1N4942G THRU 1N4948G 1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT 1.0 Ampere FEATURES * Low forward voltage drop * Low leakage current * High reliability * High current capability DO-41 .107(2.7) .080(2.0) DIA. 1.0(25.4) MIN. * Glass passivated junction MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any .205(5.2) .166(4.2) 1.0(25.4) MIN. .034(.9) .028(.7) DIA. * Weight: 0.34 grams Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 1N4942G 1N4944G 1N4946G 1N4947G 200 140 200 400 280 400 600 420 600 800 560 800 1N4948G UNITS V 1000 V 700 V 1000 .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave 1.0 A superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C 30 1.3 5.0 A V mA at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 100 150 250 -65 15 +175 500 mA nS pF C RATING AND CHARACTERISTIC CURVES (1N4942G THRU 1N4948G) FIG.1-TYPICAL FORWARD FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) CHARACTERISTICS 10 3.0 1.0 1.2 1.0 0.8 Single Phase 0.6 Half Wave 60Hz Resistive Or Inductive Load 0.4 0.375"(9.5mm) Lead Length 0.2 0 20 40 Tj=25 C 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE ( C) Pulse Width 300us 1% Duty Cycle 0.1 .01 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE,(V) FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50W NONINDUCTIVE 10W NONINDUCTIVE ( ) (+) D.U.T. 25Vdc (approx.) PEAK FORWARD SURGE CURRENT,(A) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PULSE GENERATOR (NOTE 2) ( ) 30 24 18 Sine Wave 12 JEDEC method 6 1 5 (+) 1W NONINDUCTIVE 2. Rise Time= 10ns max., Source Impedance= 50 ohms. | | | | | | | | 0 -0.25A 100 FIG.5-TYPICAL JUNCTION CAPACITANCE NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. +0.5A 50 10 NUMBER OF CYCLES AT 60Hz OSCILLISCOPE (NOTE 1) trr 8.3ms Single Half Tj=25 C 0 35 JUNCTION CAPACITANCE,(pF) INSTANTANEOUS FORWARD CURRENT,(A) 50 30 25 20 15 10 5 0 -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm .01 .05 .1 .5 1 REVERSE VOLTAGE,(V) 5 10 50 100