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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. part number 306-027-420-168 is a standard card edge connector from the 306 series, designed for panel mount applications. It features a dual-edge female configuration with 54 positions arranged in two rows. The contact pitch is 0.156 inches (3.96 mm), and the contacts are tin-plated copper alloy. The insulator body is green thermoplastic polyester, rated for an operating temperature range of -40°C to +105°C. This connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm) and utilizes a single central row termination style.
Feature Summary
- Dual-edge female contact configuration for secure board retention
- Single central row termination design for standardized mounting
- Green thermoplastic polyester insulator body for thermal stability
Applications
- Industrial control system interconnects
- Telecommunications equipment backplanes
- Consumer electronics module interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required plating and flange options. Confirm that the tin-plated contact finish meets the environmental requirements for the intended application. Check for any recent updates to the RoHS compliance status or packaging quantities before finalizing procurement orders.
Selection Notes
Select this component when a dual-edge female connector with a 0.156-inch pitch is required for panel-mounted installations. Ensure the target PCB thickness aligns with the specified 0.062-inch nominal dimension. Consider the tin plating for cost-effective applications where high corrosion resistance is not critical compared to gold finishes.
Part Context
This connector belongs to the EDAC 306 series, which offers various configurations for card edge applications. The series provides multiple row options, contact spacings, and termination styles to accommodate diverse electronic assembly needs. The 306-027 variant specifically addresses requirements for higher position counts in dual-edge formats.
Replacement Considerations
Consult the official EDAC 306 Series Ordering Guide for verified substitute part numbers. Cross-reference pin counts, pitch dimensions, and mounting styles to ensure mechanical and electrical compatibility with existing designs.
