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| HER301 THRU HER308 3.0 AMPS. High Efficient 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 DO-201AD Mechanical Data Cases: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 260 oC/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 1.2grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol HER HER HER HER HER HER HER HER Units Type Number 301 302 303 304 305 306 307 308 Maximum Recurrent Peak Reverse V RRM 50 100 200 300 400 600 800 1000 V Voltage Maximum RMS Voltage V RMS V DC I(AV) IFSM VF IR Trr Cj R JA TJ 35 50 70 100 140 200 210 300 280 400 420 600 560 700 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current @ T A=25 at Rated DC Blocking Voltage @ T A=100 Maximum Reverse Recovery Time (Note 1) Typical Junction capacitance (Note 2) Typical Thermal Resistance (Note 3) Operating Temperature Range Storage Temperature Range 800 1000 V V A A 3.0 150 1.0 1.3 10 200 50 70 40 -65 to +150 -65 to +150 75 50 1.7 V uA uA nS pF /W T STG Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR =1.0A, IRR =0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on PCB. - 320 - RATINGS AND CHARACTERISTIC CURVES (HER301 THRU HER308) FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM AVERAGE FORWARD CURRENT. (A) 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING 6 5 4 3 2 1 0 0 25 50 75 100 125 150 175 O Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm AMBIENT TEMPERATURE. ( C) FIG.3- TYPICAL REVERSE CHARACTERISTICS 1000 FIG.5- TYPICAL FORWARD CHARACTERISTICS 100 INSTANTANEOUS FORWARD CURRENT. (A) INSTANTANEOUS REVERSE CURRENT. ( A) R3 01 100 Tj=100 0C 10 ~H Tj=25 0C ER 30 4 HE HE R3 05 10 Tj=75 0C 1 HE R3 0 H 6~ ER 30 8 1.0 Tj=25 C 0 0.1 0.1 20 40 60 80 100 120 0 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 140 0.01 0 0.2 0.4 0.6 0.8 1.0 FORWARD VOLTAGE. (V) 1.2 1.4 300 FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 150 125 100 75 50 FIG.6- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT. (A) 200 JUNCTION CAPACITANCE.(pF) HE R3 01 ~H ER HE 30 100 R3 5 06~ HE R3 08 25 0 0 1 10 100 1000 0.1 0.5 1 2 5 10 20 50 100 200 500 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE. (V) - 321 - |
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