The CAP CER 12PF 25V C0G/NP0 0402 is a type of ceramic capacitor. It has a capacitance value of 12 picofarads and operates at a voltage of 25 volts. The "C0G" designation indicates that it belongs to the Class 0 materials group, also known as NP0 (Negative Temperature Coefficient). This capacitor features a small 0402 package size, equivalent to a metric measurement of 1005.