Amendment 1 - Marking codes for resistors and capacitors

This technical document serves as an amendment to an established standard regarding the coding system for marking electronic components. It specifically focuses on resistors and capacitors, providing updated guidelines for the alphanumeric codes used to indicate resistance values, capacitance values, tolerance levels, and voltage ratings. The content refines and expands upon the original marking methodology defined in the base publication from 1992. By introducing specific changes, it ensures greater clarity and uniformity in the identification of passive components across the global industry. The amendment addresses updates necessary for improved readability and consistency in manufacturing, testing, and component selection processes. It defines the symbols and letter-number combinations that replace or supplement previous conventions to accommodate evolving technological requirements. This revised framework is intended for use by manufacturers, distributors, and engineers who require precise specifications for component identification without ambiguity. The provisions within this document facilitate interoperability and standardization in the design and production of electronic circuits, ensuring that component markings remain a reliable source of information throughout the product lifecycle.