A ceramic capacitor with the designation CAP CER 39PF 100V C0G/NP0 0603 has specific characteristics. It features a capacitance value of 39 pF ±2 and can withstand voltages up to 100V. The capacitor is classified as C0G, also known as NP0, which indicates its temperature-stable nature, and it comes in the metric size 1608 (0603 in imperial measurements).