MOSPEC URAF0870 Thru URAF08100 Switchmode Full Plastic Dual Ultrafast Power Rectifiers ULTRA FAST RECTIFIERS Designed for use in switching power supplies. inverters and as free wheeling diodes. These state-of-the-art devices have the following features: 8 AMPERES 700-1000 VOLTS ＊High Surge Capacity ＊Low Power Loss, High efficiency ＊Glass Passivated chip junctions ＊150℃ 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 MAXIMUM RATINGS Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectifier Forward Current Per Leg TC=125℃ Peak Repetitive Forward Current (Rate VR, Square Wave, 20kHz,TC=125℃) Non-Repetitive Peak Surge Current (Surge applied at rate load conditions halfware, single phase, 60Hz) Operating and Storage Junction Temperature Range ITO-220AC URAF08 Symbol Unit 70 80 90 100 VRRM VRWM VR 700 800 900 1000 V VR(RMS) 490 560 630 700 V IF(AV) 8.0 A IFM 16 A IFSM 100 A TJ , Tstg -65 to +125 ℃ ELECTRIAL CHARACTERISTICS Characteristic URAF08 Symbol 70 80 90 Unit 100 Maximum Instantaneous Forward Voltage ( IF =8 Amp TC = 25℃) ( IF =8 Amp TC = 25℃) VF 1.75 1.56 V Maximum Instantaneous Reverse Current ( Rated DC Voltage, TC = 25℃) ( Rated DC Voltage, TC = 125℃) IR 10 500 uA Reverse Recovery Time ( IF = 0.5 A, IR =1.0 , Irr =0.25 A ) Trr 150 ns Typical Junction Capacitance (Reverse Voltage of 4 volts & f=1 MHz) CP 55 PF DIM A B C D E F G H I J K L M N P O Q MILLIMETERS MIN MAX 15.05 15.15 13.35 13.45 10.00 10.10 6.55 6.65 2.65 2.75 1.55 1.65 1.15 1.25 0.55 0.65 2.50 2.60 3.00 3.20 1.10 1.20 0.55 0.65 4.40 4.60 1.15 1.25 2.65 2.75 3.35 3.45 3.15 3.25 URAF0870 Thru URAF08100 FIG-3 FORWARD CURRENT DERATING CURVE AVERAGE FORWARD RECTIFIED CURRENT (Amp.) AVERAGE FORWARD RECTIFIED CURRENT (Amp.) FIG-1 TYPICAL FORWARD CHARACTERISITICS LEAD TEMPERATURE (℃) FIG-4TYPICAL JUNCTION CAPACITANCE INSTANTANEOUS REVERSE CURRENT (Amp.) FIG-2 TYPICAL REVERSE CHARACTERISTICS JUNCTION CAPACITANCE (PF) FORWARD VOLTAGE (Volts) REVERSE VOLTAGE (Volts.) PERCENT OF PEAK REVERSE VOLTAGE (﹪) PEAK FORWARD SURGE CURRENT (Amp.) FIG-5PEAK FORWARD SURGE CURRENT NUMBER OF CYCLES AT 60 Hz Set time base for 10/20 ns/cm FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram