The NVD3055L170T4G from onsemi is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 153 to 170 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -15 to 15 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for NVD3055L170T4G can be seen below.