1N4942G RECTRON THRU SEMICONDUCTOR TECHNICAL SPECIFICATION 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 1.0 (25.4) MIN. .205 (5.2) .166 (4.2) .034 (0.9) DIA. .028 (0.7) .107 (2.7) .080 (2.0) DIA. 1.0 (25.4) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS o 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%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL 1N4942G 1N4944G 1N4946G 1N4947G 1N4948G UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 140 280 420 560 700 Volts VDC 200 400 600 800 1000 Volts Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A = 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 IO 1.0 Amps I FSM 30 Amps CJ 15 pF T J , T STG -55 to + 150 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 T L = 55 oC Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, I RR = -0.25A 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts SYMBOL VF 1N4942G 1N4944G 1N4946G 1.3 1N4947G 1N4948G 5.0 UNITS Volts uAmps IR 100 trr 150 uAmps 250 500 nSec 2002-11 FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE INSTANTANEOUS FORWARD CURRENT, (A) AVERAGE FORWARD CURRENT, (A) RATING AND CHARACTERISTIC CURVES ( 1N4942G THRU 1N4948G ) 1.50 1.25 1.00 .75 .50 Single Phase Half Wave 60Hz Resistive or Inductive Load .25 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( ) FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 TJ = 25 1.0 Pulse Width = 300us 1% Duty Cycle .1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD FIG. 4 - TYPICAL REVERSE CHARACTERISTICS SURGE CURRENT INSTANTANEOUS REVERSE CURRENT, (uA) FORWARD SURGE CURRENT, (A) 50 40 30 20 10 8.3ms Single Half Sine-Wave (JEDED Method) 0 10 TJ = 125 1.0 TJ = 75 .1 TJ = 25 .01 1 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60Hz FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) 20 200 60 40 (+) 25 Vdc (approx) (-) 20 10 6 4 TJ = 25 20 40 60 80 100 120 140 FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 50 NONINDUCTIVE 100 10 NONINDUCTIVE trr +0.5A (-) D.U.T PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) -1.0A 1cm NOTES:1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms. 2 1 .1 0 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) .2 .4 1.0 2 4 10 20 40 REVERSE VOLTAGE, ( V ) SET TIME BASE FOR 50/100 ns/cm 100 RECTRON