OPB698A

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Optical sensors allow detection of light in order to provide advanced feedback for controlling a variety of processes and applications. The collection of optical sensors known as photointerrupters are typically used in automation and machine motion control. One such example is the OPB698A, a slot type, logic output photointerrupter.

The OPB698A features an elongated slot, measuring 18 mm in length and 1.8 mm in width. This allows the high frequency emission of an Infrared source to be blocked by a slit within the detected object, which is detected by the OPB698A sensing slot. The entire package measures 22.2 mm by 16.4 mm by 8.3 mm with a sensing distance, or gap, of 5.0 mm. The OPB698A has low DC current rating of 7.5 volts at 10 mA, and a supply voltage rated between 4.5 and 6 volts. It offers a switching speed of 5 microseconds and is compatible with a variety of IrDA protocols.

The principle upon which the OPB698A functions is based on the interruption of an optical signal by a detected object. The device is equipped with both an Infrared light emitting diode (LED) and a phototransistor. The LED transmits a high frequency Infrared beam for detection which is either blocked or detected by a slit within the detected object. When the slit is detected by the sensing slot of the OPB698A, the transmission of the transmitted beam is blocked. The reflected beam is then detected by the phototransistor, which is in turn used to generate a logic output.

The OPB698A has a wide range of applications, from basic sensing to more complex tasks. The device is often used in areas where a quick, reliable response is vital, such as robotic systems. It is also used for sensing the presence of products during conveyor belt operations, for detection of seals in motorized doors, for multiple page counting or sheet feeding, and for detecting transparent objects such as labels. The OPB698A can also be used for level detector systems, optical switches, transmission control systems, and barcode recognition systems.

The OPB698A is one of the most popular photointerrupters on the market due to its distinct advantages over other options. It has a large sensing distance of 5.0 mm, as well as a larger detection range than most other similar devices. Its slim design reduces obstructions and simplifies installation, while its switching speed of 5 microseconds ensures quick and accurate responses. The OPB698A is also extremely durable, with an expected lifetime of up to 10 million operations. Additionally, its compatibility with a wide range of IrDA protocols greatly increases its versatility and range of applications.

The OPB698A is an excellent and reliable device for a variety of tasks and processes. Its wide field of view, fast switching speed, and extended operating lifetime make it ideal for a multitude of applications. Its slim design allows for easy integration into existing frameworks and its ease of use further increases its practicality, making it one of the most popular photointerrupters on the market today.

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