305-070-556-258

Edgeboard Connectors Overview

The EDAC Inc. 305-070-556-258 is a standard card edge connector from the 305 series, designed for panel mount applications with a vertical orientation. It features 70 positions in a dual-row configuration, utilizing a 3.96 mm (0.156 inch) contact spacing. The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). Electrical specifications include a current rating of 5 A and an insulation resistance of 5 GOhms. The contacts are constructed from copper alloy with gold plating and terminate via solder pins. The insulator body is made of thermoplastic material.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design accommodating non-specified PCB cards
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Vertical panel mount installation style for secure structural attachment
• Thermoplastic insulator body provides electrical isolation and durability

Edgeboard Connectors Applications

• Industrial control systems requiring robust board-to-board connectivity
• Telecommunications equipment utilizing standard card edge interfaces
• Test and measurement instrumentation panels
• Automotive electronic modules needing high-reliability connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to confirm contact finish, row spacing, and mounting style variations within the 305 series. Ensure compatibility with the target PCB thickness of 1.57 mm before integration. Confirm RoHS compliance status if required by project specifications. Cross-reference the manufacturer datasheet for precise dimensional tolerances and mating force requirements to validate mechanical fit within the enclosure design constraints.

Edgeboard Connectors Selection Notes

Select this component when a 70-position dual-row interface is required for vertical panel mounting. The 3.96 mm pitch suits applications needing wider spacing between signal lines. Verify that the 5 A current rating meets the power distribution needs of the connected circuitry. Consider the thermoplastic housing material for environmental resistance and compare against alternative series like 315 or 355 if different form factors are necessary for the specific assembly layout.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors, which are widely used in modular electronic designs. The series offers various position counts and mounting options to support diverse industrial and commercial applications. The 305-070 variant specifically addresses high-density connection needs while maintaining the standardized dimensions and electrical characteristics typical of the family, ensuring interchangeability with other components in compatible systems.

Edgeboard Connectors Replacement Considerations

Public confirmed substitute part numbers: 305-070-556-501, 305-070-556-201.