R573402420

Overview

The R573402420 is a general-purpose SP4T coaxial RF switch manufactured by Radiall USA, Inc. It operates within a frequency range of 0 Hz to 18 GHz and features an SMA interface. The device exhibits a maximum insertion loss of 0.5 dB and provides a minimum isolation of 60 dB. Designed for reflective topology, it functions as a normally open switch requiring 12Vdc TTL control signals. The component is part of the Ramses series.

Feature Summary

• SP4T switching topology with reflective design
• Operates up to 18 GHz frequency range
• Utilizes SMA connector interface
• Controlled via 12Vdc TTL logic signals

Applications

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

Procurement Notes

Verify exact specifications against the official Radiall datasheet before integration. Confirm voltage requirements and interface compatibility. Ensure environmental ratings match operational conditions. Check for RoHS compliance status if required. Validate pinout configurations for PCB layout accuracy.

Selection Notes

Select this component for applications requiring high isolation and low insertion loss up to 18 GHz. Consider the SP4T configuration for multi-path signal distribution. Evaluate thermal management needs based on power handling capabilities. Assess control interface compatibility with existing system logic levels.

Part Context

This switch belongs to the Ramses series of coaxial switches from Radiall. The series offers various configurations including SP3T, SP4T, and higher port counts. These components are designed for robust performance in demanding RF environments.

Replacement Considerations

Compatible alternatives include the R573402025 (SP10T) and R573402485 (SP4T). Verify port count and connector type differences when substituting.