1N4942G THRU 1N4948G GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER Reverse Voltage - 200 to 1000 Volts Forward Current - 1.0 Ampere Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 High temperature metallurgically bonded construction For use in high frequency rectifier circuits Fast switching for high efficiency Glass passivated cavity-free junction Capable of meeting environmental standards of MIL-S-19500 1.0 ampere operation at TA=55 with no thermal runaway High temperature soldering guaranteed: 350 /10 seconds, 0.375 (9.5mm) lead length, 5 lbs. (2.3Kg) tension Mechanical Data DIMENSIONS Case: DO-41 molded plastic over glass body Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.012 ounce, 0.335 gram inches DIM mm Min. Max. Min. Max. A 0.165 0.205 4.2 5.2 B 0.079 0.106 2.0 2.7 C 0.028 0.034 0.71 0.86 D 1.000 - 25.40 - Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Symbols 1N 4942G 1N 4944G 1N 4946G 1N 4947G 1N 4948G Units Maximum repetitive peak reverse voltage VRRM 200 400 600 800 1000 Volts Maximum RMS voltage VRMS 140 280 420 560 700 Volts Maximum DC blocking voltage VDC 200 400 600 800 1000 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55 I(AV) 1.0 Amp Peak forward surge current 8.3mS single half sine-wave superimposed on rated load (MIL-STD-750D 4066 method) IFSM 25.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.30 Volts IR 1.0 200.0 A Maximum DC reverse current at rated DC blocking voltage TA=25 TA=150 Maximum reverse recovery time (Note 1) Trr Typical junction capacitance (Note 2) CJ Typical thermal resistance (Note 3) Operating junction and storage temperature range R 150 JA TJ, TSTG 250 1 nS F 55.0 /W -65 to +175 Notes: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A (2) Measured at 1.0MHz 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 500 15.0 Note RATINGS AND CHARACTERISTIC CURVES 2