FOD817W

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The FOD817W Transistor Photovoltaic Output Optoisolators are semi-conductor devices that allow for the isolation of electric signals by utilizing a light-emitting diode (LED) and a photovoltaic device (photodiode) to transfer signals across two electrical circuits. The FOD817W optoisolator is often used in industry applications including motor control, process control and industrial automation. It provides excellent noise isolation and complete galvanic isolation between the two circuits, protecting both circuits from voltage transients and other EMI disturbances.

The FOD817W optoisolator contains a LED mounted to an opaque surface which reflects the light back onto a photodiode. The photodiode is the means of transmission between the two circuits and is situated in an isolated section from the LED. The LED is typically powered from an external voltage source, typically 5 to 9 volts, and the current rating may be up to 10 mA. When the LED is activated, it emits light which is then absorbed by the photodiode. The resulting voltage causes a proportional current to flow in the photodiode in a direction depending on the polarity of the LED and the polarity connected to the photodiode. This current then passes through the circuit connected to the photodiode.

Because of the FOD817W optoisolator’s unique isolation characteristics, it is commonly used in motor control applications. During the on phase of a motor, the optoisolator’s LED is activated which in turn causes the motor to turn on. Once the motor reaches its maximum speed, the LED is deactivated and the motor is shut off. The FOD817W optoisolator can also be used in other industrial applications such as process control. In addition, the optoisolator is also frequently employed in machine automation systems for controlling various robotic applications where it is important to maintain electrical isolation and signal integrity.

The FOD817W optoisolator also finds uses in medical applications. It can be used as an interface between medical instruments and medical equipment to ensure patient safety and ensure the accuracy of medical treatments. Additionally, the optoisolator can be used in computer interface systems where electro-mechanical isolation is required to prevent damage to the electronic components.

In terms of reliability, the FOD817W optoisolator provides excellent protection against voltage transients and EMI disturbances. Its wide operating temperature range also makes it suitable for use in industrial and medical applications where temperature-sensitive components are present. The FOD817W optoisolator also provides superior noise rejection characteristics, which makes it an ideal choice for applications where noise-sensitive components are involved.

The FOD817W optoisolator is also cost-effective, easy to replace, and highly reliable. All these features make it an excellent choice for industrial, medical, and computer applications. Its impressive performance and ease of integration ensure that it is the ideal solution for modern applications.

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