manufacturedThe RT0603BRE0721K5L is a thin film resistor manufactured by Yageo. It has a resistance of 21.5K ohm with a tolerance of 0.1% and a temperature coefficient of 50ppm/°C. It is SMD (Surface Mount Device) shaped with dimensions measuring 0.63mm x 0.3mm. It is part of Yageo's series of Thin Film Resistors designed for high precision, low noise, high stability, handling heat, and ESD protection. This type of resistor is suited for use in applications such as medical equipment, automotive, home appliances, and other high-end applications that require precision and stability.