HER804

HER801 THRU HER808 GLASS PASSIVATED HIGH EFFICIENCY RECTIFIERS Reverse Voltage – 50 to 1000 Volts Forward Current – 8.0 Amperes Features • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 utilizing Flame Retardant Epoxy Molding Compound • Low power loss, high efficiency • Low forward voltage, high current capability • High surge capacity • Ultra Fast recovery times, high voltage Mechanical Data • Case: Molded plastic TO-220A • Mounting position: Any • Terminals: Leads solderable per MIL-STD-202, method 208 guaranteed • Polarity: as marked PIN 1 PIN 2 CASE PIN 1 PIN 2 CASE CASE POSITIVE CASE NEGATIVE SUFFIX "R" Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Single-phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Symbols Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified O current .375”(9.5mm) lead length at TC = 100 C Peak forward surge current , 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum forward voltage @ 8.0A Maximum reverse current at rated DC blocking voltage @ TA = 25 C O @ TA = 125 C O HER 801 50 35 50 HER 802 100 70 100 HER 803 200 140 200 HER 804 300 210 300 HER 805 400 280 400 HER 806 600 420 600 HER 807 800 560 800 HER 808 1000 700 1000 Units V V V A VRRM VRMS VDC I(AV) 8.0 IFSM VF IR IR CJ Trr RθJC TJ TS 80 50 1.0 150 1.3 10 500 50 80 3.0 -55 to +150 -55 to +150 O A 1.7 V uA uA pF nS C/W O O Typical junction capacitance (Note 1) Maximum reverse recovery time (Note 2) Typical thermal resistance (Note3) Operating temperature range Storage temperature range C C Note: 1. Measured at 1 MHz and applied reverse voltage of 4.0 Volts D.C. 2. Reverse recovery test conditions: IF = 0.5A, IR = 1.0A , IRR = 0.25A. 3. Thermal Resistance from junction to case mounted on heat sink. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 24/09/2003 HER801 THRU HER808 RATINGS AND CHARACTERISTIC CURVES REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (+) 50Vdc (appox) (-) 1 NON INDUCTIVE OSCILLOSCOPE (NOTE 1) -1.0A 1cm SET TIME BASE FOR 5/10ns/cm PULSE GENERATOR (NOTE 2) 0 -0.25A AVERAGE FORWARD CURRENT (A) trr MAXIMUM FORWARD CURRENT DERATING CURVE 20 16 12 8 4 0 50 100 150 NOTES:1. Rise Time=7ns max. Input Impedance= 1 megohm 22 pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms CASE TEMPERATURE, oC TYPICAL REVERSE CHARACTERISTICS 1000 Fig. 4-TYPICAL FORWARD CHARACTERISTICS 100 ) INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, ( 100 Tj =125 C o HER801-HER804 10 HE R8 05 10 1 HER806-HER808 Tj =25 C 1 o 0.1 0.1 0 20 40 60 80 100 120 140 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FORWARD VOLTAGE, (V) PEAK FORWARD SURGE CURRENT (A) 150 120 90 60 30 8.3ms Single Half Sine Wave JEDEC Method JUNCTION CAPACITANCE (pF) Fig. 5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT Fig. 6-TYPICAL JUNCTION CAPACITANCE 150 120 90 HER801-HER805 60 30 0 1 10 100 200 HER806-HER808 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE. (V) SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 24/09/2003