The IXTP300N04T2 from Littelfuse is a MOSFET with Continous Drain Current 300 A, Drain Source Resistance 2.5 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IXTP300N04T2 can be seen below.