BL GALAXY ELECTRICAL SCHOTTKY BARRIER RECTIFIER 1N5820--- 1N5822 VOLTAGE RANGE: 20 --- 40 V CURRENT: 3.0 A FEATURES Metal-Semiconductor junction with guard ring DO - 27 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--27,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,method 208 Polarity: Color band denotes cathode Weight: 0.041 ounces,1.15 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%. 1N5820 1N5821 1N5822 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) 3.0 A IFSM 80.0 A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 3.0A (Note 1) Maximum reverse current at rated DC blocking voltage @ 9.4A @TA=25 @TA=100 VF 0.475 0.50 0.525 0.85 0.90 0.95 2.0 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 : 300 s pulse width,1% duty cy cle. 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. V mA pF www.galaxycn.com 3.Thermal resistance junction to ambient Document Number 0266002 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 1N5820 --- 1N5822 PEAK FORWARD SURGE CURRENT AMPERES FIG.2 -- PEAK FORWARD SURGE CURRENT 4 3 AMPERES AVERAGE FORWARD RECTIFIED CURRENT FIG.1 -- FORWARD DERATING CURVE Resistive or Inductive Load 0.375"(9.5mm)Lead Length 2 1 0 0 25 50 75 100 125 150 175 80 70 50 40 30 20 10 1 LEAD TEMPERATURE, 1N 5820 1N 5822 1N 5821 1 T J= 2 5 P u ls e w id t h = 3 0 0 1 % D u t y C y c le .1 .3 .5 .7 .9 1 .1 1 .3 1 .5 1 .7 1 .9 s 2 .1 CAPACITANCE, pF 1000 10 AMPERES 100 FIG.4 -- TYPICAL JUNCTION CAPACITANCE 20 .1 10 NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX----CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT TJ=TJMAX 8.3ms Single Half Sine-Wave 60 T J =25 f=1.0MHz Vsig=50mVp-p 100 10 0.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 1 10 100 REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0266002 BLGALAXY ELECTRICAL 2.