305-022-556-278

Edgeboard Connectors Overview

The EDAC Inc. 305-022-556-278 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 22 positions with a 3.96 mm (0.156 inch) pitch across two rows. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester 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 female contact configuration for non-specified dual-edge cards
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Thermoplastic polyester housing providing structural stability
• Solder pin termination for secure panel or PCB mounting

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Medical equipment utilizing EDAC medical interconnect solutions
• Agricultural technology hardware operating in harsh environments
• General-purpose electronic assemblies needing dual-edge card connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the official EDAC datasheet to confirm exact mechanical dimensions and plating specifications. Ensure compatibility with the target PCB thickness range of 1.37 mm to 1.78 mm. Confirm that the 3.96 mm pitch aligns with the design requirements. Check RoHS compliance status through manufacturer documentation before finalizing procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge card interface with a 3.96 mm pitch is required. The 22-position count suits moderate-density applications. Consider the vertical installation style and solder pin termination method. Evaluate the 5 A current rating against system power needs. Verify that the -40°C to +105°C temperature range meets environmental constraints.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and configurations for dual-edge applications. The 305 series is recognized for reliability in industrial and medical sectors. This specific model provides a balance of contact density and spacing suitable for general electronic interconnect tasks.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other EDAC 305 series variants only if they match the exact pitch, position count, and termination style.

Edgeboard Connectors FAQ

What is the maximum PCB thickness supported by this connector?

The connector accepts PCB thicknesses ranging from 1.37 mm to 1.78 mm.

Is the connector compatible with single-edge cards?

No, this model is specified for non-specified dual-edge cards.