A CAP CER 3900 PF 50V C0G/NP0 1206 is a type of ceramic capacitor. It has a capacitance value of 3900 pF and operates at 50V with a tolerance of ±5%. The capacitor is designed as C0G or NP0, which refers to its temperature-stable characteristics. This component is available in the 1206 (3216 Metric) package size.