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AMPHENOL RF 31317RFX BNC RF Connector

The Amphenol 31-317-RFX BNC connector is a miniature, lightweight RF connector developed for quick and easy connection and disconnection. Its bayonet coupling mechanism ensures secure mating with a simple quarter-turn. Designed to accommodate a wide range of coaxial cables, this connector is commonly used in applications such as test instrumentation, medical equipment, and cable assemblies. Amphenol offers both 50Ω and 75Ω versions to meet diverse system impedance requirements. Recognized under Underwriter’s Laboratories, this connector provides a reliable and safe connection for various applications.

Authorized Distributors
Part No:31-317-RFX
Stock:102
Inv Date:05-28-2026
Price: Unit price: $6.23
Buy/RFQ:
Part No:31-317-RFX
Stock:102
Inv Date:05-28-2026
Price: Unit price: $6.23
Buy/RFQ:

AMPHENOL RF 31317RFX BNC RF Connector Specifications:

  • Impedance: 50 Ω nominal
  • Frequency Range: DC - 4 GHz (usable to 11 GHz)
  • VSWR: 1.3 max. @ DC - 4 GHz (straight)
  • RF Leakage: 55 dB minimum @ 3 GHz
  • Voltage Rating: ≥ 500 V peak (depending on cable)
  • Contact Resistance: {'Center Contact': '≤ 1.5 mΩ', 'Outer Contact': '≤ 0.2 mΩ', 'Braid to Body': '≤ 0.1 mΩ'}
  • Insulation Resistance: 5,000 MΩ minimum
  • Insertion Loss: maximum 0.2 dB max. @ 3 GHz
  • Dielectric Withstanding Voltage: 1,500 Vrms (at sea level)
  • Mating: 2-stud bayonet lock coupling (MIL-STD-348)
  • Coupling Torque: 0.6 / 2.5 in-lbs (7 / 28 N-cm)
  • Coupling Nut Retention Force: 101 lbs (450N) min.
  • Center Contact Retention Force: ≥ 6.1 lbs (27N)
  • Temperature Range: -65°C to +165°C
  • Material: {'Body and Outer Contacts': 'Brass, nickel plated', 'Male Contact': 'Brass, gold plated', 'Female Contact': 'Beryllium copper or phosphor bronze, gold or silver plated'}

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Frequently Asked Questions

Where can I buy AMPHENOL RF 31317RFX?

You can click on the BUY or RFQ button to purchase 31317RFX from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 31317RFX?

You can download the 31317RFX datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 31317RFX?

AMPHENOL RF

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