305-074-521-508

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-508 is a standard card edge connector from the 305 series, designed for panel mount installation with a vertical orientation. It features 74 positions in a dual female configuration, utilizing a 0.156-inch (3.96 mm) contact spacing and a 0.140-inch (3.56 mm) row spacing. The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). Contacts are constructed from copper alloy with gold plating to ensure reliable signal transmission. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and includes a low-profile insulator body.

Edgeboard Connectors Feature Summary

• Dual female contact configuration for non-specified card edge applications
• Gold-plated copper alloy contacts for enhanced conductivity and corrosion resistance
• Low-profile thermoplastic polyester insulator body design
• Panel mount installation style with vertical orientation

Edgeboard Connectors Applications

• Industrial control systems requiring robust board-to-board connectivity
• Communication equipment interfaces
• Medical device internal connections
• Energy sector hardware assemblies

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the official EDAC ordering guide to confirm exact pin count, termination type, and flange characteristics. Ensure the selected variant matches the required PCB thickness tolerance and mounting hole specifications. Cross-reference the manufacturer part number with distributor catalogs to confirm availability status and lead times prior to finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-row connection is required for panels or backplanes. The 0.156-inch pitch accommodates standard industrial board layouts. Verify that the application environment stays within the specified -40°C to +105°C operating range. Confirm that the PCB material and thickness align with the connector's mechanical acceptance criteria for secure insertion.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors, which are widely utilized across various electronic industries. The series offers diverse positioning options and mounting styles to support different structural requirements. EDAC designs these connectors to provide durable interconnections for both commercial and industrial environments, ensuring consistent performance under varying operational conditions.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with differing position counts or termination styles. Verify mechanical compatibility and electrical ratings before integrating alternative part numbers into existing designs.