1N4942G thru 1N4948G Glass Passivated Fast Recovery Rectifiers Reverse Voltage 200 to 1000 Volts Forward Current 1.0 Ampere Features Plastic package has Underwriters Laboratories Flammability Classification 94V-0 High temperature metallurgically bonded construction For use in high frequency rectifier circuits Fast switching for high efficiency Cavity-free glass passivated junction Capable of meeting environmental standards of MIL-S-19500 1.0 Ampere operation at TA=55oC with no thermal runaway High temperature soldering guaranteed: 350oC/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension Mechanical Data Case: JEDEC DO-204AL (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 Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Parameter 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 V DC 200 400 600 800 1000 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55oC IF(AV) 1.0 Amp Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 25.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.3 Volts IR 1.0 200 uA Maximum DC reverse current at rated DC blocking voltage @TA=25oC @TA=150oC Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A trr Typical junction capacitance at 4.0V, 1MHz CJ Typical thermal resistance (Note 1) Operating junction temperature range Storage temperature range Notes: 150 250 500 nS 15 pF o RθJA 55 TJ -55 to +150 o C -55 to +150 o C TSTG 1. Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted 85 C/W RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 86