The APT30M75SFLL from Microchip Technology is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 75 milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for APT30M75SFLL can be seen below.