The CAP CER 3900PF 16V C0G/NP0 0805 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 3900 pF and operates within a voltage range of 16 volts. The C0G designation indicates that it belongs to the C0G or NP0 class, which is known for its stability over temperature. This component measures 0805 in metric dimensions.