R573403405

Overview

The Radiall R573403405 is a Ramses series coaxial switch featuring an SP4T configuration and SMA interface. It operates up to 18 GHz with a normally open state and utilizes a D-sub connector for control signals. The device supports 28 Vdc coil voltage, maintains a 50 Ohm impedance, and offers high isolation characteristics suitable for RF signal routing in demanding environments.

Feature Summary

• SP4T switching topology for multi-path signal distribution
• Normally open mechanical operation mode
• D-sub connector integration for control logic
• High-frequency performance up to 18 GHz

Applications

• RF test and measurement instrumentation
• Telecommunications base station architectures
• Aerospace and defense radar systems
• Automotive radar sensor development

Procurement Notes

Verify component authenticity through authorized Radiall channels or certified distributors. Confirm datasheet revisions and RoHS compliance status prior to integration. Ensure handling procedures meet ESD standards for precision RF components during storage and assembly processes.

Selection Notes

Select this model when an SP4T configuration with SMA interfaces is required for frequencies up to 18 GHz. The 28 Vdc control requirement and D-sub connector style must align with system power and logic constraints. Evaluate thermal management needs based on insertion loss specifications.

Part Context

This component belongs to the Ramses family of coaxial switches by Radiall. The series provides robust RF switching solutions for high-reliability applications. The R573403405 variant specifically addresses needs for four-way signal path selection using standard SMA connections and dedicated control interfaces.

Replacement Considerations

Cross-reference with other Ramses series models such as R573403315 (SP3T) or R573403540 (SP5T) if port count requirements differ. Verify interface compatibility and control voltage specifications before substituting with alternative manufacturers' offerings.