Precision Grade is a non-IEEE industry grading that fills the gap between general purpose or standard grade components and those that meet the stringent requirements of the IEEE 287 specification for General Precision. This classification is essential for applications that demand a higher degree of accuracy, reliability, and performance than what standard grade components can offer, but do not necessarily need to adhere to the rigorous specifications of IEEE 287.

Components in the Precision Grade category exhibit superior performance characteristics, such as lower insertion loss, improved return loss, and enhanced phase stability. These components are typically manufactured with tighter tolerances and superior materials, resulting in more stable and consistent performance over a wide range of environmental conditions and frequencies. While not officially recognised by the IEEE Std 287, Precision Grade components are widely adopted in industries where a balance between cost-effectiveness and performance is crucial, such as telecommunications, aerospace, defense, and test and measurement applications. By providing a more flexible and cost-effective alternative to General Precision components, Precision Grade RF components enable engineers and designers to meet the growing demands for accuracy and performance without incurring unnecessary expenses or complexities.