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OPB870T55
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OPB870T55

Introduction

The OPB870T55 is a crucial component in the field of optoelectronics, specifically designed for use in various electronic devices and systems. This entry will provide an in-depth overview of the OPB870T55, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The OPB870T55 belongs to the category of optoelectronic sensors, which are widely used in applications requiring precise detection and measurement of light or other electromagnetic radiation.

Basic Information Overview

  • Use: The OPB870T55 is utilized for detecting the presence or absence of an object by utilizing an infrared emitting diode and a phototransistor.
  • Characteristics: It is known for its high sensitivity, reliability, and compact design.
  • Package: The sensor is typically housed in a small, durable plastic package.
  • Essence: The essence of the OPB870T55 lies in its ability to accurately detect objects in various environments.
  • Packaging/Quantity: The sensor is commonly available in reels containing multiple units.

Specifications

  • Operating Wavelength: 950 nm
  • Sensing Distance: Up to 0.125 inches
  • Output Configuration: Phototransistor
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB870T55 features a standard 4-pin configuration: 1. VCC (Supply Voltage) 2. GND (Ground) 3. Anode (Infrared Emitting Diode) 4. Cathode (Infrared Emitting Diode)

Functional Features

  • High Sensitivity: The sensor offers high sensitivity, enabling it to detect even subtle changes in the presence of an object.
  • Compact Design: Its compact size allows for easy integration into various electronic systems.
  • Reliability: The OPB870T55 is known for its reliable performance across different operating conditions.

Advantages and Disadvantages

Advantages

  • Precise Object Detection
  • Compact Size
  • High Sensitivity

Disadvantages

  • Limited Sensing Distance
  • Susceptibility to Ambient Light Interference

Working Principles

The OPB870T55 operates based on the principle of modulated infrared light detection. When an object is present within the sensing range, the emitted infrared light is reflected back to the phototransistor, causing a change in its conductivity and resulting in the detection of the object.

Detailed Application Field Plans

The OPB870T55 finds extensive application in various fields, including: - Industrial Automation: Used for object detection in conveyor systems and manufacturing equipment. - Robotics: Integrated into robotic systems for proximity sensing and object detection. - Consumer Electronics: Employed in devices such as printers and copiers for paper jam detection.

Detailed and Complete Alternative Models

Several alternative models to the OPB870T55 include: - OPB9000: Offers extended sensing range and improved ambient light rejection. - TCST2103: Provides similar functionality with enhanced resistance to ambient light interference. - QRE1113: Compact sensor with integrated analog output for distance measurement applications.

In conclusion, the OPB870T55 serves as a critical component in optoelectronic systems, offering precise object detection and reliable performance. Its compact design and high sensitivity make it suitable for a wide range of applications, despite its limitations in sensing distance and susceptibility to ambient light interference.

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10個與OPB870T55在技術方案中應用相關的常見問題與解答

  1. What is OPB870T55?

    • OPB870T55 is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. What are the typical applications of OPB870T55?

    • OPB870T55 is commonly used in applications such as paper detection in printers, edge sensing in robotics, and object detection in industrial automation.

  3. What is the operating voltage range for OPB870T55?

    • The operating voltage range for OPB870T55 is typically between 4.5V to 5.5V.

  4. How does OPB870T55 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 the object.

  5. What is the typical response time of OPB870T55?

    • The typical response time of OPB870T55 is in the range of microseconds, making it suitable for high-speed applications.

  6. Can OPB870T55 be used in harsh environments?

    • OPB870T55 is designed to operate in a wide temperature range and can withstand moderate levels of dust and moisture, making it suitable for some harsh environments.

  7. What is the recommended operating temperature range for OPB870T55?

    • The recommended operating temperature range for OPB870T55 is typically between -40°C to 85°C.

  8. Does OPB870T55 require any external components for operation?

    • OPB870T55 may require external resistors and capacitors for proper operation, depending on the specific application requirements.

  9. Can OPB870T55 be used for precise distance measurement?

    • OPB870T55 is primarily used for detecting the presence or absence of objects and may not provide precise distance measurements.

  10. Is OPB870T55 compatible with microcontrollers and digital logic circuits?

    • Yes, OPB870T55 can be easily interfaced with microcontrollers and digital logic circuits for processing and decision-making based on the sensor's output.