1N4944G

1N4942G THRU 1N4948G 1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 1000 Volts CURRENT FEATURES * Low forward voltage drop * Low leakage current * High reliability * High current capability * Glass passivated junction 1.0 Ampere DO-41 .107(2.7) .080(2.0) DIA. 1.0(25.4) MIN. 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 * Weight: 0.34 grams .205(5.2) .166(4.2) .034(.9) .028(.7) DIA. 1.0(25.4) MIN. 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 .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current Ta=25 C 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: 1N4942G 200 140 200 1N4944G 400 280 400 1N4946G 600 420 600 1.0 30 1.3 5.0 100 1N4947G 800 560 800 1N4948G UNITS V 1000 V 700 V 1000 A A V µA 150 -65 250 15 +175 500 µA nS pF C 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. 194 RATING AND CHARACTERISTIC CURVES (1N4942G THRU 1N4948G) FIG.1-TYPICAL FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT,(A) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 50 INSTANTANEOUS FORWARD CURRENT,(A) 1.2 1.0 0.8 0.6 0.4 0.2 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 10 3.0 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0 20 40 60 80 100 120 140 160 180 200 AMBIENT TEMPERATURE ( C) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT,(A) 30 0.1 .01 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE,(V) 24 FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS 50Ω NONINDUCTIVE 10Ω NONINDUCTIVE 18 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 12 6 (+) 25Vdc (approx.) () 1Ω NONINDUCTIVE OSCILLISCOPE (NOTE 1) D.U.T. () PULSE GENERATOR (NOTE 2) (+) 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.5-TYPICAL JUNCTION CAPACITANCE 35 30 25 20 15 10 5 0 trr +0.5A | | | | | | | | 0 -0.25A -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm JUNCTION CAPACITANCE,(pF) .01 .05 .1 .5 1 5 10 50 100 REVERSE VOLTAGE,(V) 195