305-012-520-278

Edgeboard Connectors Overview

The EDAC Inc. 305-012-520-278 is a standard card edge connector featuring 12 positions with a 3.96 mm pitch. It utilizes gold-plated copper alloy contacts and solder pin termination for secure electrical connections. Designed for dual-edge card insertion, this component supports a continuous current rating of 5 A and withstands 1800 VACrms dielectric voltage. The housing is constructed from green thermoplastic material, ensuring durability in demanding environments.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for precise alignment
• Dual-edge female connector design for robust board interface
• Gold-plated contacts ensure reliable conductivity and corrosion resistance

Edgeboard Connectors Applications

• Industrial control systems requiring polarized card interfaces
• Telecommunications equipment utilizing standard card edge modules
• Test and measurement instrumentation boards

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm contact plating thickness and housing color variations. Ensure compatibility with existing polarizing key requirements before procurement. Confirm that the 3.96 mm pitch aligns with the target PCB layout specifications.

Edgeboard Connectors Selection Notes

Select this model when a 12-position dual-edge connector with polarizing key capability is required. The 5 A current rating suits moderate power applications. Verify that the 1.57 mm board thickness tolerance matches the system design constraints for proper mating force and retention.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts while maintaining consistent 3.96 mm pitch and panel mount vertical installation styles across the family.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC part numbers sharing the same 305 series prefix and 12-position count. Verify identical 3.96 mm pitch and dual-edge configuration to ensure mechanical interchangeability without redesigning the host enclosure.