8.0 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 see fig. 1 to-220a dimensions in inches and (millimeters) 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 8.0a maximum dc reverse current ta=25 c at rated dc blocking voltage t a=100 c typical junction capacitance (note1) 8.0 150 5.0 50 3.0 v v a a v ma ma pf * 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 * weight: 2.24 grams sr820 thru SR860 units v typical thermal resistance r q jc (note 2) 0.65 0.75 700 460 .412 .248 .040 .180 .050 .120 .158 .595 .550 .200 .051 .040 .108 (10.5) (6.3) (1.0) (4.6) (1.27) (3.05) (4.0) (15.1) (14.0) (5.08) (1.3) (1.0) (2.75) max. max. max. max. min. max. max. 3.8 +.2 hole thru f + + + pin 1 pin 1 pin 2 pin 2 case case case positive case negative suffix "r" 14 21 24 28 31 35 42 20 30 35 40 45 50 60 20 30 35 40 45 50 60 sr820 sr830 sr835 sr840 sr845 sr850 SR860 notes: 1. measured at 1mhz and applied reverse voltage of 4.0v d.c. 2. thermal resistance junction to case. vol t age range 20 to 60 volts current 8.0 amperes -65 +125 -65 +150 -65 +150 operating storage temperature range t stg temperature range t j c c c /w
0.1 1.0 .01 10 50 rating and characteristic curves (sr820 thru SR860) fig.1-typical forward current dera ting curve a v e r a g e f o r w a r d c u r r e n t , ( a ) fig.3-maximum non-repetitive forward surge current 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 ) 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 2 4 6 8 10 12 2000 2400 2800 1600 1200 800 400 0 .01 .05 .1 .5 1 5 10 50 100 .1 .3 .5 .7 .9 1.1 1.3 1.5 5.0 .1 1.0 10 100 fig.5 - typical reverse characteristics r e v e r s e l e a k a g e c u r r e n t , ( m a ) 0 20 40 60 80 100 120 140 .01 tj=75 c s r 8 2 0 ~ s r 8 4 5 s r 8 5 0 ~ s r 8 6 0 s r 8 5 0 ~ s r 8 6 0 s r 8 2 0 ~ s r 8 4 5 sr850~sr86 0 sr82 0~sr 845 tj=25 c tj=25 c 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 percent of rated peak reverse volt age,(%) 0 0 20 40 60 80 100 120 140 160 180 200 case temperature,( c) fig.2-typical forward characteristics p e a k f o r w a r d s u r g e c u r r e n t , ( a ) p e a k f o r w a r d s u r g e c u r r e n t , ( a )
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