The FDH44N50 is a 44A, 500V, 0.12 Ohm, N-channel SMPS power MOSFET that is used in PFC Boost, Two-Switch Forward Converter, Single Switch Forward Converter, Flyback Converter, Buck Converter, and other high-speed switching power supplies.
The document describes the Fairchild FDH44N50, an N-Channel SMPS Power MOSFET rated for 44A continuous drain current and 500V drain-to-source voltage. It is designed for use in various switch mode power supply topologies, including PFC Boost, Forward Converters, Flyback Converters, and Buck Converters.
| Drain to Source Voltage | 500 V |
|---|---|
| Continuous Drain Current (Tj = 25°C) | 44 A |
| Power Dissipation | 750 W |
| Operating Junction Temperature | -55 to 175 °C |
| Thermal Resistance Junction to Case | 0.2 °C/W |
| Package Type | TO-247 |
It is suitable for Switch Mode Power Supplies (SMPS) such as PFC Boost, Two-Switch Forward Converter, Single Switch Forward Converter, Flyback Converter, and Buck Converter.
The device is rated for a maximum junction temperature of 175°C.