OPB819Z

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OPB819Z is an industry standard optically coupled transistor output photodetector, also known as a photointerrupter, slot type, or optical switch. It uses infrared LED light technology to detect signals or changes in an object\'s position. The OPB819Z is an ideal choice for a wide range of applications such as machine automation, medical monitoring, process control, and automotive and consumer electronics.The OPB819Z has a number of advantages that make it suitable for a wide variety of applications. It is compact, reliable and low cost compared to other types of optical switches. It features a long sensing range, fast response time, and low cross-talk. Additionally, it is capable of handling high-speed switching cycles and provides a stable detection signal.The OPB819Z operates by detecting the infrared light emitted by its LED light source and transmitting a corresponding signal to its digital output. The OPB819Z has a photodetector consisting of two main elements: an infrared LED and a transistor that is sensitive to the infrared light. The photodetector works by detecting a change in intensity of the emitted infrared light received from the LED, and then transmitting a corresponding electrical signal to its digital output. The two elements of the photodetector are mounted in a single package, and the transistor and the LED are connected via a high speed signal transmission line. When the LED is illuminated, the photodetector senses a change in the intensity of the received infrared light and triggers the transistor to conduct a digital output signal. The OPB819Z also features a current limiting protection circuit as an additional safety feature. This ensures that the current drawn from the electrical signal out of the photodetector does not exceed the working current of the module. Additionally, the OPB819Z also features protection from high voltage and short circuits.The OPB819Z is suitable for a variety of applications such as machine automation, medical monitoring, process control, and automotive and consumer electronics. It is capable of detecting movements, object position and speed in addition to triggering specific actions. Additionally, it can be used to detect the presence of objects in a specific area or the change in intensity of light in a specific area.Overall, the OPB819Z is an ideal choice for a wide range of applications that require reliable and accurate optical sensing. Its compact size, reliable performance, and low cost make it a popular choice for many industries. Additionally, its long sensing range, fast response time, low cross-talk, and current limiting protection circuit make it an excellent choice for any application that requires reliable and accurate sensing of objects or changes in intensity of light.

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