The NTMYS4D5N04CTWG from onsemi is a MOSFET with Continous Drain Current 80 A, Drain Source Resistance 3.6 to 4.5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Surface Mount. More details for NTMYS4D5N04CTWG can be seen below.