5.0 amp super f ast rectifiers maximum ratings and electrical chara cteristics rating 25 c ambient temperature uniess otherwies specified. single phase half wave, 60hz, resistive or inductive load.for capacitive load, derate current by 20%. type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current .375"(9.5mm) lead length at t a=55 c fea tures mechanical da t a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 5.0a maximum dc reverse current t a=25 c at rated dc blocking voltage t a=100 c maximum reverse recovery time (note 1) typical junction capacitance (note 2) 5.0 150 a a notes: 1. reverse recovery time test condition: if=0.5a, ir=1.0a, irr=0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. * low forward voltage drop * high current capability * high reliability * high surge current capability * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: axial leads, solderable per mil-std-202, method 208 guranteed * polarity: color band denotes cathode end * mounting position: any sf51 thru SF57 * good for switching mode application vol t age range 50 to 600 volts current 5.0 amperes do-27 dimensions in inches and (millimeters) 1.0(25.4) min. 1.0(25.4) min. .375(9.5) .285(7.2) .052(1.3) .048(1.2) dia. .220(5.6) .197(5.0) dia. sf51 sf52 sf53 sf54 sf55 sf56 SF57 units 50 100 150 200 300 400 600 v 50 100 150 200 300 400 600 v 35 70 105 140 210 280 420 v operating and storage t emperature range t j , t stg 5.0 90 -65 +150 v ns pf 0.95 35 1.3 1.7 c 100 a a 104
rating and characteristic curves (sf51 thru SF57) fig.1- test circuit diagram and reverse recovery time characteristic fig.2-typical forward current a v e r a g e f o r w a r d c u r r e n t , ( a ) fig.6-typical junction capacit ance reverse voltage,(v) j u n c t i o n c a p a c i t a n c e , ( p f ) 1 2 3 4 5 6 (+) (+) 25vdc (approx.) ( ) ( ) 10 noninductive 50 noninductive w w pulse generator (note 2) oscilliscope (note 1) 1 non-inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. +0.5a 0 -0.25a -1.0a | || | | | | | 1cm set time base for 50 / 10ns / cm trr .01 .05 .1 .5 1 5 10 50 100 d.u.t. single phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length derating curve 30 0 60 90 120 150 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method 0 p e a k f o r w a r d s u r g e c u r r e n t , ( a ) fig.5-maximum non-repetitive forward surge current 0.1 1.0 .01 10 50 fig.3-typical forward characteristics i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) forward volt age,(v) pulse width 300us 1% duty cycle .4 .6 .8 1.0 1.2 1.4 1.6 1.8 3.0 s f 5 5 ~ s f 5 6 s f 5 7 s f 5 1 ~ s f 5 4 tj=25 c 350 300 250 200 150 100 50 0 0 25 50 75 100 125 150 175 0.1 1.0 .01 10 50 fig.4-typical reverse characteristics 3.0 tj=100 c tj=25 c 0 percent of rated peak reverse vol tage,(%) 20 40 60 80 100 120 140 r e v e r s e l e a k a g e c u r r e n t , ( a ) 105 ambient temperature,( c)
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