The CAP CER 11PF 500V C0G/NP0 1111 ceramic capacitor has a capacitance of 11pF with a tolerance of ±1 and a maximum voltage rating of 500V. It is classified as a C0G or NP0 type, which indicates its temperature stability and ability to maintain capacitance within a narrow range across various temperatures. This component is used for applications requiring precise frequency control, filtering, and decoupling in electronic circuits.