The IXFN74N100X from Littelfuse is a MOSFET with Continous Drain Current 74 A, Drain Source Resistance 66 Milliohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.5 to 5.5 V. Tags: Chassis Mount. More details for IXFN74N100X can be seen below.