The APT41M80B2 from Microchip Technology is a MOSFET with Continous Drain Current 43 A, Drain Source Resistance 210 milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for APT41M80B2 can be seen below.