The STL10N3LLH5 from STMicroelectronics is a MOSFET with Continous Drain Current 6 to 9 A, Drain Source Resistance 15 to 22 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage 22 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for STL10N3LLH5 can be seen below.