The MCQ12N10Y from Micro Commercial Components is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 14.5 to 17 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for MCQ12N10Y can be seen below.