CURRENT 1.5 Amperes VOLTAGE 50 to 1000 Volts HER151 THRU HER158 Features * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Low forward voltage drop * High current capability * High reliability * Low power loss, high effciency * Glass passivated junction * 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%) Maximum recurrent peak reverse voltage Maximum RMS voltage Symbols HER 151 HER 152 HER 153 HER 154 HER 155 HER 156 HER 157 HER 158 Units VRRM 50 100 200 300 400 600 800 1000 Volts 35 70 140 210 280 420 560 700 Volts 50 100 200 300 400 600 800 1000 Volts VRMS Maximum DC blocking voltage VDC Maximum average forward rectified current 0.375"(9.5mm) lead length @ at TA=55 I(AV) 1.5 Amps Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 50.0 Amps Maximum instantaneous forward voltage at 2.0A VF 1.0 1.1 Maximum DC reverse current at rated DC blocking voltage at TA=25 Maximum DC reverse current at rated DC blocking voltage at TA=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 50 30 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 HER151 THRU HER158 50W NON INDUCTIVE (+) 10W NON INDUCTIVE D.U.T. ) 1W NON INDUCTIVE 0 PULSE GENERATOR (NOTE2) 50Vdc (APPROX) ( -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 INSTANTANEOUS FORWARD CURRENT(AMPERES) Trr +0.5A AVERAGE FORWARD CURRENT(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 1cm 3.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH 2.0 1.0 0 0 SET TIME BASE FOR 20/30 ns/cm 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( ) FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.3-TYPICAL FORWARD CHARACTERISTICS 10 INSTANTANEOUS REVERSE CURRENT ,(mA) 1000 58 R1 57 -H E HE R HE 15 5 -H ER R1 51 H ER 15 6 15 4 1.0 HE R1 0.1 100 TA=100 10 TA=25 1.0 0.01 TA=25 PULSE WIDTH=300mS 0.1 PEAK FORWARD SURGE CURRENT(AMPERES) 1% DUTY CYCLE 0.001 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 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 70 JUNCTION CAPACITANCE(pF) 300 60 TA=25 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 50 40 30 20 10 150 125 100 TJ=25 75 HER151-HER156 50 25 0 1 5 10 NUMBER OF CYCLES AT 60Hz 50 100 HER157-HER158 0 0.1 0.5 1 2 5 10 20 REVERSE VOLTAGE. (V) 50 100 200 1000