The CAP CER 680PF 63V C0G/NP0 0805 is a type of ceramic capacitor. It has a capacitance value of 680 picofarads and can handle voltages up to 63 volts. The C0G/NP0 designation indicates that it is part of the C0G (also known as NP0) dielectric class, which is known for its high stability and low loss characteristics. This capacitor comes in a metric package size of 0805.