ACPL-W314-000E footprint, schematic symbol and 3D model by Avago Technologies

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ACPL-W314-000E Details

A good PCB layout for the ACPL-W314-000E involves keeping the input and output circuits separate, using a ground plane to reduce noise, and minimizing the length of the traces between the optocoupler and the surrounding components.
To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and keeping the junction temperature below the maximum rating of 110°C.
The maximum allowable voltage for the ACPL-W314-000E is 5.5V, which is the absolute maximum rating. Operating the device above this voltage can cause permanent damage.
To choose the correct current-limiting resistor, calculate the required resistance value based on the input voltage, the desired LED current, and the forward voltage drop of the LED. A general rule of thumb is to use a resistor value that limits the LED current to 10-20mA.
The typical propagation delay of the ACPL-W314-000E is around 10-20ns, which is relatively fast compared to other optocouplers. This makes it suitable for high-speed applications.

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