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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 42POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- 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：Tin
- Contact Finish Thickness：-
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Top Opening, Unthreaded, 0.156" (3.96mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-021-421-104 is a dual female card edge connector designed for panel mount and through-hole termination. It features 42 positions arranged in two rows of 21, with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes copper alloy contacts with gold plating and a thermoplastic polyester insulator. It supports printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm) and operates within a temperature range of -40°C to +105°C.
Feature Summary
- Dual female configuration with 42 total positions across two rows
- Gold-plated copper alloy contacts for reliable signal transmission
- Thermoplastic polyester insulator body for durability
- Compatible with 0.062 inch nominal thickness PCBs
Applications
- Industrial control systems requiring robust edge connections
- Telecommunications equipment interface modules
- Test and measurement instrument backplanes
- Automotive electronics sub-assemblies
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct pin count and plating specifications. Confirm that the required PCB thickness aligns with the connector's design tolerance. Check RoHS compliance status if environmental regulations apply to the final assembly. Ensure panel mounting holes match the specified flange dimensions for secure installation.
Selection Notes
Select this component when a dual-row female connector with 0.156-inch spacing is required for vertical panel mounting. The gold-plated contacts are suitable for applications demanding low contact resistance and corrosion resistance. Consider the thermoplastic polyester material properties for thermal stability. Verify that the 42-position layout fits the available board space and mating requirements.
Part Context
This part belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and row configurations to accommodate different interface needs. The 306-021 variant specifically provides a compact dual-row solution for high-density connections. It is designed for reliability in demanding electronic environments.
Replacement Considerations
Consult the EDAC 306 Series Ordering Guide for direct substitutes with identical electrical and mechanical parameters. Verify compatibility with existing PCB footprints before switching to alternative part numbers from the same family.
