305-078-556-512

Edgeboard Connectors Overview

The EDAC Inc. model 305-078-556-512 is a standard card edge connector designed for dual female termination applications. It features 78 positions with a contact spacing of 0.156 inches (3.96 mm) and a row spacing of 0.140 inches (3.56 mm). The unit accommodates printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). Constructed with copper alloy contacts featuring gold plating, the connector utilizes a green thermoplastic insulator body. It supports panel mounting in a vertical orientation with solder pin termination.

Edgeboard Connectors Feature Summary

• Dual female termination configuration for secure board insertion
• Low profile insulator body design for compact assembly
• Gold-plated copper alloy contacts for reliable conductivity
• Vertical panel mounting style with solder pin termination

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Test and measurement instrument modules
• Computing hardware peripheral interfaces

Edgeboard Connectors Procurement Notes

Verify that the specific ordering suffix matches the required contact spacing and board thickness specifications. Confirm the insulation material color and terminal type align with the assembly requirements. Ensure compliance with relevant environmental standards such as RoHS before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-edge connection is required for standard thickness boards. Evaluate the vertical mounting constraints and ensure sufficient panel space for the 78-position footprint. Consider the thermal operating range and current carrying capacity relative to the application load.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and termination options for diverse electronic interconnection needs. The 305 series is characterized by its robust construction and compatibility with standard PCB dimensions used in commercial and industrial electronics.

Edgeboard Connectors Replacement Considerations

Cross-reference compatible parts within the same EDAC 305 series family. Verify identical positioning, spacing, and termination methods before substitution. Ensure alternative components meet the same mechanical and electrical performance criteria.