The STL117N4LF7AG from STMicroelectronics is a MOSFET with Continous Drain Current 119 A, Drain Source Resistance 2.5 to 5 Milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for STL117N4LF7AG can be seen below.