OPB854B3

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Optical sensors are one type of sensor that is used to detect the presence or absence of an object. In particular, photointerrupters are a type of optical sensor that uses light to detect the presence or absence of an object. One type of photointerrupters that has been gaining popularity is the slot type with transistor output. The OPB854B3 is one such device that has a number of applications.

Application field

The OPB854B3 slot type photointerrupter is suitable for applications such as presence sensing, conveyor equipment, paper or card feeders, machine tools, and control panels. The device can detect the presence of an object without making contact, which makes it relatively safe and reliable. It can also be used in devices such as encoders, optical flow systems, and optical displacement gauges, as well as in applications where the status of an object must be constantly monitored. Additionally, due to its small size and low cost, it is also well suited for use in consumer electronics.

Working principle

The OPB854B3 slot type photointerrupter works based on the principle of light interrupting a series of optical sensors. This is accomplished by passing light through a slot containing a series of optical components, which produce an interruption when an object is present. A LED is used to pass light through the slot and into the phototransistor, and when there is an interruption it causes a lower current to flow through the phototransistor. This change in current produces a voltage change at the output, which can be used as indicator signal.

The device also has an adjustable sensitivity level, which allows the user to set the device to detect objects within a certain range. Additionally, the device is designed with polarity protection, which prevents the LED from becoming damaged due to reversed power connections. This makes the OPB854B3 highly reliable and suitable for use in a wide range of applications.

The OPB854B3 slot type photointerrupter is a reliable and cost-effective device that is suitable for a variety of applications. It offers a high degree of accuracy and is easy to use. Additionally, its small size and low cost make it well suited for use in consumer electronics. As such, it is an ideal choice for those looking for a photointerrupter with transistor output.

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