305-020-521-504

Edgeboard Connectors Overview

The EDAC Inc. 305-020-521-504 is a standard card edge connector designed for dual-edge PCB applications. It features 20 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 continuous current, it supports board 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-edge female connector design for secure mating with printed circuit boards
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic polyester housing provides structural integrity and electrical insulation

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Telecommunications equipment interface modules
• Automotive electronics assemblies

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against official EDAC documentation to confirm contact plating thickness and material specifications. Ensure compatibility with target PCB dimensions and polarizing key requirements before procurement. Confirm RoHS compliance status through manufacturer datasheets.

Edgeboard Connectors Selection Notes

Select this component when a 20-position dual-edge connector is required with a 3.96 mm pitch. Verify that the application environment falls within the specified temperature range and current rating. Consider the panel mount style and solder termination type for integration into the final assembly design.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting configurations. The 305-020-521-504 specifically addresses needs for compact, high-reliability connections in space-constrained electronic designs.

Edgeboard Connectors Replacement Considerations

Consult official EDAC cross-reference guides for verified substitutes. Generic equivalents may not match the precise pitch or contact geometry required for reliable operation.