The CAP CER 2.2UF 10V X5R 0402 is a type of ceramic capacitor with specific characteristics and dimensions. This component has a capacitance value of 2.2 microfarads, operates within a voltage range of ±20 volts at 10 volts, and adheres to the X5R temperature coefficient rating. Its physical size is measured in metric (0402) or imperial (1005) units as a standard 0402 package, indicating its compact dimensions suitable for various electronic applications.