BL GALAXY ELECTRICAL DUAL SCHOTTKY RECTIFIERS SR1620CT - - - SR1660CT REVERSE VOLTAGE: 20 - 60 V FORWARD CURRENT: 16 A 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 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 1620CT SR 1630CT SR 1640CT SR 1650CT SR 1660CT 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 h @TA=100 IF(AV) 16.0 A Peak forw ard surge current 8.3 ms single half b sine-w ave superimposed on rated load v (JEDEC Method) @TJ =125 IFSM 200.0 A Maximum instantaneous forw ard voltage per leg @ 8.0A (Note1) VF Maximum reverse current at rated DC blocking voltage @TA=25 0.7 0.8 1.0 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 0267003 V www.galaxycn.com BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SR1620CT - - - SR1660CT FIG.2 -- TYPICAL REVERSE CHARACTERISTICS PER LEG INSTANTANEOUS REVERSE CURRENT MILLIAMPERES 18 15 Resistive or inductive load AMPERES AVERAGE FORWARD CURRENT FIG.1 --FORWARD CURRENT DERATING CURVE 12 9 6 3 0 0 50 100 150 CASE TEMPERATURE, T J =125 1 .1 T J =75 .01 T J =25 .001 0 1 .1 SR1620CT-SR1640CT SR1650CT-SR1660CT .01 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2 40 60 80 100 FIG.4 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT AMPERES Pulse width = 300 s 1% Duty Cycle TJ =125 TJ =25 AMPERES INSTANTANEOUS FORWARD CURRENT 10 20 PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG.3 -- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG 50 S R1620CT -S R 1640CT S R1650CT -S R 1660CT 10 200 175 150 TJ=TJ MAX. 8.3ms Single Half Sine-Wave (JEDEC Method) 125 100 75 50 25 0 1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 5 50 10 100 NUMBER OF CYCLE AT 60Hz FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE 4000 TJ=25 1000 SR1620CT-SR1640CT SR1650CT-SR1660CT 100 0.1 1 10 100 REVERSE VOLTAGE, VOLTS TRANSIENT THERMAL IMPEDANCE, JUNCTION CAPACITANCE, pF /W FIG.5 -- TYPICAL JUNCTION CAPACITANCE 100 10 1 0.1 0.01 0.1 1 10 100 PULSE DURATION, Sec www.galaxycn.com Document Number 0267003 BLGALAXY ELECTRICAL 2.