305-078-555-258

Edgeboard Connectors Overview

The EDAC Inc. 305-078-555-258 is a standard card edge connector designed for panel mounting applications. It features a dual-row configuration with 78 positions and a contact spacing of 3.96 mm (0.156 inches). The connector utilizes gold-plated copper alloy contacts and a solder pin termination type. It is rated for a continuous current of 5 A and operates within a temperature range of -40°C to +105°C. The insulator body is green thermoplastic polyester, accepting printed circuit boards with a nominal thickness of 1.57 mm.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Panel mount style with vertical orientation for structural stability

Edgeboard Connectors Applications

• 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 datasheet to confirm exact physical dimensions and termination requirements. Ensure compatibility with the target PCB thickness of 1.57 mm. Confirm that the 5 A current rating meets the application's electrical load requirements before finalizing procurement.

Edgeboard Connectors Selection Notes

Select this component when a high-density 78-position connection is required in a panel-mounted configuration. The 3.96 mm pitch offers robust spacing for industrial environments. Consider the 5 A rating and -40°C to +105°C operating range to ensure suitability for the intended thermal and electrical conditions.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides standard card edge connectors with various position counts. The series is characterized by its durable thermoplastic insulation and gold-plated contacts, suitable for demanding electronic assemblies requiring reliable signal transmission.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include the 305-078-555-208 and 305-078-555-568 from the same manufacturer series, provided they match the required termination style and housing material specifications.