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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 78POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：39
- Number of Positions：78
- 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, Top Opening, Unthreaded, 0.156" (3.96mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-039-520-104 is a dual-edge female card edge connector designed for vertical panel mounting. It features 78 positions with a 0.156-inch (3.96mm) contact spacing and accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57mm). The contacts are gold-plated copper alloy, housed in a green thermoplastic polyester insulator. Key mechanical specifications include .156-inch diameter mounting holes and a low-profile body design suitable for high-density applications.
Feature Summary
- Dual-edge female configuration for secure board retention
- Low-profile insulator body for space-constrained installations
- Gold-plated contacts ensure reliable signal transmission
- Vertical panel mount orientation with standard hole spacing
Applications
- Industrial control systems requiring robust interconnects
- Telecommunications equipment with high-density board layouts
- Test and measurement instrumentation panels
- Automotive electronics modules
Procurement Notes
Verify the specific ordering suffix to confirm plating thickness, housing color, and mounting flange variations. Ensure compatibility with target PCB thickness tolerances before procurement. Confirm RoHS compliance status matches project requirements. Cross-reference the manufacturer datasheet for precise mechanical dimensions to avoid assembly conflicts.
Selection Notes
Select this component when a dual-edge interface with 3.96mm pitch is required. Verify that the 78-position count aligns with circuit trace routing. Ensure the vertical mounting style fits the enclosure depth constraints. Check that the thermoplastic polyester material meets thermal and environmental standards for the intended operating range.
Part Context
This part belongs to the EDAC 306 series of edgeboard connectors. The series offers various position counts and mounting options. The 306-039 variant specifically denotes the 78-position configuration within this family. It is engineered for durability in demanding electronic environments.
Replacement Considerations
Direct substitutes must match the 78-position count, 0.156-inch pitch, and dual-edge female type. Verify identical mounting hole diameters and PCB thickness acceptance ranges. Ensure comparable gold plating specifications and insulator material properties for thermal stability.
