305-022-520-278

Edgeboard Connectors Overview

The EDAC Inc. 305-022-520-278 is a standard card edge connector from the 305 Series, designed for dual-edge circuit board applications. It features 22 positions with a 3.96 mm (0.156 inch) pitch and supports a maximum PCB thickness of 1.57 mm. The connector utilizes gold-plated copper alloy contacts to ensure reliable signal transmission and is rated for 5 A continuous current. Constructed with a green thermoplastic housing, it offers high insulation resistance and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure module alignment
• Provides robust electrical performance with a 5A continuous current rating
• Features gold-plated contacts on copper alloy substrates for durability

Edgeboard Connectors Applications

• Connecting dual-edge circuit cards or modules
• Panel-mounted electronic interconnect systems
• Industrial control unit interface connections

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact housing color, contact plating thickness, and termination style. Ensure compatibility with required PCB thickness tolerances and panel mounting hardware specifications before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connector with a 3.96 mm pitch is required for panel installation. Confirm that the application environment stays within the specified -40°C to +105°C operating range and that the 5A current rating meets the system's power distribution requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series of standard card edge connectors. The series provides various position counts and mounting configurations, utilizing consistent 3.96 mm spacing and thermoplastic housings to support diverse industrial and commercial electronic assembly needs.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series ordering guide for direct substitutes with different position counts or termination styles. Verify mechanical dimensions and electrical ratings match the original design intent before swapping components.