305-026-556-203

Edgeboard Connectors Overview

The EDAC Inc. 305-026-556-203 is a dual-edge female card edge connector with 26 positions and a 0.156-inch (3.96mm) pitch. It features gold-plated contacts, a green thermoplastic polyester insulator, and a floating bobbin flange design for flush mounting. The component supports board thicknesses of 0.054 to 0.070 inches 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 alignment
• Provides a 5A continuous current rating and 1800VACrms dielectric strength
• Utilizes a floating bobbin flange mechanism for precise panel integration

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official 305 Series Ordering Guide to ensure correct contact plating, insulation material, and flange configuration. Confirm that the target application requires the specified 0.156-inch pitch and dual-edge female termination style before finalizing procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a robust connection with polarizing key compatibility is required. Ensure the host PCB thickness falls within the 0.054 to 0.070-inch range and that the enclosure allows for the specified floating bobbin flange diameter during mechanical design.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various row counts, termination styles, and flange options designed for reliable high-density interconnections in demanding electronic environments.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with identical electrical ratings and mechanical dimensions. Verify pin count and pitch compatibility before considering alternative manufacturers.