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OPB842W51
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OPB842W51 Product Overview

Introduction

The OPB842W51 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.

Basic Information Overview

  • Category: Optical Sensor
  • Use: Detection and sensing of objects or motion
  • Characteristics: High sensitivity, compact design, reliable performance
  • Package: Through-hole or surface mount
  • Essence: Utilizes infrared light for detection
  • Packaging/Quantity: Available in reels or trays, quantity varies based on supplier

Specifications

  • Operating Voltage: 4.5V to 5.5V
  • Output Type: Phototransistor
  • Sensing Distance: Up to 10mm
  • Response Time: Typically 15μs
  • Operating Temperature: -40°C to 85°C
  • Dimensions: 5.3mm x 4.0mm x 7.0mm

Detailed Pin Configuration

The OPB842W51 features a standard 4-pin configuration: 1. VCC (Power supply) 2. GND (Ground) 3. Output (Phototransistor output) 4. N/C (Not connected)

Functional Features

  • High Sensitivity: Capable of detecting subtle changes in infrared light
  • Compact Design: Small form factor enables integration into space-constrained applications
  • Reliable Performance: Consistent and accurate object detection capabilities

Advantages and Disadvantages

Advantages

  • Versatile application in various industries
  • Reliable performance in harsh environments
  • Compact and easy to integrate

Disadvantages

  • Limited sensing distance compared to some alternatives
  • Susceptible to ambient light interference in certain conditions

Working Principles

The OPB842W51 operates by emitting infrared light and detecting the reflection from nearby objects. When an object enters the sensor's range, the phototransistor output is triggered, indicating the presence of the object.

Detailed Application Field Plans

The OPB842W51 finds extensive use in the following applications: - Industrial Automation: Object detection in manufacturing processes - Robotics: Proximity sensing for robotic arms and navigation - Consumer Electronics: Presence detection in appliances and devices - Security Systems: Motion detection for alarm systems

Detailed and Complete Alternative Models

  • OPB9000: Offers longer sensing distance and immunity to ambient light
  • TCST2103: Provides similar functionality with enhanced resistance to mechanical stress
  • EE-SX670: Compact alternative with high-speed response time

In conclusion, the OPB842W51 is a reliable and versatile optical sensor suitable for diverse applications, despite its limitations in sensing distance and susceptibility to ambient light interference.

Word Count: 410

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät OPB842W51 :n soveltamiseen teknisissä ratkaisuissa

  1. What is OPB842W51?

    • OPB842W51 is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. What are the typical applications of OPB842W51?

    • OPB842W51 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.

  3. What is the operating voltage range for OPB842W51?

    • The operating voltage range for OPB842W51 is typically between 4.5V to 5.5V.

  4. How does OPB842W51 detect objects?

    • The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing the sensor to determine the presence or absence of an object.

  5. What is the sensing distance of OPB842W51?

    • The sensing distance of OPB842W51 is typically up to a few millimeters, depending on the reflectivity of the object.

  6. Can OPB842W51 be used in harsh environments?

    • OPB842W51 is designed to operate in indoor environments and may not be suitable for harsh conditions such as extreme temperatures, humidity, or exposure to water.

  7. What is the output type of OPB842W51?

    • OPB842W51 provides a digital output, typically in the form of an open-collector transistor.

  8. Is OPB842W51 sensitive to ambient light?

    • OPB842W51 is designed to minimize the effects of ambient light through modulation techniques and optical filtering.

  9. Can OPB842W51 be used for speed sensing applications?

    • Yes, OPB842W51 can be utilized for speed sensing by detecting the presence or absence of rotating or moving objects.

  10. What are the recommended mounting considerations for OPB842W51?

    • It is recommended to mount OPB842W51 in a stable position with proper alignment to ensure accurate object detection and reliable performance.