AA MOSPEC HERS501 thru HER505 Switchmode Power Rectifiers HIGH EFFICIENCY ... Designed for use in switching power supplies. inverters and RECTIFIERS as free wheeling diodes. These state-of-the-art devices have the following features: 5.0 AMPERES 50 -- 400 VOLTS * High Surge Capacity * Low Power Loss, High efficiency * Glass Passivated chip junctions * 150C Operating Junction Temperature * Low Stored Charge Majority Carrier Conduction * Low Forward Voltage , High Current Capability * High-Switching Speed 50 & 75 Nanosecond Recovery Time * Plastic Material used Carries Underwriters Laboratory Flammability Classification 94V-O MAXIMUM RATINGS DO-201AD Characteristic Symbol HER Unit 501 | 502 | 503 | 504 | 505 Peak Repetitive Reverse Voltage VeRM Working Peak Reverse Voltage Vawm 50 | 100 | 200 | 300 | 400 Vv DC Blocking Voltage Ve RMS Reverse Voltage Varemsy | 30 | 70 | 140 | 210 | 280 V Average Rectifier Forward Current lo 5.0 A Non-Repetitive Peak Surge Current leSM A ( Surge applied at rate load conditions 100 halfware, single phase,60Hz } Operating and Storage Junction Ths Tstg C DIM |MILLMETERS Temperature Range - 65 to + 150 MIN |MAX A 5.00} 5.60 B 29.40 _ ELECTRICAL CHARACTERISTICS er Cc 8.50} 9.50 Characteristic Symbol HER Unit 501 | 502 | 503 | 504 | 505 D | 120) 1.30 Maximum Instantaneous Forward Vv; Vv Voitage (l,=5.0 Amp, T, = 25 C) 1.00 1.30 Maximum Instantaneous Reverse le uA CASE- Current Transfer molded ( Rated DC Voltage, T, = 25 C) 5.0 plastic ( Rated DC Voltage, T, = 125 C) 70 Reverse Recovery Time T., ns POLARITY-- (1, =0.5A, lp =1.0, |, =0.25 A) 50 75 Cathode indicated Typical Junction Capacitance om pF polarity band ( Reverse Voltage of 4 volts & f=1 MHz) 55 45HER506 Thru HER508 INSTANTANEOUS FORWARD CURRENT (Amp.) INSTANTANEOUS REVERSE CURRENT (uA} FIG-1 TYPICAL FORWARD CHARACTERISTICS HERS06 1 HERS508 0.1 0.6 0.8 1.0 1.2 14 16 18 2.0 FORWARD VOLTAGE (Volts.) FIG-2 TYPICAL REVERSE CHARACTERISTICS HER508 HER5O7 0 20 40 60 80 100 120 140 PERCENT OF PEAK REVERSE VOLTAGE(%) Device Under (+) *) = 50 Vde Pulse = Approx Generator Y (Note 2) Oscilloscope (+4) (Note 1) Notes: 1. Rise Time = 7 ns max. Input Impedance =1 M O , 22 pF 2. Rise Time = 10 ns max. Input Impedance = 504 AVERAGE FORWARD RECTIFIED CURRENT ( Amp) JUNCTION CAPACITANCE (pF) PEAK FORWARD SURGE CURRENT (Amp.) FIG-3 FORWARD CURRENT DERATING CURVE 25 se 15 100 125 150 LEAD TEMPERATURE (C ) FIG-4 TYPICAL JUNCTION CAPACITANCE ~ HER506 HERS07-8 5 10 50 100 REVERSE VOLTAGE (Votts.) FIG-S PEAK FORWARD SURGE CURRENT 5 10 50 100 NUMBER OF CYCLES AT 60 Hz tye Set time base for 20/50 ns/div Fig-6 Reverse Recovery Time Characteristic and Test Circuit Diagram