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| BL GALAXY ELECTRICAL SCHOTTKY BARRIER RECTIFIER FEATURES 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 1N17- - - 1N19 VOLTAGE RANGE: 20 --- 40 V CURRENT: 1.0 A R-1 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%. IN17 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA =75 IN18 30 21 30 1.0 IN19 40 28 40 UNITS V V V A V RRM V RMS VDC IF(AV) 20 14 20 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =70 IFSM 0.45 0.75 25.0 A Maximum instantaneous forw ard voltage @ 1.0A z (Note 1) @ 3.0A Maximum reverse current at rated DC blocking voltage Typical junction capacitance Typical thermal resistance @TA =25 @TA =100 (Note2) (Note3) VF IR CJ R JA TJ TSTG 0.55 0.875 1.0 10.0 110 50 - 55 ---- + 125 - 55 ---- + 150 0.60 0.90 V mA pF /W Operating junction temperature range Storage temperature range NOTE: 1. Pulse test : 300 s pulse width,1% duty cy cle. www.galaxycn.com 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. 3.Thermal resistance junction to ambient Document Number 0266018 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 1N17 - - - 1N19 FIG.1 -- FORWARD DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT PEAK FORWARD SURGE CURRENT AMPERES FIG.2 -- PEAK FORWARD SURGE CURRENT 1.0 30 25 20 25 10 5 0 1 10 100 TJ=TJMAX 8.3ms Single Half Sine-Wave 0.75 AMPERES 0.5 0.25 Resistive or Inductive Load 0.375"(9.5mm)Lead Length 0 0 25 50 75 100 125 150 LEAD TEMPERATURE, NUMBER OF CYCLES AT 60Hz FIG.3 -- TYPICAL INSTANTANEOUS FORWARD X -CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT FIG.4 -- TYPICAL JUNCTION CAPACITANCE 20 400 CAPACITANCE, pF 10 1N 1 7 1N 1 9 TJ=25ae f=1.0MHz Vsig=50mVp-p AMPERES 100 1 1N 1 8 T J = 25 P ulse w id th= 300 1 % D uty C yc le s 10 0.1 1 10 100 .1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0266018 BLGALAXY ELECTRICAL 2. |
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