SB270

BL FEATURES GALAXY ELECTRICAL SB270 ---SB2A0 VOLTAGE RANGE: 70 --- 100 V CURRENT: 2.0 A SCHOTTKY BARRIER RECTIFIER 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 DO - 15 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,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. SB270 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 SB280 80 56 80 2.0 SB290 90 63 90 SB2A0 100 70 100 UNITS V V V A VRRM VRMS VD C IF(AV) 70 49 70 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load Maximum instantaneous forw ard voltage @ 2.0A (Note 1) Maximum reverse current @TJ =125 TJ=25 TJ=100 @TA=25 IFSM 60.0 A VF IR CJ RθJA TJ TSTG 0.79 0.69 0.5 20.0 250 20 - 55 ---- + 125 - 55 ---- + 150 V mA at rated DC blocking voltage @TA=100 Typical junction capacitance Typical thermal resistance (Note2) (Note3) pF /W Operating junction temperature range Storage temperature range NOTE: 1. Pulse test:300us pulse width,1% duty cy cle. 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 0266023 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SB270 --- SB2A0 FIG.1 -- FORWARD CURRENT DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT FIG.2 -- PEAK FORWARD SURGE CURRENT 2.0 PEAK FORWARD SURGE CURRENT 60 48 1.5 AMPERES 1.0 0.5 Resistive or Inductive Load 0.375"(9.5mm) Lead Length AMPERES 36 24 12 0 TJ=TJMAX 8.3ms Single Half Sine-Wave 0 0 25 50 75 100 125 150 175 1 10 100 LEAD TEMPERATURE, NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX---- CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT 50 FIG.4 -- TYPICAL JUNCTION CAPACITANCE 400 CAPACITANCE,pF 10 100 AMPERES 1 0.1 Pulse Width=300 µs 1% DUTY CYCLE TJ=25℃ f=1.0MHz Vsig=50mVp-p 10 0.1 1 10 100 0.01 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0266023 BLGALAXY ELECTRICAL 2.