305-076-521-578

Edgeboard Connectors Overview

The EDAC Inc. 305-076-521-578 is a standard card edge connector from the 305 series, designed for panel mount applications with a vertical orientation. It features a dual-row configuration providing 76 positions with a 3.96 mm pitch. The connector utilizes gold-plated copper alloy contacts and accepts PCBs with a thickness of 1.57 mm. Rated for 5 A continuous current, it employs a solder pin termination type. The housing is constructed from thermoplastic material, ensuring reliable electrical performance in industrial environments.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Provides high dielectric strength with a 1800VACrms rating
• Features gold-plated contacts for enhanced conductivity and corrosion resistance

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing polarized connection methods
• Test and measurement instrumentation panels

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to confirm the exact contact plating thickness and housing color variant. Ensure compatibility with the target PCB thickness of 1.57 mm before integration. Confirm that the required polarizing key style matches the available between-contact or in-contact options specified in the official datasheet to prevent assembly errors.

Edgeboard Connectors Selection Notes

Select this component when a 76-position dual-row interface is required with a 3.96 mm spacing. It is suitable for designs needing vertical panel mounting and solder pin termination. Consider the 5 A current rating and 1800VACrms insulation capability for high-reliability applications. Verify that the thermoplastic housing material meets the environmental temperature requirements of the target system.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles, all sharing a common 3.96 mm pitch architecture. These connectors are engineered for durability and consistent electrical performance across diverse industrial sectors, supporting both single and dual-edge card configurations.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series parts having identical 76-position counts and 3.96 mm pitch. Verify mechanical dimensions and terminal types match the existing PCB layout. Ensure equivalent electrical ratings and polarizing key compatibility before substituting.