The part number is 0603Y2000271JET. This refers to a ceramic capacitor with the following specifications: capacitance value of 270 picofarads, tolerance of ±5%, and voltage rating of 200 volts. The capacitor is classified as X7R, indicating it has a high dielectric constant and stable temperature characteristics in both low and high frequencies. It uses the metric packaging size of 0603 (1608 in imperial measurements), making it suitable for compact electronic applications.