HOA0875-N51

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Optical sensors are extensively used to detect the presence or absence of physical objects, and a photointerrupter like the HOA0875-N51 is no exception. Photointerrupters are sensors that detect an interruption in a light beam generated by an infrared LED and a phototransistor, which allows them to be used in a variety of applications. In this article, we will discuss the application field and working principle of the HOA0875-N51 – a transistor output, slot type photointerrupter.

The HOA0875-N51 is mainly used in optical data communication applications. Its transistor output allows it to control a data input to a communication line, and its slot type design allows it to detect objects that pass through the slot. For instance, it is capable of detecting the passage of coins, such as in vending machines, as well as objects such as paper or credit cards. This makes it ideal for applications such as vending machines, ATMs, access control systems, and security systems.

The HOA0875-N51 photointerrupter uses an integrated infrared LED and a phototransistor to detect an interruption in the optical path between them. When the LED is switched on, it emits an infrared beam which is detected by the phototransistor. The phototransistor will activate a state switch, which will trigger the transistor output of the device. This transistor output is then used to control a data input to the communication line.

When a physical object passes between the LED and phototransistor, the interruption of the light beam will cause the state switch to change state, and thus the transistor output will be switched off. This allows the detection of the presence or absence of the physical object. The chip can also be used to detect combinations of objects, such as coins with different diameters, or paper and credit cards.

The HOA0875-N51 photointerrupter is a robust and reliable device that is ideal for use in optical data communication applications. Its integrated infrared LED and phototransistor, combined with its slot type design, make it ideal for detecting physical objects that pass through the slot. This makes it a great choice for applications such as vending machines, ATMs, access control systems, and security systems.

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