The specified capacitor is a CAP CER 3PF 500V C0G/NP0 with the designation 1111 and dimensions suitable for 2828 metric packages. It has a capacitance of 3pF, an accuracy tolerance of ±0.1pF, and can withstand a maximum voltage of 500V. This is a ceramic capacitor classified as C0G or NP0 type (1B).