305-028-521-258

Edgeboard Connectors Overview

The EDAC Inc. 305-028-521-258 is a standard card edge connector designed for panel mounting with a vertical orientation. It features 28 positions arranged in a dual row configuration with a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and accepts board thicknesses ranging from 1.37 mm to 1.78 mm. It employs a solder lug termination method and includes a flush mount flange with a top opening and threaded insert.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure positioning
• Provides a 5A continuous current rating with high dielectric strength
• Features semi-bellows contact type for reliable engagement

Edgeboard Connectors Applications

• Industrial control systems requiring robust panel-mounted interconnects
• Telecommunications equipment utilizing standardized card edge interfaces
• Test and measurement devices needing polarizable connector options

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct flange threading and contact plating specifications. Confirm that the required polarizing key compatibility matches the system design requirements before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge connector with a 3.96 mm pitch is required for panel installation. Ensure the host PCB thickness falls within the specified 1.37 mm to 1.78 mm range. Consider the availability of compatible polarizing keys if mechanical locking is necessary for the application environment.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series, which offers various position counts and termination styles. The series is characterized by its thermoplastic insulation and copper alloy contacts, providing a balance of durability and electrical performance for standard industrial connector applications.

Edgeboard Connectors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify exact dimensional and electrical compatibility with any alternative components before substitution.