SR1020CT-RS1060CT Dual Schottky Rectifiers REVERSE VOLTAGE: 20 - 60 V FORWARD CURRENT: 10 A TO-220AB 2.8± 0.1 Features Metal-semiconductor junction with guard ring 4.5± 0.2 10.2± 0.2 1.4± 0.2 Epitaxial construction Low forward voltage drop,low switching losses 1 8.9± 0.2 For use in low voltage,high frequency inverters free wheeling,and polarity protection applications 19.0± 0.5 xxxx ? 3.8± 0.15 PIN 2 3 High surge capability 3.5± 0.3 13.8± 0.5 2.6± 0.2 The plastic material carries U/L recognition 94V-0 0.9± 0.1 Mechanical Data 0.5± 0.1 2.5± 0.1 PIN 1 Case:JEDEC TO--220AB,molded plastic PIN 3 Positive CT Polarity: As marked Weight: 0.08ounce, 2.24 grams Mounting position: Any PIN 1 PIN 1 CASE PIN 2 PIN 3 Negative CT Suffix "A" CASE PIN 2 CASE PIN 2 PIN 3 Doubler Suffix "D" Dimensions in millimeters 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 Storage temperature range 0.70 V 0.5 IR @TA=100 Operating junction temperature range 0.55 mA 50.0 TJ -55 --- + 150 TSTG -55 --- + 150 Note: 1. Pulse test:300us pulse width,1% duty cy cle. http://www.luguang.cn mail:[email protected] SR1020CT-RS1060CT Dual Schottky Rectifiers Ratings AND Charactieristic Curves 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 4000 TJ=25 1000 SR1020CT-SR1040CT SR1050CT-SR1060CT 10 REVERSE VOLTAGE, VOLTS http://www.luguang.cn 100 NUMBER OF CYCLE AT 60Hz 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 = 300µs 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 FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 0.01 0.1 1 10 PULSE DURATION, Sec mail:[email protected] 100