HER30X / UF300X SERIES HIGH EFFICIENCY (ULTRA FAST) RECTIFIERS REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 3.0 Amperes DO- 27 FEATURES ● Low cost ● Diffused junction .052(1.3) .048(1.2) ● Ultra fast switching for high efficiency ● Low reverse leakage current DIA. .984(25.0) MIN. ● 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 .984(25.0) MIN. ●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% CHARACTERISTICS SYMBOL HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308 UF3001 UF3002 UF3003 UF3004 UF3005 UF3006 UF3007 UF3008 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 Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 800 1000 V Maximum Average Forward @TA =55 ℃ Rectified Current I(AV) 3.0 A IFSM 150 A Peak Forward Surge Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Peak Forward Voltage at 3.0A DC VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ 1.0 1.3 1.7 5.0 IR V μA 100 Maximum Reverse Recovery Time(Note 1) TRR 50 75 nS Typical Junction Capacitance (Note2) CJ 50 30 pF Typical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range RθJA 20 ℃/W TJ -55 to +150 ℃ TSTG -55 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 4.The typical data above is for reference only(典型值仅供参考). Rev. 7, 13-Mar-2017 RATING AND CHARACTERTIC CURVES HER30X / UF300X SERIES FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT AVERAGE FORWARD CURRENT AMPERES 3.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.5 2.0 1.5 1.0 0.5 0 25 50 75 100 125 150 175 PEAK FORWARD SURGE CURRENT (AMPERES） FIG. 1 – FORWARD CURRENT DERATING CURVE 200 150 100 50 SINGLE HALF-SINE-WAVE (JEDEC METHOD) 0 1 2 5 FIG. 3 – TYPICAL JUNCTION CAPACITANCE 100 INSTANTANEOUS FORWARD CURRENT (AMPERES) CAPACITANCE,(pF) HER301 - HER305 (UF3001 - UF3005) HER306 - HER308 (UF3006 - UF3008) TJ = 25°C f = 1MHz 4 100 FIG.4-TYPICAL FORWARD CHARACTERISTICS 100 1.0 1 50 20 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) 10 10 HER301 - HER303 (UF3001 - UF3003) 10 HER304 - HER305 (UF3004 - UF3005) HER306 - HER308 (UF3006 -UF3008) 1.0 TJ = 25°C PULSE WIDTH 300us 0.1 10 REVERSE VOLTAGE ,VOLTS 40 100 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)! 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