The IXTA150N15X4-7 from Littelfuse is a MOSFET with Continous Drain Current 150 A, Drain Source Resistance 6.9 Milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for IXTA150N15X4-7 can be seen below.