305-020-555-558

Edgeboard Connectors Overview

The EDAC Inc. 305-020-555-558 is a standard card edge connector from the 305 series, designed for dual-edge board insertion. It features 20 positions with a contact spacing of 0.156 inches (3.96 mm) and a row spacing of 0.140 inches (3.56 mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). It utilizes gold-plated copper alloy contacts rated for 5 A continuous current and offers insulation resistance of 5 GOhms. The operating temperature range spans from -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure alignment
• Features a low-profile insulator body constructed from thermoplastic polyester
• Supports dual-edge card insertion with half-bellows contact type

Edgeboard Connectors Applications

• High-density electronic module interconnections
• Industrial control system backplanes
• Telecommunications equipment interfaces

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact plating thickness and housing color specifications. Ensure compatibility with the target PCB thickness of 0.062 inches. Confirm RoHS compliance status through the latest documentation provided by EDAC Inc. prior to final procurement decisions.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge connector with 20 positions and 3.96 mm pitch is required. It is suitable for applications demanding 5 A current capacity and operation within a -40°C to +105°C environment. Consider the availability of polarizing key options if precise board alignment is critical for the assembly process.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its robust construction and versatile positioning options. The 305 series supports various pin counts and mounting styles, making it a common choice for reliable interconnect solutions in demanding electronic environments.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with differing position counts or mounting configurations. Verify that any alternative maintains the 3.96 mm pitch and 0.062 inch board thickness compatibility.