305-056-556-507

Edgeboard Connectors Overview

The EDAC Inc. 305-056-556-507 is a standard card edge connector header featuring 56 positions with a 3.96 mm (0.156 inch) pitch. It utilizes gold plating on the mating area and tin plating with nickel underplating on the tails. The component supports a current rating of 5 amps and has a maximum contact resistance of 10 milliohms.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design for green board compatibility
• Gold plating on mating surfaces ensures reliable signal transmission
• Tin-plated tails with nickel underplating facilitate secure soldering

Edgeboard Connectors Applications

• Microcontroller interface connections
• Embedded system board-to-board linking
• High-density circuit board integration

Edgeboard Connectors Procurement Notes

Verify the specific plating configuration, noting gold on the mating area and tin/nickel on the tails. Confirm the 3.96 mm pitch aligns with the target PCB card edge thickness and layout requirements to ensure mechanical fit and electrical continuity.

Edgeboard Connectors Selection Notes

Select this model for applications requiring a 56-position dual-edge connection with a 3.96 mm pitch. Ensure the design accommodates the 5 amp current rating and the specified contact resistance limits for stable performance in embedded environments.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. It is designed as a header for dual-edge cards, providing a robust interconnection solution for industrial and commercial electronic assemblies requiring high pin counts.

Edgeboard Connectors Replacement Considerations

Consider part number 305-054-556-278 or 305-048-556-508 from the same manufacturer if fewer positions are required while maintaining identical pitch and mounting specifications.