OPB800L51

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Optical sensors are electrical devices that convert an optical signal into an electrical one, typically using a photodetector. Photointerrupters are one type of optical sensing device that incorporates a transmitter and receiver into a single module. They are used to detect the interruption of a beam of light due to a target passing between the transmitter and receiver. Slot Type photointerrupters contain a light transmissive opening that is aligned with a receiver on either side. When an object interrupts the beam of light traveling between the transmitter and receiver, the transmissive opening is blocked and the output signal is changed.

The OPB800L51 is a Slot Type Photointerrupter with a Transistor Output. It is based on the same principles as other slot type photointerrupters but with a modified reader head design and a TTL-compatible digital output. It has a built-in stable output circuit for on/off detection that eliminates the need for external components. The OPB800L51 also has a built-in output buffer to reduce noise and improve noise immunity.

The OPB800L51 has a wide range of applications, from consumer electronics to industrial automation. Its rugged design and small size make it ideal for a variety of applications, including precision position sensing, proximity switches and proximity (door) switches. It is also used for object recognition and detection, and for detecting the movement of objects on a conveyor belt.

The working principle of the OPB800L51 is based on the interruption of the continuous beam of light passing between the transmitter and receiver. When a target object passes between the transmitter and receiver, the light is blocked, signaling a change in the output. This interruption is detected when the light passing from the transmitter to the receiver is interrupted. This interruption of the light causes a significant change in the output voltage. The output voltage is then used as an indication of the presence of an object.

The OPB800L51 is a cost-effective and reliable solution for many applications where precise and reliable optical detection is required. Its robust design and compact size make it an ideal choice for a variety of applications, including automotive, industrial automation, consumer electronics, and more. With its built-in features, the OPB800L51 is capable of providing repeatable output signals with improved noise immunity and signal integrity.

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