OPB744WZ Encyclopedia Entry

Product Overview

Category

The OPB744WZ belongs to the category of optical sensors.

Use

It is used for detecting the presence or absence of an object by utilizing an infrared light source and a photodetector.

Characteristics

• Utilizes infrared light for detection
• Compact size
• High sensitivity
• Reliable performance

Package

The OPB744WZ is typically available in a compact, surface-mount package.

Essence

The essence of the OPB744WZ lies in its ability to accurately detect the presence of objects in various applications.

Packaging/Quantity

The sensor is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Operating Wavelength: 950 nm
• Supply Voltage: 4.5 V to 5.5 V
• Output Type: Phototransistor
• Operating Temperature Range: -40°C to 85°C
• Response Time: 15 µs

Detailed Pin Configuration

The OPB744WZ typically consists of three pins: 1. Anode (+) 2. Cathode (-) 3. Output (Collector)

Functional Features

• Infrared light emitter and detector in a single package
• Digital output for easy interfacing with microcontrollers
• Ambient light rejection for reliable operation in various lighting conditions

Advantages

• Compact design allows for easy integration into various applications
• High sensitivity enables accurate object detection
• Wide operating temperature range enhances versatility

Disadvantages

• Susceptible to interference from external infrared sources
• Limited range compared to some other sensing technologies

Working Principles

The OPB744WZ operates based on the principle of infrared light reflection. When an object is present within the sensor's detection range, the emitted infrared light reflects off the object and is detected by the phototransistor, resulting in a digital output signal indicating the presence of the object.

Detailed Application Field Plans

The OPB744WZ finds extensive use in the following application fields: - Object detection in automated manufacturing processes - Paper and label detection in printing and packaging machinery - Proximity sensing in robotics and automation - Position sensing in consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the OPB744WZ include: - TCRT5000: A similar reflective optical sensor with a compact design - QRE1113: Another infrared reflective sensor suitable for object detection applications - GP2Y0A21YK0F: Infrared distance measuring sensor with analog output

In conclusion, the OPB744WZ optical sensor offers a compact and reliable solution for object detection and proximity sensing in various applications, making it a versatile choice for engineers and designers seeking precise and efficient detection capabilities.

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