The CAP CER 39PF 1KV C0G/NP0 1206 is a type of ceramic capacitor with specific properties. It has a capacitance value of 39 pF ±5% and a voltage rating of 1000V (1kV). This component is classified as a C0G/NP0 ceramic capacitor, which falls under the 1206 package size also known as metric 3216.