s2a - S2M ? general purpose re ctifiers (glass passivated) ? 2011 fairchild semiconductor corporation www.fairchildsemi.com s2a - S2M rev. c1 1 august 2011 s2a - S2M general purpose rectifiers (glass passivated) features ? easy pick and place. ? low forward voltage drop. ? high current capability. ? high surge current capability. absolute maximum ratings* t a = 25c unless otherwise noted * these ratings are limiting values above which the servic eability of any semiconductor device may be impaired. thermal characteristics * device mounted on fr-4 pcb 0.013 mm. electrical characteristics t a = 25c unless otherwise noted symbol parameter value units 2a 2b 2d 2g 2j 2k 2m v rrm maximum repetitive reverse voltage 50 100 200 400 600 800 1000 v i f(av) average rectified forward current @ t a = 100 c 2.0 a i fsm non-repetitive peak forward surge current 8 . 3 m s s i n g l e h a l f - s i n e - wa v e 50 a t stg storage temperature range -65 to +150 c t j operating junction temperature -65 to +150 c symbol parameter value units p d power dissipation 2.35 w r ja thermal resistance, junction to ambient* 53 c/w symbol parameter value units 2a 2b 2d 2g 2j 2k 2m v f forward voltage @ 2.0a 1.15 v t rr reverse recovery time i f = 0.5a, i r = 1.0a, i rr = 0.25a 2.0 s i r reverse current @ rated v r t a = 25 c t a = 125 c 1.0 125 a a c t total capacitance v r = 4 . 0 v, f = 1 . 0 m h z 30 pf smb/do-214aa color band denotes cathode
s2a - S2M ? general purpose re ctifiers (glass passivated) ? 2011 fairchild semiconductor corporation www.fairchildsemi.com s2a - S2M rev. c1 2 typical performance characteristics figure 1. forward current derating curve figure 2. non-repetitive surge current figure 3. forward voltage characteristics figure 4. reverse current vs reverse voltage figure 5. total capacitance 0 25 50 75 100 125 150 175 0 0.5 1 1.5 2 ambient temperature [oc] average rectified forward current, i f [a] resistive or inductive load p.c.b. mounted 8.0 x 8.0 mm copper pad areas 12 51020 50100 0 10 20 30 40 50 number of cycles at 60hz peak forward surge current, i fsm [a] 0.4 0.6 0.8 1 1.2 1.4 1.6 0.01 0.1 1 10 forward voltage, v f [v] forward current, i f [a] pulse width = 300 s 2% duty cycle t = 25 c o a 0 20406080100120140 0.01 0.1 1 10 percent of rated peak reverse voltage [%] reverse current, i r [ua] t = 25 c o a t = 100 c o a t = 125 c o a 0.1 0.2 0.5 1 2 5 10 20 50 100 1 2 5 10 20 50 100 reverse voltage, v r [v] total capacitance, c t [pf]
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