FOD817C300

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Optoisolators, also called optocouplers, opto-isolators and photocouplers, are devices that utilize light emitting diodes (LEDs) to allow current or voltage signals to be separately transferred from one electrical circuit to another. The FOD817C300 is a type of optoisolator that is commonly used in applications requiring electrical isolation, such as between a computer system and a sensor or other industrial device. It is designed with a transistor photovoltaic output, and provides 5 kV input / output isolation.

The FOD817C300 optoisolator consists of a phototransistor and a gallium arsenide LED, both of which are sealed in a plastic package. The LED driver is typically an integrated circuit, such as an open collector or a Darlington transistor output. The device is designed to use an input voltage range between 2.0V and 15V and can handle an input current of up to 10 mA. It is also designed to operate at temperatures ranging from -40ºC to +85 ºC, making it suitable for most commercial and industrial applications.

The working principle of the FOD817C300 optoisolator is relatively simple. An input voltage is applied to the phototransistor, which creates an electrical signal that is amplified by the LED driver and sent to the LED. The LED then emits a light beam, which causes the phototransistor to conduct current and generates an output voltage on the other side of the device. This output voltage is isolated from the input voltage by the optoisolator, preventing electrical “noise” from adversely affecting the signals.

The FOD817C300 optoisolator is primarily used in computer systems and industrial sensors or equipment. It provides a high level of input/output isolation, making it ideal for applications that are subject to electromagnetic interference (EMI) or electrical noise. Additionally, its small size and wide operating temperature range make it suitable for a variety of commercial and industrial applications.

In summary, the FOD817C300 optoisolator is a type of isolation device that is designed to allow current and voltage signals to be safely transferred from one circuit to another. It utilizes a phototransistor and LED in order to provide an isolated output voltage, and is commonly used in computer systems and industrial equipment. Additionally, its small size and wide operating temperature range make it suitable for a variety of different applications.

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