HCPL-817-30BE

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Optoisolators, also known as opto-isolators or optical couplers, are optoelectronic devices used for galvanic isolation between two microelectronic circuits. They can be used to electrically isolate two circuits, while allowing them to communicate in a way that is optically transparent. The HCPL-817-30BE is a special type of optoisolator known as a photovoltaic output transistor that offers a high degree of optical and electrical isolation between two circuits.

The HCPL-817-30BE is a small, low-cost package that is ideal for use in a variety of applications. It features a photoemitter, a detector diode, and a NPN output transistor. The photoemitter consists of an infrared LED that emits light when voltage is applied to its anode and cathode pins. The detector diode is a silicon PIN photodiode, which is sensitive to the light emitted from the photoemitter. When light from the photoemitter is detected by the photodiode, it generates a current that flows through the output transistor, turning it on. The NPN transistor can then be used to switch on an external circuit, providing electrical isolation between the two circuits.

HCPL-817-30BE optoisolators can be used in a wide range of applications, such as automotive, computer, communication, instrumentation, and consumer electronics. In automotive applications, optoisolators can be used to electrically isolate the power and ground of two circuits, and provide a signal path between them. In consumer electronics, optoisolators can be used to isolate the input signals of TV remote controls, protect against electrical noise, and provide voltage clamping to protect the system from high voltage surges. In instrumentation, optoisolators can be used to measure light intensity or detect the presence of a substance.

The HCPL-817-30BE optoisolator is easy to use and can provide a high degree of electrical isolation between two circuits, making it an ideal choice for many applications. In addition, the NPN output transistor can be used to switch on an external circuit, providing a range of applications that require electrical isolation. The small size and low cost make HCPL-817-30BE optoisolators an attractive choice for a variety of applications.

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