The IXFN 44N60 from Littelfuse is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 130 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Chassis Mount. More details for IXFN 44N60 can be seen below.