The STY60NK30Z from STMicroelectronics is a MOSFET with Continous Drain Current 60 A, Drain Source Resistance 33 to 45 Milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Through Hole. More details for STY60NK30Z can be seen below.