BL GALAXY ELECTRICAL SB020 --- SB040 VOLTAGE RANGE: 20 --- 40 V CURRENT: 0.6 A SCHOTTKY BARRIER RECTIFIER FEATURES R-1 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 R--1,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.007 ounces,0.20 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%. SB020 SB030 SB040 UNITS Maximum recurrent peak reverse voltage VRRM 20 30 40 V Maximum RMS voltage VRMS 14 21 28 V Maximum DC blocking voltage VDC 20 30 40 V Maximum average forw ard rectified current 9.5mm lead length, @TA=75 IF(AV) 0.6 A IFSM 20.0 A VF 0.55 V Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 0.6 A (Note 1) Maximum reverse current @TA=25 at rated DC blocking voltage @TA=100 0.5 IR Typical junction capacitance (Note2) CJ 60 Typical thermal resistance (Note3) RθJA 20 TJ - 55 ---- + 125 TSTG - 55 ---- + 150 Operating junction temperature range Storage temperature range mA 10.0 NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle. 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 0266003 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES SB020 --- SB040 FIG.2 --MAXIMUM NON-REPETITIVE 0.8 Resistive or Inductive Load 0.375"(9.5mm) Lead Length 0.6 0.4 0.2 0 0 20 40 60 80 100 120 PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1 -- FORWARD CURRENT DERATING CURVE 140 30 25 TJ=TJMAX 8.3ms Single Half Sine-Wave 20 25 10 5 0 10 1 AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60Hz FIG.4--TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE LEAKAGE CURRENT, MILLIAMPERES FORWARD CHARACTERISTICS 50 10 T J=125℃ AMPERES INSTANTANEOUS FORWARD CURRENT FIG.3 --TYPICAL INSTANTANEOUS Pulse width=300 1% Duty Cycle 1 s T J =25℃ 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE,VOLTS TJ=25℃ f=1.0MHz Vsig=50mVp-p 100 10 1 10 REVERSE VOLTAGE,VOLTS 100 10 TJ=125℃ 1 TJ=75℃ 0.1 0.01 TJ=25 0.001 0 20 40 60 80 100 FIG.6--TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE , ／Ｗ JUNCTION CAPACITANCE, pF 400 100 PERCENT OF RATED PEAK REVERSE VOLTAGE,% FIG.5--TYPICAL JUNCTION CAPACITANCE 0.1 100 100 10 1 0.1 0.01 0.1 1 10 100 PULSE DURATION,Sec. www.galaxycn.com Document Number 0266003 BLGALAXY ELECTRICAL 2.