305-086-555-278

Edgeboard Connectors Overview

The EDAC Inc. 305-086-555-278 is a standard card edge connector from the 305 series, designed for dual-edge mating applications. It features 86 positions with a 3.96 mm (0.156 inch) pitch and supports PCB thicknesses of 1.57 mm. The connector utilizes gold-plated copper alloy contacts with a solder termination type. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C. The housing is green thermoplastic, ensuring reliable electrical performance in industrial environments.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board insertion
• Gold-plated copper alloy terminals for corrosion resistance
• Thermoplastic insulator providing high insulation resistance
• Solder lug termination for robust PCB mounting

Edgeboard Connectors Applications

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

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness and material specifications. Ensure compatibility with target PCB stack-up dimensions before procurement. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status.

Edgeboard Connectors Selection Notes

Select this component when dual-edge mating is required for high-density signal routing. The 3.96 mm pitch accommodates standard board layouts while maintaining mechanical stability. Verify that the application environment falls within the specified operating temperature range and that the 5 A current rating meets circuit requirements without derating.

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 styles to support diverse electronic assembly needs. The 305 series is characterized by its semi-bellows contact design, which ensures low insertion force and reliable contact pressure during board engagement cycles.

Edgeboard Connectors Replacement Considerations

Compatible substitutes include EDAC 305-086-555-502 and 305-086-500-201. Verify pin count, pitch, and mounting style alignment before substitution. Ensure replacement parts maintain identical electrical ratings and environmental certifications.