305-070-556-558

Edgeboard Connectors Overview

The EDAC Inc. model 305-070-556-558 is a standard card edge connector designed for dual-edge board connections. It features 70 positions with a pitch of 3.96 mm (0.156 inches). The connector supports a maximum PCB thickness of 1.57 mm and utilizes gold-plated copper alloy contacts rated for 5 A continuous current. It employs a panel mount style with a vertical orientation and solder pin termination. The housing is constructed from thermoplastic polyester, providing an insulation resistance of 5 GOhms. Operating temperatures range from -40°C to +105°C, and it accepts between-contact and in-contact polarizing keys.

Edgeboard Connectors Feature Summary

• Dual-edge configuration with card guide features for secure board insertion
• Gold-plated copper alloy contacts ensure reliable electrical performance
• Accepts between-contact and in-contact polarizing keys for alignment
• Vertical panel mount design with solder pin termination

Edgeboard Connectors Applications

• Card extender applications requiring high-density interconnects
• Straddle mount installations for vertical board support
• Industrial control systems utilizing dual-edge card interfaces
• Electronic modules requiring polarized keying for correct orientation

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against official EDAC documentation to confirm exact contact plating thickness and insulator color specifications. Confirm that the required polarizing keys are ordered separately if not included in the base assembly. Ensure compatibility with the target PCB thickness of 1.57 mm before finalizing procurement orders to prevent mechanical fit issues.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connection with 70 positions is required. The 3.96 mm pitch suits standard industrial card formats. Verify that the application environment stays within the -40°C to +105°C operating range. Consider the need for additional card guides or polarizing keys based on the mechanical design requirements of the host chassis.

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 styles. The 305 series is characterized by its robust thermoplastic housing and reliable copper alloy contact system. It is designed for general-purpose electronic interconnects where durability and precise alignment are critical.

Edgeboard Connectors Replacement Considerations

Consult EDAC Inc. directly for verified substitute part numbers. Cross-referencing requires matching the 70-position count, 3.96 mm pitch, dual-edge configuration, and vertical panel mount style. Ensure any alternative component meets the same 5 A current rating and thermal specifications.