s1a-S1M s1a-S1M, rev. a s1a - S1M 1.0 ampere general purpose rectifiers absolute maximum ratings* t a = 25c unless otherwise noted * these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. ** device mounted on fr-4 pcb 0.013 mm. electrical characteristics t a = 25c unless otherwise noted ? 1998 fairchild semiconductor corporation features ? low profile package. ? glass passivated junction. sma/do-214ac color band denotes cathode symbol parameter value units i o average rectified current @ t a = 100 c 1.0 a i f(surge) peak forward surge current 8.3 ms single half-sine-wave superimposed on rated load (jedec method) 40 a p d total device dissipation derate above 25 c 1.4 11 w mw/ c r q ja thermal resistance, junction to ambient ** 85 c/w t stg storage temperature range -55 to +150 c t j operating junction temperature -55 to +150 c parameter device units 1a 1b 1d 1g 1j 1k 1m peak repetitive reverse voltage 50 100 200 400 600 800 1000 v maximum rms voltage 35 70 140 280 420 560 700 v dc reverse voltage (rated v r ) 50 100 200 400 600 800 1000 v maximum reverse current @ rated v r t a = 25 c t a = 125 c 1.0 50 m a m a maximum forward voltage @ 1.0 a 1.1 v maximum reverse recovery time i f = 0.5 a, i r = 1.0 a, i rr = 0.25 a 1.8 m s typical junction capacitance v r = 4.0 v, f = 1.0 mhz 12 pf 2 1 0.208 (5.283) 0.188 (4.775) 0.181 (4.597) 0.157 (3.988) 0.096 (2.438) 0.078 (1.981) 0.062 (1.575) 0.055 (1.397) 0.008 (0.203) 0.004 (0.102) 0.012 (0.305) 0.006 (0.152) 0.060 (1.524) 0.030 (0.762) 0.114 (2.896) 0.098 (2.489) discrete power & signal technologies
s1a-S1M s1a-S1M, rev. a general purpose rectifiers (continued) typical characteristics forward current derating curve 0 25 50 75 100 125 150 175 0 1 2 lead temperature ( c) forward current (a) o single phase half wave 60hz resistive or inductive load p.c.b. mounted on 0.315x0.315" (8.0x8.0mm) copper pad areas junction capacitance 0.01 0.1 1 10 100 1 5 10 50 100 reverse voltage (v) capacitance (pf) t = 25 c o j f = 1.0 mhz vsig = 50mv p-p thermal impedance 0.01 0.1 1 10 100 1 5 10 50 100 pulse duration (sec.) thermal impedance ( c/w) units mounted on 20"x 20"(5.4mm )+0.5mil inches(0.013mm) thick copper land areas o 2 non-repetitive surge current 12 51020 50100 0 5 10 15 20 25 30 number of cycles at 60hz forward surge current (a) 8 .3ms sin gle half sine- wav e jedec method forward characteristics 0.6 0.8 1 1.2 1.4 1.6 1.8 0.01 0.1 1 10 100 forward voltage (v) forward current (a) reverse characteristics 0 20406080100120140 0.001 0.01 0.1 1 10 100 reverse voltage (v) reverse current ( a) t = 125 c o j t = 75 c o j t = 25 c o j m
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