The IXFN230N20T from Littelfuse is a MOSFET with Continous Drain Current 220 A, Drain Source Resistance 7.5 Milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Chassis Mount. More details for IXFN230N20T can be seen below.