1N4942-1N4948 FAST RECOVERY RECTIFIERS DIODES High-reliability discrete products and engineering services since 1977 FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Operating temperature -65 to +175°C Storage temperature -65 to +200°C Power dissipation 1 amp/no heat sink @ 55°C 3 amp/MIL-STD-750 (see figure 2) ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Peak inverse voltage (max.) PIV Breakdown voltage (min) BV @ 50µA Volts Volts 1N4942 200 1N4944 1N4946 Part number Average rectified current IO Amps 55°C 100°C 220 1.0 .750 400 440 1.0 600 660 1.0 1N4947 800 880 1N4948 1000 1100 Forward voltage (max) VF @ 1A Volts Reverse current (max) IR @ PIV µA Capacitance (max) CO @ -12V Surge current (max) (1) IF(surge) Reverse recovery (max) (2)trr pF Amps n sec. 25°C 150°C 1.3 1.0 200 45 15 150 .750 1.3 1.0 200 35 15 150 .750 1.3 1.0 200 25 15 250 1.0 .750 1.3 1.0 200 25 15 250 1.0 .750 1.3 1.0 200 15 15 500 Note 1: TA = 100°C, f = 60Hz, IO = 750mA, 10-8 msec. surges @ 1/minute. Note 2: IF = 0.5A, IRM = 1A, IR(REC) = 0.25A Rev. 20121119 High-reliability discrete products and engineering services since 1977 1N4942-1N4948 FAST RECOVERY RECTIFIERS DIODES MECHANICAL CHARACTERISTICS Case: Digi A Marking: Body painted, alpha-numeric Polarity: Cathode band Rev. 20121119 High-reliability discrete products and engineering services since 1977 1N4942-1N4948 FAST RECOVERY RECTIFIERS DIODES Rev. 20121119