305-022-556-508

Edgeboard Connectors Overview

The EDAC Inc. 305-022-556-508 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 22 positions with a contact spacing of 3.96 mm (0.156 inches) and a row spacing of 3.56 mm. The connector utilizes gold-plated copper alloy contacts and a green thermoplastic insulator body. Rated for 5 A current, it supports PCB thicknesses around 1.57 mm nominal. Operating temperatures range from -40°C to +105°C, with an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-row configuration with gold-plated copper alloy contacts for reliable signal transmission
• Accepts nominal 1.57 mm thick printed circuit boards with vertical panel mounting options
• Low-profile insulator body constructed from thermoplastic material for space-constrained designs

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized module connections
• Test and measurement instrumentation needing high-reliability interconnects

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to ensure correct termination type and mounting style. Confirm RoHS compliance status directly with the manufacturer or authorized distributors prior to ordering. Cross-reference the part number with the latest datasheet to validate electrical ratings and environmental specifications for your specific application requirements.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge card interface with 3.96 mm pitch is required. Ensure the target PCB thickness aligns with the 1.57 mm nominal specification. Verify that the operating temperature range of -40°C to +105°C meets system thermal constraints. Consider the 5 A current rating and gold plating for corrosion resistance in the intended environment.

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 configurations. The 305-022 variant specifically provides 22 positions, balancing connectivity density with physical footprint. It is engineered for durability in demanding electronic assemblies.

Edgeboard Connectors FAQ

What is the nominal PCB thickness accepted by this connector?

The connector accepts a nominal printed circuit board thickness of 1.57 mm.

What is the contact spacing for the 305-022-556-508?

The contact spacing is 3.96 mm (0.156 inches).