The RC0805FR-072K21L is a 0805 (2012 metric) chip resistor manufactured by Yageo. This resistor has a resistance value of 2.21 kOhms ±1%, a power rating of 0.125W, and a tolerance of ±1%. This component is a thick film moisture resistant resistor that is useful for applications that require resistance to humidity, oxidation, and thermal shock. It is commonly used for projects in the automotive, telecom, industrial, medical, and consumer electronics industries.