The CAP CER 27PF 300V C0G/NP0 0603 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 27 picofarads and operates at a voltage of 300 volts. The C0G/NP0 designation refers to the dielectric material used in this component, which is characterized by its stability over temperature. This capacitor is also known as a Class 1 ceramic capacitor, with the "0603" or "1608 Metric" sizes indicating its physical dimensions.