chip inductors for critical applications st312rag 0603 chip inductors higher q and lower dcr than other 0603 inductors highest srf values C as high as 16 ghz excellent current handling capability C up to 1500 ma 43 inductance values from 1.8 to 150 nh core material ceramic terminations silver-palladium-platinum-glass frit. other termina - tions available at additional cost. ambient temperature C40c to +125c with i rms current, +125c to +140c with derated current storage temperature component: C55c to +125c. tape and reel packaging: C55c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles temperature coeffcient of inductance (tcl) +25 to +125 ppm/c moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) packaging 2000 per 7 reel paper tape: 8 mm wide, 1 mm thick, 4 mm pocket spacing typical q vs frequency typical l vs frequency a b c max min C max max d e f g h i j 0.069 0.034 C 0.043 0.034 0.015 0.029 0.013 0.038 0.040 0.027 0.028 inches 1,75 0,86 C 1,09 0,86 0,38 0,74 0,33 0,96 1,02 0,69 0,71 mm current derating note: dimensions are before optional solder application. for maximum overall dimensions including solder, add 0.0025 in / 0,064 mm to b and 0.006 in / 0,15 mm to a and c. a b ov erall c d i i j f f g h e ter minal te r minal wraparound: appro x 0.01/0,24 both ends suggested land p attern -40 -55 -20 02 04 06 08 0 100 160 140 120 ambient temperature (c) pe r cent of rated rms i 120 110 100 90 80 70 60 50 40 30 20 10 0 25c 1 10 100 1000 10 100 10000 1000 inductance (nh) frequency (mhz) 10 nh 150 nh 24 nh 51 nh 82 nh 0 20 40 60 80 100 120 140 160 10 100 10000 1000 q f actor frequency (mhz) 10 nh 150 nh 24 nh 51 nh 82 nh document st537-1 revised 11/06/12 ? ? coilcraft, inc. 2012 1102 silv er lak e road car y, il 60013 phone 800-981-0363 fa x 847-639-1508 email c ps@coilcraft.com www . coilcraft-cps . com this pr oduct may not be used in medical or hig h risk applications without prior coilcraft appr oval. specifications subject to change without notice. please check our web site for latest infor mation.
st312rag series (0603) 0603 chip inductors document st537-2 revised 11/06/12 l test q min 3 srf dcr inductance 2 percent freq at 900 mhz 1.7 ghz min 4 max 5 i max color part number 1 (nh) tolerance (mhz) 250 mhz l typ q typ 3 l typ q typ 3 (ghz) (ohms) (ma) code st312rag1n8jlz 1.8 5 250 17 1.77 40 1.77 65 >5.00 0.035 800 black st312rag3n3_lz 3.3 5,2 250 35 3.28 67 3.32 104 >5.00 0.030 800 blue st312rag3n6_lz 3.6 5,2 250 32 3.59 70 3.62 116 >5.00 0.033 800 red st312rag3n9_lz 3.9 5,2 250 33 3.88 68 3.95 108 >5.00 0.045 800 brown st312rag4n3_lz 4.3 5,2 250 28 4.29 58 4.31 91 >5.00 0.080 710 orange st312rag4n7_lz 4.7 5,2 250 22 4.65 48 4.71 75 >5.00 0.100 720 violet st312rag5n1_lz 5.1 5,2,1 250 38 5.08 84 5.12 140 >5.00 0.042 800 green st312rag5n6_lz 5.6 5,2,1 250 43 5.6 87 5.73 145 >5.00 0.042 800 black st312rag6n0_lz 6.0 5,2,1 250 40 5.92 94 6.12 154 4.80 0.053 800 white st312rag6n8_lz 6.8 5,2,1 250 34 6.83 88 7.05 143 4.64 0.050 800 red st312rag7n2_lz 7.2 5,2,1 250 36 7.25 96 7.38 139 4.32 0.080 800 green st312rag7n5_lz 7.5 5,2,1 250 32 7.55 81 7.85 112 4.24 0.100 800 brown st312rag8n2_lz 8.2 5,2,1 250 37 8.21 96 8.39 148 4.72 0.054 800 orange st312rag8n7_lz 8.7 5,2,1 250 33 8.73 97 9.00 149 4.40 0.054 800 