20.0 amp schottky barrier 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 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 per leg at 10a maximum dc reverse current t a=25 c at rated dc blocking voltage t a=100 c typical junction capacitance (note1) notes: 1. measured at 1mhz and applied reverse voltage of 4.0v d.c. 2. thermal resistance junction to case. * low forward voltage drop * high current capability * high reliability * high surge current capability * epitaxial construction * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: lead solderable per mil-std-202, method 208 guranteed * polarity: as marked * mounting position: any 20.0 amperes typical thermal resistance r jc (note 2) vol t age range current operating storage temperature range t stg temperature range t j 20.0 200 0.5 50 2.0 a a ma ma pf -65 +150 -65 +150 c c c /w at tc=95 c 500 srf20150ct thru SRF20200CT 150 to 200 volts 150 200 v 150 200 v 105 140 v srf20150ct SRF20200CT units v 0.95 ito-220(fully insulated) dimensions in inches and (millimeters) .412 .248 .122 (3.1) .189 (4.8) .158 .610 .550 .100 (2.54) .060 .035 .108 (10.5) (6.3) (4.0) (15.5) (14.0) (1.5) (0.9) (2.75) max. max. max. min. max. max. 3.4 max. hole thru f + pin 1 pin 3 pin 2 case max. max. .114(2.9) .098(2.5) 76
rating and characteristic curves (srf20150ct thru SRF20200CT) fig.1-typical forward current dera ting curve 4 8 12 16 20 24 a v e r a g e f o r w a r d c u r r e n t , ( a ) 0 fig.4-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 ) 1000 1200 1400 800 600 400 200 0 .01 .05 .1 .5 1 5 10 50 100 fig.3-maximum non-repetitive forward surge current p e a k f o r w a r d s u r g e c u r r e n t , ( a ) 100 50 0 150 250 200 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method 0.1 1.0 .01 10 50 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 .1 .3 .5 .7 .9 1.1 1.3 1.5 5.0 tj=25 c fig.2-typical forward characteristics fig.5 - typical reverse characteristics .1 1.0 10 100 r e v e r s e l e a k a g e c u r r e n t , ( m a ) percentage rated peak reverse vol tage 0 20 40 60 80 100 120 140 .01 tj=25 c tj=100 c 0 20 40 60 80 100 120 140 160 180 200 77 case temperature,( c)
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