The IXFT340N075T2 from Littelfuse is a MOSFET with Continous Drain Current 340 A, Drain Source Resistance 3.2 Milliohm, Drain Source Breakdown Voltage 75 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for IXFT340N075T2 can be seen below.