306-027-400-178

Overview

The EDAC Inc. part number 306-027-400-178 is a standard card edge connector receptacle from the 306 series. It features 54 positions with a dual female contact configuration designed for non-specified dual-edge cards. The connector utilizes a 0.156-inch (3.96 mm) pitch and supports a current rating of 5 A. It employs through-hole solder termination and includes a green thermoplastic polyester housing. Key mechanical attributes include flush mount, top opening, threaded insert, and 4-40 flange features.

Feature Summary

• Dual female contact configuration for secure connection to non-specified dual-edge circuit boards
• Thermoplastic polyester insulation provides structural integrity and environmental resistance
• Through-hole solder termination ensures robust mechanical attachment to the PCB
• Integrated flange features including flush mount, top opening, and threaded inserts for stable installation

Applications

• Industrial control systems requiring reliable board-to-board connectivity
• Communication equipment utilizing dual-edge card architectures
• Consumer electronics assemblies needing durable interconnect solutions
• Medical devices requiring stable electrical connections in constrained spaces

Procurement Notes

Verify that the specific ordering suffix matches the required contact plating and housing color specifications. Confirm that the threaded insert size aligns with the mounting hardware available in the target assembly. Ensure the PCB thickness accommodates the connector's design parameters for proper engagement. Cross-reference the RoHS status with regulatory requirements for the intended market. Check availability constraints as distribution channels may vary by region.

Selection Notes

Select this component when a high-density 54-position interface is required for dual-edge applications. The 3.96 mm pitch allows for substantial trace spacing compared to finer pitches. Consider the 5 A current rating for power or signal distribution needs. The through-hole mounting style offers superior mechanical strength compared to surface mount alternatives. Evaluate the operating temperature range against the environmental conditions of the final product.

Part Context

This connector belongs to the EDAC 306 series, which specializes in standard card edge receptacles. The series is characterized by its use of copper alloy contacts and thermoplastic polyester housings. It is designed for general-purpose electronic applications where reliable interconnection is critical. The manufacturer, EDAC Inc., has established this line for durability and consistent performance across various industrial sectors.

Replacement Considerations

Direct substitutes within the same series require matching position count and pitch. Verify compatibility with existing PCB footprints before replacement. Alternative connectors must support the same current rating and termination method. Ensure that mechanical mounting features align with the chassis or panel design.