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| HER301 THRU HER308 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 CURRENT 3.0 Amperes VOLTAGE 50 to 1000 Volts DO-201AD 0.210(5.3) 0.188(4.8) DIA. 1.0(25.4) MIN. Mechanical Data * Case : JEDEC DO-201AD 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 : 0.042 ounce, 1.19 gram 0.375(9.5) 0.285(7.2) 0.042(1.1) 0.037(0.9) DIA. 1.0(25.4) MIN. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25E ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375"(9.5mm) lead length @ at TA=50E Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 2.0A 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=55E Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating junction and storage temperature range IR VRRM VRMS VDC I(AV) IFSM VF HER 301 50 35 50 HER 302 100 70 100 HER 303 200 140 200 HER 304 300 210 300 3.0 HER 305 400 280 400 HER 306 600 420 600 HER 307 800 560 800 HER 308 1000 700 1000 Units Volts Volts Volts Amps 200.0 1.0 1.3 10.0 150.0 1.7 Amps Volts i A 150 Trr CJ TJ TSTG 50 70 -65 to +150 75 50 ns pF E 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. RATINGS AND CHARACTERISTIC CURVES HER301 THRU HER308 FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50W NON INDUCTIVE 10W NON INDUCTIVE FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE Trr +0.5A AVERAGE FORWARD CURRENT(A) 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( E ) SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH (+) 25Vdc (APPROX) ( ) D.U.T. PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE1) 0 -0.25A 1W NON INDUCTIVE NOTES : 1.Rise Time=7ns max. input impedance=1 megohm 22pF 2.Rise Time=10ns max. source impedance = 50 ohms -1.0A 1cm SET TIME BASE FOR 10/20 ns/cm FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT(AMPERES) 100 FIG.4-TYPICAL REVERSE CHARACTERISTICS 1000 INSTANTANEOUS REVERSE CURRENT (mA) 50\100\200\300\400V 100 10 10 TJ=150E 1 600\800\1000V TJ=100E 1.0 TJ=25E 0.1 TJ=25E PULSE WIDTH=300mS 1% DUTY CYCLE 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 300 FIG6-TYPICAL JUNCTION CAPACITANCE 200 100 JUNCTION CAPACITANCE(pF) PEAK FORWARD SURGE CURRENT(AMPERES) 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 60 40 HER306-HER308 HER301-HER305 200 20 10 6 4 TJ=25E 100 HER306-HER308 HER301-HER305 2 1 0.1 0.2 0.4 1 2 4 10 20 40 100 5 10 50 100 REVERSE VOLTAGE. (V) 0 1 NUMBER OF CYCLES AT 60Hz |
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