305-018-521-202

Edgeboard Connectors Overview

The EDAC Inc. 305-018-521-202 is a standard card edge connector from the 305 series, designed for dual-edge female mating configurations. It features an 18-position layout with a 3.96 mm (0.156 inch) pitch and accommodates a board thickness of 1.57 mm. The contacts are constructed from copper alloy with gold plating to ensure reliable conductivity, rated for 5 A current. The insulator is made of green thermoplastic polyester, providing structural integrity and electrical isolation. This component utilizes solder pin termination for secure attachment.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for robust card insertion
• Gold-plated copper alloy contacts ensuring corrosion resistance and stable signal transmission
• Thermoplastic polyester insulator housing with vertical panel mount orientation

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact physical dimensions and termination style. Ensure compatibility with target PCB stack-up and mating card edge specifications before procurement. Cross-reference manufacturer part numbers directly to avoid substitution errors in critical assemblies.

Edgeboard Connectors Selection Notes

Select this model when a dual-edge female connector with 18 positions and 3.96 mm pitch is required. Confirm that the application environment supports the specified operating temperature range and current rating. Verify that the green thermoplastic insulation meets material requirements for the intended deployment scenario.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles, utilizing consistent 3.96 mm pitch geometry. The 305-018-521-202 variant specifically addresses applications requiring dual-edge access and panel-mounted installation within industrial electronics frameworks.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include EDAC part numbers such as 305-018-520-202 or 305-018-520-502, provided they match the required termination type and mounting orientation. Always validate dimensional drawings and contact plating specifications before substituting.