OPB872L55TXV

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Optical Sensors play a vital part in automation and process control applications, as they are exceptionally precise and reliable. Photointerrupters are a particular form of optical sensor that use an interruption of light to measure distance, speed and other key parameters. Amongst the various types of photointerrupters, Slot Type optical sensors are some of the most reliable and popular variants. OPB872L55TXV is a type of Slot Type photinterrupter with an integrated Transistor Output. In this article, we’ll look at the application field and working principles of OPB872L55TXV.

The OPB872L55TXV consists of an infrared emitter and detector assembled in a single package, and features one transistor output that allows users to measure the interruption of the optical path by measuring the current flow. This optical sensor is used in a wide range of applications where accurate positioning and sensing is required, such as line followers, fine motor control, speed measuring and direction detection.

The OPB872L55TXV is a highly versatile and feature rich transmitter and detector optical sensor, which features a low operating voltage of 5V, a switching frequency of 1.6kHz, and a maximum photocurrent of 5.6mA. Additionally, the sensor boasts great response time which ranges from 60 µs with a 1.4VDC voltage, to 25 µs with a 5VDC voltage. Moreover, it also comes with an outstanding directivity ratio of 10,000 : 1 between the emitters and the detectors.

In terms of its working principles, the OPB872L55TXV emits infrared light from its emitter diode, and when an object passes through the infrared beam to disrupt it, the detector receives the disrupted infrared light and activates the transistor output.

The benefits of using the OPB872L55TXV compared to other slot type photinterrupters are that it has a long sensing range and a high directivity ratio that ensure reliable and accurate measurements. Moreover, the integrated array of emitters and detectors allows for easier assembly and setup. Additionally, its low operating voltage and efficient switching frequency make it suitable for handling high speed processes and applications.

In conclusion, the OPB872L55TXV is an excellent transmitter and detector optical sensor that can be used in a wide range of applications. Its features such as a long sensing range, a high directivity ratio, a low operating voltage, and an efficient switching frequency make it ideal for precise positioning and sensing.

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