OPB871N51

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Optical sensors are used in various applications to measure light, including the OPB871N51 transisor output slot type photointerupertor. This device is used to detect the presence of objects in a narrow gap, enabling the system to control a wide variety of sensors. The OPB871N51 can be used for lighting, movement, temperature, shock or vibration detection. It can also be used for counting, measuring, and managing light levels, including color detection.

The device comprises of two main elements – a light source and an output element. The light source is a diode with a total power output of 1 Watt and a wavelength near the infrared band. It is housed in a flat cylindrical shaped plastic enclosure, which incorporates an inner lens that focuses the infrared light into the narrow detection field. The output element is a light-sensitive transistor with an operating wavelength range from 350 to 950nm.

When an object enters the narrow detection field, the diode\'s light is interrupted and the light-sensitive transistor responds by creating an electrical signal which is sent to the external direct current power supply. This signal is then used to activate the device, allowing it to detect the presence of the object and sending a signal to the control unit. The control unit can then interpret the signal and apply the appropriate action, which could be a switch, an alarm, or any other desired process.

In the case of light detection applications, the OPB871N51 phototransistor will respond to changes in the light level by changing the output signal. This can be used to activate a desired light level in a room, or can be used to measure the amount of light entering a room.

The OPB871N51 can also be used in movement detection applications. Its light beam can detect the presence of objects in a specific area, allowing it to be used for a variety of surveillance and security systems. It can also be used in vibration and shock detection applications, where it can measure the intensity of a shock or vibration and send an appropriate signal to the control unit.

The OPB871N51 offers a wide range of features that make it a suitable choice for a variety of optoelectronic applications. It is compact, efficient, and cost effective, making it an ideal choice for a range of applications. It is also easy to install and configure, making it an ideal choice for many home and commercial applications.

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