PC817XPJ000F

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Optoisolators are devices designed to provide electrical isolation between two signal circuits. They are used in a variety of applications, from switching high frequencies to controlling low voltage signals. The PC817XPJ000F is an opto isolator from Panasonic, and is designed for high reliability, high isolation voltage, and low power consumption. It features a built-in digital logic inverter with both a photovoltaic output and a transistor output.

The PC817XPJ000F is made up of an infrared LED, phototransistor and a built-in inverter housed in a one-piece package. The infrared LED emits light when energized, which activates the photosensitive phototransistor. The base current control circuit of the phototransistor is implemented in the inverter, enabling high & low-level output signal inverter. The PC817XPJ000F also features a spectral response range of 400 to 1100 nm, an insulation distance of 5 mm and an optical operability of greater than 1 mm, making it ideal for a variety of applications.

In terms of its application field, the PC817XPJ000F is ideal for use when a compact opto-isolator is desired for infrared data communication, low-voltage logic control, and digital communication. It is also suitable for use in medical equipment, communications modules, and I/O isolation, amongst other applications.

In terms of its working principle, the PC817XPJ000F operates using a built-in digital logic inverter with both a photovoltaic output and a transistor output. When the LED of the PC817XPJ000F is energized, light is emitted which activates the photosensitive phototransistor across the package. This current flows through the phototransistor, activating the base of the transistor. The collector-emitter voltage of the transistor then changes, resulting in a high or low output signal depending on the applied voltage.

This allows for the electrical isolation of two signal circuits, since the signal circuit on one side remains unaffected by the conditions of the other side. The PC817XPJ000F also provides isolation voltage up to 5000 VDC, which further protects the signal circuits from any interference.

In conclusion, the PC817XPJ000F from Panasonic is an ideal opto-isolator for use in a variety of applications requiring high reliability, high isolation voltage, and low power consumption. It features a built-in digital logic inverter with both a photovoltaic output and a transistor output, which allows for the electrical isolation of two signal circuits. It also provides isolation voltage up to 5000 VDC, further protecting the signal circuits from any interference. This makes the PC817XPJ000F ideal for use when a compact opto-isolator is desired for infrared data communication, low-voltage logic control, and digital communication.

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