305-072-555-203

Edgeboard Connectors Overview

The EDAC Inc. 305-072-555-203 is a standard card edge connector receptacle featuring 72 positions arranged in two rows with a 3.96 mm pitch. Designed for PCB mount applications, it utilizes gold-plated copper alloy contacts and a thermoplastic polyester housing. The component supports a continuous current rating of 5 A and offers an insulation resistance of 5 GOhms. It operates within a temperature range of -40°C to +105°C and accepts printed circuit boards with a nominal thickness of 1.57 mm.

Edgeboard Connectors Feature Summary

• Accepts polarizing keys between or within contacts for secure board alignment
• Features low-profile insulator body construction for space-constrained designs
• Utilizes half-beam contact type for reliable signal transmission

Edgeboard Connectors Applications

• Industrial control systems requiring robust board-to-board connections
• Telecommunications equipment utilizing standard card edge interfaces
• Automotive electronics modules needing high reliability connectors

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against official EDAC documentation to confirm exact plating thickness and housing color specifications. Ensure compatibility with the target PCB thickness of 1.57 mm before integration. Confirm RoHS compliance status through the manufacturer's latest environmental declarations. Cross-reference the part number with authorized distributor catalogs to validate current availability and lead times.

Edgeboard Connectors Selection Notes

Select this component when a dual-row interface with 72 positions is required for high-density applications. The 3.96 mm pitch accommodates standard board layouts while maintaining electrical isolation. Consider the 5 A current rating for power distribution needs within the specified thermal operating range. Verify that the straight installation angle aligns with the mechanical constraints of the host enclosure design.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series provides versatile interconnection solutions for various electronic assemblies. Components in this family share common mechanical dimensions and mounting styles, ensuring interchangeability within specific design parameters. The 305 series is widely recognized for its durability and consistent performance in demanding environments.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC part numbers 305-072-555-204 and 305-072-555-203 variants with different housing colors. Verify pin count and pitch compatibility before substitution. Ensure that any alternative maintains the same current rating and temperature specifications.