401-2208-ROHS

Overview

The 401-2208-ROHS is a micro miniature RF coaxial relay manufactured by Dow-Key Microwave Corporation. It features an SPDT configuration with SMA connectors and operates on a 12V DC coil supply. The device is designed for failsafe operation, maintaining its state without continuous power. It supports frequencies up to 18 GHz and handles significant RF input power levels. The unit utilizes panel mount installation and complies with RoHS standards for environmental safety.

Feature Summary

• Micro miniature form factor for compact integration
• Failsafe operational mode ensuring signal path integrity
• SMA connector interface for standard RF connectivity
• RoHS compliant construction

Applications

• Microwave test and measurement equipment
• Telecommunications base stations
• Electronic warfare systems
• Radar signal routing

Procurement Notes

Verify the specific suffix designation against the manufacturer's current documentation to confirm exact electrical characteristics and compliance status. Ensure the procurement channel provides original manufacturer certification to guarantee component authenticity and traceability. Confirm that the SMA connector type matches the system requirements prior to ordering.

Selection Notes

Select this model when a failsafe SPDT switching action is required at frequencies up to 18 GHz. The 12V coil voltage dictates the necessary driver circuit design. Consider the micro miniature physical dimensions for space-constrained applications. Verify that the RF power handling capabilities meet the specific system signal levels.

Part Context

This component belongs to the Dow-Key 401 series of micro miniature coaxial relays. These devices are engineered for high-reliability microwave applications requiring small footprint and fast switching speeds. The series typically offers various voltage options and connector types to suit diverse system architectures.

Replacement Considerations

Cross-reference with other 401-series variants such as 401-3308 or 401-4208 if different coil voltages or connector styles are needed. Ensure any substitute maintains the failsafe characteristic and SMA interface compatibility. Verify frequency range and power handling limits match the original specifications.