OPB991T55Z

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Optical Sensors are electronic devices that convert light energy into an electrical signal. They are used in a wide variety of applications and often integrated into electronic circuits and products, such as smart phones, digital cameras, and industrial equipment.

Photointerrupters are optical sensors that detect the presence or absence of an object. They are typically used as position and motion sensors, to count items on a production line, or detect the opening and closing of a window. The OPB991T55Z is a slot type Photointerrupter with logic output.

The OPB991T55Z is an infrared LED and phototransistor pair that is used to detect an object when placed across a slot or gap. The pair consists of an infrared LED and a monolithic phototransistor, where the LED acts as the emitter and the phototransistor acts as the receiver. The receiver can detect the presence of an object when the light from the LED is interrupted. The signal is then outputted as either an NPN (open collector) or an N-channel MOSFET output.

The OPB991T55Z is a reliable, low-cost solution for applications that require basic object detection. It is designed for simple, low-power, non-critical applications such as the detection of paper or cardstock in production lines. It is well suited for applications where a low cost solution is needed, and is available in both horizontally and vertically polarized packages.

The working principle of the OPB991T55Z is based on the principle of photoelectric detection. The LED is the transmitter and the phototransistor is the receiver. The LED emits the light into a gap between two objects. When the light is blocked, the phototransistor receives a signal and the output stage of the device is triggered.

The OPB991T55Z can be used in a variety of settings. It is typically used for basic applications such as detecting an object in a production line or sensing the opening and closing of a door or window. The OPB991T55Z also offers more complex applications, such as measuring distance by using the timing between the detection of the light from the LED and its interruption by an object.

The OPB991T55Z offers reliable, precise performance with stable, repeatable detection and longer detection range. It is available in a wide variety of packages, offering a range of mounting options and space-saving possibilities. The device is also RoHS and REACH compliant, meeting the requirements of global environmental regulations.

In conclusion, the OPB991T55Z is an optosensors, primarily used for simple object detection and presence sensing with logic output. It offers reliable performance and accuracy with a range of mounting options and packages. The device is designed for low-power, low-cost applications, such as production lines or sensing the opening and closing of a window.

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