shanghai semitech semiconductor co., ltd sm8s10~~sm8s40a surface mount transient voltage suppressors features ? surface mount package. ? excellent clamping capability. ? glass passivated junction. ? fast response time: less t han 1 ns for uni-direction, from 0 volts to bv min ? plastic material has ul flammability classification 94v-o ? rohs compliant in lead-free versions mechanical characteristics case: sod-block molded plastic ov er glass passivated junction. polarity:.heatsink is anode. maximum ratings and characteristics @ 25c ambient temperature (unless otherwise noted) parameter symbol value units peak pulse power dissipation on 10/1000us waveform (note 1, fig.1) p ppm 6600 w peak forward surge current, 8.3ms si ngle half sine-wave superimposed on rated load, (jedec method) (note 2. 3) i fsm 700 amps operating junction temperature range t j -55 to 150 c storage temperature range t stg -55 to 150 c notes: 1. non-repetitive current pulse, per fig.1 and derated above t a =25c per fig.2. 2. mounted on 5.0mm 2 (0.03mm thick) copper pads to each terminal. 3. 8.3 ms single half sine-wave, or equivalent square wave, duty cycle=4 pluses per minute maximum. www.semitech.cn
sm8s10~~sm8s40a electrical specification @ tamb 25c type number reverse stand-off voltage breakdown voltage min. @i t breakdown voltage max. @ i t test current maximum clamping voltage @i pp peak pulse current reverse leakage @v rmw (uni) v rmw (v) v br min (v) v br max (v) i t (ma) v c (v) i pp (a) i r (ua) sm8s10 10 11.1 14.1 5.0 18.8 351 15.0 sm8s10a 10 11.1 12.8 5.0 17.0 388 15.0 sm8s11 11 12.2 15.4 5.0 20.1 328 10.0 sm8s11a 11 12.2 14.0 5.0 18.2 363 10.0 sm8s12 12 13.3 16.9 5.0 22.0 300 10.0 sm8s12a 12 13.3 15.3 5.0 19.9 332 10.0 sm8s13 13 14.4 18.2 5.0 23.8 277 10.0 sm8s13a 13 14.4 16.5 5.0 21.5 307 10.0 sm8s14 14 15.6 19.8 5.0 25.8 256 10.0 sm8s14a 14 15.6 17.9 5.0 23.2 284 10.0 sm8s15 15 16.7 21.1 5.0 26.9 245 10.0 sm8s15a 15 16.7 19.2 5.0 24.4 270 10.0 sm8s16 16 17.8 22.6 5.0 28.8 229 10.0 sm8s16a 16 17.8 20.5 5.0 26.0 254 10.0 sm8s17 17 18.9 23.9 5.0 30.5 216 10.0 sm8s17a 17 18.9 21.7 5.0 27.6 239 10.0 sm8s18 18 20.0 25.3 5.0 32.2 205 10.0 sm8s18a 18 20.0 23.3 5.0 29.2 226 10.0 sm8s20 20 22.2 28.1 5.0 35.8 184 10.0 sm8s20a 20 22.2 25.5 5.0 32.4 204 10.0 sm8s22 22 24.4 30.9 5.0 39.4 168 10.0 sm8s22a 22 24.4 28.0 5.0 35.5 186 10.0 sm8s24 24 26.7 33.8 5.0 43.0 153 10.0 sm8s24a 24 26.7 30.7 5.0 38.9 170 10.0 sm8s26 26 28.9 36.6 5.0 46.6 142 10.0 sm8s26a 26 28.9 33.2 5.0 42.1 157 10.0 sm8s28 28 31.1 39.4 5.0 50.0 132 10.0 sm8s28a 28 31.1 35.8 5.0 45.4 145 10.0 SM8S30 30 33.3 42.2 5.0 53.5 123 10.0 SM8S30a 30 33.3 38.3 5.0 48.4 136 10.0 sm8s33 33 36.7 46.5 5.0 59.0 112 10.0 sm8s33a 33 36.7 42.2 5.0 53.3 124 10.0 sm8s36 36 40.0 50.7 5.0 64.3 103 10.0 sm8s36a 36 40.0 46.0 5.0 58.1 114 10.0 sm8s40 40 44.4 56.3 5.0 71.4 92.4 10.0 sm8s40a 40 44.4 51.1 5.0 64.5 102 10.0 www.semitech.cn
sm8s10~~sm8s40a ratings and characteristic curves t a =25c unless otherwise noted www.semitech.cn
sm8s10~~sm8s40a package outline dimensions and pad layouts smd-block (mm) www.semitech.cn
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