HCPL-817-36BE

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Optoisolators are electrical devices that, when connected to two circuits, allow an electrical signal to be transferred between them while electrically isolating them. The HCPL-817-36BE optoisolator is an example of a transistor, photovoltaic output type optoisolator. This device can be used to provide electrical isolation for high-voltage signals, allowing them to pass through a common interface while keeping the two circuits electrically separated.The HCPL-817-36BE is an NPN type phototransistor optoisolator. Its two pins consist of a source pin, which serves as an input for the light-emitting diode (LED) inside the optoisolator, and a collector pin, which serves as the output of the phototransistor. The operation of the optoisolator begins when a voltage is applied across the pins. This voltage causes the LED to generate light, which in turn activates the phototransistor. When the phototransistor is switched on, it acts like a current source, and the collector pin produces an output current that is proportional to the input voltage.The HCPL-817-36BE optoisolator is designed to provide isolation between two devices operating at different voltages. This device offers extremely high voltage ratings, and it is designed to be very robust and reliable in operation. The LED and phototransistor are individually encapsulated and matched to ensure consistent performance and excellent coupling efficiency. Additionally, the HCPL-817-36BE optoisolator is shielded to provide protection from electrical noise and vibration.The HCPL-817-36BE optoisolator can be used in a wide range of applications, from medical and industrial to consumer and automotive. It is ideal for applications where electrical isolation is required, such as communications between two systems operating at different voltages. It can also be used to provide an electrical signal bridge between two circuits where the signals are always kept at different potentials.In summary, the HCPL-817-36BE optoisolator is an example of a transistor, photovoltaic output optoisolator. Its two pins consist of a source pin for the LED input and a collector pin for the phototransistor output. The device offers very high voltage ratings and is designed to be robust and reliable in operation. It is suitable for many applications, from medical and industrial to consumer and automotive, where electrical isolation is required.

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