The NVTYS004N04CTWG from onsemi is a MOSFET with Continous Drain Current 78 A, Drain Source Resistance 4 to 4.1 mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Surface Mount. More details for NVTYS004N04CTWG can be seen below.