The part number CAP CER 13PF 250V C0G/NP0 0603 refers to a 13 picofarad ceramic capacitor with a tolerance of ±2% and a maximum voltage rating of 250 volts. It is manufactured using the C0G (NP0) dielectric material, which has a very stable capacitance value over temperature changes. This capacitor has a small 0603 (1608 metric) case size.