The CAP CER 3900PF 16V C0G/NP0 2220 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 3900 pF and operates at a voltage of 16 volts. This component features a C0G or NP0 dielectric, which is known for its stable temperature-dependent capacitance and low losses. The designation "1B" indicates the tolerance range, while "2220" refers to the metric dimensions in millimeters (5.7 x 2.5 mm).