The RT0603BRE073K09L is a surface-mount thin film resistor manufactured by Yageo. It is an SMD (surface-mount device), with 3.09K OHM resistance, a tolerance of 0.1%, and a temperature coefficient of 50PPM. It is designed in an 0603 size configuration, which refers to the standardized size of 0.063" x 0.03", making it ideal for small boards and equipment. The thin film construction of the resistor ensures that it is highly durable and reliable, making it well-suited for use in a wide range of applications, from automotive and military to consumer and commercial.