Overview
IEC 61169-45:2014 is an international standard that provides a comprehensive sectional specification for the SQMA series of quick lock radio-frequency (RF) coaxial connectors. Developed by the International Electrotechnical Commission (IEC), this standard targets connectors designed primarily for 50 Ohm impedance applications in microwave, telecommunication, wireless, and other RF-related fields. The SQMA connectors covered operate effectively up to a frequency limit of 18 GHz.
This specification defines essential interface dimensions for both general-purpose connectors (grade 2) and standard test connectors (grade 0), including detailed gauging information. It also prescribes mandatory testing protocols adopted from IEC 61169-1 to ensure consistency across all detail specifications (DS) related to SQMA connectors. The standard further outlines inspection requirements and applicable test schedules for various quality assessment levels, notably assessment levels M and H.
Key Topics
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Connector Types and Dimensions
The standard specifies dimensional requirements for connectors with pin-centre contacts and socket-centre contacts, presented with precise metric measurements. It includes figures and detailed tables outlining connector dimensions and tolerances, which serve as a foundation for manufacturing and quality control processes.
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Gauging and Test Connectors
IEC 61169-45:2014 details gauge pin dimensions for socket-centre contacts and test procedures to validate connector compliance. Test connectors (grade 0) are described separately to support calibration and testing activities, ensuring accurate performance verification.
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Quality Assessment Procedures
The document provides a structured approach to quality assessment, including ratings and performance characteristics that a Detail Specification must consider. It covers acceptance tests, periodic tests, and quality conformance inspections, as well as measurement procedures, to guarantee durable and reliable connector performance under operational conditions.
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Marking and Packaging
Requirements for marking components and packaging contents are established to facilitate traceability and conformity assurance throughout the supply chain. Proper labeling supports identification and compliance with international standards.
Applications
The IEC 61169-45 standard is critical for manufacturers, designers, and quality engineers involved with RF coaxial connectors, particularly those focusing on quick lock SQMA series connectors. Its applications span:
- Microwave Communication Systems: Ensures connectors perform reliably in high-frequency signal transmission up to 18 GHz for microwave components and systems.
- Telecommunication Networks: Regulates connector interfaces and tests for consistent, low-loss connections in wireless and wired telecommunication infrastructure.
- Wireless Devices: Guides the design and quality assurance of connectors used in wireless equipment, guaranteeing stable signal integrity.
- RF Test Equipment: Supports the standardization of test connectors and gauging tools critical for the calibration and validation of RF measurement setups.
Compliance with IEC 61169-45 translates directly to improved connector interoperability, optimized assembly processes, and reduced risk of performance failures in demanding RF environments.
Related Standards
- IEC 61169-1:2013 - Radio-frequency connectors – Part 1: Generic specification covering general requirements and measuring methods; referenced extensively for mandatory tests and measurement techniques in IEC 61169-45.
- IEC 61169 Series - A broader collection of standards covering various RF connector types and related components, supporting comprehensive standardization across RF interconnect technologies.
- ISO/IEC Directives, Part 2 - Provides procedural guidelines for drafting and maintaining international standards that IEC 61169-45 follows to ensure clarity and international consensus.
Adhering to IEC 61169-45:2014 empowers stakeholders to uphold high standards for quick lock RF coaxial connectors, fostering global interoperability and reliability in telecommunications and microwave applications. This standard is essential reading for professionals committed to excellence in RF connector design, testing, and production.
Open preview (PDF)Radio-frequency connectors - Part 45: Sectional specification for SQMA series quick lock RF coaxial connectors
