305-082-521-258

Edgeboard Connectors Overview

The EDAC Inc. 305-082-521-258 is a standard card edge connector from the 305 series, designed for panel-mounted vertical installation. It features 82 positions arranged in a dual configuration with a 3.96 mm (0.156 inch) pitch. The connector utilizes gold-plated copper alloy contacts and solder lug termination for secure electrical connections. Rated for 5 A current, it supports PCB thicknesses ranging from 1.37 mm to 1.78 mm. The housing is constructed from green thermoplastic polyester, ensuring durability within an operating temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design accommodates non-specified double-sided circuit boards.
• Gold-plated copper alloy contacts provide reliable conductivity and corrosion resistance.
• Panel-mount vertical orientation with solder lug termination ensures stable mechanical fixation.
• Thermoplastic insulation offers high dielectric strength and thermal stability.

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Automotive electronic module interfaces
• Test and measurement instrument signal routing

Edgeboard Connectors Procurement Notes

Verify that the specific part number matches the required 82-position dual configuration and 3.96 mm pitch before procurement. Confirm compatibility with the target PCB thickness range of 1.37 mm to 1.78 mm to ensure proper insertion force and contact retention. Ensure the application environment remains within the specified -40°C to +105°C operating temperature limits. Check for any regional distribution restrictions or supply constraints associated with this EDAC series component prior to ordering.

Edgeboard Connectors Selection Notes

Select this connector when a robust, high-density interface is required for double-sided card edge applications. The 3.96 mm pitch allows for substantial trace spacing, reducing crosstalk risks in high-current scenarios. The vertical panel-mount style simplifies assembly in enclosed chassis designs. Consider the 5 A current rating against total load requirements. The gold plating thickness should be evaluated for expected mating cycles to maintain long-term contact reliability.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors, which are widely used in industrial and commercial electronics. The series offers various position counts and configurations to suit different board densities. The 305-082 variant specifically addresses high-pin-count requirements while maintaining the standard 3.96 mm pitch characteristic of the family. It serves as a critical interconnect solution between daughterboards and main systems.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include 305-082-521-202 and 305-082-521-207, which share identical mechanical and electrical specifications. Verify that alternative part numbers match the exact 82-position count and dual-edge female configuration. Cross-reference pinout and termination styles to ensure functional equivalence without redesigning the host PCB footprint.