305-040-555-503

Edgeboard Connectors Overview

The EDAC Inc. 305-040-555-503 is a standard card edge connector from the 305 Series, designed for dual-edge board applications. It features 40 positions with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes female contacts with gold plating and accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). It supports a continuous current rating of 5 A and withstands 1800 VACrms dielectric voltage. The housing is green thermoplastic polyester, operating within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Low profile insulator body design for compact panel mounting
• Dual female contact configuration ensures reliable signal transmission

Edgeboard Connectors Applications

• Panel-mounted electronic interconnect systems
• Industrial control board interfaces
• Telecommunications equipment backplanes

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official 305 Series Ordering Guide to ensure correct flange and termination specifications. Confirm that the target PCB thickness aligns with the connector's acceptance range. Check regional availability as distribution status may vary by location.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge card edge connector with 40 positions and 3.96 mm pitch is required. Ensure the application environment falls within the specified temperature range. Verify compatibility with existing polarizing key requirements and panel mounting constraints before integration.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series of standard card edge connectors. The series offers various position counts and termination options. The 305-040-555-503 variant specifically provides a dual-edge female configuration suitable for robust panel installations requiring high dielectric strength.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with identical electrical and mechanical parameters. Cross-reference compatible parts from other manufacturers only if pinout and form factor match exactly.