305-028-556-578

Edgeboard Connectors Overview

The EDAC Inc. 305-028-556-578 is a standard card edge connector designed for panel mounting applications. It features a dual-edge female configuration with 28 positions arranged in two rows. The connector utilizes a 3.96 mm (0.156 inch) pitch and accommodates board thicknesses ranging from 1.37 mm to 1.78 mm. Contacts are constructed from copper alloy with gold plating, ensuring reliable signal transmission. Rated for 5 A current, the unit operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure board insertion
• Gold-plated copper alloy contacts for corrosion resistance
• Thermoplastic insulator housing for thermal stability
• Panel mount installation style with vertical orientation

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Test and measurement instrument interfaces
• Automotive electronic module connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pin count, contact material specifications, and termination type. Ensure compatibility with target PCB edge card dimensions and required current ratings before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a robust, high-current card edge interface is required for panel-mounted assemblies. Consider the 3.96 mm pitch and dual-row layout for space-constrained designs needing substantial I/O density. Validate environmental operating limits against application requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series provides various position counts and mounting options for diverse electronic integration needs. The 305-028 variant specifically addresses applications requiring 28-position connectivity with standardized mechanical dimensions.

Edgeboard Connectors Replacement Considerations

Cross-reference compatible parts within the EDAC 305 series or equivalent manufacturers offering identical 3.96 mm pitch dual-edge connectors. Verify mechanical fit, electrical ratings, and termination methods match original design specifications.