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 PIN 1 PIN 1 Mechanical Data • Case: Molded plastic TO-220A • Mounting position: Any • Terminals: Leads solderable per MIL-STD-202, method 208 guaranteed • Polarity: as marked PIN 2 CASE CASE POSITIVE PIN 2 CASE 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 HER HER HER HER HER HER HER HER 801 802 803 804 805 806 807 808 Units Maximum recurrent peak reverse voltage VRRM 50 100 200 300 400 600 800 1000 V 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 rectified O current .375”(9.5mm) lead length at TC = 100 C I(AV) 8.0 A Peak forward surge current , 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 150 A Maximum forward voltage @ 8.0A Maximum reverse current at rated DC blocking voltage VF O @ TA = 25 C O @ TA = 125 C 1.0 1.3 IR IR 1.7 V 10 500 uA uA Typical junction capacitance (Note 1) CJ 80 50 pF Maximum reverse recovery time (Note 2) Trr 50 80 nS O RθJC 3.0 Operating temperature range TJ -55 to +150 O C Storage temperature range TS -55 to +150 O C Typical thermal resistance (Note3) 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 C/W HER801 THRU HER808 RATINGS AND CHARACTERISTIC CURVES REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 10 NONINDUCTIVE trr AVERAGE FORWARD CURRENT (A) 50 NONINDUCTIVE +0.5A DUT (+) 50Vdc (appox) (-) 0 PULSE GENERATOR (NOTE 2) 1 NON INDUCTIVE -0.25A OSCILLOSCOPE (NOTE 1) -1.0A 1cm SET TIME BASE FOR 5/10ns/cm NOTES:1. Rise Time=7ns max. Input Impedance= 1 megohm 22 pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms MAXIMUM FORWARD CURRENT DERATING CURVE 20 16 12 8 4 0 100 50 CASE TEMPERATURE, oC Fig. 4-TYPICAL FORWARD CHARACTERISTICS TYPICAL REVERSE CHARACTERISTICS 1000 o Tj =125 C 100 10 o Tj =25 C 1 0.1 HER801-HER804 10 HE R8 05 INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, ( ) 100 1 HER806-HER808 0.1 0.01 0 20 40 60 80 100 120 0.4 140 JUNCTION CAPACITANCE (pF) PEAK FORWARD SURGE CURRENT (A) 150 8.3ms Single Half Sine Wave JEDEC Method 90 60 30 2 5 10 20 50 1.0 1.2 1.4 1.6 1.8 Fig. 6-TYPICAL JUNCTION CAPACITANCE Fig. 5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 1 0.8 FORWARD VOLTAGE, (V) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 120 0.6 150 120 90 HER801-HER805 60 HER806-HER808 30 0 100 1 NUMBER OF CYCLES AT 60Hz 10 100 200 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 150