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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：Card Guides
- 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. 306-021-521-168 is a dual-edge female card edge connector designed for panel and through-hole mounting. It features 42 positions with a 0.156-inch (3.96mm) contact spacing. The connector utilizes cantilever contacts with gold plating to ensure reliable signal transmission. It accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). The insulator body is constructed from thermoplastic polyester, providing durability in operating temperatures ranging from -40°C to 105°C.
Feature Summary
- Dual-edge female configuration with cantilever contact type for secure board insertion
- Gold-plated contact surfaces to enhance conductivity and corrosion resistance
- Thermoplastic polyester insulator body supporting high-temperature operational environments
Applications
- Industrial control systems requiring robust interconnect solutions
- Medical equipment needing reliable signal pathways
- Agricultural technology hardware exposed to harsh environments
Procurement Notes
Verify the specific part number against official EDAC documentation to confirm pin count and spacing compatibility. Ensure the target PCB thickness aligns with the 0.062-inch specification. Confirm RoHS compliance status if required by project regulations. Cross-reference the series guide for accurate ordering details.
Selection Notes
Select this component when a dual-edge interface with 42 positions is required. The 0.156-inch spacing dictates the trace layout on the mating board. Verify that the panel mount style fits the enclosure design. Consider the temperature range for environmental suitability.
Part Context
This connector belongs to the EDAC 306 Series, which specializes in card edge connectors with 0.156-inch contact spacing. The series offers various position counts and mounting styles. The 306-021-521-168 variant specifically provides a 42-position dual-edge solution for standard board thicknesses.
Replacement Considerations
Consult the EDAC 306 Series Ordering Guide for direct substitutes. Alternative part numbers within the same series may offer different position counts or mounting variations while maintaining compatible spacing.
