305-028-500-208

Edgeboard Connectors Overview

The EDAC 305-028-500-208 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 28 positions with a 3.96 mm pitch and a 3.56 mm row spacing. The connector accepts printed circuit boards with a nominal thickness of 1.57 mm. Contacts are gold-plated copper alloy, rated for 5 A continuous current. The housing is green thermoplastic polyester, providing an insulation resistance of 5 GOhms. Operating temperature ranges from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row configuration accepting dual-edge PCBs
• Gold-plated contacts for reliable signal transmission
• Accepts polarizing keys for secure alignment
• Thermoplastic polyester insulator body

Edgeboard Connectors Applications

• Microcontroller interface connections
• Embedded system board-to-board linking
• Industrial control panel interconnects

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against the manufacturer datasheet to confirm contact plating thickness and material composition. Ensure the selected variant matches the required PCB thickness tolerance of 1.57 mm. Confirm RoHS compliance status through official documentation before final procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with 3.96 mm spacing is required. Verify that the application environment stays within the -40°C to +105°C operating range. Ensure the mating PCB design accommodates the 1.57 mm thickness specification and allows for the necessary row spacing of 3.56 mm.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which provides standard card edge connectors. The series offers various position counts and mounting styles. The 305-028-500-208 specifically denotes a 28-position dual-row connector with gold contacts and a green insulator body, suitable for general-purpose electronic assemblies.

Edgeboard Connectors Replacement Considerations

Cross-reference with other EDAC 305 series variants for different position counts. Verify mechanical compatibility with existing PCB layouts. Check electrical ratings against specific application requirements.