The specified capacitor is a CAP CER 5.6PF 1KV C0G/NP0 type, with dimensions of 1210 or the equivalent metric size of 3225. It has a capacitance value of 5.6 pF and a tolerance of ±0.1 pF, while supporting a maximum working voltage of 1000V (1kV). This capacitor belongs to the C0G/NP0 classification, which is commonly used for its stability and precise characteristics, often indicated by the suffix '1B'.