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