The MCQ4953 from Micro Commercial Components is a MOSFET with Continous Drain Current -5 A, Drain Source Resistance 50 to 90 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for MCQ4953 can be seen below.