305-074-521-558

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-558 is a dual-edge female card edge connector designed for panel and through-hole mounting. It features 74 positions with a 0.156-inch (3.96mm) contact spacing and a 0.140-inch (3.56mm) row spacing. The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). Contacts are made of copper alloy with gold plating, rated for 5A current at 105°C maximum operating temperature.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Low-profile insulator body constructed from thermoplastic material

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Communication equipment backplanes
• Consumer electronics manufacturing
• Medical device internal connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the official EDAC ordering guide to confirm exact pin count, termination style, and flange specifications. Ensure compatibility with the target PCB thickness of 0.062 inches. Confirm RoHS3 compliance status if required by project regulations before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a high-density 74-position interface is required within standard 0.156-inch pitch constraints. The vertical panel mount design suits applications needing direct board-to-board or cable-to-board integration in confined spaces. Verify that the 5A current rating meets the electrical load requirements of the specific circuit application.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series, which provides standardized card edge connectors for various industrial and commercial applications. The series offers multiple position counts and termination options, allowing designers to scale connectivity needs while maintaining consistent mechanical and electrical performance characteristics across different product lines.

Edgeboard Connectors Replacement Considerations

Direct substitutes include other EDAC 305 series variants with matching 74-position counts and 0.156-inch spacing. Cross-reference mechanical drawings for identical panel cutout dimensions and mounting hole placements to ensure physical compatibility without redesigning the host enclosure.