The NTTFS5C670NLTWG from onsemi is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 5.4 to 9.1 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for NTTFS5C670NLTWG can be seen below.