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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 42POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：21
- Number of Positions：42
- 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, Threaded Insert, 4-40
- Operating Temperature：-40°C ~ 105°C
Download product information
Overview
The EDAC Inc. 306-021-521-108 is a dual-row female card edge connector designed for through-hole mounting. It features 42 positions with a 0.156-inch (3.96mm) contact spacing. The connector accepts printed circuit boards with a thickness range of 0.054 to 0.070 inches (1.37mm to 1.78mm). Contacts are made of copper alloy with gold plating, ensuring reliable signal transmission. The insulator body is constructed from thermoplastic polyester, providing durability and thermal stability.
Feature Summary
- Dual-row female configuration for high-density interconnect applications
- Gold-plated copper alloy contacts for corrosion resistance and conductivity
- Through-hole termination method for secure PCB attachment
- Thermoplastic polyester insulator for thermal and mechanical stability
Applications
- Industrial control systems requiring robust board-to-board connections
- Telecommunications equipment utilizing standard card edge interfaces
- Computing hardware modules needing reliable signal integrity
- Test and measurement instruments with modular card architectures
Procurement Notes
Verify the specific ordering suffix matches the required contact spacing and board thickness specifications. Confirm RoHS compliance status if environmental regulations apply to the end product. Ensure the package quantity aligns with production volume requirements. Cross-reference the manufacturer part number with distributor catalogs to confirm current availability and lead times before finalizing procurement plans.
Selection Notes
Select this component when a dual-row interface with 0.156-inch spacing is required. Ensure the target PCB thickness falls within the specified 0.054 to 0.070-inch range for proper contact engagement. Consider the through-hole mounting style for mechanical strength. Verify that the gold plating meets the necessary conductivity and wear resistance standards for the intended operational environment.
Part Context
This connector belongs to the EDAC 306 series of edgeboard connectors. The series offers various configurations including single and double rows with different pin counts. The 306-021-521-108 specifically provides a 42-position dual-row solution. It is designed for general-purpose electronic applications requiring standardized card edge connectivity.
Replacement Considerations
Direct substitutes may include other EDAC models within the 306 series with compatible pin counts and spacing. Verify mechanical dimensions and electrical ratings before substitution. Alternative manufacturers may offer similar connectors but require thorough compatibility testing for fit and function.
