305-028-555-268

Edgeboard Connectors Overview

The EDAC Inc. 305-028-555-268 is a standard card edge connector from the 305 series, designed for dual-edge female connections. It features 28 positions with a 3.96 mm (0.156 inch) pitch and a 3.56 mm row spacing. The connector supports printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). Constructed with copper alloy contacts featuring gold plating and a green thermoplastic insulator, it provides a 5 A current rating and 1800 VACrms dielectric strength. Operating temperatures range from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Features low-profile insulator body for compact panel mounting applications
• Utilizes half-beam contact type for reliable signal transmission

Edgeboard Connectors Applications

• Panel-mounted electronic interconnect systems
• Dual-edge card insertion interfaces
• Industrial control module connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the official EDAC ordering guide to confirm exact mechanical variations such as flange types or mounting styles. Ensure compatibility with the target PCB thickness and polarizing key requirements before procurement. Cross-reference the manufacturer part number with distributor listings to confirm current availability and RoHS compliance status.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 28-position interface with 3.96 mm spacing is required. Confirm that the application environment stays within the specified -40°C to +105°C temperature range. Verify that the mating card meets the 1.57 mm nominal thickness specification. Ensure the design accommodates the necessary polarizing key slots if high-reliability alignment is critical.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of card edge connectors, which are widely used in industrial and commercial electronics. The series offers various position counts and mounting options, providing flexibility for different panel integration needs. The 305 series is known for its robust construction and consistent electrical performance across diverse operating conditions.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305, 315, and 355 Series Ordering Guide for verified substitute part numbers. Ensure any replacement maintains identical pitch, row count, and mounting characteristics.