305-040-556-503

Edgeboard Connectors Overview

The EDAC Inc. part number 305-040-556-503 is a standard card edge connector from the 305 series, designed for board edge straddle mount applications. It features a dual female configuration with 40 positions and a pitch of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts and a thermoplastic housing. It supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C. The unit is RoHS compliant and suitable for vertical panel installation.

Edgeboard Connectors Feature Summary

• Dual female contact configuration for reliable signal transmission
• Straddle mount design ensures secure board edge connection
• Gold-plated contacts provide corrosion resistance and low contact resistance

Edgeboard Connectors Applications

• Board edge extension interfaces
• Vertical panel mounting systems
• Industrial control module interconnects

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness and housing color variations. Ensure compatibility with target PCB thickness specifications before procurement. Confirm RoHS compliance status through the latest manufacturer datasheet. Validate that the selected variant matches the required 40-position count and 3.96 mm pitch for the intended application.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 40-position card edge interface with a 3.96 mm pitch is required. The straddle mount style is ideal for applications needing robust mechanical retention on the board edge. Verify that the operating environment falls within the specified -40°C to +105°C range. Ensure the mating card thickness aligns with the connector's acceptance criteria for proper insertion force and electrical continuity.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles to accommodate diverse electronic assembly needs. The 305-040-556-503 specifically addresses requirements for dual-row, 40-pin interfaces with high reliability standards.

Edgeboard Connectors Replacement Considerations

Consult official EDAC cross-reference guides for verified substitute part numbers. Ensure any replacement maintains identical pitch, position count, and mounting style. Verify that alternative components meet the same electrical and environmental specifications.