305-074-520-503

Edgeboard Connectors Overview

The EDAC Inc. 305-074-520-503 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 74 positions with a contact pitch of 3.96 mm (0.156 inches) and a row spacing of 3.56 mm (0.140 inches). The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches). Contacts are gold-plated copper alloy, terminated via solder pins. Rated at 5 A, it operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-row configuration supporting dual-edge PCB insertion
• Gold-plated contacts ensure reliable signal transmission
• Low-profile insulator body design for space-constrained panels
• Vertical panel mount style for secure structural integration

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Telecommunications equipment backplanes
• Automotive electronic modules
• Medical device internal connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness, material composition, and mounting variations. Ensure compatibility with the target PCB thickness of 1.57 mm before procurement. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability and regional distribution status.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with a 3.96 mm pitch is required. Confirm that the application environment falls within the specified operating temperature range of -40°C to +105°C. Verify that the mating PCB thickness matches the 1.57 mm specification to ensure proper mechanical retention and electrical contact.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 series, which provides various positioning options for card edge applications. The series supports different mounting styles and contact configurations. The 305-074-520-503 specifically addresses high-density requirements with its 74-position layout while maintaining standard industrial form factors.

Edgeboard Connectors Replacement Considerations

Consult official EDAC substitution guides for direct equivalents. Verify pin count, pitch, and mounting style compatibility before considering alternative part numbers.