The IXFN44N100P from Littelfuse is a MOSFET with Continous Drain Current 37 A, Drain Source Resistance 220 Milliohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.5 to 6.5 V. Tags: Chassis Mount. More details for IXFN44N100P can be seen below.