The CAP CER 12PF 63V C0G/NP0 0805 is a type of ceramic capacitor with a capacitance value of 12 pF and a voltage rating of 63V. It falls under the C0G/NP0 category, which is a specific type of ceramic material known for its stability and low loss properties. The capacitor has an 0805 or 2012 metric size, making it suitable for various applications.