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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 SR2020CT - - - SR2060CT REVERSE VOLTAGE: 20 - 60 V FORWARD CURRENT: 20 A TO-220AB MECHANICAL DATA Case:JEDEC TO--220AB,molded plastic Terminals: Leads ,solderable per MIL- STD-111 j kkn kkkk202, Method 208 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,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. SR 2020CT Maximum recurrent peak reverse voltage Working peak reverse voltage Maximum DC blocking voltage Maximum average forw ard rectified current v 9.5mm lead length, @ TA=100 Peak forw ard surge current 8.3 ms single half v sine-w ave superimposed on rated load v (JEDEC Method) @TJ=125 Maximum instantaneous forw ard voltage per leg @ 10A(Note1) Maximum reverse current @TA=25 SR 2030CT 30 21 30 SR 2040CT 40 SR 2050CT 50 35 SR 2060CT 60 42 60 VRRM VRMS VDC IF(AV) 20 14 20 28 40 20.0 IFSM VF IR TJ TSTG 0.65 w w 150.0 ta a .D w 50 0.75 e h S UNITS V V V A A t4 e V 1.0 mA at rated DC blocking voltage @TA=100 Operating junction temperature range Storage temperature range Note: 1. Pulse test:300us pulse width,1% duty cy cle. 50.0 -55 --- +150 -55 --- +150 www.galaxycn.com Document Number 0267004 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 --FORWARD CURRENT DERATING CURVE INSTANTANEOUS REVERSE CURRENT MILLIAMPERES AVERAGE FORWARD CURRENT SR2020CT - - - SR2060CT FIG.2 -- TYPICAL REVERSE CHARACTERISTICS PER LEG 10 SR2020CT-SR2040CT SR2050CT-SR2060CT 30 TJ=125ae 1 25 AMPERES 20 Resistive or inductive load 15 .1 TJ=75ae 10 .01 5 TJ=25ae .001 0 20 40 60 80 100 0 0 50 100 150 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 50 200 180 160 140 120 100 80 60 40 1 5 10 50 100 10 TJ=125 Pulse width = 300s 1% Duty Cycle AMPERES TJ=25 1 TJ=TJMAX. 8.3ms Single Half Sine-Wave (JEDEC Method) .1 SR2020CT-SR2040CT SR2050CT-SR2060CT .01 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 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 TJ=25 1000 TRANSIENT THERMAL IMPEDANCE, 4000 10 1 SR2020CT-SR2040CT SR2050CT-SR2060CT 100 0.1 1 10 100 0.1 0.01 0.1 1 10 100 REVERSE VOLTAGE, VOLTS PULSE DURATION, Sec www.galaxycn.com Document Number 0267004 BLGALAXY ELECTRICAL 2. |
Price & Availability of SR2050CT
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