? low power loss, high efficiency ? high current capability, low vf ? high reliabbility ? high surge current capability ? epitaxial construction ? guard-ring for transient protection mechanical data sra2020 to-220ac 50 / tube c0 maximum ratings and el ectrical characteristics rating at 25 ambient temperature unless otherwise specified. symbol sr a 2020 sr a 2030 sr a 2040 sr a 2050 sr a 2060 sr a 2090 sr a 20100 sr a 20150 units v rrm 20 30 40 50 60 90 100 150 v v rms 14 21 28 35 42 63 70 105 v v dc 20 30 40 50 60 90 100 150 v i f(av) a ma ma ma r jc o c/w t j o c t j o c t stg o c version:h13 1.5 - 65 to + 150 Q 200 - 65 to + 150 sra2020 - SRA20150 20.0 amps. schottky barrier rectifiers to-220ac features ? for use in low voltage, high frequency inverter, free wheeling, and polarity protection application 20 part no. package packing ? green compound with suffix "g" on packing code & prefix "g" on datecode ? cases: to-220ac molded plastic ? epoxy: ul 94v-0 rate flame retardant ? terminals: pure tin plat ed, lead free, solderable per mil-std-202, method 208 guaranteed ? polarity: as marked ? high temperature soldering guaranteed: 260 /10 seconds/.25", (6.35mm) from case 0.92 300 1.02 ? weight: 1.90 grams parameter maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current ordering information(example) peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) i fsm 0.1 - 5.0 a maximum instantaneous forward voltage (note 1) @ 20a v f 0.55 0.70 maximum d.c. reverse @ t a =25 current at rated dc @ t a =100 blocking voltage @ t a =125 i r 0.5 15 10 - packing code packing code (green) storage temperature range note 1 : pulse test : 300 us pulse width, 1% duty cycle c0g typical thermal resistance operating junction temperature range - 65 to + 125 operating temperature range - in dc forward mode v
version:h13 ratings and characteristic curves (sra2020 thru SRA20150) 0 4 8 12 16 20 24 50 60 70 80 90 100 110 120 130 140 150 average forward current (a) case temperature ( o c) fig.1 forward current derating curve sra2050-SRA20150 sra2020-sra2040 resistive or inductiveload with heatsink 50 100 150 200 250 300 350 1 10 100 peak forward surge current (a) number of cycles at 60 hz fig. 2 maximum non-repetitive forward surge current 8.3ms single half sine wave jedec method 0.001 0.01 0.1 1 10 0 20 40 60 80 100 120 140 instantaneous reverse current (ma) percent of rated peak reverse voltage (%) fig. 4 typical reverse characteristics ta=25 ta=75 ta=100 10 100 1000 10000 0.1 1 10 100 capacitance (pf) a reverse voltage (v) fig. 5 typical junction capacitance ta=25 f=1.0mhz vsig=50mvp-p 0.1 1 10 100 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 instantaneous forward current (a) forward voltage (v) fig. 3 typical forward characteristics sra2020-sra2040 sra2050-sra2060 sra2090-SRA20150 ta=25 pluse width=300us 1% duty cycle 0.1 1 10 100 0.01 0.1 1 10 100 transient thermal impedance ( /w) t-pulse duration(s) fig. 6 typical transient thermal impedance
to-220ac dimensions min max min max a - 10.50 - 0.413 b 2.62 3.44 0.103 0.135 c 2.80 4.20 0.110 0.165 d 0.68 0.94 0.027 0.037 e 3.54 4.00 0.139 0.157 f 14.60 16.00 0.575 0.630 g - 1.60 - 0.063 h 13.19 14.79 0.519 0.582 i 4.95 5.20 0.195 0.205 j 4.42 4.76 0.174 0.187 k 1.14 1.40 0.045 0.055 l 5.84 6.86 0.230 0.270 m 2.20 2.80 0.087 0.110 n 0.35 0.64 0.014 0.025 p/n = specific device code g = green compound yww = date code c0g packing code c0 ordering information part no. package bulk packing packing code (green) dim. unit(mm) unit(inch) marking diagram sra20xx 50 / tube note: "xx" is device code from "20" thru "150".
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