306-024-421-178

Overview

The EDAC Inc. 306-024-421-178 is a standard card edge connector receptacle designed for dual-edge board applications. It features 56 positions arranged in two rows with a 3.96 mm (0.156 inch) pitch. The connector utilizes tin-plated copper alloy contacts and accepts printed circuit boards with a nominal thickness of 1.57 mm. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C. The housing is constructed from green thermoplastic polyester, ensuring durability and reliable electrical performance in panel mount installations.

Feature Summary

• Dual-row configuration supporting 56 positions for high-density interconnects
• Tin-plated copper alloy contacts for reliable signal transmission
• Thermoplastic polyester insulator body providing structural stability
• Vertical panel mount design for secure PCB integration

Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment utilizing dual-edge module connections
• Test and measurement instrumentation with standardized board formats

Procurement Notes

Verify the specific contact plating finish, as some sources indicate tin while others suggest gold variants within the same series. Confirm the exact board thickness tolerance requirements against your PCB specifications. Ensure the dual-edge mating style matches your application's mechanical constraints. Cross-reference the manufacturer datasheet for precise dimensional drawings before finalizing procurement decisions.

Selection Notes

Select this component when a 56-position dual-row interface is required with a 3.96 mm pitch. It is suitable for applications needing vertical panel mounting and operation up to 105°C. Consider the contact material compatibility with your PCB edge fingers. Verify that the green insulator color meets any visual identification standards for your assembly process.

Part Context

This part belongs to the EDAC 306 Series, which specializes in standard card edge connectors. The series offers various position counts and plating options to accommodate different density and environmental requirements. Components in this line are engineered for reliability in demanding electronic environments, providing consistent performance across industrial and commercial sectors.

Replacement Considerations

Direct substitutes may include other EDAC 306 series parts with matching 56-position dual-row configurations. Verify compatibility by comparing pitch, board thickness acceptance, and mounting style. Alternative manufacturers offering similar specifications should be evaluated based on dimensional accuracy and electrical ratings.