The part number MCASQ21GSB7472MTNA1J corresponds to a CAP CER 4700PF 250V X7R 0805 capacitor. This component is a ceramic capacitor with specific characteristics: a capacitance value of 4700 pF, tolerance of ±20%, and voltage rating of 250V. It has an X7R dielectric and comes in the compact 0805 (2012 Metric) package size.