- 138 - .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) sra2020 thru SRA2060 20.0 amps. schottky barrier rectifiers voltage range 20 to 60 volts current 20.0 amperes features low forward voltage drop high current capability high reliability high surge current capability mechanical 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) 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 2020 sra 2030 sra 20 4 0 sra 2050 sra 2060 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 avera g e forward rectified current see fig. 1 i (av) 20.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 300 a maximum instantaneous forward voltage @20.0a v f 0.55 0.70 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) r jc 1.5 /w operating junction temperature range t j -65 to +125 -65 to +150 storage temperature range t stg -65 to +150 notes: mounted on heatsink size of 2 in x 3 in x 0.25 in al-plate.
- 139 - ratings and characteristic curves (sra2020 thru SRA2060) fig.3- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 50 100 150 250 200 300 350 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.4- typical forward characteristics instantaneous for ward current . (a) .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 0.1 1.0 10 50 forward voltage. (v) tj=25 c pulse width=300 s 1% duty cycle o fig.2- typical reverse characteristics instantaneous reverse current . (ma) 20 40 60 80 100 120 .001 .01 .10 1.0 10 percent of rated peak reverse voltage. (%) tj=125 c 0 tj=25 c 0 tj=75 c 0 fig.1- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 4 8 12 16 20 case temperature. ( c) o sra2020-40 sra2050-60 sra2020-40 sra2050-60
|
