solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com designer?s data sheet features: ? hermetically sealed in glass ? metallurgically bonded ? surface mount versions available ? ministud versions available ? solid silver leads for high power dissipation ? tx, txv, and space level screening available 2 / part number / ordering information 1 / st1.5 k a 9.1 sms tx screening 2 / __ = not screened tx = tx level txv = txv level s = s level package: = axial sms = square tab c = ministud v = isolated ministud voltage: 7.5 ? 270 = 7.5 ? 270v tolerance a = 10% b = 5 % note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. maximum ratings symbol value units stand off voltage v rwm 5.6-200 v peak pulse power @ 1.0msec p pp 1500 w steady state power dissipation p d 6 w forward surge current i fsm 150 a operating and storage temp. t op & t stg -65 to +175 oc note: ssdi?s transient suppressors offer standard breakdown voltage tolerances of 10%(a) and 5%(b). for other voltages and voltage tolerances, contact ssdi?s marketing department. st1.5ka7.5 thru st1.5ka270 1500 w transient voltage suppressors 7.5 ? 270 volts axial dim min max a 0.150? 0.170? b 0.175? 0.200? c 0.037? 0.043? d 1.0? ?? sms dim min max a 0.172" 0.180? b 0.220? 0.250? c 0.023? 0.027? d 0.005? ?? ministud (c) isolated ministud (v) *for reverse polarity (anode to stud) add suffix ?r? data sheet #: t00002b doc
notes: for optional high reliability screening or higher nominal voltages, consult ssdi marketing department. 1 / for ordering information, price, operating curves, and availability- contact factory. 2 / screening based on mil-prf-19500. screening flows available on request. 3 / all voltages are measured with an automated test set using a 35 msec test time. longer or shorter test times will have a corres ponding effect on the measured value due to heating effects. 4 / dynamic impedance is derived from the ac voltage divided by the ac current with rms value of 10% of dc test current superimpos ed on the test current. 5 / ratings based on 100c tab temperature (sms and c devices); multiply by 0.6 for l devices; multiply by 0.8 for v/w devices. 6 / pulse width (tp) is defined as the time from rated peak pulse current ipp to the point where peak pulse current decayed to 50% of rated ipp. (10 s x 1000 s waveform as defined by r.e.a.) solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com st1.5ka7.5 thru st1.5ka270 electrical characteristics breakdown 3 / maximum reverse standoff peak pulse clamping nominal voltage test current voltage reverse leakage current voltage (max.) @ current tp=1ms 6/ maximum continuous current 5/ dynamic impedance 4/ maximum temperature coefficient v br @i brt v rwm i r @ v rwm v c i pp i rm z br @ i brt tc @ 25c part number for 5% voltage tolerance specify ?b? in place of ?a? volts ma v a v a ma ohms %/c st1.5ka7.5 st1.5ka8.2 st1.5ka9.1 st1.5ka10 st1.5ka11 7.5 8.2 9.1 10 11 175 150 150 125 125 5.6 6.2 6.8 7.5 8.2 1500 1200 40 20 15 11.7 12.5 13.8 15.0 16.2 128 120 109 100 93 1250 1150 1020 950 860 0.7 0.8 0.9 1.0 1.1 .03 .03 .03 .05 .05 st1.5ka12 st1.5ka13 st1.5ka15 st1.5ka16 st1.5ka18 12 13 15 16 18 100 100 75 75 65 9.1 10 11 12 13 10 4 2 2 2 17.3 19.0 22.0 23.5 26.5 87 79 68 64 57 770 700 600 550 500 1.1 1.2 1.2 1.3 1.3 .05 .05 .05 .06 .06 st1.5ka20 st1.5ka22 st1.5ka24 st1.5ka27 st1.5ka30 20 22 24 27 30 65 50 50 50 40 15 16 18 20 22 2 2 2 2 2 29.0 31.9 34.7 38.5 42.9 52 47 43 39 35 440 390 360 310 280 1.5 1.6 1.8 2.5 4.0 .06 .06 .06 .06 .06 st1.5ka33 st1.5ka36 st1.5ka39 st1.5ka43 st1.5ka47 33 36 39 43 47 40 30 30 30 25 24 27 30 33 36 2 2 2 2 2 46.9 50.0 55.6 60.0 65.2 32 30 27 25 23 260 240 210 180 175 5.0 6.0 7.0 10 12 .06 .06 .06 .07 .07 st1.5ka51 st1.5ka56 st1.5ka62 st1.5ka68 st1.5ka75 51 56 62 68 75 25 20 20 20 20 39 43 47 51 56 2 2 2 2 2 71.4 78.9 88.2 93.7 107.1 21 19 17 16 14 170 160 150 130 120 14 18 20 22 25 .07 .07 .08 .08 .08 st1.5ka82 st1.5ka91 st1.5ka100 st1.5ka110 st1.5ka120 82 91 100 110 120 15 15 12 12 10 62 68 75 82 91 2 2 2 2 2 115.4 125.0 136.4 152.0 167.0 13 12 11 9.9 9.0 110 100 90 82 75 30 40 45 65 90 .08 .08 .09 .09 .09 st1.5ka130 st1.5ka150 st1.5ka160 st1.5ka180 st1.5ka200 130 150 160 180 200 10 8 8 5 5 100 110 120 130 150 2 2 2 2 2 185.0 204.0 224.0 249.0 276.0 8.1 7.2 6.6 6.0 5.4 69 60 56 50 45 100 150 180 210 250 .09 .09 .09 .09 .09 st1.5ka220 st1.5ka240 st1.5ka270 220 240 270 5 5 5 160 180 200 2 2 2 305.0 336.0 380.0 4.8 4.5 3.9 41 37 34 350 450 600 .09 .09 .09 note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: t00002b doc
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