1N4942 THRU 1N4948 FAST SWITCHING PLASTIC RECTIFIER Reverse Voltage - 200 to 1000 Volts Forward Current - 1.0 Ampere Features High temperature metallurgically bonded construction Hermetically sealed package 1.0 ampere operation at TA=55 with no thermal runaway Typical IR less than 0.1 A Capable of meeting environmental standards of MIL-S-19500 Fast switching for high efficiency High temperature soldering guaranteed: 350 /10 seconds, 0.375 (9.5mm) lead length, 5 lbs. (2.3Kg) tension Mechanical Data DIM ENSIONS Case: DO-41 solid plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode Weight: 0.012 ounce, 0.33 gram DIM inches 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 - Note Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Symbols 1N4942 1N4944 1N4946 1N4947 1N4948 Units Volts Maximum repetitive peak reverse voltage VRRM 200 400 600 800 1000 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 at: 2.0A, TA=40 VF 1.3 2.5 Volts Maximum DC reverse current at rated DC blocking voltage IR 1.0 500.0 TA=25 TA=175 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 A 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 RATINGS AND CHARACTERISTIC CURVES 2