The CAP CER 12PF 1KV C0G/NP0 0805 is a specific type of ceramic capacitor with the following characteristics: it has a capacitance value of 12 picofarads and a tolerance of ±5%, a voltage rating of 1000V, and a case size of 0805 (also known as 2012 Metric). This capacitor falls under the C0G/NP0 classification, which indicates that it is part of the NP0 temperature coefficient class.