The CAP CER 4PF 25V C0G/NP0 01005 is a type of ceramic capacitor with specific electrical properties. It has a capacitance value of 4 picofarads and a tolerance of ±0.25 pF, along with a voltage rating of 25 volts. This component adheres to the C0G (NP0) designation for its temperature coefficient and stability characteristics. Its compact size is suitable for use in various applications due to being a 01005 (0402 Metric) package.