OPB744 Product Overview

Introduction

The OPB744 is a versatile product that belongs to the category of optical sensors. This entry provides a comprehensive overview of the OPB744, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Optical Sensor
• Use: The OPB744 is commonly used for detecting the presence or absence of an object by utilizing an infrared light-emitting diode (LED) and a phototransistor.
• Characteristics: It is known for its high sensitivity, reliability, and compact design.
• Package: The OPB744 is typically available in a compact, durable package suitable for various industrial and commercial applications.
• Essence: The essence of the OPB744 lies in its ability to provide accurate and efficient object detection capabilities.
• Packaging/Quantity: The product is usually packaged individually or in sets, depending on the manufacturer's specifications.

Specifications

The following are the general specifications of the OPB744: - Operating Wavelength: 950 nm - Supply Voltage: 4.5 V to 16 V - Output Configuration: Phototransistor - Operating Temperature Range: -40°C to 85°C - Response Time: 15 µs

Detailed Pin Configuration

The OPB744 typically consists of the following pin configuration: 1. Anode (+) 2. Cathode (-) 3. Collector 4. Emitter

Functional Features

The key functional features of the OPB744 include: - High Sensitivity: The sensor offers high sensitivity, enabling it to detect objects with precision. - Compact Design: Its compact form factor allows for easy integration into various devices and systems. - Reliable Performance: The OPB744 is known for its reliable performance across different operating conditions.

Advantages and Disadvantages

Advantages

• Accurate Object Detection: The OPB744 excels in accurately detecting the presence or absence of objects.
• Versatile Applications: It can be utilized in diverse applications such as industrial automation, robotics, and consumer electronics.

Disadvantages

• Limited Range: The detection range of the OPB744 may be limited in certain applications.
• Ambient Light Sensitivity: It may exhibit sensitivity to ambient light, requiring proper shielding in some environments.

Working Principles

The OPB744 operates based on the principle of light reflection and absorption. When an object is within the sensor's detection range, the emitted infrared light reflects off the object and is received by the phototransistor, resulting in a change in output signal.

Detailed Application Field Plans

The OPB744 finds extensive use in various application fields, including: - Industrial Automation: Used for object detection in conveyor systems, sorting machines, and assembly lines. - Robotics: Integrated into robotic systems for object avoidance and proximity sensing. - Consumer Electronics: Employed in devices such as printers, copiers, and vending machines for paper detection and counting applications.

Detailed and Complete Alternative Models

Several alternative models to the OPB744 exist, offering similar functionality and performance. Some notable alternatives include: - TCRT5000: A widely used reflective optical sensor with comparable characteristics to the OPB744. - QRE1113: Another popular reflective sensor known for its reliable performance in object detection applications.

In conclusion, the OPB744 stands as a reliable and efficient optical sensor with diverse applications across industries. Its high sensitivity, compact design, and accurate object detection capabilities make it a valuable component in numerous electronic and mechanical systems.

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