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 1.0(25.4) MIN. ● Low forward voltage drop DIA. ● 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) 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 VDC 50 100 200 300 400 600 800 1000 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TA =55 ℃ 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 1.0 VF 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 1.7 5.0 IR V μA 100 TRR 50 75 nS CJ 50 30 pF RθJA 20 ℃/W TJ -55 to +125 ℃ 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 ~ 104 ~ 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 20 100 50 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (℃) FIG.3 – TYPICAL JUNCTION CAPACITANCE FIG.4-TYPICAL FORWARD CHARACTERISTICS 1000 INSTANTANEOUS FORWARD CURRENT (AMPERES) 100 HER301 - HER305 (UF3001 - UF3005) 100 CAPACITANCE (pF) 10 HER306 - HER308 (UF3006 - UF3008) 10 Tj = 25°C f = 1 MHz HER301 - HER303 (UF3001 - UF3003) 10 HER304 - HER305 (UF3004 - UF3005) HER306 - HER308 (UF3006 -UF3008) 1.0 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) ~ 105 ~ 1.8