305-020-521-558

Edgeboard Connectors Overview

The EDAC Inc. 305-020-521-558 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 20 positions with a 3.96 mm (0.156 inch) pitch and accepts board thicknesses between 1.37 mm and 1.78 mm. The connector utilizes copper alloy contacts with gold plating and operates within a temperature range of -40°C to +105°C. Rated for 5 A current, it employs a panel mount installation style with solder pin termination.

Edgeboard Connectors Feature Summary

• Dual-edge female contact configuration for secure board insertion
• Gold-plated copper alloy contacts for reliable conductivity
• Thermoplastic polyester insulation housing
• Vertical panel mounting orientation

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Medical device circuit boards
• Automotive electronic modules

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against official EDAC documentation to confirm exact flange dimensions and termination style. Ensure compatibility with target PCB thickness specifications before procurement. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connector with a 3.96 mm pitch is required for panel-mounted applications. Consider the 5 A current rating and operating temperature range for environmental suitability. Verify that the board thickness falls within the specified acceptance range for proper mechanical engagement.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and termination options. The 305-020 variant specifically provides a 20-position configuration suitable for moderate-density interconnect requirements in rugged environments.

Edgeboard Connectors Replacement Considerations

Cross-reference with EDAC 305-020-520-568 for similar specifications. Verify dimensional tolerances and flange characteristics to ensure mechanical fit. Confirm electrical ratings match application requirements before substitution.