- 116 - .412(10.5) max .185(4.70) .175(4.44) .055(1.40) .045(1.14) .27(6.86) .23(5.84) .11(2.79) .10(2.54) .025(0.64) .014(0.35) .154(3.91) .148(3.74) dia pin1 2 .113(2.87) .103(2.62) .16(4.06) .14(3.56) .037(0.94) .027(0.68) .205(5.20) .195(4.95) .594(15.1) .587(14.9) .56(14.22) .53(13.46) pin 1 pin 2 case positive case SRA820 thru SRA8200 8.0 amps. schottky barrier rectifiers voltage range 20 to 200 volts current 8.0 amperes f eatures low forward voltage drop high current capability high reliability high surge current capability m echanical data cases: to-220a molded plastic epoxy: ul 94v-o rate flame retardant terminals: leads solderable per mil-std-202, method 208 guaranteed polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds/.25?,(6.35mm) from case weight: 2.24 grams to-220a dimensions in inches and (millimeters) m aximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sra 820 sra 830 sra 840 sra 850 sra 860 sra 890 sra 8100 sra 8200 units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 200 v maximum rms voltage v rms 14 21 28 35 42 63 70 140 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 200 v maximum average forward rectified current see fig. 1 i (av) 8.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 150 a m aximum i nstantaneous f orward v oltage @8.0a v f 0.55 0.70 0.92 1.05 v maximum d.c. reverse current @ tc=25 at rated dc blocking voltage @ tc=100 i r 0.5 50 0.009 10 ma ma typical thermal resistance (note 1) r jc 4.0 /w typical junction capacitance (note 2) cj 400 300 250 pf operating junction temperature range t j -65 to +125 -65 to +150 storage temperature range t stg -65 to +150 notes: 1. thermal resistance from junction to case per leg with heat sink (2?x3?x0.25?) al-plate. 2. measured at 1mhz and app lied reverse voltage of 4.0v d.c. www..net
- 117 - ratings and characteristic curves (SRA820 thru SRA8200) fig.3- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 25 50 125 100 150 175 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.5- typical forward characteristics instantaneous for ward current . (a) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.1 1 10 50 forward voltage. (v) s r a 8 5 0 -6 0 SRA820-40 fig.4- typical junction capacitance junction cap acitance.(pf) 0.1 0.4 1 4 10 40 100 100 200 400 600 1000 800 2000 4000 reverse voltage. (v) tj=25 c 0 fig.1- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 2 4 6 8 10 case temperature. ( c) o sra850-8200 SRA820-40 fig.2- typical reverse characteristics instantaneous reverse current . (ma) 20 40 60 80 100 120 0.001 0.01 0.1 1 10 percent of rated peak reverse voltage. (%) t j= 125 c 0 tj=25 c 0 tj=75 c 0 tj=25 c pulse width=300 s 1% duty cycle o s r a 8 2 0 -8 6 0 s r a 8 2 0 0 s r a 8 9 0 -1 0 0 s r a 8 2 0 0 s r a 8 9 0 -1 0 0 0 140 75 SRA820-sra8100 SRA8200 www..net
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