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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：Gold
- Contact Finish Thickness：10.0µin (0.25µm)
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Side Opening, Unthreaded, 0.128" (3.25mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-021-521-112 is a dual female card edge connector designed for through-hole termination. It features 42 positions with a contact spacing of 0.156 inches (3.96mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). Constructed with copper alloy contacts and gold plating, it utilizes a thermoplastic insulator body. The unit operates within a temperature range of -40°C to 105°C and complies with RoHS3 standards.
Feature Summary
- Accepts nominal 0.062 inch thick PCBs
- Low profile insulator body design
- Single centerline row configuration
Applications
- Edgeboard interconnection systems
- Industrial control panel interfaces
- Communication equipment backplanes
Procurement Notes
Verify the specific ordering suffix against the manufacturer datasheet to confirm contact spacing and board thickness compatibility. Ensure the selected variant matches the required termination style and flange characteristics for the target assembly. Cross-reference the ECCN classification for export compliance requirements prior to procurement.
Selection Notes
Select this component when a low-profile dual female connector is required for 0.062-inch thick boards. The 0.156-inch spacing suits applications needing moderate pin density without excessive height constraints. Verify that the through-hole mounting method aligns with the PCB layout and that the operating temperature range meets environmental specifications.
Part Context
This part belongs to the EDAC 306 series of card edge connectors. The series offers various configurations including different contact spacings, board thicknesses, and termination options. The 306-021-521-112 specifically addresses needs for standard thickness boards with a single centerline row arrangement.
Replacement Considerations
Direct substitutes include other EDAC 306 series variants with matching 42-position counts and 0.156-inch spacing. Verify mechanical fit and electrical ratings before swapping. No alternative manufacturers are confirmed as direct replacements in public documentation.
