305-018-521-508

Edgeboard Connectors Overview

The EDAC Inc. 305-018-521-508 is a standard card edge connector featuring 18 positions arranged in a dual-row configuration. It utilizes a 3.96 mm (0.156 inch) pitch and is designed for non-specified dual-edge cards with thicknesses ranging from 1.37 mm to 1.78 mm. The component employs a vertical panel mount style with solder lug termination. Contacts are constructed from copper alloy with gold plating, rated for 5 A current at an insulation resistance of 5 GOhms. Operating temperatures span from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design accommodates standard PCB card edges
• Vertical panel mounting orientation provides secure structural integration
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic housing offers thermal stability within specified operating ranges

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Medical device circuit board assemblies

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact termination type and flange characteristics. Ensure compatibility with target PCB thickness limits before procurement. Confirm RoHS compliance status through manufacturer datasheets. Cross-reference ordering guides for packaging quantities and lead times directly with authorized distributors.

Edgeboard Connectors Selection Notes

Select this connector when dual-edge card interface requirements align with the 3.96 mm pitch specification. Evaluate mechanical constraints to ensure vertical panel mounting fits the enclosure design. Verify that the 5 A current rating meets circuit load demands. Confirm that the thermoplastic housing material withstands environmental conditions during operation.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series provides various position counts and termination options for board-to-board or board-to-backplane connections. The 305 series is engineered for durability in demanding electronic environments, offering consistent electrical performance across multiple industrial applications.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 series ordering guide for direct substitutes with identical pitch and row configurations. Verify that alternative part numbers match the required termination style and flange dimensions. Ensure replacement components maintain equivalent electrical ratings and temperature specifications.