URAF0880

MOSPEC Sw itchmode Full Plastic Dual Ultrafast Pow er Rectifiers Designed for use in switching power supplies. inverters and as free wheeling diodes. These state-of-the-art devices have the following features: ＊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 URAF0870 Thru URAF08100 ULTRA FAST RECTIFIERS 8 AMPERES 700-1000 VOLTS 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℃) ITO-220AC Symbol 70 VRRM VRW M VR VR(RMS) IF(AV) IFM 700 URAF08 80 800 90 900 100 1000 V Unit 490 560 8.0 16 630 700 V A A DIM A B C D E F G H I J K L M N P O Q Non-Repetitive Peak Surge Current (Surge applied at rate load conditions halfware, single phase, 60Hz) Operating and Storage Junction Temperature Range IFSM 100 A TJ , Tstg -65 to +125 ℃ ELECTRIAL CHARACTERISTICS Characteristic Maximum Instantaneous Forward Voltage ( IF =8 Amp TC = 25℃) ( IF =8 Amp TC = 25℃) Maximum Instantaneous Reverse Current ( Rated DC Voltage, TC = 25℃) ( Rated DC Voltage, TC = 125℃) Reverse Recovery Time ( IF = 0.5 A, IR =1.0 , Irr =0.25 A ) Typical Junction Capacitance (Reverse Voltage of 4 volts & f=1 MHz) Symbol 70 VF URAF08 80 1.75 1.56 90 100 V Unit 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 IR 10 500 150 uA Trr CP ns 55 PF URAF0870 Thru URAF08100 FIG-1 TYPICAL FORWARD CHARACTERISITICS AVERAGE FORWARD RECTIFIED CURRENT (Amp.) AVERAGE FORWARD RECTIFIED CURRENT (Amp.) FIG-3 FORWARD CURRENT DERATING CURVE LEAD TEMPERATURE (℃) FIG-4TYPICAL JUNCTION CAPACITANCE FORWARD VOLTAGE (Volts) FIG-2 TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT (Amp.) JUNCTION CAPACITANCE (PF) REVERSE VOLTAGE (Volts.) FIG-5PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT (Amp.) PERCENT OF PEAK REVERSE VOLTAGE (﹪) NUMBER OF CYCLES AT 60 Hz Set time base for 10/20 ns/cm FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram