chongqing pingyang electronics co.,ltd. sf21g thru sf28g super fast recovery rectifier voltage 50-600v current 2.0a features high reliability low leakage low forward voltage high current capability super fast switching speed high surge capability good for switching mode circuit mechanical data case : molded plastic epoxy : ul94v-0 rate flame retardant lead : mil-std- 202e, method 208 guaranteed polarity : color band denotes cathode end mounting position : any weight : 0.38 grams maximum ratings and electronical characteristics ratings at 25 ambient temperature unless otherwise specified. single phase, half wave, 60hz,resistive or inductive load. for capacitive load, derate current by 20%. symbol sf21 g sf22g sf23g SF24G sf25g sf26g sf27g sf28g units maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 500 600 v maximum rms voltage v rms 35 70 105 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 150 200 300 400 500 600 v maximum average forward rectified current at t a =55 c at t =55 c i o 2.0 a peak forward surge current 8.3ms single half sine-wave superimposed on rate load (jedec method) i fsm 75 a maximum instantaneous forward voltage at 2.0a dc v f 0.95 1.4 1.85 v maximum dc reverse current at rated dc blocking voltage t a =25 c 5.0 maximum full load reverse current full cycle average,.375 (9.5mm) lead length at t =75 c i r 200 a maximum reverse recovery time (note 1) t rr 35 ns typical junction capacitance (note 2) c j 30 20 pf notes: 1.test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 2.measured at 1mhz and applied reverse voltage of 4.0 volts do-15 1.0(25.4) min. .034(0.9) .028(0.7) dia. .300(7.6) .230(5.8) 1.0(25.4) min. .140(3.6) .104(2.6) dia. dimensions in inches and (millimeters) pdf ?? "pdffactory pro" e www.fineprint.cn
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