? ? 50 ---600v 3.0 a sf31 sf32 sf33 sf34 sf35 sf36 SF38 50 100 150 300 400 600 50 100 150 300 400 600 35 70 105 210 280 420 20 125 3.0 5.0 sf31...... SF38 35 1.3 0.95 200 200 140 siyu r ta= 25 ?? i f =0.5a i r =1.0a i rr =0.25a ? v r = 4.0v, f = 1mhz v a ns i r trr maximum reverse current type junction capacitance symbols unit max. reverse recovery time v f i f = 3.0a pf 95 ? maximum forward voltage c j ??? maximum repetitive peak reverse voltage ? maximum rms voltage ??? maximum dc blocking voltage ? maximum average forward rectified current ?? 8.3ms??? peak forward surge current 8.3 ms single half sine-wave typical thermal resistance o?? operating junction and storage temperature range -55 --- +150 v v v a a /w v rrm v rms v dc i f(av) i fsm tj, tstg ?? ta = 25 maximum ratings & thermal characteristics ratings at 25 ambient temperature unless otherwise specified. symbols unit plastic high-efficiency rectifiers reverse voltage 50 to 600v forward current 3.0a ta = 25 electrical characteristics ratings at 25 ambient temperature unless otherwise specified. r ja 1.0(25.4) min .375(9.5) .335(8.5) 1.0(25.4) min .220(5.6) .197(5.0) dia dia .052(1.3) .048(1.2) do-27 unit inch mm 1.7 dachang electronics sf31 sf32 sf33 sf34 sf35 sf36 SF38 100 ta=100 features ? low reverse leakage ?? high forward surge capability o?? high temperature soldering guaranteed: 260 /10 , 0.375" (9.5mm) ?? 260 /10 seconds, 0.375" (9.5mm) lead length, ?? 5 (2.3kg) 5 lbs. (2.3kg) tension mechanical data : terminals: plated axial leads : ?? polarity: color band denotes cathode end ? : mounting position: any ??? rohs ? lead and body according with rohs standard
siyu r characteristic curves sf31 ...... SF38 dachang electronics i f (a) ?? ? v f (v) ? ta( c ) ? ?? i fsm (a) ? i f(av) (a) ??? typical forward characteristic forward current derating curve i f instantaneous forward current (a) v f instantaneous forward voltage (v) tamb, ambient temperature (c) i f(a) average forward rectified current (a) maximum non repetitive peak forward surge current number of cycles at 60 hz. i fsm peak forward surge current (a) 0.6 0.8 1 1.2 1.4 1.6 0.01 0.1 0.2 1 2 10 tj = 25 c sf31 thru sf34 SF38 sf35 sf36 10mm 10mm 4.2 3.6 3 2.4 1.8 1.2 0.6 0 0 25 50 75 100 125 150 175 10mm 10mm 1 2 4 6 10 20 40 100 100 75 50 25 0 125
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