The NDT451AN from onsemi is a MOSFET with Continous Drain Current -7.2 to 7.2 A, Drain Source Resistance 30 to 90 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.7 to 3 V. Tags: Surface Mount. More details for NDT451AN can be seen below.