This is a 0805-sized ceramic capacitor with the part number CAP CER 15PF 200V C0G/NP0. It has a capacitance value of 15 pF ±5 and can withstand a maximum voltage of 200 volts. The C0G or NP0 classification indicates that it is a temperature-compensating type, also known as the NPO (Negative Temperature Coefficient of Resistance) material.