The part number CAP CER 10000PF 250V C0G 1206 refers to a specific type of ceramic capacitor with the following characteristics: it has a capacitance value of 10,000 picofarads, operates at a maximum voltage of 250 volts, and is classified as C0G or NP0 material. The designation "1206" corresponds to its metric size, which is equivalent to the 3216 size in the imperial system.