The STP5NK60Z from STMicroelectronics is a MOSFET with Continous Drain Current 5 A, Drain Source Resistance 1200 to 1600 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Through Hole. More details for STP5NK60Z can be seen below.