OPB891T55

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Optical Sensors are used for a range of industrial and consumer products and applications. They are designed to detect, analyze and measure light. Photointerrupters are often used to detect the presence of light, such as a light beam or a reflected light signal, and generate an electrical signal that can be used to trigger a specific event. Slot type photointerrupters are designed to operate when either a continuous or a modulated light passes through a narrow slot. The OPB891T55 is an example of such a photointerrupter.

The OPB891T55 is designed to detect and measure the passage of either continuous or modulated light through a 0.4-inch slot. The device has a built-in amplifier and an open-collector transducer output that is driven active when the light is detected. It is designed to be used in both optical sensing applications as well as printed circuit board (PCB) fabrication processes. The OPB891T55 is also unique in that it can also be used to monitor the position of motor or servo heads in slot-based applications. The device is available in an 8 pin dual in line plastic (DIP) or SOIC package.

Working Principle:

When a light signal passes through the 0.4-inch slot of the OPB891T55, the built-in amplifier is triggered, generating an electrical signal. The signal is then received by the open-collector transducer output, which is then driven active. The active signal can then be used to trigger a specific event, such as activating a relay or driving an output. This enables the OPB891T55 to be used for a variety of applications, such as optical sensing, PCB fabrication and motor or servo head position monitoring.

Application Field:

The OPB891T55 is widely used in a range of industrial and consumer products and applications. It is used for optical sensing, as well as PCB fabrication. Moreover, the OPB891T55 can also be used to monitor the position of motor or servo heads in slot-based applications, such as in slot car racing or robotics. Additionally, the device is also used in the entertainment industry, where it is used to measure motion and control lights in theaters.

The OPB891T55 is a reliable and versatile device that is widely used in a range of industrial, consumer, and entertainment applications. Its light-sensing capabilities, as well as its open-collector transducer output, make the device an ideal choice for a variety of applications, including optical sensing, PCB fabrication, motor and servo head position monitoring, and light control in theaters. Moreover, its small size and simple installation make the OPB891T55 a popular choice for small-scale applications.

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