305-018-521-503

Edgeboard Connectors Overview

The EDAC Inc. 305-018-521-503 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 18 positions with a 3.96 mm (0.156 inch) pitch and supports a maximum PCB thickness of 1.57 mm. The connector utilizes gold-plated copper alloy contacts with a half-beam termination style for reliable signal transmission. Rated for 5 A current, it employs thermoplastic polyester insulation in green. Operating temperatures range from -40°C to +105°C, ensuring stability across diverse industrial environments.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board insertion
• Gold-plated copper alloy contacts ensure corrosion resistance and low contact impedance
• Thermoplastic polyester housing provides durable electrical insulation
• Half-beam termination style facilitates robust solder joint formation

Edgeboard Connectors Applications

• Industrial control system interface modules
• Telecommunications equipment backplanes
• Automotive electronic control units
• Test and measurement instrumentation boards

Edgeboard Connectors Procurement Notes

Verify component authenticity through authorized EDAC distributors or certified supply chain partners. Confirm RoHS compliance status and specific lot traceability requirements prior to acquisition. Ensure storage conditions maintain moisture sensitivity levels as defined by manufacturer guidelines to preserve solderability and contact integrity during assembly processes.

Edgeboard Connectors Selection Notes

Select this model when dual-edge card connectivity is required with a 3.96 mm pitch. Verify that the target PCB thickness falls within the specified operational range. Consider the vertical panel mount orientation and solder pin termination method for integration into existing chassis designs. Ensure thermal ratings align with the application's environmental constraints.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 Series, a family of standard card edge connectors known for high-density interconnect solutions. The series offers various position counts and termination styles to accommodate different board architectures. The 305-018-521-503 specifically addresses applications requiring 18-position dual-edge connectivity with standardized dimensional tolerances.

Edgeboard Connectors Replacement Considerations

Cross-reference compatible parts within the EDAC 305 series for alternative position counts. Verify mechanical footprint compatibility and electrical rating equivalence before substituting. Consult official EDAC documentation for updated lead times and availability of direct replacements.