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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 58POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：29
- Number of Positions：58
- 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. 306-029-420-178 is a standard card edge connector from the 306 series, designed for through-hole mounting with a straight orientation. It features 58 positions arranged in a dual-edge configuration with a 0.156-inch (3.96 mm) contact 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 a tin finish, rated for 5 A current. The housing is green thermoplastic polyester, and it operates within a temperature range of -40°C to 105°C.
Feature Summary
- Dual-edge female connector design for non-specified card types
- Through-hole solder termination for secure PCB attachment
- Thermoplastic polyester housing providing structural stability
- Tin-plated copper alloy contacts ensuring reliable conductivity
Applications
- Industrial control systems requiring robust interconnects
- Telecommunications equipment backplanes
- Test and measurement instrumentation boards
Procurement Notes
Verify that the specific tin-plated variant matches your environmental requirements, as gold finishes are also available in this series. Confirm the board thickness falls strictly within the 1.37 mm to 1.78 mm specification to ensure proper mechanical engagement. Check local distributor availability as stock levels may vary by region. Ensure the through-hole footprint aligns with your PCB manufacturing capabilities.
Selection Notes
Select this model when a 3.96 mm pitch and dual-edge interface are required for high-density applications. The tin finish offers cost-effectiveness compared to gold, suitable for environments without severe corrosion risks. Consider the 5 A rating per contact for power distribution needs. The straight through-hole style simplifies assembly processes compared to surface-mount alternatives.
Part Context
This component belongs to the EDAC 306 series, which specializes in standard card edge connectors. The series offers various position counts and contact finishes to accommodate different signal and power requirements. The 306 series is widely used in modular electronic systems where reliable plug-and-play connectivity is essential for maintenance and upgrades.
Replacement Considerations
Direct substitutes include other EDAC 306 series parts with matching 58-position dual-edge configurations. Verify compatibility with alternative manufacturers offering identical 3.96 mm pitch specifications. Ensure any replacement maintains the same through-hole mounting style and thermal operating range.
