The capacitor in question is a CAP CER 300PF 63V C0G/NP0 0505, specifically designed to provide 300 picofarads of capacitance with an accuracy of ±5. It operates within a voltage range of up to 63 volts and features a ceramic construction with the C0G/NP0 specifications for temperature stability. The metric size designation is 1313, indicating dimensions that fit this particular format.