OPB831W55Z

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Optical sensors provide a cost-effective solution when it comes to positioning or sensing applications. The OPB831W55Z is a type of optical sensor specifically designed for use in automatic machinery or systems, as it is a slot type photointerrupter with a transistor output. The device acts as an efficient, reliable, and economical switch which incorporates an LED and a phototransistor, and provides a digital response signal.

The OPB831W55Z slot type photointerrupter is encased in a 3-pin black package and has a 4mm operating range. The device efficiently detects objects entering its specified slot area with its transistor output, sending a digital signal when the slot is interrupted. The device has a wide operating temperature range between -40°C and 100°C, and is robust enough to withstand typical industrial settings.

The working principle behind the OPB831W55Z is quite simple. A light emitter at the top of the slot type photointerrupter emits light onto the phototransistor at the bottom. As long as the slot is clear and uninterrupted, the phototransistor conducts the current from the light emitter, resulting in a digital signal indicating that no objects are present.

When an object enters the slot, the phototransistor will be blocked from the light, resulting in a break in the current. This action then triggers the transistor output of the device, which sends a digital signal indicating that an object has been detected. Therefore, when the object is removed from the slot, the transistor output will be triggered again, sending a digital signal showing that the object has been removed.

Due to its effective performance, the OPB831W55Z is widely used in industrial automation systems for sensing objects and providing signals. It is also used to detect objects for feed systems, material handling, packaging systems, and conveyor systems. The device can even be used for positioning applications, such as detecting objects entering and exiting a particular area.

In summary, the OPB831W55Z is a slot type photointerrupter with a transistor output for detecting objects entering or exiting a specified area. The device is encased in a 3-pin black package, and has a wide operating temperature range between -40°C and 100°C. The working principle of the OPB831W55Z is based on the interruption of light between a light emitter and a phototransistor, which then sends a digital signal indicating if an object is present or not. The device is widely used in industrial automation systems.

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