305-074-521-208

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-208 is a standard card edge connector from the 305 series, designed for dual-edge female applications. It features 74 positions with a 0.156-inch (3.96 mm) contact spacing. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester housing. Rated for 5 A current, it supports PCB thicknesses of 0.054 to 0.070 inches. Operating temperatures range from -40°C to +105°C, with an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-edge female configuration for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Thermoplastic polyester housing provides thermal stability
• Vertical panel or PCB mount installation options

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Medical device circuit board interfaces
• Automotive electronics module connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact pin count and plating specifications. Ensure compatibility with target PCB thickness limits before procurement. Confirm RoHS compliance status through manufacturer datasheets. Validate that the selected variant matches the required mounting style and orientation for the intended assembly.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-edge interface is required with robust electrical ratings. The 3.96 mm pitch accommodates standard board layouts while maintaining signal integrity. Consider the 5 A current rating for power distribution needs. Verify that the operating temperature range meets environmental demands. Ensure mechanical fit within the designated panel or chassis space.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series, which offers a wide range of card edge connectors. The series is known for providing versatile connection solutions across various industries. Components in this line typically feature durable materials and precise manufacturing tolerances. The 305 series supports both single and dual-edge configurations for diverse application requirements.

Edgeboard Connectors Replacement Considerations

Direct substitutes may include other EDAC 305 series variants with matching position counts and pitch. Cross-reference pin counts and spacing dimensions carefully. Verify housing material and plating specifications for equivalent performance. Consult official cross-reference guides for approved alternative part numbers.