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AMPHENOL RF 312301 TNC Threaded Connector

Amphenol RF's 31-2301 TNC connector is a miniature, threaded, weatherproof unit developed in the late 1950s. Featuring screw threads for mating, it offers a constant 50 Ω impedance and operates from DC to 11 GHz. Available in standard and reverse polarity interfaces, these connectors are ideal for commercial applications such as antennas, base stations, cable assemblies, and WLAN networks. They provide a threaded coupling interface ensuring stability in vibration-intensive environments.

Authorized Distributors
Source:Newark
Part No:31-2301
Stock:100
Inv Date:05-28-2026
Price: Unit price: $11.04
Buy/RFQ:
Part No:312301
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1224.43
Buy/RFQ:
Part No:31-2301
Stock:55
Inv Date:05-28-2026
Price: Unit price: $10.15
Buy/RFQ:
Part No:31-2301
Stock:55
Inv Date:05-28-2026
Price: Unit price: $10.15
Buy/RFQ:

AMPHENOL RF 312301 TNC Threaded Connector Specifications:

  • Electrical Impedance: 50 Ω nominal
  • Frequency Range: DC - 11 GHz
  • VSWR: 1.3 max. @ DC - 11 GHz (straight), 1.35 max. @ DC - 11 GHz (right-angle)
  • RF Leakage: 60 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 0.18 dB @ 9 GHz
  • Dielectric Withstanding Voltage: 1,500 Vrms (at sea level)
  • Mating: 7/16 threaded coupling (MIL-STD-348)
  • Coupling Torque: 4.1 / 6.1 in-lbs (46 / 69 N-cm), recommended
  • Coupling Nut Retention Force: 101 lbs (450N) min
  • Braid/Jacket Cable Affixment: Hex crimp or screw-threaded clamps
  • Durability (Matings): 500 cycles minimum
  • Temperature Range: -65°C to +165°C
  • Material (Male Contact): Brass, gold plated
  • Material (Female Contact): Beryllium copper or phosphor bronze, silver or gold plated
  • Material (Insulator): PTFE, copolymer of styrene, glass TFE

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Frequently Asked Questions

Where can I buy AMPHENOL RF 312301?

You can click on the BUY or RFQ button to purchase 312301 from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 312301?

You can download the 312301 datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 312301?

AMPHENOL RF

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