305-056-521-203

Edgeboard Connectors Overview

The EDAC Inc. 305-056-521-203 is a standard card edge connector from the 305 series, designed for panel mount applications with a vertical orientation. It features 56 positions arranged in a dual-row configuration with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes gold-plated copper alloy contacts and a green thermoplastic insulator body. It accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm) and employs solder pin termination.

Edgeboard Connectors Feature Summary

• Dual-edge female connector design accommodating non-specified PCB types
• Low-profile insulator body construction for compact integration
• Gold-plated copper alloy contacts ensuring reliable signal transmission
• Panel mount installation style with vertical alignment

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Test and measurement instrument modules
• Computing hardware peripheral interfaces

Edgeboard Connectors Procurement Notes

Verify that the specific part number matches the required position count and pitch specifications before procurement. Confirm RoHS compliance status and ensure compatibility with the target PCB thickness of 1.57 mm. Check regional availability as distribution may vary by location. Validate that the gold plating and thermoplastic housing meet environmental operating requirements.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with 3.96 mm pitch is required. Ensure the application supports panel mounting and vertical insertion. Verify that the 5 A current rating and -40°C to +105°C temperature range align with operational needs. Confirm that the low-profile design fits within the available mechanical envelope constraints.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 series, which provides standard card edge solutions. The series offers various position counts while maintaining consistent 3.96 mm spacing. The 305-056 variant specifically addresses higher density requirements within the same form factor family, sharing common mounting and termination characteristics.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series parts for alternative position counts. Verify mechanical dimensions and electrical ratings against existing designs. Ensure substitute components maintain the same dual-row female configuration and panel mount style.