The IXTA56N15T from Littelfuse is a MOSFET with Continous Drain Current 56 A, Drain Source Resistance 36 Milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for IXTA56N15T can be seen below.