The NVD5C478NLT4G from onsemi is a MOSFET with Continous Drain Current 45 A, Drain Source Resistance 6.4 to 11.8 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for NVD5C478NLT4G can be seen below.