A 0.68 pF, ±5% tolerance ceramic capacitor with a working voltage of 100 volts is described as the CAP CER 0.68PF 100V NP0 0603. This component is classified as a C0G or NP0 type, which signifies its temperature stability and low loss characteristics in applications such as decoupling and filtering circuits. The metric designation 1608 equates to the 0603 (3216) in Imperial measurements, indicating its compact size suitable for surface mount and other high-density applications.