The NTD14N03RT4G from onsemi is a MOSFET with Continous Drain Current 14 A, Drain Source Resistance 70.4 to 130 milliohm, Drain Source Breakdown Voltage 25 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for NTD14N03RT4G can be seen below.