SR1520CT

BL GALAXY ELECTRICAL DUAL SCHOTTKY RECTIFIERS FEATURES Metal-Semiconductor junction with guard ring Epitaxial construction For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications Low forward voltage drop,low switching losses H igh surge capability The plastic material carries U/L recognition 94V-0 SR1520CT-SR1560CT REVERSE VOLTAGE: 20 - 60 V FORWARD CURRENT: 15 A TO-220AB MECHANICAL DATA C ase:JEDEC TO--220AB,molded plastic Terminals: Plated leads, solderable per MIL-STD-111 111 202, Method 208 Polarity: As marked Weight: 0.08 ounce, 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%. SR 1520CT Maximum recurrent peak reverse voltage Working peak reverse voltage Maximum DC blocking voltage Maximum average forw ard rectified current h @ T A=100 Peak forw ard surge current 8.3 ms single half b sine-w ave superimposed on rated load v (JEDEC Method) @TA =125 Maximum instantaneous forw ard voltage per leg h @ 7.5A (Note1) Maximum reverse current at rated DC blocking voltage @TA =25 @TA =100 SR 1530CT 30 21 30 SR 1540CT 40 28 40 15.0 SR 1550CT 50 35 50 SR 1560CT 60 42 60 UNITS V V V A VRRM VRMS VDC IF(AV) 20 14 20 IFSM 200.0 A VF 0.65 1.0 0.75 V IR TJ TSTG mA 50.0 -55 --- +150 -55 --- +150 www.galaxycn.com Operating junction temperature range Storage temperature range Note: 1. Pulse test:300us pulse width,1% duty cy cle. Document Number 0267002 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 --FORWARD CURRENT DERATING CURVE INSTANTANEOUS REVERSE CURRENT MILLIAMPERES AVERAGE FORWARD CURRENT SR1520CT --- SR1560CT FIG.2 -- TYPICAL REVERSE CHARACTERISTICS PER LEG 10 SR1520CT-SR1540CT SR1550CT-SR1560CT 18 15 TJ=125℃ 1 AMPERES 12 9 6 3 0 Resistive or inductive load .1 TJ=75℃ .01 TJ=25℃ 0 50 100 150 .001 0 20 40 60 80 100 CASE TEMPERATURE, FIG.3 -- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG INSTANTANEOUS FORWARD CURRENT, PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG.4 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT AMPERES 50 200 175 150 125 100 75 50 25 0 1 2 5 10 20 50 100 10 TJ =125 Pulse width = 300 µs 1% Duty Cycle TJ=TJMAX. 8.3ms Single Half Sine-Wave (JEDEC Method) TJ =25 AMPERES 1 .1 SR1520CT-SR1540CT SR1550CT-SR1560CT .01 0 .1 .2 .3 .4 .5 .7 .8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.5 -- TYPICAL JUNCTION CAPACITANCE /W NUMBER OF CYCLE AT 60Hz FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE 100 JUNCTION CAPACITANCE, pF 4000 TJ=25 TRANSIENT THERMAL IMPEDANCE, 10 1000 1 SR1520CT-SR1540CT SR1550CT-SR1560CT 100 0.1 0.1 1 10 100 0.01 0.1 1 10 100 REVERSE VOLTAGE, VOLTS PULSE DURATION, Sec www.galaxycn.com Document Number 0267002 BLGALAXY ELECTRICAL 2.