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