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AMPHENOL RF 314803RFX BNC RF Connector

Amphenol's 31-4803-RFX BNC connector is a miniature, lightweight RF connector developed for quick and easy connection and disconnection. Featuring a bayonet coupling mechanism, it's ideal for cable termination in applications like medical equipment, test instrumentation, antennas, and base stations. Available in crimp/crimp, clamp/solder, and other termination styles, this connector provides reliable performance and is recognized under Underwriter’s Laboratories’ Component program for safety.

Authorized Distributors
Part No:31-4803-RFX
Stock:182
Inv Date:05-28-2026
Price: Unit price: $10.02
Buy/RFQ:
Part No:31-4803-RFX
Stock:182
Inv Date:05-28-2026
Price: Unit price: $10.02
Buy/RFQ:

AMPHENOL RF 314803RFX 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)
  • Body and Outer Contacts: Brass, nickel plated
  • Male Contact: Brass, gold plated
  • Female Contact: Beryllium copper or phosphor bronze, gold or silver plated
  • Insulator: PTFE, copolymer of styrene

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Frequently Asked Questions

Where can I buy AMPHENOL RF 314803RFX?

You can click on the BUY or RFQ button to purchase 314803RFX from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 314803RFX?

You can download the 314803RFX datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 314803RFX?

AMPHENOL RF

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