HER208G

BL GALAXY ELECTRICAL GLASS PASSIVATED RECTIFIERS 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 HER201G --- HER208G VOLTAGE RANGE: 50 --- 1000 V CURRENT: 2.0 A DO - 15 MECHANICAL DATA Case:JEDEC DO-15,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.014 ounces,0.39 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 HER HER HER HER HER HER HER UNITS 201G 202G 203G 204G 205G 206G 207G 208G Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA =75 VRRM VRMS VDC I(AV) 50 35 50 100 70 100 200 140 200 300 210 300 2.0 400 280 400 600 420 600 800 560 800 1000 700 1000 V V V A Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM V F IR trr CJ RθJA TJ TSTG 50 50 1.0 60.0 1.3 5.0 100.0 75 30 50 - 55 ---- + 175 - 55 ---- + 175 1.7 A V A ns pF Maximum instantaneous forw ard voltage @2.0 A Maximum reverse current at rated DC blocking voltage @TA=25 @TA =100 (Note1) (Note2) (Note3) Maximum r everse recovery time Typical junction capacitance Typical Thermal Resistance /W Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. www.galaxycn.com 3. Thermal resistance junction to ambient. Document Number 0269017 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES HER201G --- HER208G FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 N 1. 10 N 1. t rr +0.5A 0 PULSE GENERATOR (NOTE2) D.U.T. (+) 25VDC (approx) (-) -0.25A 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) -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 10 1 50\100\200V FIG.3 -- FORWARD DERATING CURVE z 300\400V AVERAGE FORWARD CURRENT 2.0 AMPERES 1.0 AMPERES 0.1 600\800\1000V 　　　　 TJ=25 Single Phase Half Wave 60H Z Resistive or Inductive Load 0.01 Pulse width=300 s 0 0 25 50 75 100 125 150 175 0.001 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE, VOLTS AMBIENT TEMPERATURE, FIG.4 -- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT FIG.5 -- PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF 200 100 60 40 20 10 6 4 TJ =25 HER206G-HER208G HER201G-HER205G 60 50 40 30 20 10 0 1 5 10 50 100 8.3ms Single Half Sine-Wave 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS AMPERES NUMBER OF CYCLES AT 60Hz www.galaxycn.com Document Number 0269017 BLGALAXY ELECTRICAL 2.