The part number is 0603Y0504P70BFR, which corresponds to a ceramic capacitor with the following specifications: capacitance of 4.7 pF, tolerance of ±0.1 pF, and voltage rating of 50V. It belongs to the C0G or NP0 type, with a metric package size of 0603 (also known as 1608). This component is available from Adibuja.