CURRENT 2.0 Amperes VOLTAGE 50 to 1000 Volts HER201 THRU HER208 Features * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Low forward voltage drop * High current capability * High reliability * Low power loss, high effciency * High surge current capability * High speed switching * Low leakage DO-15 0.140(3.6) 0.104(2.6) DIA. 1.0(25.4) MIN. 0.300(7.6) 0.230(5.8) Mechanical Data * Case : JEDEC DO-15 molded plastic body * Epoxy : UL94V-0 rate flame retardant * Lead : Plated axial lead solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.014 ounce, 0.39 gram 1.0(25.4) MIN. 0.034(0.9) 0.028(0.7) DIA. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25 ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols HER 201 HER 202 HER 203 HER 204 HER 205 HER 206 HER 207 HER 208 Units Maximum recurrent peak reverse voltage VRRM 50 100 200 300 400 600 800 1000 Volts Maximum RMS voltage VRMS 35 70 140 210 280 420 560 700 Volts Maximum DC blocking voltage VDC 50 100 200 300 400 600 800 1000 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length @ at TA=50 I(AV) 2.0 Amps Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 60.0 Amps Maximum instantaneous forward voltage at 2.0A VF 1.0 1.3 Maximum DC reverse current at rated DC blocking voltage Maximum full load reverse current full cycle average. 0.375"(9.5mm) lead length at TL=55 1.7 Volts 5.0 A IR 100 Maximum reverse recovery time (Note 1) Trr 50 75 ns Typical junction capacitance (Note 2) CJ 30 20 pF Operating junction and storage temperature range TJ TSTG Notes: (1) Test conditions: IF=0.5A, IR=1.0A, Irr=0.25A. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. -65 to +150 RATINGS AND CHARACTERISTIC CURVES HER201 THRU HER208 50W NON INDUCTIVE (+) 10W NON INDUCTIVE D.U.T. ) 0 PULSE GENERATOR (NOTE2) 25Vdc (APPROX) ( 1W NON INDUCTIVE Trr +0.5A -0.25A OSCILLOSCOPE (NOTE1) -1.0A NOTES : 1.Rise Time=7ns max. input impedance=1 megohm 22pF 2.Rise Time=10ns max. source impedance = 50 ohms AVERAGE FORWARD CURRENT(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 2.0 1.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH 0 1cm 0 SET TIME BASE FOR 10/20 ns/cm 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( ) FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT ,(mA) INSTANTANEOUS FORWARD CURRENT(AMPERES) 10 50\100\200\300\400V 1 0.1 600\800\1000V TJ=25 0.01 PULSE WIDTH=300mS 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TJ=150 TJ=100 1.0 TJ=25 0.1 0.01 1% DUTY CYCLE 0 0.001 0 10 1.6 20 1.8 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) INSTANTANEOUS FORWARD VOLTAGE (VOLTS) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG6-TYPICAL JUNCTION CAPACITANCE 200 100 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 50 JUNCTION CAPACITANCE(pF) PEAK FORWARD SURGE CURRENT(AMPERES) 60 40 30 20 60 40 HER201-HER205 20 10 6 HER206-HER208 4 TJ=25 2 10 1 0.1 0 1 5 10 NUMBER OF CYCLES AT 60Hz 50 100 0.2 0.4 1 2 4 REVERSE VOLTAGE. (V) 10 20 40 100