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| BLGALAXY ELECTRICAL HIGH EFFICIENCY RECTIFIER FEATURES Low cost Low leakage Low forward voltage drop High current capability Easily cleaned with Alcohol,Isopropanol and similar solvents 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 HER301--- HER308 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 3.0 A DO - 27 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%. HER 301 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA =75 HER HER HER HER HER HER HER 302 303 304 305 306 307 308 100 70 100 200 140 200 300 210 300 3.0 400 280 400 600 420 600 800 560 800 1000 700 1000 UNITS V V V A VRRM VRMS VDC IF(AV) 50 35 50 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 200.0 150.0 A Maximum instantaneous forw ard voltage @ 3.0 A Maximum reverse current at rated DC blocking voltage Maximum reverse recovery time Typical junction capacitance Typical thermal resistance @TA =25 @TA =100 (Note1) (Note2) (Note3) VF IR trr CJ RJA TJ TSTG 1.0 1.3 10.0 150.0 50 70 30 - 55 ---- + 150 - 55 ---- + 150 1.7 V A 70 50 ns pF Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 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 0262005 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES HER301 --- HER308 FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 50 N 1. 10 N 1. +0.5A 0 D.U.T. -0.25A (+) 25VDC (approx) (-) 1 NONINDUCTIVE PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE1) -1.0A 1cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF. JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 . SET TIME BASE FOR 10/20 ns/cm FIG.2 -- TYPICAL FORWARD CHARACTERISTIC INSTANTANEOUS FORWARD CURRENT FIG.3 -- FORWARD DERATING CURVE z 100 10 3 .0 1 .0 3 0 0 \4 0 0 V 6.0 AVERAGE FORWARD CURRENT 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 T J=25 P u ls e W id th = 3 0 0 S Single Phase Half Wave 60HZ Resistive or Inductive Load 0.375"(9.5mm)Lead Length AMPERES 5 0 \1 0 0 \2 0 0 V 6 0 0 \8 0 0 \1 0 0 0 V 0 .1 0 .0 1 0 0 .2 0 .4 0 .6 0 .8 1 1 .2 1 .4 1 .6 1 .8 2 AMPERES 100 125 150 175 INSTANTANEOUS FORWARD VOLTAGE, VOLTS AMBIENT TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE FIG.5 -- PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF 200 100 60 40 HER306-HER308 PEAK FORWARD SURGE CURRENT 200 TJ=25 8.3ms Single Half Sine-Wave HER301-HER305 20 10 6 4 TJ=25 HER301-HER305 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 AMPERES 100 HER306-HER308 0 1 5 10 50 1 00 REVERSE VOLTAGE,VOLTS NUMBER OF CYCLES AT 60Hz www.galaxycn.com Document Number 0262005 BLGALAXY ELECTRICAL 2. |
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