The specified capacitor is a type of ceramic capacitor with the designation CAP CER 1.3PF 300V C0G/NP0 0505. It has a capacitance value of 1.3 pF with a tolerance of ±0.5 pF and can withstand a maximum voltage of 300 volts. The designator C0G/NP0 refers to its temperature stability, while the metric designation (1313) indicates its case size.