305-020-521-578

Edgeboard Connectors Overview

The EDAC Inc. 305-020-521-578 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features a 20-position configuration with a 3.96 mm (0.156 inch) contact spacing and a 3.56 mm row spacing. The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). Constructed with copper alloy contacts featuring gold plating, it supports a current rating of 5 A. The housing is made of green thermoplastic polyester, providing insulation resistance of 5 GOhms. Operating temperatures range from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row female connector design for non-specified dual-edge PCBs
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic polyester insulator body offers durability and thermal stability

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnect solutions
• Medical equipment utilizing EDAC medical interconnect components
• Agricultural technology hardware operating in harsh environments

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against official EDAC documentation to confirm exact mechanical and electrical specifications. Ensure compatibility with target PCB thickness and mounting requirements. Confirm RoHS compliance status through manufacturer datasheets prior to integration. Cross-reference ordering guides for accurate part identification.

Edgeboard Connectors Selection Notes

Select this component when a 20-position dual-edge connector is required with 3.96 mm pitch. Consider the panel mount style and vertical orientation for system integration. Evaluate the 5 A current rating and temperature range against application demands. Verify that the gold plating meets corrosion resistance needs.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series provides various position counts and mounting options, including panel and PCB mount styles. These connectors are engineered for high reliability in demanding sectors such as medical and agricultural technologies, offering consistent performance across diverse environmental conditions.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with differing position counts or mounting configurations. Verify mechanical dimensions and pinout compatibility before replacing. No alternative part numbers are confirmed in public data.