 5...1/ptccl..h....be vishay bccomponents 30 v to 60 v ptc thermistors for overload protection notes (1) the thermistors are clamped at the seating plane. (2) i max. is the maximum overload current that may flow through the pt c when it passes from the low ohmic to the high ohmic state. ul approval: i max. x 0.85 notes ? for bulk parts replace x by ?5? and y by ?b? ? for taped on reel parts replac e it x by ?6? and y by ?t? current deviation as a function of the ambient temperature electrical data and ordering information for 2381 66. 5...1; max. voltage = 30 v to 60 v (ac or dc) (1) i nt max. at 25 c (ma) i t min. at 25 c (ma) r 25 20 % ( ) v max. (v) i max. (2) at 25 c (ma) i res max. at v max. and 25 c (ma) dissip. factor (mw/k) ? d max. (mm) catalog numbers bulk tape on reel 94 145 50 60 800 22 6.9 5 2381 660 59491 2381 660 69491 130 195 25 60 1200 25 6.9 5 2381 660 51311 2381 660 61311 180 270 13 30 1700 45 6.9 5 2381 660 51811 2381 660 61811 270 405 6 30 2500 60 6.9 5 2381 660 52711 2381 660 62711 320 480 5 30 3500 62 7.8 7 2381 661 53211 2381 661 63211 410 615 3 30 4500 65 7.8 7 2381 661 54111 2381 661 64111 470 705 2.5 30 5000 70 8.8 8.5 2381 661 54711 2322 661 64711 540 810 1.9 30 6000 75 8.8 8.5 2381 661 55411 2381 661 65411 610 915 1.7 30 7000 80 9.9 10.5 2381 662 56111 2381 662 66111 700 1050 1.3 30 8000 90 9.9 10.5 2381 662 57011 2381 662 67011 830 1245 1.1 30 10 000 100 11.5 12.5 2381 662 58311 2381 662 68311 920 1380 0.9 30 11 000 105 11.5 12.5 2381 662 59211 2381 662 69211 1170 1755 0.7 30 13 500 140 14.5 16.5 2381 663 51121 - 1390 2085 0.5 30 16 000 170 14.5 16.5 2381 663 51321 - 1770 2655 0.4 30 20 000 200 18.7 20.5 2381 664 51721 - 2050 3075 0.3 30 23 000 220 18.7 20.5 2381 664 52021 - sap and 12nc part numbers 12nc sap coding 12nc sap coding 2381 660 x9491 ptccl05h940eye 2381 662 x6111 ptccl11h611dye 2381 660 x1311 ptccl05h131eye 2381 662 x7011 ptccl11h701dye 2381 660 x1811 ptccl05h181dye 2381 662 x8311 ptccl13h831dye 2381 660 x2711 ptccl05h271dye 2381 662 x9211 ptccl13h921dye 2381 661 x3211 ptccl07h321dye 2381 663 51121 ptccl17h112dbe 2381 661 x4111 ptccl07h411dye 2381 663 51321 ptccl17h132dbe 2381 661 x4711 ptccl09h471dye 2381 664 51721 ptccl21h172dbe 2381 661 x5411 ptccl09h541dye 2381 664 52021 ptccl21h202dbe 250 200 50 150 100 0 % - 50 - 25 0 25 50 75 100 t am b (c) i nt i max i t
2381 66. 5...1/ptccl..h....be 30 v to 60 v ptc thermistors for overload protection vishay bccomponents document number: 29085 for technical questions, contact: nlr@vishay.com www.vishay.com revision: 29-jul-09 17 voltage derating as a function of ambient temperature electrical characteristics i max. as a function of voltage i max. as stated in the electrical data and ordering information tables, is the maximum overload current that may flow through the ptc when passing from the low ohmic to high ohmic state at rated voltage. when other voltages are pres ent after tripping, the i max. value can be derived from the above i max. as a function of voltage graph. voltages below v rated will allow higher overload currents to pass the ptc. typical trip-time as a function of trip current ratio trip-time or sw itching time (t s ) to check the trip-time for a specific ptc, refer to the elec trical data and ordering information tables for the value i nt . divide the overload or trip current by this i nt and you realize the factor i t /i nt . this rule is valid for any ambient temperature between 0 c and 70 c. adapt the correct non-trip current with the appropriate curve in the current deviation as a function of the ambient temperature graph. the relationship between the i t /i nt factor and the switching time is a function of the pt c diameter; see the above graphs. example what will be the trip-time at i ol =3aandt amb = 0 c of a thermistor type 2381 661 54711; 2.5 ; ? d max. = 8.5 mm: i nt from the table: 470 ma at 25 c i nt : 470 x 1.12 = 526 ma (at 0 c). overload current = 3 a; factor i t /i nt : 3 / 0.526 = 5.70. in the typical trip-time as a function of trip current ratio graph, at the 8.5 mm line and i t /i nt = 5.70, the typical trip-time is 1.7 s. 120 100 40 8 0 60 0 - 25 - 50 0 25 50 75 200 t am b (c) 20 100 125 150 175 v max. ( % ) 100 120 150 200 100 150 8 0 i max ( % ) 70 50 40 0 v rated ( % ) 10 2 10 1 10 -1 t s 12 4 6 8 10 12 14 16 i t /i nt (7) (5) (6) (3) (4) (1) (2) curve 1: ? d max. = 20.5 mm curve 2: ? d max. = 16.5 mm curve 3: ? d max. = 12.5 mm curve 4: ? d max. = 10.5 mm curve 5: ? d max. =8.5mm curve 6: ? d max. =7.0mm curve 7: ? d max. =5.0mm measured in accordance with ?iec 60738? .
