The ERJ-2RKF2213X is a Thick Film Resistor manufactured by Panasonic. It is an SMD (surface-mount) device with a size of 0402 and it has a rated resistance of 221Kohms, with 1% tolerance. This type of resistor offers superior temperature characteristics, high stability and high surge resistance. It is often used for precision sensing, filtering, and circuit protection applications in a wide range of electronic systems.