The STW75N65DM6-4 from STMicroelectronics is a MOSFET with Continous Drain Current 75 A, Drain Source Resistance 33 to 36 Milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage - 25 to 25 V, Gate Source Threshold Voltage 3.25 to 4.75 V. Tags: Through Hole. More details for STW75N65DM6-4 can be seen below.