technical specifica tion s of super f ast rectifier features * high reliability * low leakage * low forward voltage * high current capability * super fast switching speed * high surge capability * good for switching mode circuit maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. sf31 thru sf38 notes : 1. t est conditions: i f =0.5a, i r =1.0a, i rr =0.25a. 2. measured at 1 mh z and applied reverse voltage of 4.0 volts. dimensions in inches and (millimeters) mechanical data * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: mil-std-202e, method 208 guaranteed * mounting position: any * weight: 1.18 grams maximum recurrent peak reverse voltage maximum rms volts maximum dc blocking voltage maximum average forward current at t a = 55 o c peak forward surge current i fm (surge):8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 2) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms volts volts volts amps 3.0 125 50 -65 to + 150 amps pf 0 c units 30 at rated dc blocking voltage maximum reverse recovery time (note 1) v f i r trr 0.95 5.0 uamps nsec maximum dc reverse current maximum forward voltage at 3.0a dc volts @t a = 25 o c @t a =150 o c 1.25 300 35 vol t age range - 50 to 600 v olts current - 3.0 amperes 1.7 sf31 sf32 sf33 sf34 SF35 sf36 sf38 50 100 150 200 300 400 600 50 100 150 200 300 400 600 35 70 105 140 210 280 420 do-27 rectifier specialists r dc components co., l td. 44
r dc components co., l td. ra ting and characteristic cur ves ( sf31 thru sf38 ) 45
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