K817P7

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Optoisolators, also known as optocouplers or photocouplers, are light-controlled electronic devices used to isolate electrical circuits, protecting them from voltage surges, electrical noise, and other potential issues. The K817P7 is a type of optoisolator, specifically classified as a transistor, photovoltaic output optoisolator. It is a rugged, cost-effective component designed for use in a variety of applications.

The K817P7 is designed to provide a high level of electrical isolation between a control circuit and an application circuit. It is used principally in analog signal processing, isolated power converters, analog control systems, and remote digital communications. This optoisolator is designed to operate over an ambient temperature range of -40 to 85°C, making it suitable for industrial environments.

The operating principle of the K817P7 is simple. Light from an LED is used to create a photovoltaic voltage between the collector and emitter of a photovoltaic output transistor. This voltage is used to drive an output transistor whose collector thus forms the output. This output voltage is one to two times greater than the input voltage when it is applied to the isolated light-emitting diode.

The K817P7 optoisolator features a low-profile package; measuring just 3 x 3 x 5mm, making it extremely compact and lightweight. It also contains a small number of components, reducing space requirements further. This optoisolator can be used with input voltage between 3 and 30V, with an accuracy of ±2%, and with a load voltage rating of up to 48V. The optoisolator is also capable of switching up to 450mW of power.

This transitor photovoltaic output optoisolator offers users a low-cost, reliable, and energy efficient solution for controlling electronic systems, and for providing electrical isolation. This optoisolator is designed for a wide range of different applications, including LED lighting, motor control, and remote digital communications. The device is robust and reliable, operating over a wide temperature range, and offers excellent electrical isolation.

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