The IXFK44N80P from Littelfuse is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 190 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 IXFK44N80P can be seen below.