This is a 2.2 microfarad ceramic capacitor, part number CAP CER 2.2UF 25V X5R 0603. It has a capacitance value of 2.2 microfarads and operates at a voltage rating of 25 volts. The type is X5R, which indicates its temperature coefficient and stability characteristics. It is packaged in the metric size 1608 (which corresponds to the 0603 designation).