The IRF9540PBF is a medium voltage, power MOSFET from Vishay Siliconix. It is a standard level, N-channel enhancement mode device that is designed for use in power switching circuits as well as analog switching and chopper circuits. It has Typical Raod ID RDS(on) of 0.020 Ohm, 45A avalanche current rating, Low gate charge Qg, and low leakage current. This device is rated for 20V to 100V VDS with 245mO (Typical Rdson) on/off resistance. It is housed in a TO-220AB package and can be used in a variety of applications, such as switch mode power supplies, power management, motor controls, and amplifiers.