Dimensions of cross cores (X-cores) made of ferromagnetic oxides and associated parts.

This document represents a specialized technical amendment issued by an international organization dedicated to standardization in the fields of electronics and electricity. It serves as the initial supplementary material to a foundational normative work, designated by the reference number IEC 60226A, and was established around the year 1970. The content focuses on providing specific updates, clarifications, or additional requirements that refine the original scope of the base standard. Such documents are typically developed to address emerging technical needs or to correct existing provisions based on new data or industry practices. The text ensures that practitioners and manufacturers adhere to the latest agreed-upon specifications within the relevant sector, maintaining consistency across international applications without altering the core structure of the primary document.