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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 52POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：26
- Number of Positions：52
- 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. 306-026-521-178 is a standard card edge connector from the 306 Series, designed for dual-edge board applications. It features 52 positions with a contact spacing of 0.156 inches (3.96 mm). The connector utilizes female contacts with gold plating and is intended for through-hole termination. It accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm) and is constructed with a green thermoplastic polyester insulator body.
Feature Summary
- Dual-edge configuration supporting two-sided card insertion
- Gold-plated cantilever spring contacts for reliable signal transmission
- Flush mounting design compatible with panel or chassis installation
- Through-hole solder termination for secure PCB attachment
Applications
- Industrial control system interconnects
- Telecommunications equipment backplanes
- Medical device internal module connections
- Consumer electronics board-to-board interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm pin count, contact plating, and mounting style. Ensure compatibility with the target PCB thickness and panel cutout dimensions. Check regional availability as distribution status may vary by location. Confirm RoHS compliance requirements match project specifications before finalizing procurement orders.
Selection Notes
Select this component when a dual-edge connection with 52 positions is required. The 0.156-inch pitch suits standard industrial board widths. Verify that the flush mount profile fits within the enclosure constraints. Consider the through-hole termination method for mechanical stability during vibration. Ensure the operating temperature range meets the environmental demands of the end application.
Part Context
This part belongs to the EDAC 306 Series, a line of standard card edge connectors known for their versatility in various electronic assemblies. The series offers multiple position counts and mounting options. The 306-026-521-178 specifically addresses high-density dual-edge needs within this family, providing a robust solution for connecting double-sided printed circuit boards in compact spaces.
Replacement Considerations
Consult the official EDAC 306 Series Ordering Guide for direct substitutes with differing pin counts or mounting styles. Cross-reference with NorComp or Northern Technologies product lines if brand diversification is required. Ensure any replacement maintains the same 0.156-inch pitch and dual-edge configuration to preserve mechanical fit.
