305-078-520-207

Edgeboard Connectors Overview

The EDAC Inc. 305-078-520-207 is a standard card edge connector featuring 78 positions arranged in a dual-row configuration with 39 positions per row. It utilizes a contact spacing of 0.156 inches (3.96 mm) and a row spacing of 0.140 inches (3.56 mm). The component accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). Electrical specifications include a current rating of 5 A, insulation resistance of 5 GOhms, and an operating temperature range from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual female contact configuration designed for vertical panel mounting applications
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Low-profile thermoplastic polyester insulator body construction

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Computer peripheral interface modules

Edgeboard Connectors Procurement Notes

Verify the specific manufacturer datasheet for the 305-078-520-207 to confirm the exact current rating, as some sources indicate 3 A while others specify 5 A. Ensure the selected variant matches the required thermal and mechanical constraints for the target enclosure environment before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this connector when a dual-row card edge interface with 3.96 mm pitch is required for panel-mounted assemblies. Confirm that the mating PCB thickness aligns with the 1.57 mm design specification. Verify that the housing material and contact plating meet the environmental durability requirements of the intended deployment scenario.

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, providing modular connectivity solutions for electronic systems requiring robust board-to-board or board-to-panel interfaces with standardized dimensional tolerances.

Edgeboard Connectors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 78-position count, 3.96 mm pitch, and dual-row form factor with alternative manufacturers' specifications.