OPB990T55Z

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The OPB990T55Z is a slot type logic output photo-interrupter made by OMRON Corporation. Designed as a classic optical sensor, it is suitable for use in various applications and provides reliable and accurate results. In this article, we will take a look at the OPB990T55Z application field and working principle.

The OPB990T55Z is a device designed for use in a variety of industrial, commercial and consumer electronic applications. It can be used for edge detection and position sensing, as well as detecting the presence of objects in a given area. It is also used in applications requiring high speed line following or speed detection.

In terms of physical construction, the OPB990T55Z consists of an infrared LED and a phototransistor housed in a slot-shaped package. The package is designed to detect objects inserted into the slot, with the phototransistor detecting the presence of the object and the LED providing the light source. The package also has a detection range of 5 mm, with a response time of 0.7 ms.

The working principles of the OPB990T55Z are based on the phototransistor detecting light emitted by the LED. When an object is inserted into the slot, the infrared light is interrupted, causing the phototransistor to produce an output signal. This signal can then be evaluated by electronics in order to determine the presence of the object.

The OPB990T55Z has a built-in logic output, allowing for detection without the need for additional circuitry. It is available with either a PNP or NPN output, depending on the application. The PNP type is suitable for use in moderate-speed applications, while the NPN type is suitable for faster applications.

The OPB990T55Z has a variety of features that make it suitable for use in various applications. It has a wide working temperature range of -25 to +85 °C, and is also resistant to shock and vibration. It also features excellent crosstalk protection and a long service life of more than 10 million operations. Last but not least, it is compliant with low voltage directives.

In conclusion, the OPB990T55Z is an optical sensor ideal for use in a variety of industrial, commercial and consumer electronic applications. It consists of an infrared LED and phototransistor housed in a slot-shaped package, with the phototransistor detecting an object inside the slot. It also features a logic output, allowing for detection without the need for additional circuitry. And with its wide temperature range and resistance to shock and vibration, it is an excellent choice for a range of applications.

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