305-040-556-502

Edgeboard Connectors Overview

The EDAC Inc. 305-040-556-502 is a standard card edge connector from the 305 Series, designed for dual-edge board applications. It features 40 positions with a 3.96mm (0.156 inch) pitch and supports a continuous current rating of 5A. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic housing. It accepts between-contact and in-contact polarizing keys and provides an insulation resistance of 5 GOhms. The unit operates within a temperature range of -40°C to +105°C and accommodates PCB thicknesses between 1.37mm and 1.78mm.

Edgeboard Connectors Feature Summary

• Dual-row female configuration for non-specified dual-edge card connections
• Accepts between-contact and in-contact polarizing keys for secure alignment
• Gold-plated copper alloy contacts ensure reliable electrical performance
• Thermoplastic housing provides structural integrity and environmental protection

Edgeboard Connectors Applications

• Panel-mounted electronic assemblies requiring vertical interconnection
• Industrial control systems utilizing dual-edge circuit boards
• Equipment requiring polarized card insertion for safety and alignment
• High-reliability signal transmission in harsh thermal environments

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact contact plating thickness, housing color, and mounting style variations. Ensure that the selected variant matches the required PCB thickness tolerance and panel mounting requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability and compliance with RoHS standards before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 40-position interface with a 3.96mm pitch is required for vertical panel mounting. Confirm compatibility with the target PCB's dual-edge geometry and thickness specifications. Evaluate the need for polarizing key acceptance if precise card orientation is critical for the assembly. Ensure the operating temperature range and current ratings align with the system's electrical and environmental demands.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 Series, which offers various mounting styles and position counts for card edge applications. The series is characterized by robust construction and compatibility with polarizing keys. This specific model represents a dual-edge solution suitable for applications demanding high reliability and secure mechanical retention of the inserted circuit board.

Edgeboard Connectors Replacement Considerations

Consult official EDAC substitution guides for direct equivalents within the 305, 315, or 355 series. Verify dimensional compatibility and pinout consistency before considering alternative part numbers.