A ceramic capacitor with the designation CAP CER 91PF 250V C0G/NP0 0603 has a capacitance value of 91 pF and is rated at ±5% tolerance. It operates within a voltage range of 250 volts. The component conforms to the C0G (NP0) specification and is packaged in a 0603 size, which corresponds to the metric designation 1608.