The CAP CER 390PF 630V C0G/NP0 is a type of ceramic capacitor. It has a capacitance value of 390 pF and operates within the range of ±10% of its specified value. The capacitor can withstand a maximum voltage rating of 630 volts. Its designations C0G and NP0 indicate that it belongs to the C0G (Class I) and NP0 (General Purpose) categories, respectively. The 1210 designation refers to its physical dimensions, while the metric equivalent is 3225.