305-038-556-503

Edgeboard Connectors Overview

The EDAC Inc. 305-038-556-503 is a standard card edge connector featuring 38 positions with dual female contacts. It utilizes a 3.96 mm (0.156 inch) pitch and accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). The component operates within a temperature range of -40°C to +105°C, supports a continuous current rating of 5 A, and withstands 1800 VACrms voltage. It employs gold-plated copper alloy contacts housed in a green thermoplastic polyester insulator body.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Features a low-profile insulator body designed for straddle mount installation
• Provides reliable electrical connection through gold-plated copper alloy contacts

Edgeboard Connectors Applications

• High-density electronic system interconnections
• Industrial control panel mounting
• Telecommunications equipment backplanes

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact contact configuration and plating specifications. Ensure compatibility with the target PCB thickness of 1.57 mm before finalizing procurement orders. Cross-reference the manufacturer part number with authorized distributor catalogs to validate current availability status and lead times.

Edgeboard Connectors Selection Notes

Select this connector when a dual-edge female interface is required for 38-position signal routing. The 3.96 mm pitch accommodates standard board layouts while the 5 A rating suits moderate power applications. Verify that the mounting style aligns with the mechanical constraints of the enclosure 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 mounting options, providing a modular solution for vertical and horizontal board connections. The 305 series is widely recognized for its robust construction and compatibility with polarizing keying systems.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC part numbers within the same 305 series family, such as 305-038-556-504 or 305-038-556-508, which share identical mechanical dimensions and contact configurations. Always verify pinout continuity and insulation material specifications before implementing any cross-replacement.

Edgeboard Connectors FAQ

What is the maximum operating temperature for this connector?

The maximum operating temperature is +105°C.

Does this connector support polarizing keys?

Yes, it accepts both between-contact and in-contact polarizing keys.