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| 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 High 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 Case: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 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=125ae 1 AMPERES 12 9 6 3 0 Resistive or inductive load .1 TJ=75ae .01 TJ=25ae 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 = 300s 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. |
Price & Availability of SR1550CT
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