The NVTFS4C08NTWG from onsemi is a MOSFET with Continous Drain Current 55 A, Drain Source Resistance 4.7 to 9 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.2 V. Tags: Surface Mount. More details for NVTFS4C08NTWG can be seen below.