The STD11N60DM2 from STMicroelectronics is a MOSFET with Continous Drain Current 10 A, Drain Source Resistance 370 to 420 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage - 25 to 25 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for STD11N60DM2 can be seen below.