305-028-556-502

Edgeboard Connectors Overview

The EDAC Inc. 305-028-556-502 is a dual-edge female card edge connector designed for board-to-board applications. It features 28 positions with a 0.156-inch (3.96mm) spacing across two rows. The contacts are made of copper alloy with a gold plating thickness of 10.0µin (0.25µm). The housing is green thermoplastic polyester, rated for operation between -40°C and +105°C. It supports PCB mounting via solder termination and accommodates card thicknesses from 0.054 to 0.070 inches.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for non-specified card types
• Gold-plated semi-bellows contact type for reliable signal transmission
• Flush mount flange feature with top opening design
• Thermoplastic polyester insulation material for durability

Edgeboard Connectors Applications

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

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official 305 Series Ordering Guide to ensure correct flange and termination specifications. Confirm RoHS3 compliance status and lead times directly with authorized distributors, as availability may vary by region and production batch.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge female connector with 28 positions and 3.96mm pitch is required. Ensure the mating card thickness falls within the 0.054 to 0.070 inch range. Verify that the flush mount flange style aligns with the mechanical enclosure constraints of the target application.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and termination styles. The 305-028 variant specifically provides a compact 28-position interface suitable for space-constrained electronic assemblies requiring robust dual-edge connectivity.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with different position counts or flange features. Cross-reference with other manufacturers' 0.156 inch pitch dual-edge connectors if alternative sourcing is necessary, ensuring mechanical and electrical compatibility.