FC Connector Standards

Published: January 7, 2024

, Last updated: February 12, 2025

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The FC/PC (Physical Contact) and FC/APC (Angled Physical Contact) connectors are standardized under TIA EIA/TIA-604-4 and IEC 61754-13.

For APC Connectors, understanding the difference between step and conical ferrules is crucial for proper polishing.

FC/APC Connectors come with different key widths tailored to specific loss requirements.

READ FC Connectors Explained HERE.

Additional resources from the FOC team include:

Category Resource
- FOC Interconnect Page
View the Glossary, Acronyms, Military Specifications for Connectors
Q&A Resource: email technical questions to AskFOC@focenter.com
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Fiber Optic Center, Inc., (FOC), is an international leader in distributing fiber optic components, equipment and supplies and has been helping customers make the best cable assemblies in the world for over two decades. Several areas of specialization and expertise, in which they are the industry leader, make them the preferred choice for many of the world’s fiber professionals. In these key technology areas, FOC is "at least as technical as the manufacturer" about the products they sell. Striving to "make the business part easy," they offer outstanding and personal customer service, low or no minimum purchase order values, and from-stock delivery on industry-leading products and technology. FOC is the industry connection to the most innovative optical products, technologies and technical experts who integrate their manufacturing knowledge and vast experience into customers' worldwide operations. @FiberOpticCntr

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