R573403440

Overview

The R573403440 is a Ramses series coaxial switch manufactured by Radiall USA, Inc. It features an SMA connector interface and supports a maximum frequency of 18 GHz with a 50 Ohm impedance. The device operates as a single-pole four-throw (SP4T) normally open switch, controlled by a 28 Vdc supply voltage. It utilizes positive common diodes for switching and employs pin terminals for circuit connection.

Feature Summary

• Ramses series coaxial switch architecture
• SMA connector interface configuration
• Normally open SP4T switching topology
• Positive common diode control mechanism

Applications

• RF signal routing in communication systems
• Test and measurement equipment setups
• Aerospace and defense radar applications

Procurement Notes

Verify the specific datasheet version to confirm electrical tolerances and mechanical dimensions. Ensure compatibility with 28 Vdc control logic levels. Confirm SMA mating requirements for system integration. Validate environmental ratings against operational conditions.

Selection Notes

Select this component for high-frequency applications requiring reliable RF switching. The 18 GHz bandwidth suits demanding wireless standards. The SP4T configuration allows flexible signal path management. Verify power consumption and thermal characteristics for enclosure design.

Part Context

This part belongs to the Ramses family of coaxial switches from Radiall. These components are designed for robust performance in harsh environments. The series offers various throw configurations and connector types. The R573403440 specifically addresses needs for multi-path RF distribution.

Replacement Considerations

Check for direct substitutes within the Ramses series offering different throw counts or connector interfaces. Verify equivalent specifications for frequency range and control voltage before substitution.