A capacitor with the designation CAP CER 39PF 10V C0G/NP0 0402 is specified for a capacitance of 39 picofarads and an operating voltage of 10 volts. It has a ceramic dielectric material with a C0G or NP0 classification, indicating a stable temperature characteristic. The capacitor's package size corresponds to the 0402 (1005 metric) designation.