The STB9NK60Z from STMicroelectronics is a MOSFET with Continous Drain Current 7 A, Drain Source Resistance 850 to 950 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Surface Mount. More details for STB9NK60Z can be seen below.