surface mount automotive transient voltage suppressors sm8s10a/ca - sm8s43a/ca power: 6600wa t t s voltage range: 10- 43v 1 of 3 peak pulse power dissipation with 10/1000 10/10,000 s waveform p ppm 5200 w d 8.0 w peak pulse current with a 10/1000 s waveform (1) i ppm see table 1 a fsm 700 a jc 0.90 ?/w j , t stg -55 to +175 ? notes: (1) non-repetitive current pulse derated above t a =25? 0.093(2.4) 0.116(3.0) 0.059(1.5) 0.098(2.5) 0.098(2.5) 0.138(3.5) 0.366(9.3) 0.343(8.7) 0.406(10.3) 0.382(9.7) 0.342(8.7) 0.327(8.3) 0.413(10.5) 0.374(9.5) 0.539(13.7) 0.524(13.3) lead 2/metal heatsink 0.020(0.5) 0.028(0.7) 0.016 (0.4) min. 0.197(5.0) 0.185(4.7) lead 1 0.628(16.0) 0.592(15.0) flammability classification 94v-0 resistance for maximum heat dissipation 260? for 10 seconds at terminals plated, solderable per mil-std-750, method 2026 heatsink is anode any do-218ab dimensions in inches and (millimeters) features mechanical data www.sunmate.tw ! ! ! ! ! plastic package has underwriters laboratory ideally suited for load dump protection high temperature stability due to unique oxide passiva- ! tion and patented par construction integrally molded heatsink provides a very low thermal low leakage current at t j = 175? ! ! high temperature soldering guaranteed: ! ! low forward voltage drop maximum ratings @ t a = 25c unless otherwise specified s waveform 6600 peak forward surge current, 8.3ms single half sine-wave i typical thermal resistance junction to case r operating junction and storage temperature range t steady state power dissipation p symbol v alue unit characteristic case: integrally mounted in the encapsulation terminals: polarity: mounting position: ! do-218ab
2 of 3 sm8s18a 20.0 22.1 5.0 18 10 150 226 29.2 est current v (br) i t wm at v wm at 10/1000 ppm wm i d tc = 175 o c min. max. (ma) (v) ( a) i d ( sm8s12a 13.3 14.7 5.0 12 10 150 332 19.9 sm8s13 14.4 17.6 5.0 13 10 150 277 23.8 sm8s13a 14.4 15.9 5.0 13 10 150 307 21.5 sm8s14 15.6 19.1 5.0 14 10 150 256 25.8 sm8s14a 15.6 17.2 5.0 14 10 150 284 23.2 sm8s15 16.7 20.4 5.0 15 10 150 245 26.9 sm8s15a 16.7 18.5 5.0 15 10 150 270 24.4 sm8s16 17.8 21.8 5.0 16 10 150 229 28.8 sm8s16a 17.8 19.7 5.0 16 10 150 254 26.0 sm8s17 18.9 23.1 5.0 17 10 150 216 30.5 sm8s17a 18.9 20.9 5.0 17 10 150 239 27.6 sm8s18 20.0 24.4 5.0 18 10 150 205 32.2 sm8s20 22.2 27.1 5.0 20 10 150 184 35.8 sm8s20a 22.2 24.5 5.0 20 10 150 204 32.4 sm8s22 24.4 29.8 5.0 22 10 150 168 39.4 sm8s22a 24.4 26.9 5.0 22 10 150 186 35.5 sm8s24 26.7 32.6 5.0 24 10 150 153 43.0 sm8s24a 26.7 29.5 5.0 24 10 150 170 38.9 sm8s26 28.9 35.3 5.0 26 10 150 142 46.6 sm8s26a 28.9 31.9 5.0 26 10 150 157 42.1 sm8s28 31.1 38.0 5.0 28 10 150 132 50.1 sm8s28a 31.1 34.4 5.0 28 10 150 145 45.4 SM8S30 33.3 40.7 5.0 30 10 150 123 53.5 SM8S30a 33.3 36.8 5.0 30 10 150 136 48.4 sm8s33 36.7 44.9 5.0 33 10 150 112 59.0 sm8s33a 36.7 40.6 5.0 33 10 150 124 53.3 sm8s36 40.0 48.9 5.0 36 10 150 103 64.3 sm8s36a 40.0 44.2 5.0 36 10 150 114 58.1 sm8s40 44.4 54.3 5.0 40 10 150 92.4 71.4 sm8s40a 44.4 49.1 5.0 40 10 150 102 64.5 sm8s43 47.8 58.4 5.0 43 10 150 86.0 76.7 sm8s43a 47.8 52.8 5.0 43 10 150 95.1 69.4 note: for all types maximum v f = 1.8v at i f = 100a measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum www.sunmate.tw type breakdown voltage t s i stand-off leakage leakage current voltage at (v) v voltage at v maximum maximum max. peak maximum reverse reverse pulse clamping c waveform v a) (a) (v) sm8s10 11.1 13.6 5.0 10 15 250 351 18.8 sm8s10a 11.1 12.3 5.0 10 15 250 388 17.0 sm8s11 12.2 14.9 5.0 11 10 150 328 20.1 sm8s11a 12.2 13.5 5.0 11 10 150 363 18.2 sm8s12 13.3 16.3 5.0 12 10 150 300 22.0
3 of 3 figure 4 - reverse power capability figure 2-load dumppowercharacteristics figure 1- power derating curve gure 3 -pulse waveform (10 msexponential waveform) figure 6 -typical junction capacitance gure 5 -typical transientthermal impedance www.sunmate.tw
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