page . 1 august 17,2010-rev.02 sd820ct series features ? plastic package has underwriters laboratory flammability classification 94v-o ? for surface mounted applications ? low profile package ? built-in strain relief ? low power loss, high efficiency ? high surge capacity ? for use in low voltage high frequency inverters, free wheeling, and polarity protection applications ? in compliance with eu rohs 2002/95/ec directives surface mount schottky barrier rectifiers voltage 20 to 60 volts current 8 amperes mechanical data ? case: to-251ab molded plastic ? terminals: solder plated, solderable per mil-std-750,method 2026 ? polarity: as marking ? standard packaging: 16mm tape (eia-481) ? weight: 0.0104 ounces, 0.297 grams. maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% parameter symbol sd820ct sd830ct sd840ct sd850ct sd860ct units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v maximum dc blocking voltage v dc 20 30 40 50 60 v maximum average forward current at t c =75 o c i f(av) 8a peak forward surge current : 8.3ms single half sine-wave superimposed on rated load(jedec method) i fsm 85 a maximum forward voltage at 4.0a v f 0.55 0.75 v maximum dc reverse current at rated dc blocking voltage t j =25 o c t j =100 o c i r 0.2 20 ma typical thermal resistance r ? jc r ? ja 5.0 80 o c / w operating junction temperature range t j -55 to +125 -55 to +150 o c storage temperature range t stg -55 to +150 o c 0.264(6.7) 0.248(6.3) 0.216(5.5) 0.200(5.1) 0.307(7.8) 0.283(7.2) 0.09(2.3) 0.09(2.3) 0.063(1.6) 0.047(1.2) 0.225(5.7) 0.209(5.3) 0.098(2.5) 0.082(2.1) 0.024(0.6) 0.016(0.4) 0.071(1.8) 0.051(1.3) 0.02(0.5) 0.032(0.8) 0.012(0.3)
page . 2 august 17,2010-rev.02 sd820ct series average forward current amperes fig 1 forward current derating curve .- fig 1 forward current derating curve .- case temperature , c o 0 50 100 150 10 8 6 4 2 0 fig 4 typical instantaneous forward .- fig 4 typical instantaneous forward .- characteristic fig 2 maximum non repetitive surge current .- - fig 2 maximum non repetitive surge current .- - peak forward surge current amperes no . of cycle at 60hz 120 100 80 60 40 20 0 1 2 5 10 20 50 100 fig 3 typical reverse characteristic .- fig 3 typical reverse characteristic .- instantaneous reverse current , ma 020406080100 t = 25 c j t = 75 c o j t = 100 c o j o instantaneous forward current amperes instantaneous forward voltage , volts 20v 40v ~ 50 60v ~ rating and characteristic curves 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.2 0.4 0.6 0.8 0.1 1.0 2 4 6 8 10 40 o t =25 c j pulse width=300 s 1% duty cycle 20 - 30 v 40 - 60 v 0.01 0.001 0.1 1.0 10 percent of instantaneous reverse voltage, (%)
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