The STP180N4F6 from STMicroelectronics is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 2.1 to 2.7 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Through Hole. More details for STP180N4F6 can be seen below.