HIGH EFFICIENCY RECTIFIER VOLTAGE RANGE CURRENT HER301 THRU HER308 50 to 800 Volts 3.0Ampere DO-27 .052(1.3) .048(1.2) FEATURES • • • • • Low coat construction Fast switching for high efficency. Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension 1.0(25.4) MIN. .375(9.5) .335(8.5) .220(5.6) .197(5.0) MECHANICAL DATA • • • • • • DIA. DIA. 1.0(25.4) MIN. Case: Transfer molded plastic Epoxy: UL94V-O rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.042ounce, 1.19 grams Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • • • Ratings at 25OC ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SYMBOLS VRRM VRMS VDC Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375”(9.5mm) lead length at T A= 50℃ Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25℃ TA = 125℃ Maximum Full Load Recovery Current,full cycle average 0.375”(9.5mm)lead length at TL=55℃ Maximum Reverse Recovery Time(NOTE 1) Typical Thermal Resistance (NOTE 2) Typical Thermal Resistance(NOTE 3) Operating Junction Temperature Range HER 301 50 35 50 HER 302 100 70 100 HER 303 200 140 200 HER 304 300 210 300 HER 305 400 280 400 HER 306 600 420 600 HER UNITS 308 1000 Volts 700 Volts 1000 Volts HER 307 800 560 800 I(AV) 3.0 Amp IFSM 125 Amps VF 1.0 1.3 10 500 IR IR(AV) trr CJ RθJA TJ ,TSTG 1.7 50 70 µA 75 50 20 (-55 to +150) Volts µA 150 Notes: 1 Test Condition:IF=0.5A,IR=1.0A,IRR=0.25A 2. Measured at 1.0 MHz and applied reverse of 4.0 V 3 Thermal resistance from junction to ambient with .375”(9.5mm)lead length, P.C.B. mounted. . Web Site: www.hkmic.com 1.5 ns PF ℃/W ℃ HIGH EFFICIENCY RECTIFIER VOLTAGE RANGE CURRENT HER301 THRU HER308 50 to 800 Volts 3.0Ampere RATING AND CHRACTERISTIC CURVES HER301 THRU HER308 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 2.0 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm)Lead Length 8.3ms Single Half Sine-Wave (JEDEC Method) Tj=Tjmax CURRENT, (A) PEAK FORWARD SURGE 200 (A) AVERAGE FORWARD CURRENT, 3.0 100 1 Cycle 0 0 100 75 50 25 150 125 0 175 1 2 4 8 6 10 20 60 40 100 NUMBER OF CYCLES AT 60 Hz AMBIENT TEMPERATURE, (° C) FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE 100 CHARACTERISTICS 1.0 Tj =25° C Pulse Width=300us 10 (UA) INSTANTANEOUS REVERSE CURRENT, 80 0V 80 0/1 00 0V 30 0/ 40 0V 50 /1 00 /2 00 V 10 (A) INSTANTANEOUS FORWARD CURRENT, 100 Tj =125° C 1.0 Tj =25° C 0.1 1% Duty Cycle 0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 40 20 60 80 100 140 120 PERCENT OF RATED PEAK 0.01 1.8 REVERSE VOLTAGE,(%) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC Trr +0.5A 10Ω NONINDUCTIVE 50Ω NONINDUCTIVE HE HE R 30 6 -H ER R3 0 1 -H (-) ER 305 (+) 25 Vdc （approx） (-) D.U.T 1Ω NON INDUCTIVE 308 PULSE GENERATIOR (NOTE 2) 0 0.25A OSCILLOSCOPE (NOTE 1) TJ=25° C F=1MHz -1.0A 1cm Vsig=50mVp-p NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms 10 0.1 1.0 10 100 REVERSE VOLTAGE,(V) Web Site: www.hkmic.com SET TIME BASE FOR 50 /100NS /cm