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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 56POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：28
- Number of Positions：56
- Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
- Number of Rows：2
- Pitch：0.156" (3.96mm)
- Read Out：Dual
- Features：Card Guides
- Mounting Type：Panel Mount
- Termination：Solder Eyelet(s)
- 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, Threaded Insert, 4-40
- Operating Temperature：-40°C ~ 105°C
Download product information
Overview
The EDAC Inc. 306-028-500-178 is a standard card edge connector from the 306 series, designed for through-hole mounting with a straight installation style. It features 56 positions (28 per side) in a dual female configuration, utilizing a 0.156-inch (3.96 mm) pitch. The connector accepts board thicknesses ranging from 0.054 to 0.070 inches (1.37 to 1.78 mm). Contacts are made of copper alloy with gold plating and terminate via solder wire holes. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and uses thermoplastic polyester insulation.
Feature Summary
- Dual-edge female contact configuration provides 56 total positions for robust signal connectivity.
- Gold-plated copper alloy contacts ensure reliable electrical performance and corrosion resistance.
- Thermoplastic polyester housing offers durable insulation suitable for industrial environments.
- Through-hole termination with wire hole design facilitates secure PCB mounting.
Applications
- Industrial control systems requiring high-density interconnects
- Telecommunications equipment backplanes
- Test and measurement instrumentation boards
Procurement Notes
Verify part number accuracy against official EDAC documentation before ordering. Confirm that the required board thickness falls within the specified 1.37 mm to 1.78 mm range to ensure proper mechanical engagement. Check RoHS compliance status if environmental regulations apply to your specific application. Ensure compatibility with existing PCB layout dimensions and mounting hole patterns.
Selection Notes
Select this component when a dual-edge, 56-position connector with a 3.96 mm pitch is required. Consider the 5 A current rating and -40°C to +105°C operating temperature for suitability in demanding environments. Verify that the straight, through-hole mounting style aligns with the assembly process. Compare against single-row alternatives if space constraints or different pin counts are necessary.
Part Context
This connector belongs to the EDAC 306 Series, which specializes in standard card edge connectors. The series typically features green thermoplastic polyester housings and gold-plated contacts. It is designed for applications needing reliable connections between circuit boards and backplanes, offering a balance of density and durability for general-purpose electronic assemblies.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult EDAC technical support for potential cross-references or updated series replacements.
