305-072-521-268

Edgeboard Connectors Overview

The EDAC Inc. 305-072-521-268 is a standard card edge connector receptacle featuring 72 positions arranged in a dual-row configuration. It utilizes a 3.96 mm (0.156 inch) pitch and is designed for PCB mount installation with a straight orientation. The contacts are made of copper alloy with gold plating, rated for 5 A current. The housing is constructed from green thermoplastic polyester, supporting board thicknesses around 1.57 mm. It operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure mating with non-specified double-sided circuit boards.
• Gold-plated copper alloy contacts ensure reliable signal transmission and corrosion resistance.
• Thermoplastic polyester housing provides structural stability and thermal endurance up to 105°C.

Edgeboard Connectors Applications

• Industrial control system interconnects
• Telecommunications equipment backplanes
• Computing hardware module connections

Edgeboard Connectors Procurement Notes

Verify the complete part number including suffixes to confirm specific packaging and compliance details. Confirm that the required quantity aligns with manufacturer lead times, as standard production cycles may extend to nine weeks. Ensure compatibility with existing board layouts regarding pin count and pitch dimensions before finalizing orders.

Edgeboard Connectors Selection Notes

Select this component when a high-density 72-position interface is required for double-sided edge cards. The 3.96 mm pitch and straight PCB mount style suit applications needing robust mechanical retention. Verify that the operating environment stays within the specified -40°C to +105°C range and that the board thickness accommodates the connector's design limits.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its use of thermoplastic polyester housings and gold-plated contacts. It serves as a reliable interconnection solution for various electronic assemblies requiring durable and consistent electrical performance.

Edgeboard Connectors Replacement Considerations

Compatible substitutes within the same series include 305-072-521-201 and 305-072-521-578. These alternatives share identical positioning and pitch specifications but may differ in packaging or minor material certifications. Always validate dimensional drawings against the original design requirements before substitution.

Edgeboard Connectors FAQ

What is the maximum operating temperature for this connector?

The maximum operating temperature is +105°C.

Does this connector support single-sided or double-sided circuit boards?

It is designed for non-specified dual-edge cards, typically supporting double-sided board connections.