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| RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION 1N4942G THRU 1N4948G FAST RECOVERY GLASS PASSIVATED RECTIFIER VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere FEATURES * * * * * High reliability Low leakage Low forward voltage drop Glass passivated junction High switch capability DO-41 MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.35 gram .034 (0.9) DIA. .028 (0.7) 1.0 (25.4) MIN. .205 (5.2) .166 (4.2) .107 (2.7) .080 (2.0) DIA. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. o 1.0 (25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TA = 55 oC Peak Forward Surge Current 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 IFSM CJ TJ, TSTG 1N4942G 200 140 200 1N4944G 400 280 400 1N4946G 600 420 600 1.0 30 15 -65 to + 150 1N4947G 800 560 800 1N4948G 1000 700 1000 UNITS Volts Volts Volts Amps Amps pF 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25 oC Maximum Full Load Reverse Current Full Cycle Average, .375" (9.5mm) lead length at TL = 55 oC 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 SYMBOL VF 1N4942G 1N4944G 1N4946G 1.3 5.0 IR 100 trr 150 250 500 uAmps nSec 2001-6 1N4947G 1N4948G UNITS Volts uAmps RATING AND CHARACTERISTIC CURVES ( 1N4942G THRU 1N4948G ) INSTANTANEOUS FORWARD CURRENT, (A) AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 1.50 1.25 1.00 .75 .50 .25 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( ) SURGE CURRENT Single Phase Half Wave 60Hz Resistive or Inductive Load FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 1.0 TJ = 25 Pulse Width = 300us 1% Duty Cycle .1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 4 - TYPICAL REVERSE CHARACTERISTICS FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD INSTANTANEOUS REVERSE CURRENT, (uA) 50 FORWARD SURGE CURRENT, (A) 20 10 TJ = 125 40 30 1.0 TJ = 75 20 .1 10 8.3ms Single Half Sine-Wave (JEDED Method) TJ = 25 0 1 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60Hz .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 REVERSE VOLTAGE, ( V ) 100 TJ = 25 FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 10 NONINDUCTIVE trr +0.5A (+) 25 Vdc (approx) (-) D.U.T (-) PULSE GENERATOR (NOTE 2) 0 -0.25A 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) -1.0A 1cm SET TIME BASE FOR 50/100 ns/cm 1 NOTES: Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. RECTRON |
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