The IXTA42N15T from Littelfuse is a MOSFET with Continous Drain Current 42 A, Drain Source Resistance 45 Milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for IXTA42N15T can be seen below.