The part number is CAP CER 4.7PF 100V C0G/NP0 0505. This represents a specific ceramic capacitor with a capacitance of 4.7 pF and a tolerance of ±0.1 pF, operated at a maximum voltage of 100 volts. The device follows the C0G (or NP0) dielectric material classification and has a case size of 0505 (or 1313 metric).