305-040-521-558

Edgeboard Connectors Overview

The EDAC Inc. 305-040-521-558 is a dual-row female card edge connector with 40 positions and a 0.156-inch (3.96mm) contact spacing. It features gold-plated contacts, a green thermoplastic polyester insulator, and supports PCB thicknesses from 0.054 to 0.070 inches. Designed for panel and through-hole mounting, it operates within a temperature range of -40°C to 105°C.

Edgeboard Connectors Feature Summary

• Dual-edge configuration with half-waveform contacts for secure board insertion
• Gold-plated terminals ensure reliable electrical conductivity
• Integrated flange with top opening facilitates flush panel installation

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Medical device circuit boards

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pin count, plating specifications, and mounting style. Ensure compatibility with the target printed circuit board thickness and panel cutout dimensions before procurement.

Edgeboard Connectors Selection Notes

Select this component when a dual-row interface with 0.156-inch pitch is required. Confirm that the application environment falls within the specified operating temperature range and that the PCB material is compatible with the connector's thermal ratings.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides standard card edge connectors with various row spacings and mounting options. The series is designed for general-purpose electronic applications requiring robust mechanical retention and stable electrical performance.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series ordering guide for direct substitutes with different pin counts or row configurations. Verify mechanical footprint compatibility when considering alternative manufacturers.