The specified component is a 2220-sized ceramic capacitor with the designation CAP CER 12PF 2KV C0G/NP0. It features a capacitance of 12 pF ±1 and can withstand voltages up to 2000V (2kV). This particular capacitor belongs to the C0G, NP0 (1B) class, which is known for its stability and low temperature coefficient.