A ceramic capacitor with the designator CAP CER 9.9PF 25V C0G/NP0 01005 has a capacitance of 9.9 pF and is rated for operation at 25 volts. It is designed as a type C0G, also known as NP0, which stands for Negative Positive Temperature Coefficient, and it measures 01005 in metric (0402) size.