305-056-556-202

Edgeboard Connectors Overview

The EDAC Inc. 305-056-556-202 is a dual-edge female card edge connector designed for board-to-board applications. It features 56 positions arranged in two rows with a 0.156-inch (3.96mm) spacing. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester insulator. It supports a card thickness range of 0.054 to 0.070 inches (1.37mm to 1.78mm). Operating temperatures span from -40°C to 105°C, and it includes flanges for panel mounting.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for non-specified card types
• Gold-plated semi-crimping contact design for reliable termination
• Thermoplastic polyester insulation material for durability
• Panel mount style with integrated flange features

Edgeboard Connectors Applications

• Adapter board interconnections
• Rack and panel system interfaces
• Industrial control module connections
• Telecommunications equipment backplanes

Edgeboard Connectors Procurement Notes

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

Edgeboard Connectors Selection Notes

Select this component when a dual-edge female connector with 56 positions and 0.156-inch spacing is required. Ensure the mating card thickness falls within the specified 1.37mm to 1.78mm range. Consider the green color coding and thermoplastic insulation properties for environmental suitability in industrial settings.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and termination options. The 305-056-556-202 specifically provides a high-density interface solution suitable for applications requiring robust mechanical stability and reliable electrical performance in demanding environments.

Edgeboard Connectors Replacement Considerations

Consult the official EDAC 305 Series Ordering Guide for verified substitute part numbers. Cross-reference pin counts, spacing, and mounting configurations to ensure functional equivalence without modifying the existing board layout or mechanical constraints.