305-052-521-202

Edgeboard Connectors Overview

The EDAC Inc. 305-052-521-202 is a standard card edge connector receptacle from the 305 Series, designed for PCB mounting with a straight orientation. It features 52 positions arranged in a dual row configuration with a 3.96 mm (0.156 inch) pitch. The contacts are gold-plated copper alloy, supporting a continuous current rating of 5 A. The housing is constructed from green thermoplastic polyester, accommodating board thicknesses between 1.37 mm and 1.78 mm. This component operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row receptacle design with 52 positions for high-density interconnect applications
• Gold-plated copper alloy contacts ensure reliable signal transmission and corrosion resistance
• Thermoplastic polyester housing provides structural integrity and environmental protection
• Compatible with polarizing keys for secure board insertion and alignment

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing standardized module connections
• Computing hardware involving backplane or daughterboard integration
• Test and measurement instruments needing stable electrical contact

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against official EDAC documentation to confirm exact pin count, plating thickness, and flange specifications. Ensure compatibility with target PCB thickness ranges and mating card dimensions before procurement. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity.

Edgeboard Connectors Selection Notes

Select this component when a 52-position dual-row connection is required with a 3.96 mm pitch. Consider the 5 A current rating and -40°C to +105°C operating range for suitability in demanding environments. Verify that the straight panel mount style aligns with the mechanical assembly requirements and that the green thermoplastic housing meets insulation standards.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 Series, which offers a wide variety of standard card edge connectors. The series supports various position counts and configurations, catering to diverse electronic interconnect needs. Components in this line are known for their durability and consistent performance in industrial and commercial applications.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with identical electrical and mechanical parameters. Verify that any alternative part maintains the same 3.96 mm pitch, 52-position count, and dual-row layout to ensure seamless integration without redesign.