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What is an SMP Connector?

Published in RF Connectors 2 mins read

An SMP connector is a subminiature coaxial RF connector, similar in size to MMCX connectors, but engineered to operate at higher frequencies, typically DC to 40 GHz. They are commonly used in applications requiring small size and high performance, such as miniaturized high-frequency modules. SMP connectors are available in both push-on and snap-on mating styles.

Here's a more detailed breakdown:

  • Subminiature Design: SMP connectors are characterized by their small size, making them suitable for applications where space is limited.

  • Frequency Range: They are designed for high-frequency applications, operating from DC up to 40 GHz. This makes them suitable for demanding RF and microwave systems.

  • Mating Styles:

    • Push-on: Allows for quick and easy connections without the need for threading.
    • Snap-on: Offers a secure and reliable connection with a distinct "snap" when properly engaged.
  • Applications: SMP connectors are widely used in:

    • High-density interconnects: Where many connections are needed in a small area.
    • RF Modules: Integrating seamlessly into miniaturized radio frequency modules.
    • Test and Measurement equipment: Providing reliable connections for accurate measurements.
    • Aerospace and Defense: Meeting the rigorous demands of these industries.
  • Advantages:

    • Small size: Enables miniaturization.
    • High frequency performance: Supports demanding RF applications.
    • Ease of use: Push-on and snap-on styles facilitate quick connections.
    • Reliability: Designed for robust and dependable performance.

In summary, the SMP connector is a valuable component in high-frequency, space-constrained applications, offering a good balance of size, performance, and ease of use.

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