The IXFN 80N50P from Littelfuse is a MOSFET with Continous Drain Current 66 A, Drain Source Resistance 65 Milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Chassis Mount. More details for IXFN 80N50P can be seen below.