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 20 to 100 volts current operating storage temperature range t stg temperature range t j 20.0 200 0.5 50 2.0 v v a a v ma ma pf units v 0.55 0.85 0.70 14 21 28 35 42 56 70 20 30 40 50 60 80 100 20 30 40 50 60 80 100 srf srf srf srf srf srf srf 2020ct 2030ct 2040ct 2050ct 2060ct 2080ct 20100ct -65 +150 -65 +150 c c c /w at tc=95 c 500 SRF2020CT thru srf20100ct 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) 74
rating and characteristic curves (SRF2020CT thru srf20100ct) 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 case temperature,( c) 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 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 3.0 s r f 2 0 2 0 c t ~ s r f 2 0 4 0 c t s r f 2 0 5 0 c t ~ s r f 2 0 6 0 c t s r f 2 0 8 0 c t ~ s r f 2 0 1 0 0 c t tj=25 c fig.2-typical forward characteristics 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 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 75
|
