OPB122B Product Overview

Introduction

The OPB122B is a versatile optical sensor designed for various applications. This entry provides an in-depth overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The OPB122B belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object. It is widely utilized in industrial automation, robotics, consumer electronics, and automotive applications.

Characteristics

• Sensing Method: The OPB122B utilizes an infrared LED and phototransistor pair to detect objects.
• Output Type: Digital output signal based on the presence or absence of the detected object.
• Operating Wavelength: Typically operates at a wavelength of 950 nm.
• Response Time: Fast response time for real-time object detection.
• Environmental Resistance: Designed to withstand environmental factors such as dust and ambient light interference.

Package and Quantity

The OPB122B is typically available in a compact and durable package suitable for integration into various electronic systems. It is commonly supplied in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Operating Voltage: Typically operates within a range of 4.5V to 5.5V.
• Operating Temperature: Suitable for operation within a temperature range of -40°C to 85°C.
• Output Configuration: Provides a digital output signal for easy interfacing with microcontrollers and other electronic devices.
• Dimensions: Compact form factor for easy integration into different designs.

Detailed Pin Configuration

The OPB122B features a standard pin configuration, including connections for power supply, ground, and digital output. The detailed pinout is as follows:

| Pin Name | Description | |----------------|-----------------------| | VCC | Power Supply (4.5V-5.5V)| | GND | Ground | | Output | Digital Output Signal |

Functional Features

• Object Detection: Capable of accurately detecting the presence or absence of objects within its sensing range.
• Compact Design: The small form factor allows for easy integration into space-constrained designs.
• Reliability: Provides consistent and reliable performance in various operating conditions.

Advantages and Disadvantages

Advantages

• Reliable object detection capability
• Compact and versatile design
• Suitable for diverse application scenarios

Disadvantages

• Limited sensing range compared to some alternative models
• Susceptible to ambient light interference in certain environments

Working Principles

The OPB122B operates based on the principle of infrared light reflection. When an object enters the sensor's field of view, the infrared light emitted by the internal LED reflects off the object and is detected by the phototransistor, resulting in a change in the digital output signal.

Detailed Application Field Plans

The OPB122B finds extensive use in various application fields, including: - Industrial Automation: Object detection in conveyor systems, sorting machines, and assembly lines. - Robotics: Integration into robotic arms and grippers for object manipulation and obstacle avoidance. - Consumer Electronics: Proximity sensing in smart home devices and appliances. - Automotive: Used in vehicle proximity detection and anti-collision systems.

Detailed and Complete Alternative Models

Several alternative models to the OPB122B include: 1. OPB123B: Offers extended sensing range and enhanced ambient light immunity. 2. OPB124B: Provides higher precision object detection capabilities for specialized applications. 3. OPB125B: Designed for ultra-compact installations with minimal space requirements.

In conclusion, the OPB122B stands as a reliable and versatile optical sensor with widespread applications across multiple industries, offering a balance of performance, compactness, and ease of integration.

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