305-054-521-203

Edgeboard Connectors Overview

The EDAC Inc. 305-054-521-203 is a standard card edge connector header from the 305 series, designed for dual-edge PCB applications. It features 54 positions with a contact spacing of 3.96 mm and a row spacing of 3.56 mm. The connector supports a nominal board thickness of 1.57 mm and utilizes gold-plated copper alloy contacts for reliable signal transmission. Rated for 5 A continuous current, it employs a solder pin termination type and a vertical panel mount style. The insulator body is constructed from thermoplastic material, ensuring durability in demanding environments.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure alignment
• Low profile insulator body design for compact integration
• Dual-row configuration supporting high-density connections

Edgeboard Connectors Applications

• Industrial control systems requiring robust interconnects
• Telecommunications equipment utilizing dual-edge boards
• Computing hardware with standardized card edge interfaces

Edgeboard Connectors Procurement Notes

Verify the specific part number against official EDAC documentation to confirm compatibility with your system requirements. Ensure that the polarizing key options are selected appropriately for your assembly process. Cross-reference the thermal and electrical ratings with your operational environment to guarantee long-term reliability and performance stability.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge connector with a 3.96 mm pitch is required. Consider the 5 A current rating and 1.57 mm board thickness compatibility during the design phase. Evaluate the need for polarizing keys to prevent misalignment during insertion into the mating receptacle.

Edgeboard Connectors Part Context

This model belongs to the EDAC 305 series, which offers various mounting options and position counts. The series is characterized by its ability to accept polarizing keys and its suitability for dual-edge PCB applications. It provides a standardized interface for connecting circuit boards in electronic assemblies.

Edgeboard Connectors Replacement Considerations

Consult EDAC technical resources for confirmed substitute part numbers within the 305 series or equivalent industry standards. Verify that any replacement maintains the same pitch, row count, and current rating specifications.