305-074-556-208

Edgeboard Connectors Overview

The EDAC 305-074-556-208 is a standard card edge connector header featuring 74 positions arranged in a dual-row configuration. It utilizes a 3.96 mm (0.156 inch) pitch and is designed for vertical panel mounting. The contacts are constructed from copper alloy with gold plating, supporting a continuous current rating of 5 A. The unit accepts board thicknesses between 1.37 mm and 1.78 mm and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure card engagement
• Vertical panel mount style with solder pin termination
• Gold-plated copper alloy contacts for reliable conductivity
• Accepts between-contact and in-contact polarizing keys

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• High-density circuit board assembly
• Panel-mounted modular hardware interfaces

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact mechanical dimensions and termination styles. Ensure compatibility with target PCB thickness limits before integration. Confirm RoHS compliance status through manufacturer datasheets. Validate thermal ratings against operational environment requirements. Cross-reference ordering guides for accurate part identification.

Edgeboard Connectors Selection Notes

Select this component when a high-pin-count, dual-row interface is required for vertical panel installation. The 3.96 mm pitch accommodates standard board thicknesses while maintaining robust electrical connections. Consider the 5 A current rating and wide temperature range for demanding industrial environments. Verify polarizing key compatibility if signal isolation is necessary.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting options. The 305-074 variant specifically provides a 74-position layout for high-density applications. It shares common design features with other models in the family, such as gold-plated contacts and thermoplastic insulation.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC part numbers 305-072-520-204 and 305-070-556-568, which share similar series characteristics. Verify positional count differences and specific termination types before substitution. Ensure mechanical fit and electrical ratings match application requirements.