305-028-521-268

Edgeboard Connectors Overview

The EDAC Inc. model 305-028-521-268 is a standard card edge connector designed for panel mount applications with a vertical orientation. It features 28 positions arranged in a dual-row configuration with a pitch of 3.96 mm (0.156 inches). The connector supports PCB thicknesses ranging from 1.37 mm to 1.78 mm and utilizes gold-plated copper alloy contacts with a solder termination type. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Thermoplastic polyester housing provides structural stability

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Test and measurement instrument interfaces

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against official EDAC documentation to confirm exact pin count, plating specifications, and termination style. Ensure compatibility with target PCB thickness limits and panel mounting requirements before procurement. Cross-reference manufacturer part numbers to avoid substitution errors.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with a 3.96 mm pitch is required. Confirm that the application environment stays within the specified -40°C to +105°C operating range. Verify that the PCB thickness falls within the 1.37 mm to 1.78 mm acceptance window for proper mechanical engagement.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by robust thermoplastic housings and high-reliability gold-plated contacts. It serves as a standardized solution for vertical panel-mounted connections in demanding electronic assemblies.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include other EDAC 305 series variants with matching 28-position dual-row configurations and 3.96 mm pitch. Verify identical termination styles and current ratings before cross-referencing.