HER502

BL GALAXY 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 HER501--- HER508 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 5.0 A DO - 27 MECHANICAL DATA Case:JEDEC DO - 2 7 ,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,method 208 Polarity: Color band denotes cathode Weight: 0.04 1 ounces,1.15 g rams 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%. HER 501 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 UNITS 502 503 504 505 506 507 508 100 70 100 200 140 200 300 210 300 5.0 400 280 400 600 420 600 800 560 800 1000 700 1000 V V V A V RRM V RMS V DC 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 @ 5.0 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 RθJA TJ TSTG 1.0 1.3 10.0 150.0 50 70 20 - 55 ---- + 150 - 55 ---- + 150 1.7 V A 70 50 ns pF /W 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 0262006 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES HER501 --- HER508 FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 50 N 1. 10 N 1. +0.5A D.U.T. (+) 25VDC (approx) (-) 1 NONINDUCTIVE PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE1) 0 -0.25A -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 3 0 0 \4 0 0 V TJ=25 P u ls e W id t h = 3 0 0 µ S AVERAGE FORWARD CURRENT 6.0 5.0 4.0 AMPERES 10 5 0 \1 0 0 \2 0 0 V AMPERES 3.0 2.0 1.0 0 0 1 6 0 0 \8 0 0 \1 0 0 0 V Single Phase Half Wave 60HZ Resistive or Inductive Load 0.375"(9.5mm)LEAD LENGTH 0 .1 0 0 .2 0 .4 0 .6 0 .8 1 1 .2 1 .4 1 .6 1 .8 2 25 50 75 100 125 150 175 INSTANTANEOUS FORWARD VOLTAGE, VOLTS A MBIENT TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE 200 100 FIG.5 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF 60 40 HER506-HER508 200 TJ=25 8.3ms Single Half Sine-Wave HER501-HER505 20 10 6 4 　　　　 TJ=25 HER501-HER505 AMPERES 100 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 HER506-HER508 0 1 50 1 50 100 REVERSE VOLTAGE,VOLTS NUMBER OF CYCLES AT 60Hz www.galaxycn.com Document Number 0262006 BLGALAXY ELECTRICAL 2.