The NTTFD4D1N03P1E from onsemi is a MOSFET with Continous Drain Current 54 A, Drain Source Resistance 2.9 to 5.4 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -16 to 16 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for NTTFD4D1N03P1E can be seen below.