The STH410N4F7-2AG from STMicroelectronics is a MOSFET with Continous Drain Current 200 A, Drain Source Resistance 0.8 to 1.1 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for STH410N4F7-2AG can be seen below.