IEC 61169-2:2007

Overview

IEC 61169-2:2007 is the IEC sectional specification for radio-frequency (RF) coaxial connectors of type 9,52 (9.52 mm). It defines the rules and information for preparing detail specifications (DS) for these connectors, including interface dimensions for general-purpose grade 2 parts, dimensional data for standard test connectors (grade 0), gauging procedures and the mandatory tests taken from IEC 61169-1. A key update in this edition is that the maximum frequency is now 3 GHz.

Key topics

• Interface dimensions: drawings and tolerances for sliding, screw-coupling and test connector styles; examples include an outer mating diameter of 9.525 ± 0.05 mm and thread M14 × 1 for screw-coupled versions.
• Gauging information: mechanical gauge pins and retention tests for outer and centre contacts (e.g. outer gauge diameters in the 9.465–9.585 mm range; centre gauge diameters ~2.29–2.39 mm) to verify resilient contact retention.
• Electrical ratings and performance:
  • Nominal impedance: 75 Ω
  • Frequency range: 0–3 GHz
  • Reflection factor (straight styles): approx. 7% up to 2 GHz, 10% up to 3 GHz
  • Contact resistances: centre < 5 mΩ initial / < 10 mΩ after conditioning; outer conductor continuity < 2.0 mΩ initial / < 2.5 mΩ after
  • Insulation resistance: >1 GΩ initial / >1 MΩ after conditioning
  • Proof voltage at sea level: 750 V
  • Screening effectiveness: ≥ 90 dB
• Mechanical and environmental tests: specified coupling torques and proof torque (friction ~0.066 Nm; coupling 0.46–0.69 Nm; proof 1.7 Nm), cable pull 120 N, tensile strength 300 N, vibration (10 g, 10–500 Hz), climatic sequence 40/70/21, salt mist 48 h, sealing ≤ 1 cm³/h leak rate, endurance 1 000 cycles, high-temperature aging 1 000 h.
• Quality assessment: recommended acceptance, periodic and routine test schedules, inspection levels and gauging sequences drawn from IEC 61169-1.

Applications and users

IEC 61169-2:2007 is essential for:

• RF connector designers and manufacturers preparing detail specifications for type 9.52 coaxial connectors.
• Cable and assembly manufacturers specifying mating interfaces for 75 Ω broadcast, measurement and communication equipment.
• Test laboratories and quality assurance teams performing gauge, mechanical, electrical and environmental tests to IEC requirements.
• Procurement and regulatory teams specifying interoperability and compliance for RF systems operating up to 3 GHz (broadcast, instrumentation, laboratory, and some telecom/microwave applications).

Related standards

• IEC 61169-1 - Generic specification: general requirements and measuring methods (mandatory test methods referenced).
• Other parts of the IEC 61169 series covering different RF connector types and test procedures.

Keywords: IEC 61169-2, RF coaxial connectors, type 9.52, 9,52 connector, 75 Ω, 3 GHz, interface dimensions, connector gauges, IEC 61169-1.