The NTTFS4C13NTWG from onsemi is a MOSFET with Continous Drain Current 38 A, Drain Source Resistance 7.5 to 14 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.1 V. Tags: Surface Mount. More details for NTTFS4C13NTWG can be seen below.