FS5KM-9 is a N-channel power MOSFET from Mitsubishi Electric. It has a maximum on-resistance of 1.4 ohms, a rated current of 5 amps, and an isolation voltage of 2000 volts. The device is suitable for use in switching power supplies, DC-DC converters, battery chargers, printers, copiers, HDDs, FDDs, televisions, VCRs, and personal computers.