The FDC6420C from onsemi is a MOSFET with Continous Drain Current -2.2 to 3 A, Drain Source Resistance 50 to 190 milliohm, Drain Source Breakdown Voltage -20 to 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.5 V. Tags: Surface Mount. More details for FDC6420C can be seen below.