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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 40POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：20
- Number of Positions：40
- 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
Download product information
Overview
The EDAC Inc. 306-020-421-168 is a dual-edge female card edge connector with 40 positions arranged in two rows of twenty. It features a 0.156-inch (3.96mm) contact spacing and tin-plated contacts. Designed for panel installation, the unit accommodates board thicknesses between 0.054 and 0.070 inches. The insulator is green thermoplastic polyester, supporting an operating temperature range from -40°C to 105°C.
Feature Summary
- Dual-edge female configuration for non-specified double-sided card connections
- Panel mount design with flush flange and top opening
- Cantilever contact type utilizing copper alloy construction
- Tin surface finish on contacts for reliable signal transmission
Applications
- Industrial control system backplanes
- Telecommunications equipment interconnects
- Test and measurement instrument modules
- General-purpose electronic circuit board interfaces
Procurement Notes
Verify the specific ordering suffix against official EDAC documentation to ensure correct plating and insulation material specifications. Confirm that the required board thickness falls within the specified 0.054 to 0.070 inch range for proper mechanical engagement. Check RoHS compliance status if environmental regulations apply to the final assembly. Ensure panel mounting holes align with the connector's flange dimensions.
Selection Notes
Select this component when a high-density interface with 0.156-inch spacing is required for double-sided cards. The dual-row arrangement provides forty connection points in a compact footprint. Consider the thermal rating up to 105°C for environments with elevated temperatures. Verify compatibility with existing PCB layouts regarding row alignment and overall connector height constraints.
Part Context
This part belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and contact spacings to suit different density requirements. The 306-043-421-104 serves as a similar alternative with eighty-six positions, while the 306-030-521-107 provides thirty positions with gold plating. These components share common mounting styles and general form factors within the product line.
Replacement Considerations
The 306-043-421-104 is a documented substitute offering higher pin count with identical spacing. The 306-030-521-107 provides a lower pin count option with gold plating instead of tin. Verify mechanical fit and electrical ratings before substituting any alternative part numbers from the manufacturer catalog.
