The MCQD08N03A from Micro Commercial Components is a MOSFET with Continous Drain Current 8.5 A, Drain Source Resistance 21 to 32 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.2 V. Tags: Surface Mount. More details for MCQD08N03A can be seen below.