The MCT03N06 from Micro Commercial Components is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 105 to 125 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.5 to 2 V. Tags: Surface Mount. More details for MCT03N06 can be seen below.