305-056-556-204

Edgeboard Connectors Overview

The EDAC Inc. 305-056-556-204 is a dual-edge female card edge connector with 56 positions and a 0.156-inch (3.96mm) pitch. It features gold-plated contacts, a thermoplastic polyester insulator, and a green housing. Designed for board edge or panel mounting via solder termination, it accommodates PCB thicknesses of 0.054 to 0.070 inches. The component operates within a temperature range of -40°C to +105°C and complies with RoHS3 standards.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for non-specified card types
• Gold-plated contact surfaces for reliable signal transmission
• Thermoplastic polyester insulation material
• Solder pin termination for secure PCB attachment

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's current 305 Series Ordering Guide to ensure compatibility with required flange styles and tail options. Confirm that the selected variant matches the intended PCB thickness and mounting orientation requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this model when a dual-edge female connector with a 0.156-inch pitch is required. Ensure the application supports the specified 56-position count and that the mating card thickness falls within the 0.054 to 0.070-inch range. Verify thermal and environmental ratings align with operational conditions.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 Series, a line of standard card edge connectors designed for high-reliability applications. The series offers various position counts and mounting configurations, utilizing copper alloy contacts with gold plating to ensure durability and low contact resistance in demanding electronic environments.

Edgeboard Connectors Replacement Considerations

Consult the official EDAC 305 Series cross-reference documentation for verified substitute part numbers. Ensure any replacement maintains identical pitch, position count, and mounting style specifications.