The MCG20P03 from Micro Commercial Components is a MOSFET with Continous Drain Current -20 A, Drain Source Resistance 13.5 to 27 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 MCG20P03 can be seen below.