A ceramic capacitor with the following specifications: CAP CER 10PF 1KV C0G/NP0 1210 - a capacitance of 10 pF ±2 and a voltage rating of 1000V (1kV). It has a 1210 case size, also known as a 3225 metric package. The capacitor is classified as a C0G or NP0 type, which belongs to the category of 1B ceramics.