305-056-520-207

Edgeboard Connectors Overview

The EDAC Inc. 305-056-520-207 is a standard card edge connector header featuring 56 positions with a 3.96 mm pitch. It utilizes gold-plated copper alloy contacts and solder pin termination for secure board attachment. Designed for vertical panel mounting, the unit accommodates printed circuit boards with a nominal thickness of 1.57 mm. The connector supports a continuous current rating of 5 A and withstands 1800 VACrms voltage. It accepts both between-contact and in-contact polarizing keys to ensure proper alignment during mating.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for precise alignment
• Features a low profile insulator body constructed from thermoplastic material
• Provides high dielectric strength with an insulation resistance of 5 GOhms

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized backplane architectures
• Test and measurement instrumentation needing reliable signal transmission

Edgeboard Connectors Procurement Notes

Verify that the specific part number matches the required position count and pitch specifications before procurement. Confirm compatibility with polarizing key requirements if mechanical locking is necessary for the assembly. Ensure the operating environment temperature range aligns with the component's rated limits. Check for any updated RoHS compliance documentation to meet regulatory standards. Validate that the solder pin termination method suits the manufacturing process used.

Edgeboard Connectors Selection Notes

Select this component when a 56-position interface with a 3.96 mm spacing is required for vertical panel installation. Consider the 5 A current rating and 1800 VACrms insulation capability for electrical safety margins. Choose this model if the design mandates acceptance of polarizing keys for enhanced mechanical stability. Evaluate the 1.57 mm board thickness constraint against the target PCB specifications. Ensure the gold-plated contact finish meets corrosion resistance needs for the application environment.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its .156 inch (3.96 mm) contact spacing and .140 inch (3.56 mm) row spacing. These connectors are engineered for durability and consistent performance in demanding electronic assemblies. The 305 series offers various position counts to accommodate different signal density requirements while maintaining a uniform form factor.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available.