305-040-556-203

Edgeboard Connectors Overview

The EDAC Inc. 305-040-556-203 is a standard card edge connector from the 305 series, designed for panel mount applications with a vertical orientation. It features 40 positions arranged in a dual row configuration with a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and solder pin termination. It supports a PCB thickness of 1.57 mm and has a current rating of 5 A.

Edgeboard Connectors Feature Summary

• Dual-row female contact configuration for double-sided card edge interfaces
• Semi-bellows contact type ensuring secure mechanical retention
• Thermoplastic polyester insulation housing with green coloration
• Panel mount installation style with vertical alignment

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Test and measurement instrument modules
• Automotive electronic sub-systems

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to confirm contact finish thickness and flange features, as variations exist within the 305 series. Confirm RoHS compliance status and REACH restrictions prior to integration. Ensure the selected variant matches the required PCB thickness tolerance of 1.57 mm for proper fitment.

Edgeboard Connectors Selection Notes

Select this component when a 40-position dual-row interface is required with a 3.96 mm pitch. Consider the 5 A current rating and -40°C to +105°C operating temperature range for environmental suitability. Verify that the panel mount style aligns with the enclosure design requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting options. The 305-040-556-203 specifically provides a 40-position solution with gold plating and thermoplastic insulation, suitable for general-purpose high-reliability applications.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series parts for different position counts or flange configurations. Verify compatibility with mating card edge boards regarding thickness and contact engagement depth before substitution.