R573403845

Overview

The Radiall R573403845 is a general-purpose RF switch IC operating from DC to 18 GHz. It features an SP8T configuration with 50 Ohm impedance. The device utilizes a D-sub connector interface and operates on a 28 Vdc supply voltage. It is designed for normally open operation with positive common logic. The component supports SMA connections within its module structure.

Feature Summary

• SP8T single-pole eight-throw switching architecture
• Broadband frequency coverage up to 18 GHz
• D-sub connector interface for control signals
• Normally open state with positive common logic

Applications

• Test and measurement instrumentation
• Wireless communication base stations
• Aerospace and defense radar systems

Procurement Notes

Verify the current lifecycle status as sources indicate this part may be obsolete or in last-time-buy phase. Confirm availability through authorized distributors, as stock levels vary. Ensure compatibility with existing 28Vdc control interfaces and D-sub connector requirements before procurement.

Selection Notes

Select this component for applications requiring high-frequency switching up to 18 GHz with multiple output paths. Consider the SP8T topology for signal routing complexity. Verify that the system can accommodate the required 28Vdc supply and D-sub physical interface constraints.

Part Context

This model belongs to the Ramses series of coaxial switches manufactured by Radiall USA, Inc. The series is characterized by high-performance RF switching capabilities integrated into compact modules suitable for demanding electronic environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for potential obsolescence management strategies.