BL GALAXY ELECTRICAL SR220 --- SR2A0 VOLTAGE RANGE: 20 --- 100 V CURRENT: 2.0 A SCHOTTKY BARRIER RECTIFIER FEATURES DO - 15 Metal-Semiconductor junction with guard ring Epitaxial construction Low forward voltage drop,low switching losses High surge capability For use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0 MECHANICAL DATA Case:JEDEC DO--15,molded plastic Terminals: Axial lead ,solderable per MIL- STD-750,Method 2026 Polarity: Color band denotes cathode Weight: 0.014ounces,0.39 grams Mounting position: Any 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%. SR220 SR230 SR240 SR250 SR260 SR280 SR2A0 UNITS Maximum recurrent peak reverse voltage VRRM 20 30 40 50 60 80 100 V Maximum RMS voltage VRMS 14 21 28 35 42 56 70 V Maximum DC blocking voltage VDC 20 30 40 50 60 80 100 V Maximum average forw ard rectified current 9.5mm lead length, @TA=75 IF(AV) 2.0 A IFSM 50.0 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 2.0A (Note 1) Maximum reverse current @TA=25 at rated DC blocking voltage @TA=100 0.55 VF 0.7 1.0 IR 10.0 Typical junction capacitance (Note2) CJ 170 Typical thermal resistance (Note3) RθJA 35 TJ - 55 ---- + 125 TSTG - 55 ---- + 150 Operating junction temperature range Storage temperature range NOTE: 1. Pulse test:300us pulse width,1% duty cy cle. 0.85 V mA pF ／Ｗ www.galaxycn.com 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient Document Number 0266009 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SR220 --- SR2A0 FIG.2 -- PEAK FORWARD SURGE CURRENT Resistive or Inductive Load 0.375"(9.5mm) Lead Length 1.0 0.5 0 0 25 50 75 100 125 150 175 40 TJ=TJMAX 8.3ms Single Half Sine-Wave 30 20 10 0 1 LEAD TEMPERATURE, 10 100 NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX----CHARACTERISTICS FIG.4 -- TYPICAL JUNCTION CAPACITANCE 50 SR220 - SR240 400 CAPACITANCE,pF 10 SR280 - SR2A0 AMPERES INSTANTANEOUS FORWARD CURRENT 50 AMPERES 1.5 PEAK FORWARD SURGE CURRENT 2.0 AMPERES AVERAGE FORWARD RECTIFIED CURRENT FIG.1 -- FORWARD CURRENT DERATING CURVE 1 SR250 - SR260 0.1 Pulse Width=300 µs 1% DUTY CYCLE 100 TJ=25℃ f=1.0MHz Vsig=50mVp-p 10 0.1 1 10 100 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0266009 BLGALAXY ELECTRICAL 2.