This is a high-capacity ceramic capacitor with the designation CAP CER 3PF 2KV C0G/NP0 1206. It has a capacitance of 3 pF and a tolerance of ±0.05 pF, making it suitable for applications requiring precise capacitance values. The capacitor is rated at 2000V (2kV), indicating its high voltage resistance. It conforms to the C0G/NP0 specification, which is known for its excellent stability over temperature.