FOD817ASD Isolators

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Optoisolators are electronic components which are mostly used as isolators for providing electrical isolation between two circuits. The FOD817ASD optoisolator belongs to the transistor, photovoltaic output type of optoisolators. They provide higher withstand voltage rating and current carrying capacity as compared to conventional optoisolators.

The FOD817ASD optoisolator is most commonly used in industrial applications. They are ideal for providing isolation between two circuits and can be used for various purposes such as voltage and current sensing, signal conversion and signal transmission. Furthermore, the optoisolator also provide electrostatic protection for sensitive components.

The FOD817ASD optoisolator consists of a two-terminal phototransistor container which is integrated with a photo-emitting LED. The phototransistor is an NPN-type transistor and is driven by a light source. Inside the container there is an acrylic window which allows the light from the LED to reach the phototransistor. The LED is powered by a DC voltage and emits infrared light of a specific wavelength.

The phototransistor\'s collector is exposed to the light emitted by the LED, and thus, when the LED is powered, the transistor turns on and a current flows through it. The transistor then amplifies this current and delivers it to the output. The FOD817ASD optoisolator provides blocking voltage of up to 1KV. The output is buffered and therefore can withstand high voltage transients.

The FOD817ASD optoisolators also provide high output current which is suitable for many applications where current sensing is required. These optoisolators are also useful for controlling high-voltage devices by providing electrical isolation and for eliminating noise from signals. The FOD817ASD optoisolator can also be used in data transmission and sensing applications where the two circuits should be prevented from interfering with each other.

The FOD817ASD optoisolator is designed to meet various standards such as UL and CSA. It is also RoHS compliant for environmental safety. The device has a maximum operating temperature of 85°C, and a storage temperature range of -55°C to +125°C. It requires a supply voltage of 4.5V to 15V DC for operation.

FOD817ASD optoisolators provide superior performance and reliability in a wide range of applications. They are suitable for isolating voltage and current sensing circuits, providing signal conversion and transmission, and blocking electrostatic interference. With their high withstand voltages and high output currents, they offer the optimal solution for many industrial and commercial applications.

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