A ceramic capacitor with the designation CAP CER 3.9PF 63V C0G/NP0 0603 has specific capacitance and voltage ratings. It features a capacitance of 3.9 pF with ±0.25pF tolerance, supports up to 63V operating voltage, and is housed in the 0603 (1608 metric) case size, conforming to C0G/NP0 dielectric material specifications.