yellow st312rag9n1_lz 9.1 5,2,1 250 38 9.18 76 9.64 109 4.08 0.054 800 black st312rag9n5_lz 9.5 5,2,1 250 40 9.56 98 9.99 149 3.92 0.053 800 blue st312rag10n_lz 10 5,2,1 250 38 10.16 90 10.64 142 3.44 0.054 800 orange st312rag11n_lz 11 5,2,1 250 36 11.06 78 11.82 108 3.28 0.075 800 gray st312rag12n_lz 12 5,2,1 250 32 12.26 69 13.20 91 3.28 0.110 750 yellow st312rag15n_lz 15 5,2,1 250 36 15.41 83 17.20 124 2.88 0.085 800 green st312rag16n_lz 16 5,2,1 250 32 16.37 77 18.70 116 2.80 0.095 790 white st312rag18n_lz 18 5,2,1 250 34 18.56 76 20.90 100 2.64 0.075 800 blue st312rag22n_lz 22 5,2,1 250 30 22.7 77 25.90 88 2.52 0.140 600 violet st312rag23n_lz 23 5,2,1 250 36 24.0 69 29.53 80 2.40 0.195 560 orange st312rag24n_lz 24 5,2,1 250 43 24.9 77 28.9 91 2.36 0.085 800 black st312rag27n_lz 27 5,2,1 250 34 28.4 74 34.0 84 2.24 0.150 620 gray st312rag30n_lz 30 5,2,1 250 40 31.5 82 37.9 82 2.24 0.130 720 brown st312rag33n_lz 33 5,2,1 250 38 34.9 76 42.9 80 2.16 0.170 560 white st312rag36n_lz 36 5,2,1 250 36 38.5 69 50.0 64 2.00 0.225 480 red st312rag39n_lz 39 5,2,1 250 38 41.5 78 51.9 74 1.96 0.190 540 black st312rag43n_lz 43 5,2,1 250 36 45.7 83 58.1 76 1.96 0.170 630 orange st312rag47n_lz 47 5,2,1 200 39 50.6 77 66.9 72 1.84 0.270 440 brown st312rag51n_lz 51 5,2,1 200 37 54.6 73 71.3 62 1.84 0.280 440 blue st312rag56n_lz 56 5,2,1 200 36 60.3 74 79.9 56 1.76 0.30 420 red st312rag68n_lz 68 5,2,1 200 37 75.5 73 113.3 49 1.60 0.33 400 orange st312rag72n_lz 72 5,2,1 150 36 80.8 69 1.52 0.42 380 yellow st312rag75n_lz 75 5,2,1 150 36 84.6 71 1.52 0.52 340 violet st312rag82n_lz 82 5,2,1 150 36 94.0 62 1.44 0.46 350 green st312rag91n_lz 91 5,2,1 150 36 103.0 64 1.32 0.58 310 white st312ragr10_lz 100 5,2,1 150 36 114.0 69 1.36 0.54 340 blue st312ragr11_lz 110 5,2,1 150 35 126.2 63 1.28 0.58 310 violet st312ragr12_lz 120 5,2,1 150 36 142.4 61 1.24 0.72 280 gray st312ragr15_lz 150 5,2,1 150 36 188.8 57 1.08 0.82 260 white 1. when ordering, specify tolerance, termination and testing codes: st312ragr39 glz tolerance: f = 1% g = 2% j = 5% termination: l = rohs compliant silver-palladium-platinum-glass frit. special order: s = tin-lead (63/37) over silver-palladium-platinum- glass frit. t = tin-silver-copper (95.5/4/0.5) over silver-palladium- platinum-glass frit. testing: z = cots h = screening per coilcraft cp-sa-10001 2. inductance measured at 250 mhz using a coilcraft smd-a test fxture and coilcraft-provided correlation pieces with an agilent/hp 4286a impedance analyzer or equivalent. 3. q measured using an agilent/hp 4291a with an agilent/hp 16197a test fxture or equivalents. 4. srf measured using an agilent/hp 8753es network analyzer or equivalent and a coilcraft ccf1232 test fxture. 5. dcr measured on a keithley 580 micro-ohmmeter or equivalent and a coilcraft ccf1010 test fxture. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. ? ? coilcraft, inc. 2012 1102 silv er lak e road car y, il 60013 phone 800-981-0363 fa x 847-639-1508 email c ps@coilcraft.com www . coilcraft-cps . com this pr oduct may not be used in medical or hig h risk applications without prior coilcraft appr oval. specifications subject to change without notice. please check our web site for latest infor mation.
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