The NVD5C668NLT4G from onsemi is a MOSFET with Continous Drain Current 49 A, Drain Source Resistance 7.4 to 12.8 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.1 V. Tags: Surface Mount. More details for NVD5C668NLT4G can be seen below.