R574403340

Overview

The R574403340 is a terminated Ramses coaxial switch manufactured by Radiall USA, Inc. It features an SP3T topology with SMA connectors and operates from 0Hz to 18GHz. Key electrical parameters include a maximum insertion loss of 0.5dB, minimum isolation of 60dB, and a VSWR of 1.5:1 at 50 Ohms impedance. The device utilizes a 28Vdc coil voltage for normally open operation and employs solder pin terminals. It supports up to 2,000,000 mechanical cycles within a temperature range of -40°C to +85°C.

Feature Summary

• Terminated Ramses design with integrated SMA connectors
• High-frequency operation up to 18 GHz
• Normally open SP3T switching topology

Applications

• RF signal routing in communication systems
• Test and measurement equipment
• Military and aerospace applications

Procurement Notes

Verify component status as the part may be obsolete or discontinued. Confirm availability through authorized distributors or direct manufacturer channels. Ensure compatibility with existing system requirements regarding connector type and voltage specifications before procurement.

Selection Notes

Select this component for applications requiring high-frequency switching up to 18 GHz. Consider the SP3T configuration and SMA interface for integration. Verify that the 28Vdc control voltage aligns with system power supplies. Check thermal and mechanical limits against operational environments.

Part Context

This component belongs to the Ramses series of coaxial switches from Radiall. These switches are designed for robust performance in demanding RF environments. The series offers various configurations tailored for specific frequency ranges and connector types.

Replacement Considerations

• R574413300

FAQ

What is the maximum operating frequency?

The maximum operating frequency is 18 GHz.

Is the switch normally open or closed?

The switch is configured as normally open.