SS32-s310 SS32 - s310, rev. d features ? metal to silicon rectifiers, majority carrier conduction. ? low forward voltage drop. ? easy pick and place. ? high surge current capability. SS32 - s310 schottky rectifiers absolute maximum ratings* t a = 25c unless otherwise noted electrical characteristics t a = 25c unless otherwise noted ? 2001 fairchild semiconductor corporation smc/do-214ab color band denotes cathode * these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. symbol parameter device units 32 33 34 35 36 38 39 310 v f forward voltage @ 3.0 a 500 750 850 mv 0.5 ma i r reverse current @ rated v r t a = 25 c t a = 100 c 20 10 ma * device mounted on fr-4 pcb 0.55 x 0.55" (14 x 14 mm). symbol parameter value units 32 33 34 35 36 38 39 310 v rrm maximum repetitive reverse voltage 20 30 40 50 60 80 90 100 v i f(av) average rectified forward current, @ t a = 75c 3.0 a i fsm non-repetitive peak forward surge current 8.3 ms single half-sine-wave 100 a t stg storage temperature range -55 to +150 c t j operating junction temperature -55 to +150 c thermal characteristics symbol parameter value units p d power dissipation 2.27 w r ja thermal resistance, junction to ambient * 55 c/w r jl thermal resistance, junction to lead 17 c/w
SS32-s310 SS32 - s310, rev. d schottky rectifiers (continued) typical characteristics 0.01 0.1 1 10 100 0 . 1 1 10 100 p uls e d ur at ion [ s ] t ra n si en t t he r mal i mp ed an ce [ o c / w ] 12 51020 50100 0 20 40 60 80 100 number of cycles at 60hz peak forward surge current, i fsm [a] 0 2 5 5 0 7 5 1 00 1 2 5 1 50 1 7 5 0 1 2 3 a mb ie nt t emp era tu re [ o c ] average rectified forward current, i f [a] resistive or inductive load p.c.b. mounted on 0.55 x 0.55" (14 x 14) mm copper pad areas 0 0 . 2 0 . 4 0 . 6 0 . 8 1 1 . 2 1 . 4 1 . 6 0.01 0.1 1 10 50 forward voltage, v f [v] forward current, i f [a] pulse width = 300 ? s 2% duty cycle t = 25 c o a t = 150 c o a t = 125 c o a SS32-ss34 ss35-s310 0 20406080100120140 0.001 0.01 0.1 1 10 20 p er cen t of r ate d p ea k r e ver se v ol ta ge [ % ] reverse current, i r [ma] t = 25 c o a t = 75 c o a t = 125 c o a SS32-ss34 ss35-s310 ss35-s310 SS32-ss34 0 . 1 1 10 1 0 0 10 100 1000 reverse voltage, v r [v] total capacitance, c t [pf] SS32-ss34 ss35-s310 figure 1. forward current derating curve figure 2 . non-repetitive surge current f igure 3 . forward voltage characteristics figure 4. reverse current vs reverse voltage fi gur e 5. t ot al ca pac it an ce fi g ure 6 . thermal impedance characteristics
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