The NTMFS4C029NT3G from onsemi is a MOSFET with Continous Drain Current 6.2 to 46 A, Drain Source Resistance 4.9 to 9 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.2 V. Tags: Surface Mount. More details for NTMFS4C029NT3G can be seen below.