www.vishay.com for technical questions, contact: nlr@vishay.com document number: 29085 18 revision: 29-jul-09 2381 66. 5...1/ptccl..h....be vishay bccomponents 30 v to 60 v ptc thermistors for overload protection ptc thermistors in bulk ptc thermistors on tape on reel components outline code number 2381 spq outline 660 5...1 500 fig. 1a 6...1 1500 fig. 1b 661 5...1 250 fig. 1a 6...1 1500 fig. 1b 662 5...1 250 fig. 1a 66111 to 67011 1500 fig. 1b 68311 to 69211 750 fig. 1b 663 5...1 200 fig. 1a 664 5...1 100 fig. 1a l1 h3 dt h2 f d fig. 1a dimensions of bulk type ptc?s (in mm) d see table d 0.6 10 % t 4.0 max. h2 4.0 1.0 h3 d + 5 max. l1 20 min. f5.0 l d p0 p1 f d0 w0 w2 w1 w p t1 t h1 h0 p p d t h2 h3 h h fig. 1b tape and reel according to iec 60286-2 dimensions in millimeters symbol parameter dimensions tolerance d body diameter see table max. d lead diameter 0.6 10 % p pitch of components diameter < 12 mm diameter 12 mm 12.7 25.4 1.0 2.0 p 0 feedhole pitch 12.7 0.3 f leadcenter to leadcenter distance (between component and tape) 5.0 + 0.6 - 0.1 h0 lead wire clinch height 16.0 0.5 h2 component bottom to seating plane 4.0 1.0 h3 component top to seating plane d + 5 max. t total thinkness 4.0 max.
2381 66. 5...1/ptccl..h....be 30 v to 60 v ptc thermistors for overload protection vishay bccomponents document number: 29085 for technical questions, contact: nlr@vishay.com www.vishay.com revision: 29-jul-09 19 10 5 10 6 25 50 75 100 125 150 175 200 225 temperat u re [c] resistance [ ] 10 4 23 8 1 660 59491 ptccl05h940ebe 0 250 23 8 1 660 51311 ptccl05h131ebe 23 8 1 660 51 8 11 ptccl05h1 8 1dbe 23 8 1 660 52711 ptccl05h271dbe 10 3 10 10 2 1 typical resistance/temperature characteristic typical resistance/temperature characteristic 10 3 10 5 25 50 75 100 125 150 175 200 225 temperat u re [c] resistance [ ] 10 4 23 8 1 661 53211 ptccl07h321dbe 0 250 23 8 1 661 55411 ptccl0 8 h541dbe 23 8 1 661 54111 ptccl07h411dbe 23 8 1 661 54711 ptccl09h471dbe 1 10 10 2 typical resistance/temperature characteristic 25 50 75 100 125 150 175 200 225 temperat u re [c] resistance [ ] 23 8 1 662 56111 ptccl11h611dbe 0 250 23 8 1 662 59211 ptccl13h921dbe 23 8 1 662 57011 ptccl11h701dbe 23 8 1 662 5 8 311 ptccl13h931dbe 10 4 10 3 10 -1 1 10 10 2 typical resistance/temperature characteristic 25 50 75 100 125 150 175 200 225 temperat u re [c] resistance [ ] 23 8 1 663 51121 ptccl17h112dbe 0 250 23 8 1 664 52021 ptccl21h202dbe 10 4 10 3 23 8 1 663 51321 ptccl17h132dbe 23 8 1 664 51721 ptccl21h172dbe 10 -1 1 10 10 2
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