USF81 RECTRON THRU SEMICONDUCTOR TECHNICAL SPECIFICATION USF84 GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 200 Volts CURRENT 8.0 Amperes FEATURES * * * * * * * High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit TO-220A MECHANICAL DATA * * * * * Case: TO-220 Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 2.24 grams .108 (2.75) .153 (3.9) .146 (3.7) .413 (10.5) .374 (9.5) .187 (4.7) .148 (3.8) .053 (1.3) .047 (1.2) .270 (6.9) .230 (5.8) .610 (15.5) .583 (14.8) .04MAX. (1.0) .157 (4.0) .583 (14.8) .531 (13.5) .051 (1.3) .035 (0.9) .028 (0.7) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. .022 (0.56) .014 (0.36) .126 (3.2) .102 (2.6) .091 (2.3) For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL USF81 USF82 USF83 USF84 UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 50 100 150 200 Volts Maximum RMS Volts VRMS 35 70 105 140 Volts VDC 50 100 150 200 Volts Maximum DC Blocking Voltage Maximum Average Forward Current at T C = 100 o C Peak Forward Surge Current IFM (surge):8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range IO 8.0 Amps I FSM 150 Amps CJ 45 T J , T STG -55 to + 150 pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Forward Voltage at 8.0A DC SYMBOL VF Maximum DC Reverse Current @T A = 25 o C at Rated DC Blocking Voltage @T A =100 o C Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: IF=0.5A, IR=-1.0A, IRR=-0.25A. 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts. IR USF81 USF82 USF83 0.95 10 USF84 UNITS Volts uAmps 500 trr 20 nSec 2002-7 RATING AND CHARACTERISTIC CURVES ( USF81 THRU USF84 ) FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 10 NONINDUCTIVE AVERAGE FORWARD CURENT, (A) FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE trr +0.5A (-) D.U.T (+) 25 Vdc (approx) (-) 0 PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) -0.25A (+) -1.0A 1cm NOTES:1 Rise Time = 7ns max. Input Impedance = SET TIME BASE FOR 10 ns/cm 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, (uA) TJ = 150 10 TJ = 100 1.0 TJ = 25 .1 Single Phase Half Wave 60Hz Resistive or Inductive Load 10 8 6 4 2 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( 100 10 TJ = 25 1 Pulse Width = 300uS 1% Duty Cycle .1 .01 .01 0 20 40 60 80 100 120 0 140 JUNCTION CAPACITANCE, (pF) 150 8.3ms Single Half Sine-Wave (JEDEC Method) 125 100 75 50 25 0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100 .4 .6 .8 1.0 1.2 1.4 FIG. 6 - TYPICAL JUNCTION CAPACITANCE FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 .2 INSTANTANEOUS FORWARD VOLTAGE, (V) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) PEAK FORWARD SURGE CURRENT, (A) 12 FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 14 200 100 60 40 20 10 TJ = 25 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, ( V ) RECTRON )