The CAP CER 12PF 10V C0G/NP0 1812 is a type of ceramic capacitor. It has a capacitance value of 12 picofarads (pF) and can operate at a voltage of up to 10 volts. The C0G and NP0 designations refer to the specific characteristics of this capacitor, with C0G indicating that it has a stable temperature coefficient and NP0 signifying its ability to maintain a consistent capacitance value over a range of temperatures. This component is packaged in an 1812 (4532 metric) case size.