- 96 - sra1020 thru sra1090 10.0 amps. schottky barrier rectifiers voltage range 20 to 90 volts current 10.0 amperes features low forward voltage drop high current capability high reliability high surge current capabilit y mechanical data cases: to-220a molded plastic epoxy: ul 94v-o rate flame retardant terminals: lead 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) maximum 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 1020 sra 1030 sra 10 4 0 sra 1050 sra 1060 sra 1090 units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 v maximum rms voltage v rms 14 21 28 35 42 63 v maximum dc blocking voltage v dc 20 30 40 50 60 90 v maximum avera g e forward rectified current @tc=110 i (av) 10.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 250 a m aximum i nstantaneous f orward v oltage 10.0a v f 0.55 0.70 0.75 v maximum d.c. reverse current @ tc=25 at rated dc blocking voltage @ tc=100 i r 1.0 50 ma ma typical thermal resistance (note 1) r jc 2.0 /w typical junction capacitance (note 2) cj 400 pf operating junction temperature range t j -65 to +125 -65 to +150 storage temperature range t stg -65 to +150 notes: 1. mounted on heatsink size of 2 in x 3 in x 0.25 in al-plate. 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. .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
-97- ratings and characteristic curves (sra1020 thru sra1090) fig.3- typical reverse characteristics instantaneous reverse current .(ma) 0 20 40 60 80 100 120 140 .001 .01 .10 1.0 10 percent of rated peak reverse voltage. (%) tj=100 c 0 tj=25 c 0 tj=75 c 0 fig.1- forward current derating curve average for ward current . (a) 0 50 100 150 0 2.0 4.0 6.0 8.0 10 case temperature. ( c) o sra1050-90 sra1020-40 fig.2- maximum non-repetitive peak forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 50 150 100 200 250 300 number of cycles at 60hz 8.3ms single half sine wave per leg. (jedec method) tj=tj max. fig.4- typical forward characteristics instantaneous for ward current . (a) .2 .3 .4 .5 .6 .7 .8 .9 0.1 1.0 10 100 instantaneous forward voltage. (v) sra1050-60 sra1020-40 tj=25 c pulse width-300 s 1% duty cycle 0 fig.5- typical junction capacitance junction cap acitance.(pf) 0.1 1.0 10 100 100 1000 4000 reverse voltage. (v) tj=25 c f=1.0mhz vsig=50mvp-p 0 sra1020-90 sra1090
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