305-030-556-503

Edgeboard Connectors Overview

The EDAC Inc. 305-030-556-503 is a standard card edge connector from the 305 series, designed for dual-edge PCB mounting. It features 30 positions with a contact spacing 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, rated for 5 A continuous current. The housing is green thermoplastic polyester, supporting operation between -40°C and +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure alignment
• Low profile insulator body design for compact integration
• Gold-plated contacts ensure reliable signal transmission

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing dual-edge board connections
• Test and measurement devices needing high-density I/O

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness, material grades, and environmental certifications. Ensure compatibility with mating card edge thicknesses and polarizing key requirements before procurement. Cross-reference datasheet revisions to confirm current manufacturing status and compliance with latest regulatory standards.

Edgeboard Connectors Selection Notes

Select this model when a dual-edge connector with 3.96 mm pitch is required for 1.57 mm thick PCBs. Confirm that the application environment stays within the specified temperature range and current rating. Verify that the low-profile form factor meets spatial constraints and that polarizing key provisions align with system mechanical design.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and configurations for dual-edge applications. The 305-030-556-503 specifically provides 30 positions with gold contacts and a green polyester housing, fitting into broader industrial and telecommunications connectivity solutions.

Edgeboard Connectors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult EDAC official documentation or authorized distributors for verified cross-references and compatible alternatives.