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AMPHENOL RF 3170238 BNC Connector

Amphenol's 31-70238 BNC connector is a miniature, lightweight RF connector developed in the late 1940s. It utilizes a bayonet coupling mechanism for quick and easy mating and unmating, making it ideal for applications requiring frequent connections and disconnections. Suitable for a wide range of RG and industry-standard coaxial cables, these connectors are available in crimp/crimp, clamp/solder, and other termination styles. They are commonly used in medical equipment, test instrumentation, antennas, base stations, telecom, broadcast, and cable assemblies where reliable RF signal transmission is essential.

Authorized Distributors
Part No:31-70238
Stock:43
Inv Date:05-28-2026
Price: Unit price: $4.97
Buy/RFQ:
Part No:31-70238
Stock:43
Inv Date:05-28-2026
Price: Unit price: $4.97
Buy/RFQ:

AMPHENOL RF 3170238 BNC 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 & Outer Contacts): Brass, nickel plated
  • Material (Male Contact): Brass, gold plated
  • Material (Female Contact): Beryllium copper or phosphor bronze, gold or silver plated

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Frequently Asked Questions

Where can I buy AMPHENOL RF 3170238?

You can click on the BUY or RFQ button to purchase 3170238 from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 3170238?

You can download the 3170238 datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 3170238?

AMPHENOL RF

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