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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 78POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：39
- Number of Positions：78
- Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
- Number of Rows：2
- Pitch：0.156" (3.96mm)
- Read Out：Dual
- Features：-
- Mounting Type：Panel Mount, Through Hole
- Termination：Solder
- Contact Material：Copper Alloy
- Contact Finish：Gold
- Contact Finish Thickness：10.0µin (0.25µm)
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Top Opening, Unthreaded, 0.156" (3.96mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-039-521-104 is a dual-edge female card edge connector designed for panel mount and through-hole termination. It features 78 positions arranged in two rows with a contact spacing of 0.156 inches (3.96mm). The connector utilizes cantilever contacts with gold plating to ensure reliable signal transmission. It accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). The insulator body is constructed from thermoplastic polyester, providing durability and stability across an operating temperature range of -40°C to +105°C.
Feature Summary
- Dual-edge female configuration with cantilever contact type for secure board insertion
- Gold-plated contacts to enhance conductivity and corrosion resistance
- Thermoplastic polyester insulator body supporting standard PCB thicknesses
- Panel mount installation with through-hole soldering termination
Applications
- Industrial control systems requiring robust interconnects
- Telecommunications equipment interface modules
- Test and measurement instrumentation backplanes
- General-purpose electronic assemblies needing dual-edge connectivity
Procurement Notes
Verify the specific part number against official EDAC documentation to confirm pin count and plating specifications. Ensure compatibility with target PCB thickness and mounting hole dimensions prior to procurement. Confirm RoHS compliance status if required by project regulations. Cross-reference ordering guides for series-specific handling instructions.
Selection Notes
Select this component when a dual-edge female connector with 78 positions is required. Verify that the application supports a 0.156-inch pitch and 0.062-inch board thickness. Consider the gold plating requirement for contact reliability. Ensure panel mounting constraints align with the specified flange diameter and opening dimensions.
Part Context
This component belongs to the EDAC 306 Series of standard card edge connectors. The series offers various position counts and configurations for single and dual-edge applications. The 306 series is characterized by its low-profile insulator body and standardized mounting options, catering to diverse industrial and commercial interconnect needs.
Replacement Considerations
Consult the official EDAC 306 Series Ordering Guide for direct substitutes. Verify identical electrical parameters, mechanical dimensions, and contact plating before substitution. Generic equivalents may not match the specific cantilever contact design or thermal ratings.
