305-074-521-503

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-503 is a dual-edge female card edge connector designed for panel and through-hole mounting. It features 74 positions arranged in two rows with a 0.156-inch (3.96mm) spacing. The contacts are made of copper alloy with gold plating, suitable for solder termination. The connector accepts non-specified dual-edge cards with thicknesses ranging from 0.054 to 0.070 inches. It operates within a temperature range of -40°C to 105°C and utilizes a thermoplastic polyester insulator.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for secure board retention
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Panel mount design with flange features for stable installation
• Compatible with standard PCB thickness specifications

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Telecommunications equipment backplanes
• Automotive electronic modules
• Medical device circuit boards

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact pin count, contact plating thickness, and insulation material properties. Ensure that the ordering information matches the required mechanical dimensions and electrical ratings for the target application environment.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-edge interface is required for panel-mounted applications. Consider the 0.156-inch pitch and 74-position capacity for system layout constraints. Verify compatibility with the target card's thickness range and ensure the operating temperature range meets environmental requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and configurations to support diverse interconnect needs. The 305 series is characterized by its durability and standardized dimensions, making it suitable for general-purpose industrial and commercial electronics applications.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with different position counts or contact configurations. Cross-reference mechanical drawings to ensure footprint compatibility before replacing.