EN IEC 61169-54:2021/FprA1:2026
(Amendment)Amendment 1 - Radio-frequency connectors - Part 54: Sectional specification for coaxial connectors with 10 mm inner diameter of outer conductor, nominal characteristic impedance 50 Ω, Series 4,3-10
General Information
- Abstract
- Status
- Not Published
- Publication Date
- 06-Dec-2026
- Technical Committee
- CLC/SR 46F - RF and microwave passive components
- Current Stage
- 5060 - Voting results sent to TC, SR - Formal Approval
- Start Date
- 04-Sep-2026
- Completion Date
- 04-Sep-2026
Overview
EN IEC 61169-54:2021/FprA1:2026 is an important amendment to the international standard governing radio-frequency (RF) coaxial connectors with a 10 mm inner diameter of the outer conductor and a nominal characteristic impedance of 50 Ω, specifically focusing on the Series 4.3-10 connectors. Issued by the European Committee for Electrotechnical Standardization (CLC), this amendment addresses updates to mechanical and performance requirements to enhance connector reliability-particularly under operational stresses such as vibrations. The changes respond directly to industry needs and manufacturer feedback, ensuring connectors remain robust and maintain secure connections in demanding applications.
Key Topics
- Targeted Connector Series: Amendment 1 applies to coaxial RF connectors in the 4.3-10 series with 10 mm inner conductor diameter and 50 Ω impedance.
- Updated Mechanical Requirements: The amendment replaces specific values for mechanical tests, especially concerning the coupling torque for screw-type connectors.
- Coupling torque: Now specified as 5-10 N·m for screw-type connectors.
- Proof torque: Increased to above 10 N·m.
- Axial forces: Defined for engagement and separation in push-pull connectors.
- Insertion forces: Minimum values outlined for both center and outer contacts.
- Rationale for Amendment: Customer complaints and field data indicated that prior coupling torque limits resulted in connector loosening under environmental vibrations, such as those experienced on telecommunication towers. Increasing the torque specification effectively resolves this issue by improving connection stability.
Applications
EN IEC 61169-54:2021/FprA1:2026 is highly relevant to industries and professionals involved in the design, manufacture, and deployment of RF systems, where high reliability and performance under mechanical stress are essential. Example application areas include:
- Telecommunications Infrastructure: Ensures secure and stable RF connections in wireless antennas and base stations, especially where mechanical vibration is a concern.
- Broadcasting: Supports reliable signal transmission in broadcast equipment that requires stable RF connections.
- Test and Measurement: Provides guidance for manufacturers and users of RF test equipment utilizing 4.3-10 connectors.
- Industrial RF Applications: Used in complex RF systems in industrial automation or control, where connector integrity is critical to system performance.
By defining precise mechanical requirements, the amendment directly helps prevent service interruptions, maintenance costs, and failures associated with connector loosening.
Related Standards
The amendment is part of the broader EN IEC 61169 family of international standards, which specify requirements for RF connector interfaces and mechanical performance:
- EN IEC 61169-54:2021: The main standard specifying characteristics and tests for Series 4.3-10 connectors.
- IEC SC 46F: Sub-committee responsible for standardization of RF and microwave passive components.
- Other EN IEC 61169 Parts: Address additional connector series and related sectional specifications for differing RF connectors.
- Related mechanical standards: May interface with relevant IEC standards for cable assemblies, environmental testing, and performance validation of passive electronic components.
Keywords: EN IEC 61169-54, RF connectors, coaxial connectors, 4.3-10 series, 10 mm outer conductor, 50 ohm impedance, mechanical requirements, coupling torque, telecommunications, broadcast RF connectors, connector reliability, IEC standards.
Relations
- Effective Date
- 15-Apr-2025
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Frequently Asked Questions
EN IEC 61169-54:2021/FprA1:2026 is a draft published by CLC. Its full title is "Amendment 1 - Radio-frequency connectors - Part 54: Sectional specification for coaxial connectors with 10 mm inner diameter of outer conductor, nominal characteristic impedance 50 Ω, Series 4,3-10". This standard covers: Amendment 1 - Radio-frequency connectors - Part 54: Sectional specification for coaxial connectors with 10 mm inner diameter of outer conductor, nominal characteristic impedance 50 Ω, Series 4,3-10
Amendment 1 - Radio-frequency connectors - Part 54: Sectional specification for coaxial connectors with 10 mm inner diameter of outer conductor, nominal characteristic impedance 50 Ω, Series 4,3-10
EN IEC 61169-54:2021/FprA1:2026 is classified under the following ICS (International Classification for Standards) categories: 33.120.30 - RF connectors. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 61169-54:2021/FprA1:2026 has the following relationships with other standards: It is inter standard links to EN IEC 61169-54:2021. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 61169-54:2021/FprA1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN IEC 61169-54:2021/oprA1:2025
01-oktober-2025
Radiofrekvenčni konektorji - 54. del: Področna specifikacija za koaksialne
konektorje z notranjim premerom zunanjih vodnikov 10 mm in nazivno
karakteristično impendanco 50 ohm, serija 4,3-10 - Dopolnilo A1
Amendment 1 - Radio frequency connectors - Part 54: Sectional specification for coaxial
connectors with 10 mm inner diameter of outer conductor, nominal characteristic
impedance 50 Ω, Series 4,3-10
Connecteurs pour fréquences radioélectriques - Partie 54: Spécification intermédiaire
relative aux connecteurs coaxiaux avec diamètre intérieur du conducteur extérieur de 10
mm, impédance caractéristique nominale de 50 ω, série 4,3-10
Ta slovenski standard je istoveten z: EN IEC 61169-54:2021/prA1:2025
ICS:
33.120.30 Radiofrekvenčni konektorji RF connectors
(RF)
SIST EN IEC 61169-54:2021/oprA1:2025 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
SIST EN IEC 61169-54:2021/oprA1:2025
SIST EN IEC 61169-54:2021/oprA1:2025
46F/711/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61169-54/AMD1 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-07-18 2025-10-10
SUPERSEDES DOCUMENTS:
46F/705/RR
IEC SC 46F : RF AND MICROWAVE PASSIVE COMPONENTS
SECRETARIAT: SECRETARY:
United States of America Mr John Morelli
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of CENELEC,
is drawn to the fact that this Committee Draft for Vote (CDV) is
submitted for parallel voting.
The CENELEC members are invited to vote through the CENELEC
online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are aware
and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses to be
included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC c lauses. (SEE
AC/22/2007 OR NEW GUIDANCE DOC).
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