High-reliability discrete products and engineering services since 1977 1N4444 SWITCHING RECTIFIER 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 Symbol Value Unit Peak repetitive reverse voltage Rating VRRM 70 V Peak working reverse voltage VRWM 50 V Average forward current IO 200 mA Forward steady-state current IF 250 mA if 600 mA IFSM 4000 mA PD 500 mW TJ, Tstg -65 to +200 °C Recurrent peak forward current Peak forward surge current (1.0µs pulse) Power dissipation Operating and storage temperature range ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Parameter Symbol Test Condition Min Max Unit Reverse current IR VR = 50V - 50 nA Reverse current IR VR = 50V, TA = 150°C - 50 µA BVR IR = 5.0µA 70 - V IF = 0.1mA 0.440 0.550 IF = 1.0mA 0.560 0.680 IF = 10mA 0.690 0.820 IF = 100mA 0.850 1.0 Breakdown voltage Forward voltage VF V Capacitance C VR = 0V - 2.0 pF Reverse recovery time trr IF = IR = 10mA, Recover to 1.0mA - 7.0 ns Rev. 20121218 High-reliability discrete products and engineering services since 1977 1N4444 SWITCHING RECTIFIER MECHANICAL CHARACTERISTICS Case: DO-35 Marking: Body painted, alpha-numeric Polarity: Cathode band Rev. 20121218