USF24

RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION USF21 THRU USF24 GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 200 Volts CURRENT 2.0 Amperes FEATURES * * * * * * * High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit DO-15 MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.38 gram .034 (0.9) DIA. .028 (0.7) 1.0 (25.4) MIN. .300 (7.6) .230 (5.8) .140 (3.6) DIA. .104 (2.6) 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. For capacitive load, derate current by 20%. 1.0 (25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Volts Maximum DC Blocking Voltage Maximum Average Forward Current T A = 5 5 oC 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 SYMBOL VRRM VRMS VDC IO I FSM CJ T J , T STG SF21 50 35 50 SF22 100 70 100 2.0 75 15 -55 to + 150 SF23 150 105 150 SF24 200 140 200 UNITS Volts Volts Volts Amps Amps pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Forward Voltage at 2.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage 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. @T A = 2 5 o C @T A = 100 o C SYMBOL VF IR trr SF21 SF22 0.90 10 uAmps 350 20 nSec 2002-4 SF23 SF24 UNITS Volts RATING AND CHARACTERISTIC CURVES ( USF21 THRU USF24 ) AVERAGE FORWARD CURENT, (A) FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 10 NONINDUCTIVE FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE 3.0 2.0 Single Phase Half Wave 60Hz Resistive or Inductive Load trr +0.5A (-) PULSE GENERATOR (NOTE 2) (+) 25 Vdc (approx) (-) D.U.T 0 -0.25A 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 1.0 -1.0A NOTES:1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. 0 0 25 50 75 100 125 150 175 1cm SET TIME BASE FOR 10 ns/cm AMBIENT TEMPERATURE ( ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (uA) INSTANTANEOUS FORWARD CURRENT, (A) FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 100 TJ = 150 10 TJ = 100 10 1.0 1 TJ = 25 .1 TJ = 25 Pulse Width = 300uS 1% Duty Cycle .1 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) PEAK FORWARD SURGE CURRENT, (A) .01 0 .2 .4 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 6 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 105 90 75 60 45 30 15 0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100 8.3ms Single Half Sine-Wave (JEDEC Method) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 TJ = 25 REVERSE VOLTAGE, ( V ) RECTRON