The part number MCASU105SCG080DFNA01 refers to a specific CAP CER 8PF 50V C0G/NP0 0402 ceramic capacitor from the manufacturer Adibuja. This component has an approximate capacitance of 8 pF, with a tolerance of ±0.5 pF and a maximum operating voltage of 50 volts. It is housed in a compact 0402 (1005 metric) package, which is suitable for various electronic applications requiring small form factor components.