The NTD3055L104T4G from onsemi is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 89 to 104 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -15 to 15 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for NTD3055L104T4G can be seen below.