The CAP CER 39PF 2KV C0G/NP0 1825 is a specific type of ceramic capacitor. It has a capacitance value of 39 pF ±10 and can withstand a voltage of up to 2000V (2kV). The C0G designation refers to its temperature stability, while the NP0 classification indicates it falls within the 1B category. This capacitor is available in the metric size 1825, which corresponds to the part number 4564.