OPB881N55Z

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Optical sensors are devices designed to detect real world conditions in response to light. Photointerrupters are a special type of electrical device used to detect a light source or interrupt a light beam. The OPB881N55Z is a slot type photointerrupter with a transistor output. This device has a wide range of applications and a unique working principle.

Applications of the OPB881N55Z

The OPB881N55Z can be used in numerous industries including automotive, medical devices, printers, automation and control, and industrial robotics. Its primary application is in detecting the presence or absence of an object. It can be used as a signaling device in various security and automated systems and can detect open and closed gates in conveyer belts.

The OPB881N55Z is also suitable for applications that require speed detection, position feedback, sensing interrupted rays, and switching. It can also be used in systems requiring noise immunity, for example, in computer peripheral devices. It is most commonly used in optical communication systems and as reading sensors for IC, ID, and logical system cards.

Working Principle of the OPB881N55Z

The OPB881N55Z is a slot type photointerrupter, meaning it has a gap along its length through which a block or wheel of a machine can pass. In other words, the device picks up the presence or absence of a block passing through the gap. When the block is present, it interrupts the light beam and the output of the photointerrupter switches from a low to high state. This switching action is registered as a detection signal.

The OPB881N55Z has two separate terminals within the slot, one of which is photo-sensitive. When a block passes through the slot, the photo-sensitive terminal detects this and sends a signal to the transistor output terminal. This signal then causes the output signal to switch from a low to a high state, thus detecting the presence of the block. The transistor output terminal can then be used to control circuits according to the state of the output signal.

The OPB881N55Z is a reliable and cost effective device for use in a wide variety of applications. Its simple working principle and robust design make it an ideal choice for those looking for a reliable and highly functional slot type photointerrupter with a transistor output.

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