HER301G THRU HER308G 3.0 AMP HIGH EFFICIENCY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT 3.0 Amperes FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * High speed switching DO-27 .220(5.6) .197(5.0) DIA. 0.945(24.0) MIN. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 1.10 grams * Both normal and Pb free product are available: .375(9.5) .285(7.2) 0.945(24.0) MIN. .052(1.3) .043(1.1) DIA. * Normal:80~95%Sn,5~20%Pb * Pb free:99 Sn above can meet Rohs enviroment substance directive request Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current HER301GHER302GHER303GHER304GHER305GHER306GHER307GHER308G 50 35 50 100 70 100 200 140 200 300 210 300 .375"(9.5mm) Lead Length at Ta=50 C Peak Forward Surge Current, 8.3 ms single half sine-wave 400 280 400 600 420 600 800 560 800 150 1.3 10 1.0 at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG 1.85 200 50 75 -65 NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 68 75 +150 UNITS V V V A 3.0 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C 1000 700 1000 A V µA µA nS pF C RATING AND CHARACTERISTIC CURVES (HER301G THRU HER308G) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TYPICAL FORWARD CHARACTERISTICS 8G 30 05 30 6G ~H ER G~ HE R3 ER 04 01 H 1.0 HE R3 HE R3 .1 3.0 2.5 2.0 Single Phase 1.5 Half Wave 60Hz Resistive Or Inductive Load 1.0 0.375"(9.5mm) Lead Length 0.5 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( C) Tj=25 C Pulse Width 300us 1% Duty Cycle .01 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT .6 .8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50Ω NONINDUCTIVE 10Ω NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PULSE GENERATOR (NOTE 2) ( ) 1Ω NONINDUCTIVE OSCILLISCOPE (NOTE 1) 150 PEAK FORWARD SURGE CURRENT,(A) .001 .4 (+) 120 90 8.3ms Single Half Tj=25 C Sine Wave 60 JEDEC method 30 0 1 5 50 10 100 NUMBER OF CYCLES AT 60Hz NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.5-TYPICAL JUNCTION CAPACITANCE 175 trr JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) G~ HE R3 G 03 G AVERAGE FORWARD CURRENT,(A) 10 | | | | | | | | +0.5A 0 -0.25A -1.0A 150 125 100 75 50 25 1cm SET TIME BASE FOR 0 50 / 10ns / cm .01 .05 .1 .5 1 REVERSE VOLTAGE,(V) 69 5 10 50 100