The NTMFWS1D5N08XT1G from onsemi is a MOSFET with Continous Drain Current 179 to 253 A, Drain Source Resistance 1.24 to 2.5 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.4 to 3.6 V. Tags: Surface Mount. More details for NTMFWS1D5N08XT1G can be seen below.