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HER503 Dataheets PDF



Part Number HER503
Manufacturers Formosa MS
Logo Formosa MS
Description 5.0 AMP HIGH EFFICIENCY RECTIFIERS
Datasheet HER503 DatasheetHER503 Datasheet (PDF)

HER501 THRU HER508 5.0 AMP HIGH EFFICIENCY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * High speed switching 5.0 Ampere 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 posit.

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HER501 THRU HER508 5.0 AMP HIGH EFFICIENCY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * High speed switching 5.0 Ampere 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 * Weight: 1.10 grams .375(9.5) .285(7.2) .052(1.3) .048(1.2) DIA. 1.0(25.4) MIN. 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 .375"(9.5mm) Lead Length at Ta=50 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 5.0A Maximum DC Reverse Current Ta=25 C 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 NOTES: HER501 HER502 HER503 HER504 HER505 HER506 HER507 HER508 UNITS V V V A A V mA mA nS pF C 50 35 50 100 70 100 200 140 200 300 210 300 5.0 200 1.3 10 200 400 280 400 600 420 600 800 560 800 1000 700 1000 1.0 1.85 50 -65 75 +150 70 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. RATING AND CHARACTERISTIC CURVES (HER501 THRU HER508) FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 6 5 4 3 2 1 0 0 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 10 03 05 R3 ~H ER 3 INSTANTANEOUS FORWARD CURRENT,(A) ~H E 01 04 .1 Tj=25 C Pulse Width 300us 1% Duty Cycle HE R3 HE 1.0 HE R3 R3 06 ~H ER 3 08 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( C) .01 FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT .6 .8 1.0 1.2 1.4 1.6 1.8 PEAK FORWAARD SURGE CURRENT,(A) .001 .4 250 FORWARD VOLT AGE,(V) 200 FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50W NONINDUCTIVE 10W NONINDUCTIVE 150 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 100 (+) 25Vdc (approx.) ( ) 1W NONINDUCTIVE OSCILLISCOPE (NOTE 1) D.U.T. ( ) PULSE GENERATOR (NOTE 2) (+) 50 0 1 5 10 50 100 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 +0.5A | | | | | | | | JUNCTION CAPACITANCE,(pF) 150 125 100 75 50 25 0 -0.25A -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm 0 .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) .


HER503 HER503 HER503


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