HER301G HER308G THRU 3.0 AMP GLASS PASSIVATED 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. 1.0(25.4) 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 .375(9.5) .285(7.2) 1.0(25.4) MIN. .052(1.3) .048(1.2) DIA. 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 HER 301G HER 302G HER 303G HER 304G HER 305G HER 306G HER 307G HER 308G UNITS 50 35 50 100 70 100 200 140 200 300 210 300 400 280 400 600 420 600 800 560 800 1000 700 1000 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave A 3.0 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current Ta=25 C 150 1.3 10 1.0 1.85 200 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 50 70 -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. 144 75 +150 V V V A V A A nS pF C RATING AND CHARACTERISTIC CURVES (HER301G THRU HER308G) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) 8G 6G ~H ER 30 G~ HE R3 H ER 30 04 G~ H 01 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 50W NONINDUCTIVE 10W NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PULSE GENERATOR (NOTE 2) ( ) 150 PEAK FORWARD SURGE CURRENT,(A) .001 .4 (+) 1W NONINDUCTIVE 120 90 8.3ms Single Half Tj=25 C Sine Wave 60 JEDEC method 30 0 1 OSCILLISCOPE (NOTE 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) ER 3 05 03 G G 10 | | | | | | | | +0.5A 0 -0.25A -1.0A 150 125 100 75 50 25 1cm SET TIME BASE FOR 50 / 10ns / cm 0 .01 .05 .1 .5 1 REVERSE VOLTAGE,(V) 145 5 10 50 100