DATA SHEET HER501 THRU HER508 SEMICONDUCTOR 5.0AMP HIGH EFFICIENT RECTIFIERS VOLTAGE RANGE: 50 TO 1000 VOLTS FEATURES DO-201AD . Low cost Unit:inch(mm) . Diffused junction . Low Leakage . Low forward voltage .210 (5.3) .188 (4.8) DIA. . High current capability 1.0 (25.4) MIN. . Easily cleaned with Freon. Alcohol. Lsopropanol and similar solvents .375 (9.5) .285 (7.2 ) . The plastic material carries U/L recognition 94 V-O MECHANICAL DATA • Case: Molded plastic , DO-201AD • Terminals: Plated axial leads, solderable per MIL-STD-202, 1.0 (25.4) MIN. .052 (1.3) .048 (1.2) DIA. Method 208 • Polarity: Color band denotes cathode • Mounting Position: Any • Weight: 0.04 ounce, 1.1 grams 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 current by 20％ SYMBOL HER501 HER502 HER503 HER504 HER505 HER506 HER507 HER508 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 Maximum RMS Voltage VRMS 35 VDC 50 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 9.5mm Lead Length. TA =55 °C 100 200 300 400 600 800 70 140 100 200 210 280 420 300 400 600 1000 V 560 700 V 800 1000 V I(AV) 5.0 A IFSM 200 A Peak Forward Surge Current 8.3ms Single Single half-sine-wave superimposed on rated Tj=125 °C VF Maximum Forward Voltage at 5.0A DC Maximum Reverse Current T A = 25 °C 1.0 1.3 10.0 IR Maximum reverse recovery time (Note 2) NOTE: 1. Cj 80 Trr 50 pF 50 ns 75 Tj - 55 to 150 °C TSTG - 55 to 150 °C Operating Junction Temperature Range Storage Temperature Range µA 200.0 at Rated DC Blocking Voltage TA = 100 °C Typical Junction Capacitance ( Note 1 ) V 1.7 Measured at 1.0MHZ and applied reverse voltage of 4.0V DC. 2. Thermal resistance junction to ambient. http://www.yeashin.com 1 REV.02 20110725 HER 501 THRUHER508 FIG. 1 -- TYPICAL FORWARD CHARACTERISTIC FIG. 2 -- TYPICAL JUNCTION CAPACITANCE 175 150 HER501-504 HER505 125 HER506-508 1.0 Pulse Width = 300" S 1 %Duly Cycle 0 0 2 4 6 8 10 12 75 50 HER506& 508 25 14 1.0 INSTANTANEOUS FORWARD VOLTAGE / VOLTS 4.0 100 10 200 500 REVERSE VOLTAGE / VOLTS FIG. 4 -- MAXIMUMNON-REPETITIVE FORWARD SURGE CURRENT FIG. 3 -- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE 400 Single Phase Half Wave 60HZ 5 CURRENT AMPERES AVERAGE FORWARD RECTIFIED HER501-505 100 CAPACITANCE. PF Tj=25 °C 10 AMPERES INSTANTANEOUS FORWARD CURRENT / 100 Resistive or Inductive Load 3 1 0 0 25 50 75 100 125 150 175 200 300 200 100 0 1.0 10 2.0 20 100 NUMBER OF CYCLES AT 60HZ AMBIENT TEMPERATURE / °C FIG. 5 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50% N.1. (+) 10% N.1. (-) D.U.T 50 Vdc (APPROX) (-) trr 1% N.1. 0.5A PULSE GENERATOR 0 ( NOTE 2 ) 0.25A OSCILLOSCOPE ( NOTE ) (+) 1.0A NOTES: 1. RISE TIME = 7n SEC MAX. INPUT IMPEDANCE = 1 MEGOHM. 22PF 2. RISE TIME = 10n SEC MAX. SOURCE IMPEDANCE = 50 OHM. http://www.yeashin.com SET TIME BASE FOR 15 ns / cm 2 REV.02 20110725