305-040-555-278

Edgeboard Connectors Overview

The EDAC Inc. 305-040-555-278 is a standard card edge connector featuring a dual-row configuration with 40 positions. It utilizes a 3.96 mm (0.156 inch) contact pitch and a 3.56 mm row spacing. Designed for .062 inch (1.57 mm) nominal thickness printed circuit boards, the connector employs gold-plated copper alloy contacts and a green thermoplastic polyester insulator body. The unit supports a continuous current rating of 5 A and offers vertical panel mounting.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Accepts between-contact and in-contact polarizing keys
• Low-profile insulator body constructed from thermoplastic polyester

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Computer peripheral interface modules

Edgeboard Connectors Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm compatibility with your design requirements. Ensure that the ordering suffix matches the exact pin count, plating specification, and mounting style required for your application. Cross-reference technical drawings for dimensional accuracy before finalizing procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a dual-row connection is required for .062 inch thick PCBs. The 3.96 mm pitch accommodates high-density layouts while maintaining robust mechanical stability. Consider the 5 A current rating and operating temperature range to ensure suitability for the intended electrical load and environmental conditions.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 Series, which provides various mounting options and position counts. The series is characterized by its standardized 3.96 mm pitch and durable construction suitable for demanding electronic environments. It serves as a reliable interface solution within the broader category of standard card edge connectors.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include other EDAC 305 series variants with matching 40-position counts and 3.96 mm pitch specifications. Verify that alternative parts maintain identical row spacing, contact plating, and thermal ratings to ensure functional equivalence without redesigning the host assembly.