The IXFT46N30T from Littelfuse is a MOSFET with Continous Drain Current 46 A, Drain Source Resistance 80 Milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for IXFT46N30T can be seen below.