305-044-555-278

Edgeboard Connectors Overview

The EDAC 305-044-555-278 is a standard card edge connector from the 305 series, designed for dual-row applications. It features 44 positions with a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and a thermoplastic housing. It supports a continuous current rating of 5 A and offers an insulation resistance of 5 GOhms. Designed for panel mounting in a vertical orientation, it accommodates PCBs with a thickness of 1.57 mm. The operating temperature range spans from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration with semi-bellows design for reliable signal transmission.
• Flush mount flange feature with top opening and threaded insert for secure panel installation.
• Integrated card extender and in-line card guides to facilitate board insertion and alignment.

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized module connections
• Test and measurement instruments needing high-reliability signal paths

Edgeboard Connectors Procurement Notes

Verify component authenticity through authorized EDAC distributors or certified suppliers. Confirm RoHS compliance status via official documentation before integration. Ensure storage conditions maintain integrity of gold-plated contacts. Cross-reference part numbers with latest manufacturer catalogs to avoid obsolete stock. Validate mechanical fit against target panel specifications prior to procurement.

Edgeboard Connectors Selection Notes

Select this model when dual-row connectivity with 44 positions is required. The 3.96 mm pitch suits specific board layouts. Consider the vertical panel mount style for space-constrained enclosures. Verify thermal requirements align with the -40°C to +105°C operational range. Assess if the flush mount flange meets enclosure sealing needs.

Edgeboard Connectors Part Context

Part of the EDAC 305 series, known for high-density card edge solutions. The series supports various position counts and mounting styles. This specific variant emphasizes durability through its semi-bellows contact design. It serves as a critical interface between backplanes and plug-in modules in demanding environments.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC 305-044-555-201 and 305-044-555-208, which share identical pin counts and pitch dimensions. Verify flange thread compatibility and guide configurations when swapping variants within the 305 family.

Edgeboard Connectors FAQ

What is the contact type for this connector?

The connector uses semi-bellows female contacts designed for dual-edge card insertion.

Does this model support polarizing keys?

Yes, the 305 series connectors accept both between-contact and in-contact polarizing keys.