SA18SMSF25W-20

Attenuators Overview

The SA18SMSF25W-20 is a fixed attenuator manufactured by Fairview Microwave, designed for RF applications up to 18 GHz. It features SMA male (plug) to SMA female (jack) connectors and provides a nominal attenuation of 20 dB. The unit is rated for 25 Watts of power handling capacity. It utilizes a heatsink body constructed from black aluminum to manage thermal loads effectively. The device maintains a characteristic impedance of 50 Ohms and exhibits a Voltage Standing Wave Ratio (VSWR) of 1.45 or less across its operational frequency range.

Attenuators Feature Summary

• Incorporates a black aluminum heatsink body for efficient thermal dissipation during high-power operation.
• Provides precise 20 dB signal attenuation suitable for maintaining signal integrity in RF circuits.
• Features robust SMA male-to-female connector interface ensuring reliable connectivity.

Attenuators Applications

• RF signal conditioning in communication systems
• Test and measurement equipment setups
• High-frequency circuit protection

Attenuators Procurement Notes

Verify the specific datasheet version when ordering, as manufacturer specifications may undergo updates. Confirm that the SMA connector gender configuration matches the system requirements exactly. Ensure the 25 Watt power rating aligns with the maximum expected signal levels in the application to prevent component damage. Cross-reference the VSWR specification against system tolerance limits before finalizing procurement decisions.

Attenuators Selection Notes

Select this model when a 20 dB attenuation value is required within an 18 GHz bandwidth. The 25 Watt power rating distinguishes it from lower-power variants, making it suitable for higher energy applications. The SMA interface dictates compatibility with standard SMA-equipped test gear. Consider the physical dimensions and heatsink design if space constraints or mounting configurations are critical factors in the assembly process.

Attenuators Part Context

This component belongs to the Fairview Microwave series of connectorized attenuators. These devices are engineered to provide stable performance in demanding RF environments. The series typically offers various attenuation values and power ratings to suit different system needs. The SA18SMSF25W-20 specifically addresses the need for moderate attenuation with significant power handling capabilities using standard SMA interfaces.

Attenuators Replacement Considerations

SA18SMSF25W-10

Attenuators FAQ

What is the maximum operating frequency?

The maximum operating frequency is 18 GHz.

What material is used for the body?

The body is made of black aluminum with a heatsink design.