R574403310

Overview

The R574403310 is a Radiall Ramses series SP3T coaxial switch operating from DC to 18 GHz. It features SMA connectors, solder pin terminals, and a positive common configuration. The device utilizes a 28 VDC coil voltage for actuation. Key electrical specifications include a maximum insertion loss of 0.5 dB, minimum isolation of 60 dB, and a VSWR of 1.5:1 at the test frequency of 18 GHz. The unit has an impedance of 50 Ohms and a mechanical life of 2,000,000 cycles.

Feature Summary

• SP3T switching topology with normally open operation
• High-frequency performance up to 18 GHz
• Positive common terminal configuration
• Solder pin termination style

Applications

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

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm datasheet revisions match specific lot codes. Ensure environmental compliance documentation aligns with project requirements. Validate connector integrity and terminal plating conditions upon receipt.

Selection Notes

Select this model for high-frequency applications requiring reliable SP3T switching within the Ramses series. Consider the 18 GHz bandwidth and low insertion loss characteristics. Evaluate the 28 VDC drive requirement against available control circuitry. Assess the solder pin mounting method for PCB integration compatibility.

Part Context

Part of the Ramses family of coaxial switches designed for robust RF performance. Manufactured by Radiall USA, Inc., this component belongs to the broader category of microwave and RF interconnect solutions. The series is known for consistent electrical parameters across varying frequencies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Radiall documentation for potential cross-reference options or updated series replacements.