OPB876N55

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

Photointerrupters are an important type of optical sensor used for sensing the presence of an object, the amount of light, and the direction of displacement between two points. The OPB876N55 Slot Type Transistor Output Photointerrupter is a common model of this technology that is used for many applications, and in this article we will discuss its application fields and working principles.

Application Field

The OPB876N55 Photointerrupter is primarily used in industrial and automated applications due to the high accuracy and reliability that it provides. It is commonly used in systems such as assembly lines, conveyor belts, machine positioning systems, and many more. It is also used in home appliances such as printers, microwaves, and washing machines. In any application, it is capable of providing reliable position monitoring for objects that travel in a linear direction. The OPB876N55 Photointerrupter is designed to be used in compact and lightweight designs and is able to operate in a wide range of environmental conditions, including high temperature and humidity.

Working Principle

The OPB876N55 Photointerrupter utilizes a slot-type design, which means it has two openings with a gap in between them. An infrared diode is mounted at one side of the gap, and an infrared sensor is mounted at the other side. An object moving between the infrared diode and the infrared sensor will cause the light emitted by the diode to be interrupted, which will be detected by the sensor. When this happens, an electrical signal will be sent to the output.

The OPB876N55 Photointerrupter is designed to have a wide sensing distance range. It is able to detect objects from as close as 0.4 mm and as far as 5.9 mm from its sensing area. It is also designed with a wide operating voltage range, allowing it to operate from 4V to 28V DC. Additionally, it has a high response speed, with a maximum of 800 kHz.

The OPB876N55 Photointerrupter also has a unique feature – its ability to detect light in various directions. This feature is made possible by the unique design of the slot-type structure, which allows the detector to detect the intensity of the light beam from any direction. This feature allows it to be used in applications such as automated assembly systems where objects may move in any direction.

Overall, the OPB876N55 Slot Type Transistor Output Photointerrupter is a versatile optical sensor capable of responding quickly to a variety of motions and accurately detecting the presence and amount of light. It is an ideal choice for industrial and automated applications that require reliable position monitoring.

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