The CAP CER 220PF 100V C0G/NP0 1812 is a 220 picofarad capacitor with a tolerance of ±10% and a voltage rating of 100 volts. It is a ceramic capacitor classified as C0G or NP0, which is a type designated by the IEC 60063 standard. The code "1B" indicates that it belongs to the first batch of this specific capacitor type. In metric terms, its size is 4532.