The STL12N10F7 from STMicroelectronics is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 11.3 to 13.3 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for STL12N10F7 can be seen below.