The part number CAP CER 2.2PF 25V C0G/NP0 01005 corresponds to a specific type of ceramic capacitor. This component is known as a C0G or NP0 capacitor with a capacitance value of 2.2 pF and a tolerance of ±0.25 pF, featuring a maximum operating voltage of 25V. It has the metric size designation of 01005, which translates to a 0402 in imperial measurements.