The STP34NM60N from STMicroelectronics is a MOSFET with Continous Drain Current 31.5 A, Drain Source Resistance 92 to 105 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage - 25 to 25 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for STP34NM60N can be seen below.