The IXFB44N100P from Littelfuse is a MOSFET with Continous Drain Current 44 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: Through Hole. More details for IXFB44N100P can be seen below.