A ceramic capacitor with a capacitance of 20 pF and a voltage rating of 100V is available in the CAP CER 20PF 100V C0G/NP0 0603 format. It measures 0603, which is equivalent to 1608 metric and has a tolerance of ±1pF. The capacitor belongs to the C0G, NP0 category, making it suitable for various applications requiring stability and reliability.