305-070-555-278

Edgeboard Connectors Overview

The EDAC Inc. 305-070-555-278 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 70 positions with a pitch of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester housing. It supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C. The unit employs a straddle mount installation style with solder lug termination.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design for secure board retention
• Gold-plated contacts ensure reliable signal transmission
• Straddle mount configuration provides stable panel integration

Edgeboard Connectors Applications

• Card extender systems
• Panel-mounted interface modules
• Industrial control hardware connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against official EDAC documentation to confirm contact plating thickness, housing color, and termination style. Ensure compatibility with target PCB edge thickness and mounting hole specifications before procurement. Cross-reference manufacturer part numbers directly to avoid substitution errors.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge, straddle-mount solution is required for high-density interconnects. Confirm that the 3.96 mm pitch aligns with the mating card edge layout. Validate that the 5 A current rating meets system power requirements and that the operating temperature range suits the environmental conditions.

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. The 305-070-555-278 specifically addresses needs for robust, dual-sided board connections in industrial and commercial electronics assemblies requiring durable mechanical retention.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC 305-070-556-568 and 305-070-520-268, provided they match the required pin count and termination type. Verify dimensional drawings and mounting configurations to ensure mechanical compatibility with existing enclosures.