R573403000

Overview

The R573403000 is a SP10T coaxial switch from the Ramses series manufactured by Radiall USA, Inc. It utilizes SMA connectors and operates at frequencies up to 18 GHz. The device features a normally open configuration with a 28Vdc coil voltage. Electrical specifications include a VSWR of 1.5:1, insertion loss of 0.5 dB, and isolation of 60 dB. It maintains a 50-ohm impedance and employs pins for terminal connections.

Feature Summary

• SP10T switching topology for multi-port signal routing
• Normally open contact configuration
• SMA connector interface compatibility
• High-frequency operation capability

Applications

• RF signal distribution networks
• Test and measurement instrumentation
• Telecommunications infrastructure
• Aerospace electronic systems

Procurement Notes

Verify component authenticity through authorized Radiall channels or certified distributors. Confirm datasheet revisions and RoHS compliance status prior to integration. Ensure supply chain documentation matches the specific Ramses series manufacturing batch. Validate technical parameters against current official product specifications to avoid obsolescence risks.

Selection Notes

Select this model for applications requiring ten-way signal switching at 18 GHz. The 28Vdc drive requirement must align with system power supplies. Consider the 50-ohm impedance match for RF circuit continuity. Evaluate thermal management needs due to coil heating during latching operations. Verify SMA connector mating cycles and environmental sealing requirements.

Part Context

This component belongs to the Ramses family of high-performance coaxial switches. It represents a solid-state electromechanical solution for RF signal path control. The design prioritizes low insertion loss and high isolation for precision applications. It serves as a critical interconnect element in complex RF architectures.

Replacement Considerations

Cross-reference with other Ramses series variants for pin-compatible alternatives. Verify electrical parameter equivalence before substitution. Check connector type consistency to ensure mechanical fit. Confirm voltage drive requirements match existing control logic.