OPB620

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The OPB620 Transistor Photointerrupter is an optical slot type photosensor used in a wide range of applications. It features a miniature package and high sensitivity with a wide spectral response. The design of the sensor enables it to be used in applications where space is limited or harsh environments are present. Additionally, it offers a fast response time, low cost, and reliability.

The OPB620 has a clear plastic housing that fits into a slot to achieve its photosensitive sensing range. A photo-transistor is mounted inside the housing, mounted in parallel and held in place by a tiny metal cage. The photo-transistor is connected to the light-sensing ring via tiny wires. The entire unit is protected from dust or other debris with a clear plastic cover. The OPB620 sensor is also equipped with a built-in red LED indicator light that will be illuminated when the sensor is in operation, helping to confirm that the unit is powered and working correctly.

The OPB620 Transistor Photointerrupter is designed for the detection and identification of objects or parts in a wide range of industrial, medical, and consumer applications such as machine control and automation, machine vision, fluid flow/level detection, motion detection, and factory automation. The sensor works with both magnetic or non-magnetic materials such as paper, plastics, or metals. The major advantage of this type of sensor is that it can detect objects without contact or physical contact.

The OPB620 Optical Slot Photointerrupter works using reflection of light. The sensor contains a slot where an object or a part is placed and the built-in photo-transistor detects the light that reflects from the object. The photo-transistor converts the reflected light into an electrical current, which is then sent to the output, creating a voltage or a digital signal. Depending on the application, this signal can be used to control or indicate the presence of an object or a part.

The OPB620 Transistor Photointerrupter has several features that make it a great choice for use in a wide variety of applications. The outputs of the sensor can be either digital or analog, making it suitable for both digital systems and analog controls. Additionally, the optical slot size is adjustable, making it possible to detect objects of different sizes. The sensor also has a wide dynamic range and high sensitivity that can detect objects up to 8mm or 0.3mm in size, depending on the application.

The OPB620 Transistor Photointerrupter is a reliable, cost-effective, and efficient solution for a wide range of applications. Its small form factor, high sensitivity, and wide dynamic response make it an ideal choice for applications in which size and cost are a factor. Furthermore, the design of the sensor enables it to be used in harsh environments, providing reliable performance in even the most extreme conditions.

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