The NVMFWS0D5N04XM from onsemi is a MOSFET with Continous Drain Current 423 A, Drain Source Resistance 0.47 to 0.52 milliohm, 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 NVMFWS0D5N04XM can be seen below.