1N4944

1N4942 THRU 1N4948 FAST SWITCHING PLASTIC RECTIFIER VOLTAGE:50 TO 1000V CURRENT: 1.0A FEATURE Molded case feature for auto insertion High current capability Low leakage current High surge capability High temperature soldering guaranteed 250°C/10sec/0.375”lead length at 5 lbs tension Fast switching for high efficiency DO-41\DO-204AL MECHANICAL DATA Terminal:Plated axial leads solderable per MIL-STD 202E, method 208C Case:Molded with UL-94 Class V-0 recognized Flame Retardant Epoxy Polarity:color band denotes cathode Mounting position:any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (single-phase, half -wave, 60HZ, resistive or inductive load rating at 25°C, unless otherwise stated) SYMBOL * Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC blocking Voltage Maximum Average Forward Rectified Current 3/8”lead length at Ta =75°C Peak Forward Surge Current 8.3ms single Half sine-wave superimposed on rated load Maximum Forward Voltage at rated Forward Current and 25°C Maximum DC Reverse Current Ta =25°C at rated DC blocking voltage Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) Storage and Operating Junction Temperature Vrrm Vrms Vdc If(av) Ifsm Vf Ir Trr Cj R(ja) Tstg,Tj 1N 4942 200 140 200 1N 4944 400 280 400 1N 4946 600 420 600 1.0 25.0 1.3 5.0 1N 4947 800 560 800 1N 4948 1000 700 1000 units V V V A A V µA 150 250 15.0 50.0 -50 to +150 500 nS pF °C/W °C Note: 1. Reverse Recovery Condition If =0.5A, Ir =1.0A, Irr =0.25A 2. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc 1 3. Thermal Resistance from Junction to Ambient at 0.375”lead length, P.C. Board Mounted 1 Rev.A4 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948 2 2 Rev.A4 www.gulfsemi.com