The CAP CER 3.1PF 25V C0G/NP0 01005 is a specific type of ceramic capacitor with the following characteristics: capacitance value of 3.1 pF, tolerance of ±0.25pF, and operating voltage of 25V. It has a C0G (NP0) dielectric and a 01005 case size (also known as 0402 metric).