The STD15N60M2-EP from STMicroelectronics is a MOSFET with Continous Drain Current 11 A, Drain Source Resistance 340 to 378 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage - 25 to 25 V, Gate Source Threshold Voltage 3.25 to 4.75 V. Tags: Surface Mount. More details for STD15N60M2-EP can be seen below.