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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 78POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Bulk
- 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, Side Opening, Unthreaded, 0.128" (3.25mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Overview
The EDAC Inc. 306-039-520-112 is a card edge connector from the 306 series, designed for vertical panel mounting. It features 39 positions with a single centerline row and a contact spacing of 0.156 inches (3.96 mm). The connector accepts printed circuit boards with a nominal thickness of 0.062 inches (1.57 mm). Contacts are made of copper alloy with gold plating to ensure reliable signal transmission. The insulator body is constructed from thermoplastic material in green color, providing durability and electrical insulation.
Feature Summary
- Single centerline row configuration for compact board integration
- Gold-plated copper alloy contacts for corrosion resistance
- Vertical panel mount design with low-profile insulator body
Applications
- Industrial control systems requiring robust interconnects
- Telecommunications equipment with standard board thicknesses
- Test and measurement instrumentation interfaces
Procurement Notes
Verify that the specific part number matches the required 39-position count and 0.156-inch pitch. Confirm the single-row configuration aligns with the PCB layout. Ensure the green insulator color and thermoplastic material meet environmental specifications. Check RoHS compliance status if restricted substances are a concern for the target market.
Selection Notes
Select this component when a single-row connection is sufficient for the application. The 0.156-inch pitch offers wider spacing compared to finer pitches, aiding in assembly. The vertical orientation simplifies panel installation. Consider the 0.062-inch board thickness requirement to ensure proper mechanical fit and contact engagement within the connector housing.
Part Context
This component belongs to the EDAC 306 series of card edge connectors. The series is characterized by its .156 inch (3.96mm) contact spacing. The 306 series provides various position counts and configurations to support different electronic assembly needs. This specific model represents a mid-range position count within the series offerings.
Replacement Considerations
Compatible substitutes include other EDAC 306 series parts with matching 39 positions and single-row layouts. Verify that alternative models maintain the same 0.156-inch pitch and 0.062-inch board thickness compatibility. Cross-reference pinout and mechanical dimensions to ensure interchangeability without redesigning the host PCB.
