The CAP CER 12PF 250V C0G/NP0 0603 is a specific type of ceramic capacitor. It has a capacitance value of 12 pF and operates at a maximum voltage of 250V, with a tolerance of ±10%. This component is identified as a C0G or NP0 type and has a case size of 0603 (also known as 1608 Metric).