305-078-556-207

Edgeboard Connectors Overview

The EDAC Inc. 305-078-556-207 is a standard card edge connector from the 305 series, designed for dual-edge card applications. It features 78 positions with a 3.96 mm (0.156 inch) pitch across two rows. The connector utilizes copper alloy contacts with gold plating and a green thermoplastic insulator. It supports a board thickness of 1.57 mm and offers a current rating of 5 A per contact. Operating temperatures range from -40°C to +105°C, with an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 78 positions for high-density signal routing
• Gold-plated copper alloy contacts ensure reliable electrical connection
• Thermoplastic housing provides structural integrity and thermal stability

Edgeboard Connectors Applications

• Industrial control systems requiring robust panel-mounted connections
• Telecommunications equipment utilizing dual-edge card interfaces
• Test and measurement instrumentation needing stable signal paths

Edgeboard Connectors Procurement Notes

Verify that the specific part number matches the required 78-position count and 3.96 mm pitch before ordering. Confirm compatibility with the target PCB board thickness of 1.57 mm to ensure proper mechanical fit. Check RoHS compliance status against project requirements. Ensure the gold plating specification meets the necessary conductivity standards for the application environment.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge connector with 78 positions is required. The 3.96 mm pitch is suitable for applications not demanding finer geometries. Consider the vertical panel mount style and solder pin termination method. Verify that the 5 A current rating and temperature range align with the system's operational demands.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 series, which includes various position counts and configurations. It is categorized as a standard card edge connector header. The product is manufactured by EDAC Inc., a provider of interconnect solutions. The specific model indicates a dual female connector design optimized for edge-board mating.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for alternative position counts or pitch variations within the same family. Verify mechanical dimensions and electrical ratings against any potential substitute parts to ensure functional equivalence.