306-039-520-168

Overview

The EDAC Inc. part number 306-039-520-168 is a dual-edge female card edge connector designed for through-hole mounting and solder termination. It features 78 positions with a 0.156-inch (3.96mm) contact spacing across two rows. The connector utilizes gold-plated cantilever contacts made from copper alloy, housed in a green thermoplastic insulator. It supports printed circuit boards with thicknesses ranging from 0.054 to 0.070 inches (1.37mm to 1.78mm). The unit operates within a temperature range of -40°C to +105°C and complies with RoHS3 standards.

Feature Summary

• Dual-edge female configuration with cantilever spring contacts for reliable board insertion
• Gold-plated terminals ensure stable electrical performance and corrosion resistance
• Thermoplastic housing provides structural integrity and thermal stability
• Through-hole solder termination facilitates secure PCB integration

Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• Consumer electronics module interfaces
• Medical device internal circuit connections

Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm pin count, spacing, and plating specifications. Ensure compatibility with the target PCB thickness range of 1.37mm to 1.78mm. Confirm that the required current rating and insulation resistance meet the design requirements before finalizing procurement orders.

Selection Notes

Select this component when a dual-edge female connector with 0.156-inch spacing is required for through-hole assembly. Consider the 78-position capacity and gold plating for applications demanding high reliability. Evaluate the operating temperature range and material composition to ensure suitability for the intended environmental conditions and mechanical stress levels.

Part Context

This component belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and configurations for diverse electronic applications. The 306-039-520-168 variant specifically addresses needs for dual-edge connectivity with robust mechanical retention and electrical continuity in standard industrial and commercial environments.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that any alternative part matches the 78-position count, 0.156-inch pitch, and dual-edge female interface. Ensure mechanical dimensions and termination methods are compatible with existing PCB layouts.