The component is a 2.2-pF ceramic capacitor with a voltage rating of 300V and a tolerance of ±0.1 pF. It has the designation 0805J3002P20BQT and is manufactured by Adibuja. The capacitor conforms to the C0G/NP0 specification, also known as the NPO (Never-Plastic) or COG type, which has a low temperature coefficient and is stable over a wide range of temperatures.