The STB42N60M2-EP from STMicroelectronics is a MOSFET with Continous Drain Current 34 A, Drain Source Resistance 76 to 87 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage - 25 to 25 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for STB42N60M2-EP can be seen below.