BL GALAXY ELECTRICAL SR1020CT - - - SR1060CT REVERSE VOLTAGE: 20 - 60 V FORWARD CURRENT: 10 A DUAL SCHOTTKY RECTIFIERS FEATURES Metal-semiconductor junction with guard ring TO-220AB Epitaxial construction For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications Low forward voltage drop,low switching losses High surge capability The plastic material carries U/L recognition 94V-0 MECHANICAL DATA Case:JEDEC TO--220AB,molded plastic 111 Terminals: Plated leads, solderable per MIL-STD-111 750, Method 2026 Polarity: As marked Weight: 0.08ounce, 2.24 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50 Hz,resistive or inductive load. For capacitive load,derate by 20%. SR 1020CT SR 1030CT SR 1040CT SR 1050CT SR 1060CT UNITS Maximum recurrent peak reverse voltage VRRM 20 30 40 50 60 V Working peak reverse voltage VRMS 14 21 28 35 42 V Maximum DC blocking voltage VDC 20 30 40 50 60 V Maximum average forw ard rectified current v (See FIG.1) IF(AV) 10.0 A Peak forw ard surge current 8.3 ms single half c sine-w ave superimposed on rated load c (JEDEC Method) @TJ =125 IFSM 175.0 A Maximum instantaneous forw ard voltage per leg c c @ 5A (Note1) VF Maximum reverse current at rated DC blocking voltage @TA=25 0.65 0.75 0.5 mA IR 50.0 @TA=100 Operating junction temperature range Storage temperature range TJ -55 --- + 150 TSTG -55 --- + 150 Note: 1. Pulse test:300us pulse width,1% duty cy cle. Document Number 0267001 V www.galaxycn.com BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SR1020CT - - - SR1060CT FIG.2 -- TYPICAL REVERSE CHARACTERISTICS PER LEG 10 Resistive or inductive load 8 6 4 2 SR1020CT-SR1040CT SR1050CT-SR1060CT 0 0 50 100 150 CASE TEMPERATURE, INSTANTANEOUS REVERSE CURRENT MILLIAMPERES 12 AMPERES AVERAGE FORWARD CURRENT FIG.1 --FORWARD CURRENT DERATING CURVE TJ=125 1 .1 TJ=75 .01 TJ=25 .001 1 .1 SR1020CT-SR1040CT SR1050CT-SR1060CT .01 0 .1 .2 .3 .4 .5 .6 .7 .8 100 175 TJ=TJ MAX. 8.3ms Single Half Sine-Wave (JEDEC Method) 150 125 100 75 50 25 0 1 5 10 50 100 NUMBER OF CYCLE AT 60Hz 4000 TJ=25 1000 SR1020CT-SR1040CT SR1050CT-SR1060CT 100 10 REVERSE VOLTAGE, VOLTS FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, /W JUNCTION CAPACITANCE, pF 80 .9 1.0 1.1 1.2 FIG.5 -- TYPICAL JUNCTION CAPACITANCE 1 60 200 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 100 0.1 40 FIG.4 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT AMPERES TJ=25 AMPERES INSTANTANEOUS FORWARD CURRENT Pulse width = 300s 1% Duty Cycle 10 TJ=125 20 0 PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG.3 -- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG 50 SR1020CT-SR1040CT SR1050CT-SR1060CT 10 100 10 1 0.1 0.01 0.1 1 10 100 PULSE DURATION, Sec www.galaxycn.com Document Number 0267001 BLGALAXY ELECTRICAL 2.