HER301G thru HER308G REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 3.0 Amperes GLASS HIGH EFFICIENCY RECTIFIERS DO- 27 FEATURES ● Low cost ● Diffused junction .052(1.3) .048(1.2) DIA. ● Ultra fast switching for high efficiency ● Low reverse leakage current 1.0(25.4) MI ● Low forward voltage drop ● High current capability ● The plastic material carries UL recognition 94V-0 210 .375(9.5) .335(8.5) .220(5.6) .197(5.0) DIA MECHANICAL DATA ●Case: JEDEC DO-27 molded plastic 1.0(25.4) MI ●Polarity: Color band denotes cathode ●Weight: 0.04ounces , 1.1grams ●Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% SYMBOL HER 301G HER 302G HER 303G HER 304G HER 305G HER 306G HER 307G HER 308G UNIT 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 VDC 50 100 200 300 400 600 800 1000 V CHARACTERISTICS Maximum DC Blocking Voltage Maximum Average Forward @TA =55 ℃ Rectified Current I(AV) 3.0 A IFSM 150 A Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 3.0A DC(Note1) Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ Maximum Reverse Recovery Time(Note 1) Typical Junction Capacitance (Note2) Typical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range 1.3 1.0 VF 1.7 5.0 IR V uA 100 TRR 50 75 nS CJ 50 30 pF RθJA 20 ℃/W TJ -50 to +150 ℃ TSTG -50 to +150 ℃ NOTES: 1.Measured with IF=0.5A，IR=1A ，IRR=0.25A 2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 3.Thermal resistance junction to ambient ~ 109 ~ RATING AND CHARACTERTIC CURVES HER301G thru HER308G FIG. 1 – FORWARD CURRENT DERATING CURVE SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.5 2.0 1.5 1.0 0.5 0 25 50 75 100 125 150 200 PEAK FORWARD SURGE CURRENT (AMPERES） AVERAGE FORWARD CURRENT AMPERES 3.0 FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 150 100 50 SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 175 1 2 5 20 50 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 INSTANTANEOUS FORWARD CURRENT (AMPERES) 1000 100 CAPACITANCE (pF) 10 HER301G -HER305G HER306G - HER308G 10 Tj = 25°C f = 1 MHz HER 305G HER301G - HER304G 10 1.0 HER306G - HER308G TJ = 25°C PULSE WIDTH 300us 0.1 1 1 1.0 10 0 100 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) REVERSE VOLTAGE (VOLTS) ~ 110 ~ 1.8