1617748-6

Overview

The TE Connectivity 1617748-6 is a high-power relay from the FCA-125 series, designed for aerospace and defense applications. It features a coil voltage of 28VDC and supports contact currents up to 125A. The unit utilizes a hermetically sealed construction to ensure reliability in harsh environments. Key electrical parameters include a maximum switching voltage of 28VDC and a coil resistance typical of its class. The component is engineered for robust performance in mission-critical sub-systems requiring durable electromechanical switching solutions.

Feature Summary

• Hermetically sealed construction for environmental protection
• High-current capacity suitable for power distribution
• Designed for aerospace and defense reliability standards

Applications

• Missile defense systems
• Aerospace power distribution units
• Marine military sub-systems

Procurement Notes

Verify the specific datasheet revision and qualification status (e.g., MIL-PRF-83536) before procurement. Confirm that the package type and terminal configuration match the system requirements. Ensure compliance with current export control regulations given the defense nature of the product. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components.

Selection Notes

Select this component when hermetic sealing and high current handling are required in space-constrained or harsh environments. Compare against other FCA series variants for specific voltage or current ratings. Ensure the coil drive circuitry matches the 28VDC specification. Consider thermal management requirements associated with continuous high-current operation in enclosed assemblies.

Part Context

This part belongs to the FCA-125 series of high-power relays manufactured by TE Connectivity Aerospace, Defense and Marine. These relays are specifically engineered for rugged applications where standard commercial components would fail. The series is known for its durability and consistent performance in demanding operational conditions across various military platforms.

Replacement Considerations

Direct substitutes may include other parts within the FCA-125 family with compatible pinouts and ratings. Verify mechanical dimensions and terminal types before substitution. Consult official TE Connectivity documentation for approved cross-references to ensure functional equivalence in critical systems.