The product is HUFA75337G3, HUFA75337P3, HUFA75337S3S 75A, 55V, 0.014 Ohm, N-Channel UltraFET Power MOSFETs manufactured by Fairchild Semiconductor Corporation. It has outstanding performance and can be used in applications where power efficiency is important, such as switching regulators, switching converters, motor drivers, relay drivers, low-voltage bus switches, and power management in portable and battery-operated products.