305-038-521-268

Edgeboard Connectors Overview

The EDAC Inc. 305-038-521-268 is a standard card edge connector from the 305 series, designed for panel mount vertical installation. It features 38 positions arranged in two rows with a 3.96 mm (0.156 inch) pitch. The contacts are gold-plated copper alloy, rated for 5 A continuous current and 1800 VACrms insulation voltage. Insulation resistance is 5 GOhms. The housing is thermoplastic, compatible with PCB thicknesses of 1.57 mm. Operating temperature ranges from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Dual female contact configuration ensures reliable signal transmission
• Vertical panel mount design facilitates structured chassis integration

Edgeboard Connectors Applications

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

Edgeboard Connectors Procurement Notes

Verify the specific suffix against official EDAC documentation to confirm exact plating thickness and material specifications. Ensure compatibility with existing polarizing key requirements before procurement. Confirm that the thermal rating aligns with the operational environment limits defined in the datasheet.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 38-position interface is required with high dielectric strength. The 3.96 mm pitch suits applications needing robust spacing. Verify that the 1.57 mm board thickness constraint matches the target PCB design parameters.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series provides various position counts while maintaining consistent electrical ratings and mechanical interfaces. The 305-038 variant specifically addresses mid-density connection needs within industrial hardware ecosystems.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC 305-038-520-502 or 305-038-520-268 for potential mechanical substitutes. Verify pin count and pitch consistency before substitution.