The part number is CAP CER 2200PF 100V C0G/NP0 2225. It is a 2200 picofarad ceramic capacitor with a voltage rating of 100 volts and a tolerance of ±1%. The capacitor meets the C0G (NP0) specification, which indicates that it has a stable temperature coefficient, typically used in applications requiring precise capacitance over a wide range of temperatures.