The NDT3055L from onsemi is a MOSFET with Continous Drain Current 4 A, Drain Source Resistance 70 to 180 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.7 to 2 V. Tags: Surface Mount. More details for NDT3055L can be seen below.