The part number CAP CER 1000PF 50V C0G/NP0 0603 refers to a specific type of ceramic capacitor with the following characteristics: • Capacitance value: 1000 pF • Tolerance: ±5% • Voltage rating: 50V • Dielectric material: C0G, NP0 (a stable and temperature-compensating ceramic) • Package size: 0603 (metric equivalent of 1608)