solid state devices, inc. 14830 valley view blvd * la mirada, ca 90638 phone: (562) 404-7855 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com designer?s data sheet features: ? hermetically sealed in glass ? high peak transient power 500 w ? can be used as a 5 w zener ? available in axial, surface mount, and ministud configurations ? tx, txv, and space level screening available ? higher voltages available part number / ordering information 1 / st500 a 9.6 sms tx screening 2 / __ = not screened tx = tx level txv = txv level s = s level package: 3 / = axial sms = square tab v = isolated ministud c = ministud voltage: 9.6 = 9.6v tolerance a = 10% b = 5 % note: all specifications are subject to change without notification. scd's for these devices should be re viewed by ssdi prior to release. maximum ratings symbol value units peak pulse power dissipation with a 10/1000 s waveform p ppm 500 w steady state power dissipation axial lead : t l =25oc, l=3/8" sms & ministud: t c or t e = 75 oc p d 5.0 w operating and storage temp. t op & t stg -65 to +175 oc maximum forward voltage drop i f = 1.0 apk, t a = 25 oc, pulsed v f 1.2 v thermal resistance, junction to lead l=3/8? jl 25 oc/w thermal resistance, junction to end cap junction to case r je r jc 8 oc/w st500a7.5 thru st500a270 500 w transient voltage suppressor 7.5 ? 510 volts axial dim min max a ?? 0.178? b ?? 0.200? c 0.047? 0.053? d 1.0? ?? sms dim min max a 0.172" 0.180? b ?? 0.250? c 0.023? 0.027? d 0.002? ?? isolated ministud ministud data sheet #: t00023b doc
notes: 1 consult factory for parts ordering information 2 screening levels per mil-pr f-19500, x-ray shall be performe d in lieu of precap inspection 3 consult factory for package outline 4 pulsed @ 300 s nominal, other pulse widths will provide different results due to self heating solid state devices, inc. 14830 valley view blvd * la mirada, ca 90638 phone: (562) 404-7855 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com st500a7.5 thru st500a270 electrical character istics @ 25 oc nominal zener voltage zener test current typical impedance 10% ac modulation maximum reverse current @ standoff voltage typical temperature coefficient maximum clamping voltage 10 / 1000 s waveform v z @ i zt 4/ i zt z z @ i zt i r @ v r standoff voltage tc @ i zt vcl @ icl icl nom a b ma ohms a v % / c v amps 7.5 8.2 9.1 10 11 10% 5% 175 150 150 125 125 0.7 0.8 0.9 1.0 1.1 3000 2400 100 40 30 6.2 6.8 7.5 8.2 9.1 0.07 0.08 0.08 0.09 0.10 11.3 12.3 13.3 14.8 15.7 44.2 40.6 37.6 34.0 31.8 12 13 15 16 18 10% 5% 100 100 75 75 65 1.1 1.2 1.2 1.3 1.3 20 10 10 10 10 10 11 12 13 15 0.10 0.10 0.10 0.11 0.11 17.0 18.9 20.9 22.9 25.6 29.4 26.4 23.9 21.8 19.5 20 22 24 27 30 10% 5% 65 50 50 50 40 1.5 1.6 1.8 2.5 4.0 10 10 10 10 10 16 18 20 22 24 0.11 0.11 0.11 0.11 0.11 28.4 31.0 33.8 38.1 42.2 17.6 16.1 14.8 13.1 11.8 33 36 39 43 47 10% 5% 40 30 30 35 25 5.0 6.0 7.0 10 12 10 10 10 10 10 27 30 33 36 39 0.11 0.11 0.11 0.12 0.12 46.2 50.1 54.1 60.7 65.5 10.8 10.0 9.2 8.2 7.6 51 56 62 68 75 10% 5% 25 20 20 20 20 14 18 20 22 25 10 10 10 10 10 43 47 51 56 62 0.12 0.12 0.13 0.13 0.13 70.8 78.6 86.5 94.4 103.5 7.0 6.3 5.8 5.3 4.8 82 91 100 110 120 10% 5% 15 15 12 12 10 30 40 45 65 90 10 10 10 10 10 68 75 82 91 100 0.13 0.13 0.13 0.13 0.13 114 126 139 152 167 4.3 3.9 3.6 3.3 3.0 130 150 160 180 200 10% 5% 10 8.0 8.0 5.0 5.0 100 150 180 210 250 10 10 10 10 10 110 120 130 150 160 0.13 0.13 0.13 0.13 0.13 185 204 224 249 276 2.7 2,4 2.2 2.0 1.8 220 240 270 10% 5% 5.0 5.0 5.0 350 450 600 10 10 10 180 200 220 0.13 0.13 0.13 305 336 380 1.6 1.5 1.3 note: all specifications are subject to change without notification. scd's for these devices should be re viewed by ssdi prior to release. data sheet #: t00023b doc
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