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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 54POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：27
- Number of Positions：54
- 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, Through Hole
- Termination：Solder
- Contact Material：Copper Alloy
- Contact Finish：Tin
- Contact Finish Thickness：-
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Top Opening, Threaded Insert, 4-40
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-027-421-158 is a dual-edge female card edge connector from the 306 Series, designed for panel and through-hole mounting. It features 54 positions with a 0.156-inch (3.96mm) pitch and tin-plated cantilever contacts. The unit accommodates card thicknesses between 0.054 and 0.070 inches (1.37 to 1.78mm). Constructed with green thermoplastic insulation, it operates within a temperature range of -40°C to 105°C and includes integrated card guides for alignment.
Feature Summary
- Integrated card guides ensure precise board alignment during insertion
- Cantilever contact design facilitates reliable signal transmission
- Panel mount and through-hole termination options provide flexible installation
Applications
- Industrial control system backplanes
- Telecommunications equipment interconnects
- Medical device internal circuit boards
Procurement Notes
Verify that the specific part number matches the required 54-position configuration and tin finish. Confirm compatibility with the target PCB card thickness range of 0.054 to 0.070 inches. Ensure the selected variant supports the necessary operating temperature environment up to 105°C. Cross-reference the flange specifications against the enclosure mounting requirements.
Selection Notes
Select this component when a high-density 54-position interface is required with a standard 0.156-inch spacing. Choose the tin-plated version over gold if cost efficiency is prioritized while maintaining adequate conductivity. Consider the green housing color for visual identification in complex assemblies. Verify that the cantilever contact type meets the mating cycle requirements of the application.
Part Context
This connector belongs to the EDAC 306 Series, which specializes in robust edgeboard solutions for demanding environments. The series offers various pin counts and contact finishes to suit different electrical and mechanical needs. The 306-027-421-158 specifically addresses applications requiring dual-edge connectivity with integrated guidance features.
Replacement Considerations
Direct substitutes include other EDAC 306 series connectors with matching 54-pin counts and 0.156-inch pitch. Verify equivalent contact plating and insulation material properties before substitution.
