The MCMN2012A from Micro Commercial Components is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 9.5 to 30 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 0.35 to 1 V. Tags: Surface Mount. More details for MCMN2012A can be seen below.