305-026-521-502

Edgeboard Connectors Overview

The EDAC Inc. 305-026-521-502 is a standard card edge connector from the 305 series, designed for dual female edgeboard applications. It features 26 positions with a 3.96 mm (0.156 inch) pitch and supports board thicknesses of 1.37 mm to 1.78 mm. The connector utilizes gold-plated copper alloy contacts with a 10.0 µin (0.25 µm) plating thickness and half-waffle spring contact types. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and employs thermoplastic polyester insulation.

Edgeboard Connectors Feature Summary

• Dual female configuration with half-waffle spring contacts for secure card retention
• Gold-plated copper alloy terminals ensuring reliable electrical conductivity
• Thermoplastic polyester housing providing thermal stability and insulation

Edgeboard Connectors Applications

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

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the official EDAC ordering guide to ensure correct pin count, plating thickness, and termination style. Confirm RoHS compliance status and check for regional distribution restrictions or limited availability before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a dual-sided female connection is required for boards between 1.37 mm and 1.78 mm thick. Ensure the application environment stays within the specified -40°C to +105°C operating range and that the 5 A current rating meets circuit requirements.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides standard density card edge connectors. The series offers various position counts and mounting styles, utilizing consistent 3.96 mm pitch spacing across different configurations for standardized industrial connectivity solutions.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305, 315, and 355 Series Ordering Guide for direct substitutes. Verify identical pitch, position count, and contact type compatibility before considering alternative part numbers.