The APT20M34SFLL from Microchip Technology is a MOSFET with Continous Drain Current 74 A, Drain Source Resistance 34 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for APT20M34SFLL can be seen below.