The NTTFS4C05NTWG from onsemi is a MOSFET with Continous Drain Current 75 A, Drain Source Resistance 2.9 to 5.1 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 NTTFS4C05NTWG can be seen below.