The NTMFS6H818NT1G from onsemi is a MOSFET with Continous Drain Current 123 A, Drain Source Resistance 3.1 to 5.7 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for NTMFS6H818NT1G can be seen below.