305-074-500-278

Edgeboard Connectors Overview

The EDAC Inc. 305-074-500-278 is a standard card edge connector from the 305 series, designed for reliable signal transmission in electronic assemblies. It features 74 positions arranged in a dual-row configuration with a precise pitch of 3.96 mm. The unit accommodates printed circuit boards with a nominal thickness of 1.57 mm and utilizes gold-plated copper alloy contacts to ensure durability and low contact resistance. Rated for 5 A current, it operates within a temperature range of -40 C to +105 C. The connector employs a solder pin termination method and is constructed with a thermoplastic polyester housing, providing robust insulation resistance of 5 GOhms for stable performance.

Edgeboard Connectors Feature Summary

• Dual-row architecture supporting 74 positions for high-density interconnect applications
• Gold-plated copper alloy contacts ensuring reliable conductivity and corrosion resistance
• Thermoplastic polyester insulator body offering structural stability and electrical isolation
• Solder pin termination style facilitating secure mounting on compatible circuit boards

Edgeboard Connectors Applications

• Industrial control systems requiring durable panel-mounted connections
• Communication equipment utilizing standard card edge interfaces
• Automotive electronics needing reliable signal transmission under varying temperatures
• Test and measurement instruments demanding stable electrical contact

Edgeboard Connectors Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number with official EDAC documentation. Confirm that the specific suffix matches the required termination and row configuration. Ensure compatibility with the target PCB thickness and panel mount requirements before acquisition. Check for RoHS compliance status through authorized channels to meet regulatory standards.

Edgeboard Connectors Selection Notes

Select this model when a dual-row card edge connector with 74 positions is required. Ensure the design supports a 3.96 mm pitch and 1.57 mm board thickness. Verify that the operating environment falls within the specified temperature range. Confirm that solder pin termination aligns with the assembly process and mechanical constraints of the final product.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its consistent 3.96 mm pitch and versatile positioning options. The 305-074-500-278 variant specifically addresses applications requiring a high count of contacts in a compact dual-row format, fitting within the broader family of industrial-grade interconnect solutions.

Edgeboard Connectors Replacement Considerations

Compatible substitutes within the same series include models with identical pitch and position counts, such as 305-074-500-201 or 305-074-500-558, provided the termination type and mounting style match the original design requirements.