305-072-500-278

Edgeboard Connectors Overview

The EDAC 305-072-500-278 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) contact spacing with a 3.56 mm row pitch, designed to accept printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). The component employs gold-plated copper alloy contacts and a solder termination type for secure PCB mounting. Constructed with a thermoplastic polyester insulator body, it supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-edge contact design accommodates double-sided circuit board edges for reliable signal transmission.
• Low-profile insulator body construction facilitates compact electronic assembly integration.
• Gold-plated copper alloy contacts ensure high conductivity and corrosion resistance.
• Thermoplastic polyester housing provides structural stability and electrical insulation.

Edgeboard Connectors Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Automotive electronics modules
• Medical device internal connections

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact plating thickness, material grades, and compliance certifications. Ensure that the selected variant matches the required board thickness and mounting style specifications for your application. Cross-reference the part number with authorized distributors to confirm availability and lead times prior to finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this connector when a 72-position dual-row interface is required for 0.062-inch thick circuit boards. Confirm that the 3.96 mm pitch aligns with the target PCB layout and that the 5 A current rating meets the electrical requirements. Verify compatibility with mating card edge connectors and ensure the operating temperature range suits the intended environmental conditions.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors, which are widely used in various electronic applications requiring robust and reliable interconnect solutions. The series offers multiple positioning options and configurations to suit diverse design needs. The 305-072-500-278 specifically addresses applications needing a high-density connection point with standardized dimensions and proven performance characteristics.

Edgeboard Connectors Replacement Considerations

Direct substitutes may include other EDAC 305 series variants with identical pin counts and spacing, such as 305-072-500-202 or 305-072-500-201, provided they match the specific termination and mounting requirements. Always verify mechanical dimensions and electrical ratings before substituting any component to ensure full compatibility with the existing design.

Edgeboard Connectors FAQ

What is the nominal thickness of the printed circuit board accepted by this connector?

The EDAC 305-072-500-278 accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch).

What is the contact spacing and row pitch for this component?

The connector features a contact spacing of 3.96 mm (0.156 inch) and a row spacing of 3.56 mm (0.140 inch).