FOD8173SD

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Optoisolators, also known as optocouplers, are electronic circuits that use light as the isolating interface between two levels of independent electrical circuits. The FOD8173SD optoisolator is a transistor photovoltaic output type, which is a type of optoisolator that uses a silicon photocell to couple a signal from the input to the output side.

This optoisolator device has a high insulation resistance between its input and output circuits, which offers strong protection against electrical noise and other potential issues. It also has a high voltage operational capability of up to 5000V, making it ideal for applications such as aerospace circuits and high voltage power systems. Its wide operating temperature range makes it suitable for use in either hot or cold environments.

The FOD8173SD optoisolator has an active collector photocoupler output that can handle both digital and analog applications. Its narrow on-state resistance allows for high-speed operation, with a maximum switching speed of 15ns. This device is also available in packages of 4, 8, and 16 pins, offering a wide range of design and application possibilities.

In terms of its working principle, the FOD8173SD optoisolator acts as an isolator between the input transistor and the output photovoltaic cell. The input current flows from the input signal line into the transistor where it is amplified into a larger current. This current then flows through an LED, which then emits a light signal. This light signal is in turn detected by a photovoltaic cell, generating a current which acts as the output signal.

Overall, the FOD8173SD optoisolator is an ideal device for a range of digital and analog applications that require reliable isolating, noise suppression as well as high-voltage operation. Its wide range of features and its ease of use make it one of the most popular optoisolators on the market today.

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