305-054-556-578

Edgeboard Connectors Overview

The EDAC Inc. 305-054-556-578 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 54 positions arranged in two rows with a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic insulator. Rated for 5 A current, it supports PCB thicknesses between 1.37 mm and 1.78 mm. Operating temperatures range from -40°C to +105°C, with an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 54 female contact positions
• Gold-plated copper alloy contacts for reliable signal transmission
• Thermoplastic insulator housing with green coloration
• Supports panel mounting with inline card guide options

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Test and measurement instrument modules
• Computing hardware peripheral connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact pin count, plating thickness, and mounting style variations. Ensure compatibility with target PCB edge card dimensions and required thermal operating ranges before finalizing procurement specifications.

Edgeboard Connectors Selection Notes

Select this component when a high-density 54-position interface is required with a 3.96 mm pitch. Consider the dual-row layout and panel mounting capabilities for robust mechanical stability in industrial environments requiring wide temperature tolerance.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of card edge connectors, which provides various row configurations and mounting styles. The series is characterized by its use of thermoplastic materials and standardized spacing for reliable high-reliability interconnects in demanding electronic assemblies.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC part numbers sharing the same 305 series base but differing in position counts or mounting suffixes to ensure mechanical and electrical compatibility within existing system designs.