R573403445LP

Overview

The R573403445LP is a general-purpose SP4T coaxial RF switch from the Ramses series by Radiall USA, Inc. It operates at frequencies up to 18 GHz with a 50 Ohm impedance. The device features normally open contacts and positive common configuration. It requires a 28 Vdc coil voltage for actuation. Key electrical specifications include a maximum insertion loss of 0.5 dB and minimum isolation of 60 dB. The unit utilizes SMA connectors and D-sub terminals for control signals.

Feature Summary

• SP4T switching topology with positive common configuration
• High-frequency operation capability up to 18 GHz
• Low insertion loss and high isolation performance
• Normally open contact state design

Applications

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

Procurement Notes

Verify the specific ordering suffix LP against official Radiall documentation to confirm connector type and terminal configuration. Ensure the required 28 Vdc control voltage matches system capabilities. Confirm SMA interface compatibility with existing RF paths. Check for availability constraints as this component may be subject to order-based manufacturing schedules.

Selection Notes

Select this model when a single-pole four-throw switching function is required for high-frequency applications. The Ramses series offers robust performance for demanding environments. Consider the 28 Vdc drive requirement during circuit design. Verify that the D-sub control interface fits within the available space constraints of the assembly.

Part Context

This component belongs to the Ramses family of coaxial switches designed for high-reliability applications. The series provides various configurations to meet different RF switching needs. The R573403445LP specifically addresses requirements for SP4T switching with SMA interfaces. It is engineered for stability in critical signal routing tasks.

Replacement Considerations

Consult official Radiall substitution guides for verified equivalent part numbers. Cross-reference specifications such as frequency range, impedance, and control voltage before considering alternatives. Generic substitutes may not match the precise electrical characteristics or mechanical form factor.