1N4942 THRU 1N4948 GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER Reverse Voltage - 200 to 1000 Volts * FEATURES DO-204AP ED T EN T PA 0.034 (0.86) 0.028 (0.71) DIA. 1.0 (25.4) MIN. 0.240 (6.1) MAX. 0.150 (3.8) 0.100 (2.5) DIA. Forward Current - 1. 0 Ampere 1.0 (25.4) MIN. High temperature metallurgically bonded construction Hermetically sealed package Glass passivated cavity-free junction 1.0 Ampere operation at TA=55C with no thermal runaway Typical IR less than 0.1A Capable of meeting environmental standards of MIL-S-19500 Fast switching for high efficiency High temperature soldering guaranteed: 350C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension MECHANICAL DATA Dimensions in inches and (millimeters) *Brazed-lead assembly is covered by Patent No. 3,930,306 Case: JEDEC DO-204AP solid glass body Terminals: Solder plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.02 ounce, 0.56 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. SYMBOLS 1N4942 1N4944 1N4946 1N4947 1N4948 UNITS VRRM 200 400 600 800 1000 Volts VRMS 140 280 420 560 700 Volts * Maximum DC blocking voltage VDC 200 400 600 800 1000 Volts * Minimum reverse breakdown voltage at 50A V(BR) 220 440 660 880 1100 Volts * Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55C l(AV) 1.0 Amp * Peak forward surge current 8.3ms single halt sine-wave superimposed on rated load (JEDEC Method) IFSM 25.0 Amps * Maximum instantaneous forward voltage at: 1.0A at 2.0A, TA=-40C VF 1.3 2.5 Volts * Maximum DC reverse current at Rated DC blocking voltage IR 1.0 500.0 A * Maximum recurrent peak reverse voltage Maximum RMS voltage TA=25C TA=175C * Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) * Operating junction and storage temperature range trr 150 250 500 ns CJ 15.0 pF RJA 55.0 C/W TJ, TSTG -65 to +175 C NOTES: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=25A (2) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (3) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted *JEDEC registered values RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948 FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG. 1 - FORWARD CURRENT DERATING CURVE 30 RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH 0.75 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 1.0 0.5 0.25 0 25 50 75 100 125 150 TJ=TJ max. 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 20 10 0 175 1 100 10 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60 Hz FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 20 10 1 TJ=25C PULSE WIDTH=300s 1% DUTY CYCLE 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 10 TJ=25C 1 TJ=75C 0.1 1.6 TJ=25C 0.01 0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 20 40 60 80 PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF 30 TJ =25C f=1.0 MHZ Vsig=50mVp-p 10 1 1 10 REVERSE VOLTAGE, VOLTS 100 100