305-086-521-503

Edgeboard Connectors Overview

The EDAC Inc. 305-086-521-503 is a standard card edge connector receptacle featuring 86 positions with a 3.96 mm (0.156 inch) contact spacing and 3.56 mm row spacing. Designed for .062 inch nominal thickness PCBs, it utilizes gold-plated copper alloy contacts terminated via solder. The component supports a continuous current rating of 5 A and withstands 1800 VACrms voltage. It accepts between-contact and in-contact polarizing keys and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure alignment
• Low profile insulator body construction
• Gold-plated copper alloy contacts for reliable conductivity

Edgeboard Connectors Applications

• High-density electronic board interconnections
• Industrial control systems requiring polarized connections
• Communication equipment backplanes

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against the manufacturer's official documentation to confirm exact termination style and plating specifications. Ensure compatibility with the target PCB thickness of 1.57 mm nominal. Confirm that the required polarizing key type matches the connector's acceptance capabilities before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when an 86-position interface is required with precise polarization needs. The 3.96 mm pitch suits applications demanding robust mechanical stability. Verify that the system environment stays within the specified -40°C to +105°C operational limits to ensure long-term reliability.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its ability to handle high pin counts while maintaining low profile dimensions. It serves as a critical interface solution for modular electronic designs requiring durable and repeatable mating cycles.

Edgeboard Connectors Replacement Considerations

Consult official EDAC cross-reference lists for verified substitutes. Generic equivalents may not support the specific polarizing key acceptance or exact dimensional tolerances required for this application.