The CAP CER 820PF 500V C0G/NP0 1210 is a specific type of ceramic capacitor. It has a capacitance value of 820 pF with a tolerance of ±5% and can withstand a maximum voltage of 500V. This component is part of the C0G/NP0 series, also known as NP0 or NPO capacitors, which are known for their stable temperature characteristics and low dielectric losses. The 1210 designation refers to its metric case size, specifically 3.2 mm x 1.25 mm (3225 in metric).