SR820

BL FEATURES GALAXY ELECTRICAL SR820 --- SR8A0 VOLTAGE RANGE: 20 --- 100 V CURRENT: 8.0A SCHOTTKY BARRIER RECTIFIER Metal-Semiconductor junction with guard ring Epitaxial construction Low forward voltage drop,low switching losses High surge capability For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0 TO - 220AC MECHANICAL DATA Case:JEDEC TO--220AC,molded plastic Terminals: Leads solderable per MIL- STD-750,Method 2026 Polarity: As marked Weight: 0.078ounces,2.24 grams Mounting position: Any ｍｍ MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. SR820 SR830 SR840 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current (see fig.1) Peak forw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @TJ =125 SR850 50 35 50 8.0 SR860 60 42 60 SR880 SR8A0 UNITS 80 56 80 100 70 100 V V V A VRRM VRMS VDC IF(AV) 20 14 20 30 21 30 40 28 40 IFSM 150.0 A Maximum instantaneous forw ard voltage @ 8.0A (Note 1) Maximum reverse current at rated DC blocking voltage Typical thermal resistance @TA =25 @TA =100 (Note2) VF IR RθJA TJ TSTG 0.65 1.0 15.0 3 - 55 ---- + 125 0.75 0.8 0.85 V 50.0 mA /W Operating junction temperature range Storage temperature range NOTE: 1. Pulse test:300us pulse width,1% duty cy cle. 2.Thermal resistance junction to ambient - 55 ---- + 150 - 5 5 ---- +150 www.galaxycn.com Document Number 0266012 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SR820 --- SR8A0 FIG.1 -- FORWARD CURRENT DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT FIG.2 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT 150 10 8.0 145 TJ=TJMAX 8.3ms Single Half Sine-Wave AMPERES AMPERES SR820 - SR840 6.0 140 SR850 - SR8A0 4.0 2.0 0 0 50 100 150 Single Phase Half Wave 60Hz Resistive or Inductive Load 135 130 125 1.0 5.0 10 50 100 LEAD TEMPERATURE, NUMBER OF CYCLES AT 60HZ FIG.3 -- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT 50 SR820 - SR840 SR850 - SR860 SR8A0 10 SR880 AMPERES 1.0 TJ=25℃ Pulse width=300 1% Duty Cycle s 0.1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 INSTANTANEOUS FORWARD VOLTAGE, VOLTS www.galaxycn.com Document Number 0266012 BLGALAXY ELECTRICAL 2.