HER501G - HER508G GLASS PASSIVATED ULTRAFAST DIODES VOLTAGE RANGE: 50 - 1000V CURRENT: 5.0 A Features ! ! ! ! ! ! Glass Passivated Die Construction Diffused Junction Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability B A A C D Mechanical Data ! ! ! ! ! ! Case: DO-201AD, Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 1.2 grams (approx.) Mounting Position: Any Marking: Type Number DO-201AD Dim Min A 25.40 Max — B 8.50 9.53 C 0.96 1.06 D 4.80 5.21 All Dimensions in mm Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Symbol Characteristic HER 501G 50 HER 502G 100 HER 503G 200 HER 504G 300 HER 505G 400 HER 506G 600 HER 507G 800 HER 508G 1000 Unit Maximum Recurrent Peak Reverse Voltage VRRM Maximum RMS Voltage VRMS 35 70 140 210 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 800 1000 V Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 55 °C V IF(AV) 5.0 A IFSM 200 A Maximum Peak Forward Surge Current, 8.3ms Single half sine wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 5.0 A Maximum DC Reverse Current Ta = 25 °C at Rated DC Blocking Voltage Ta = 100 °C VF 1.1 1.7 IR 10 IR(H) 50 Maximum Reverse Recovery Time ( Note 1 ) Trr Typical Junction Capacitance ( Note 2 ) CJ V µA µA 50 75 50 ns pf Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC 1 of 2 www.sunmate.tw RATING AND CHARACTERISTIC CURVES ( HER501G - HER508 G) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω Trr 10 Ω + 0.5 A + D.U.T. 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx) 1Ω - 0.25 A OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 25-35 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 1 cm 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 200 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 5 4 3 2 1 8.3 ms SINGLE HALF SINE WAVE Ta = 50 °C 160 120 80 40 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 2 AMBIENT TEMPERATURE, ( °C) 10 20 40 60 100 FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES 100 FORWARD CURRENT, AMPERES 6 NUMBER OF CYCLES AT 60Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS Pulse Width = 300 µs 2% Duty Cycle TJ = 25 °C 10 HER501G-HER505G HER506G-HER508G 1.0 4 0.1 10 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS 2 of 2 www.sunmate.tw