HER306 HER308 HER306M HER308M DO-201AD HER307 HER306/7 HER306/6 SF57-58

HER306 Thru HER308 Switchmode Power Rectifiers ULTRAFAST RECTIFIERS Designed for use in switching power supplies. inverters and

MOSPEC HER306 HER306 Thru HER308 HER308 Switchmode Power Rectifiers ULTRAFAST RECTIFIERS Designed for use in switching power supplies. inverters and as free wheeling diodes. These state-of-the-art devices have the following features: 3.0 AMPERES 600-1000 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 100 Nanosecond Recovery Time Plastic Material used Carries Underwriters Laboratory Flammability Classification 94V-O Plating pb free The marking is indicated by part no. add. "M". ex:HER306M HER306M~HER308M HER308M DO-201AD DO-201AD MAXIMUM RATINGS Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectifier Forward Current Non-Repetitive Peak Surge Current (Surge applied at rate load conditions halfware, single phase,60Hz ) Symbol HER306 HER306 HER307 HER307 HER308 HER308 Unit VRRM VRWM VR50 600 800 1000 V VR(RMS) 420 560 700 V IO 3.0 A IFSM A 50 DIM MILLIMETERS MIN 5.00 5.60 25.40 8.50 9.50 D -65 to +150 A B TJ , TSTG MAX C Operating and Storage Junction Temperature Range 1.20 1.30 ELECTRIAL CHARACTERISTICS Characteristic Symbol HER306 HER306 HER307 HER307 HER308 HER308 Unit Maximum Instantaneous Forward Voltage (IF=3.0 Amp, TC = 25) VF Maximum Instantaneous Reverse Current (Rated DC Voltage, TC = 25) (Rated DC Voltage, TC = 125) IR 5.0 70 uA Reverse Recovery Time ( IF = 0.5 A, IR =1.0 , Irr =0.25 A ) Trr 100 ns Typical Junction Capacitance (Reverse Voltage of 4 volts & f=1 MHz) CP 1.50 25 1.75 20 V PF CASE-Transfer molded plastic POLARITY-Cathode indicated polarity band HER306 HER306 Thru HER308 HER308 FIG-3 FORWARD CURRENT DERATING CURVE HER306/7 HER306/7 AVERAGE FORWARD RECTIFIED CURRENT (Amp.) AVERAGE FORWARD RECTIFIED CURRENT (Amp.) FIG-1 TYPICAL FORWARD CHARACTERISITICS HER308 HER308 LEAD TEMPERATURE () FIG-4TYPICAL JUNCTION CAPACITANCE HER306/7 HER306/7 HER306/6 HER306/6 HER308 HER308 REVERSE VOLTAGE (Volts.) FIG-5PEAK FORWARD SURGE CURRENT HER308 HER308 PERCENT OF PEAK REVERSE VOLTAGE () PEAK FORWARD SURGE CURRENT (Amp.) INSTANTANEOUS REVERSE CURRENT (uA.) SF57-58 SF57-58 FIG-2 TYPICAL REVERSE CHARACTERISTICS JUNCTION CAPACITANCE (PF) FORWARD VOLTAGE (Volts) NUMBER OF CYCLES AT 60 Hz Set time base for 20/50 ns/cm FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram