A radial ceramic capacitor with the designation CAP CER 39PF 100V C0G/NP0. It has a capacitance value of 39 picofarads and is rated for operation at voltages up to 100 volts. The capacitor's dielectric material is specified as C0G or NP0, which indicates that it is a temperature-compensating ceramic type with a high stability over a wide range of temperatures.