OPB840W55Z

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Optical sensors, often referred to as photodetectors, are used to detect optical signals and measure optical intensities in various applications including light sensing, medical use, radio frequency communication and security systems. Photointerrupters are one type of optical sensor that rely on interrupting light to detect the presence or absence of an object. Slot-type photointerrupters are further divided into two categories, depending on the type of output they produce: transistor output and logic output. The OPB840W55Z belongs to the transistor output category.

The OPB840W55Z is an optical slot-type photointerrupter, which means it uses two poles, one emitter and one detector, and an interrupted light beam in order to detect the presence or absence of an object within the sensor’s range. The infrared LED light source is cast through an optical slot which is mounted between the two poles, and is then detected by the phototransistor. The phototransistor changes its state when it receives the beam, which allows it to detect the presence of an object.

The OPB840W55Z produce a transistor output which means the output signal is a varying current. This can be used to trigger an external circuit that drives an actuator, displays a message, etc. The main advantage of a transistor output is that it is relatively easy to process and can be used to activate most loads. The OPB840W55Z is also small, measuring approximately 6 mm x 5.3 mm x 2.5 mm, which makes it ideal for space constrained applications. The active region of the OPB840W55Z is 2.3 mm and it has an operating voltage of 5 V. The typical on-state current is 350 mA.

The OPB840W55Z also contains two built-in latch circuits which can be used to detect the presence of an object from two directions. This makes it ideal for applications where two objects are going to be detected in quick succession, such as in robotic arms or conveyor belts. The latch circuits are also capable of detecting objects at a rate of up to 500 Hz.

The OPB840W55Z has a wide range of applications in various robotics, automation, and security systems. It can be used to detect the presence of objects in robotic arms, in conveyor belts, or in automated doors. It can also be used in security systems to detect intruders or in optical fiber communications for point-to-point communication links.

In conclusion, the OPB840W55Z is a small optical slot-type photointerrupter with a transistor output which can be used in various robotics, automation, and security systems. It is highly reliable and is capable of detecting objects at high speeds, making it ideal for a wide range of applications.

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