A CAP CER 91PF 250V C0G/NP0 1111 ceramic capacitor features a capacitance of 91 picofarads with an accuracy rating of ±1%, suitable for applications requiring stable voltage up to 250 volts. It has a C0G, or NP0, temperature coefficient classification and is marked with the code '1111' in accordance with the International Organization for Standardization (ISO) metric system.