The CAP CER 12PF 1KV C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 12 pF and a tolerance of ±10%. This capacitor is rated for high voltage applications, with a maximum voltage rating of 1000V or 1kV. The C0G designation indicates that it belongs to the C0G class of ceramic capacitors, also known as NP0 (1B) type. In metric terms, this capacitor has an identification code of 4532.