305-040-521-203

Edgeboard Connectors Overview

The EDAC Inc. 305-040-521-203 is a standard card edge connector designed for panel mounting applications. It features a dual-row configuration with 40 positions and a contact spacing of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts to ensure reliable signal transmission. It supports a continuous current rating of 5 A and operates within a temperature range of -40°C to +105°C. The housing is constructed from thermoplastic material, providing durability and insulation. This component accepts board thicknesses between 1.37 mm and 1.78 mm.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design compatible with non-specified card types
• Gold-plated contacts on copper alloy substrate for enhanced conductivity
• Thermoplastic insulator housing with vertical panel mount orientation
• Supports between-contact and in-contact polarizing keys

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnect solutions
• Medical equipment interfaces demanding high reliability
• Agricultural technology hardware exposed to harsh environments
• General-purpose electronic modules utilizing card edge architecture

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pin count, plating specifications, and termination style. Ensure compatibility with the target PCB thickness range of 1.37 mm to 1.78 mm. Confirm that the required current rating of 5 A aligns with system power requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Edgeboard Connectors Selection Notes

Select this model when a 40-position dual-row interface is required with a 3.96 mm pitch. Consider the 5 A current capacity and wide operating temperature range for demanding environments. Verify that the panel mount style fits the mechanical enclosure constraints. Compare against other series members if different contact counts or board thickness tolerances are needed.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 Series, which offers various contact configurations ranging up to 86 positions. The series provides standardized card edge connectors suitable for diverse industrial and commercial applications. Other variants in the family differ primarily in position count and specific housing dimensions while maintaining consistent electrical characteristics and mounting styles.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC part numbers such as 305-040-521-202 and 305-040-520-203. These alternatives share similar form factors but may differ in packaging quantity or specific manufacturing revisions. Always cross-reference the detailed mechanical drawings and electrical ratings before substitution.