A ceramic capacitor with the designation CAP CER 18PF 25V C0G/NP0 0603 features a capacitance of 18 picofarads and operates within a range of ±2% at a voltage rating of 25 volts. It is designed to meet the specifications for C0G or NP0 type ceramic capacitors, with a metric package size of 1608 (0603 in imperial measurements).