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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 70POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：35
- Number of Positions：70
- 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, 0.128" (3.25mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. model 306-035-420-102 is a standard card edge connector designed for dual-edge board insertion. It features 70 positions with a contact spacing of 3.96 mm (0.156 inches). The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches). Contacts are constructed from copper alloy and finished with tin plating to ensure reliable electrical performance. The insulator body is green thermoplastic, providing low profile characteristics suitable for panel mounting applications.
Feature Summary
- Dual-edge female connector design accommodating standard PCB thickness
- Tin-plated copper alloy contacts for secure signal transmission
- Low profile insulator body optimized for space-constrained panel installations
Applications
- Industrial control system interconnects
- Telecommunications equipment backplanes
- Consumer electronics module interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm contact plating and material specifications. Ensure the target application requires tin plating rather than gold, as this part number specifies tin finish. Confirm that the 1.57 mm board thickness matches the mechanical constraints of the host assembly before finalizing procurement orders.
Selection Notes
Select this component when a dual-edge connection is required for a 70-position interface with 3.96 mm pitch. It is appropriate for designs utilizing 0.062 inch thick PCBs where tin-plated contacts are sufficient for the current rating. Consider the vertical panel mount style and low profile housing dimensions during the mechanical layout phase to ensure proper fit within the enclosure.
Part Context
This component belongs to the EDAC 306 series of standard card edge connectors. The series offers various position counts and mounting styles tailored for general-purpose electronic interconnections. The 306-035-420-102 variant specifically addresses high-density requirements with its 70-position configuration while maintaining compatibility with standard industry board thicknesses.
Replacement Considerations
Cross-reference with other EDAC 306 series parts sharing the same 3.96 mm pitch and 70-position count. Verify mechanical footprint and pinout compatibility before substituting. Ensure alternative components match the tin plating specification and dual-edge receptacle design to maintain functional equivalence in the existing assembly.
