OPB871L51

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optical sensors are electronic devices used to detect and measure light. The most commonly used type is the photointerrupter, which is used to detect the presence or absence of an object in its field of view. OPB871L51 is an example of a slot type photointerrupter with transistor output. It is designed to detect the presence or absence of an object in the narrow slot between its plastic sensing surface and the reflective silicon surface of its package.

The OPB871L51 consists of two parts: an LED and a photosensor IC. The LED produces an infrared light beam that is used to detect an object in the slot between the sensor and the reflective silicon surface. The photosensor IC forms the detector and conversion circuitry to detect the presence or absence of the object. It generates an output signal when it detects the infrared light beam in the slot.

The OPB871L51 has a variety of applications, including safety sensing, industrial automation, and electronics sensing. In safety sensing applications, the OPB871L51 is used to detect the presence of a person, object, or other hazard in areas where direct physical contact is hazardous. It is also used to detect the speed of moving objects and any changes in their direction. In industrial automation applications, it is used to detect the presence of a product in an assembly line or in automated manufacturing processes. In electronics sensing applications, the OPB871L51 is used to detect the presence of objects in mobile devices and other consumer electronics.

The working principle of OPB871L51 is based on the principle of reflection. The LED emits an infrared light beam that is reflected off objects in the slot. This reflection is detected by the photosensor IC inside the OPB871L51 and converted into an output signal. The output signal is then used to control other components such as motors, solenoids, or other electronic devices. Depending on the application, the output signal might actuate a switch, control the operation of a motor, open or close a valve, etc.

In summary, the OPB871L51 is a slot type photointerrupter with transistor output. It is designed to detect the presence or absence of an object in the slot between its plastic sensing surface and the reflective silicon surface of its package. The OPB871L51 has a variety of applications, including safety sensing, industrial automation, and electronics sensing. It works on the principle of reflection, where an infrared light beam emitted by the LED is detected and converted by the photosensor IC inside the device, producing an output signal. This output signal is used to control other components depending on the application.

The specific data is subject to PDF, and the above content is for reference