305-020-556-501

Edgeboard Connectors Overview

The EDAC Inc. 305-020-556-501 is a dual-edge female card edge connector designed for high-reliability applications. It features 20 positions with a contact spacing of 0.156 inches (3.96mm) and a row spacing of 0.140 inches (3.56mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). Constructed with copper alloy contacts and a thermoplastic housing, it offers a continuous current rating of 5A and withstands 1800VACrms. The unit utilizes gold plating for corrosion resistance and supports solder termination.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Low profile insulator body design for compact system integration
• Dual-edge configuration providing robust electrical connectivity

Edgeboard Connectors Applications

• Industrial control systems requiring reliable signal transmission
• Telecommunications equipment utilizing standard card edge interfaces
• Computing hardware modules needing high-density connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required insulation color and termination type. Confirm that the component meets RoHS3 compliance standards if environmental regulations apply to your assembly process. Cross-reference the datasheet specifications against your PCB design requirements to ensure proper fit and electrical performance.

Edgeboard Connectors Selection Notes

Select this model when a dual-row interface with 0.156-inch pitch is necessary for board-to-board or backplane connections. Consider the 5A current rating and 1800VACrms dielectric strength for power and signal integrity needs. Ensure the host PCB thickness matches the 0.062-inch specification for optimal contact engagement.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of card edge connectors, which are engineered for durability and consistent performance. The series supports various pin counts and configurations to accommodate diverse electronic module designs. The 305-020-556-501 variant specifically addresses applications requiring a 20-position dual-edge interface with standardized dimensions.

Edgeboard Connectors Replacement Considerations

Direct substitutes include part numbers such as 305-020-556-503 and 305-020-556-504 from the same manufacturer series. These alternatives share identical mechanical footprints and electrical characteristics but may differ in insulation color or specific material certifications. Verify functional equivalence before implementation.