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AMPHENOL RF 031220N75 BNC Connector

Amphenol's 031-220N-75 BNC connector is a miniature, lightweight RF connector developed for quick and reliable connections. Featuring a bayonet coupling mechanism, it allows for easy mating and unmating with a quarter-turn of the coupling nut. Designed to accommodate a wide range of coaxial cables, these connectors are commonly used in applications such as test instrumentation, medical equipment, antennas, and cable assemblies. Amphenol offers both 50Ω and 75Ω BNC connectors to meet diverse impedance matching requirements, ensuring low signal distortion and optimal performance. Available in various termination styles including crimp/crimp, clamp/solder, and SURETWIST®, these connectors provide versatility for different installation needs.

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Source:DigiKey
Part No:031-220N-75
Stock:0
Inv Date:05-28-2026
Price: Unit price: $16.9092
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Part No:031-220N-75
Stock:55
Inv Date:05-29-2026
Price: Unit price: $25.25
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Part No:031-220N-75
Stock:0
Inv Date:05-28-2026
Price: Unit price: $21.92
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Part No:031-220N-75
Stock:92
Inv Date:05-28-2026
Price: Unit price: $28.69
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Part No:031-220N-75
Stock:1
Inv Date:05-28-2026
Price: Unit price: $20.3334
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Part No:031-220N-75
Stock:1
Inv Date:05-28-2026
Price: Unit price: $20.3334
Buy/RFQ:
Part No:031-220N-75
Stock:92
Inv Date:05-28-2026
Price: Unit price: $28.69
Buy/RFQ:
Part No:031-220N-75
Stock:40
Inv Date:05-28-2026
Price: Unit price: $13.9
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AMPHENOL RF 031220N75 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 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 031220N75?

You can click on the BUY or RFQ button to purchase 031220N75 from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 031220N75?

You can download the 031220N75 datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 031220N75?

AMPHENOL RF

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