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Johnson-Cinch Connectivity Solutions 1420721881 RF SMA Connector

The SMA 50 Ohm connector is a high-performance RF connector designed for frequencies up to 18 GHz, featuring gold-plated brass bodies, PTFE insulators, and corrosion-resistant materials. It provides excellent electrical characteristics including a low VSWR, high insulator resistance, and durability for demanding industrial applications. Suitable for military, aerospace, and telecommunications environments, this connector ensures reliable connections with a torque of 7-10 inch-pounds. It supports various cable types like RG-178, RG-316, and LMR series, offering consistent performance with a maximum insertion loss of 0.03 dB at 10 GHz and excellent environmental ratings.

Authorized Distributors
Source:Newark
Part No:142-0721-881
Stock:61
Inv Date:05-30-2026
Price: Unit price: $6.41
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Source:DigiKey
Part No:142-0721-881
Stock:40
Inv Date:05-30-2026
Price: Unit price: $6.3
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Source:DigiKey
Part No:142-0721-881
Stock:100
Inv Date:05-30-2026
Price: Unit price: $10.72
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Part No:142-0721-881
Stock:0
Inv Date:05-31-2026
Price: Unit price: $6.3
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Part No:142-0721-881
Stock:0
Inv Date:05-30-2026
Price: Unit price: $8.1
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Part No:142-0721-881
Stock:500
Inv Date:05-30-2026
Price: Unit price: $5
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Part No:142-0721-881
Stock:500
Inv Date:05-30-2026
Price: Unit price: $5
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Part No:142-0721-881
Stock:511
Inv Date:05-30-2026
Price: Unit price: $3.32
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Source:Arrow EU
Part No:142-0721-881
Stock:15
Inv Date:05-31-2026
Price: N/A
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Johnson-Cinch Connectivity Solutions 1420721881 RF SMA Connector Specifications:

  • Impedance: 50 ohms
  • Frequency Range: 0-18 GHz for uncabled receptacles and adapters
  • VSWR: 1.20 + .025f to 1.05 + .01f depending on cable type
  • Insertion Loss: 0.03 dB at 10 GHz for semi-rigid cables
  • Material: Brass bodies, gold plated, PTFE insulators
  • Environmental Ratings: MIL-STD-202 compliant for temperature, vibration, and corrosion resistance
  • Durability: 500 cycles minimum
  • Working Voltage: 250 VRMS at sea level
  • Max Power Rating: 0.5 watt at +25°C, derated to 0.25 watt at +125°C
  • Cable Compatibility: RG-178, RG-316, LMR-100, LMR-195, LMR-200, LMR-240, and semi-rigid cables
  • Mechanical: Mating torque 7-10 inch-pounds, coupling proof torque 15 inch-pounds
  • Environmental: -65°C to +165°C temperature range, corrosion and vibration resistant

Buy the Cinch SMA 50 Ohm – Reliable RF Connectors for Industrial Applications

Enhance your RF connection setup with the high-quality SMA connector. Designed for frequencies up to 18 GHz, it features durable brass construction, gold plating, and PTFE insulation. Suitable for demanding applications in telecommunications, aerospace, and military fields, this connector offers low VSWR, high insulation resistance, and reliable environmental ratings. Easy to install with standard torque specifications, it ensures stable performance and long-term durability. Purchase online today for fast delivery and superior connectivity in your projects.

Order your Cinch Series1420721881 SMA connector today and give your RF systems the dependable, high-frequency performance they deserve.

Frequently Asked Questions

Where can I buy Johnson-Cinch Connectivity Solutions 1420721881?

You can click on the BUY or RFQ button to purchase 1420721881 from an authorized Johnson-Cinch Connectivity Solutions distributor.

How do I troubleshoot issues or seek technical support for part 1420721881?

You can download the 1420721881 datasheet or visit the Johnson-Cinch Connectivity Solutions website for support.

Who is the manufacturer of 1420721881?

Johnson-Cinch Connectivity Solutions

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