R573103805

Overview

The R573103805 is a general-purpose SP8T coaxial switch from the Ramses series by Radiall USA, Inc. It operates at frequencies up to 8 GHz with a 50 Ohm impedance. The device features a normally open configuration and requires a 28 Vdc actuation voltage. It utilizes a D-sub connector for control interface and pin terminals for RF connections.

Feature Summary

• SP8T coaxial switching architecture
• Ramses series design
• Normally open contact state
• D-sub control interface

Applications

• RF signal routing in test and measurement systems
• Telecommunications infrastructure switching
• Aerospace and defense radar applications
• Satellite communication ground stations

Procurement Notes

Verify the specific datasheet version for the R573103805 to confirm mechanical dimensions and electrical tolerances. Ensure that the 28 Vdc control requirements align with available system power supplies. Confirm compatibility with the D-sub connector mating specifications before integration into the final assembly design.

Selection Notes

Select this component when an eight-channel RF switching solution is required within the 8 GHz frequency range. The normally open state suits applications where default isolation is preferred. Verify that the D-sub control interface fits the available panel space and cabling constraints compared to alternative pin-terminal control options.

Part Context

This part belongs to the Ramses family of coaxial switches, which are designed for high-performance RF applications. The series offers various configurations including different port counts and connector types. The R573103805 specifically addresses needs for multi-port switching with robust DC-to-8 GHz performance capabilities.

Replacement Considerations

Consult official Radiall documentation for verified substitute part numbers within the Ramses series. Cross-reference specifications such as insertion loss, isolation, and actuation voltage to ensure functional equivalence during replacement planning.