TT Electronics/Optek Technology
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OPB473L11
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OPB473L11

Product Overview

  • Category: Optoelectronics
  • Use: Optical sensor for object detection and position sensing
  • Characteristics: Infrared LED and phototransistor in a single package, compact design, high sensitivity
  • Package: Through-hole package
  • Essence: Reliable and accurate object detection
  • Packaging/Quantity: Available in reels of 1000 units

Specifications

  • Emitter Type: Infrared LED
  • Detector Type: Phototransistor
  • Sensing Distance: Up to 3.175mm
  • Operating Wavelength: 890nm
  • Output Configuration: Phototransistor sink
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. Anode (IR LED)
  2. Cathode (IR LED)
  3. Collector (Phototransistor)
  4. Emitter (Phototransistor)

Functional Features

  • Compact design for space-constrained applications
  • High sensitivity for reliable object detection
  • Integrated IR LED and phototransistor for simplified circuit design
  • Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

  • Compact size allows for versatile integration
  • High sensitivity enables accurate object detection
  • Integrated design simplifies circuitry and assembly

Disadvantages

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

Working Principles

The OPB473L11 operates on the principle of reflective object sensing. The integrated IR LED emits infrared light, which is then reflected off an object and detected by the phototransistor. When an object is present within the sensing distance, the phototransistor conducts, indicating the presence of the object.

Detailed Application Field Plans

The OPB473L11 is well-suited for various applications including: - Object detection in automated machinery - Position sensing in robotics and automation systems - Proximity sensing in consumer electronics - Paper registration in printing and packaging equipment

Detailed and Complete Alternative Models

  • OPB9000: Longer sensing distance but larger footprint
  • OPB350N: Higher ambient light immunity but lower sensitivity
  • OPB100Z: Enhanced temperature range but higher power consumption

In conclusion, the OPB473L11 offers a compact and reliable solution for object detection and position sensing applications. Its integrated design and high sensitivity make it a valuable component in various industries, despite its limitations in sensing distance and ambient light susceptibility.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af OPB473L11 i tekniske løsninger

  1. What is OPB473L11?

    • OPB473L11 is a reflective object sensor that consists of an infrared LED and a phototransistor, designed for detecting the presence or absence of an object.

  2. What are the typical applications of OPB473L11?

    • OPB473L11 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection in various technical solutions.

  3. What is the operating voltage range of OPB473L11?

    • The operating voltage range of OPB473L11 is typically between 4.5V to 5.5V.

  4. How does OPB473L11 detect objects?

    • OPB473L11 uses the reflection of infrared light to detect the presence or absence of an object. When an object is within the sensor's range, it reflects the emitted light back to the phototransistor, causing a change in its output.

  5. What is the sensing distance of OPB473L11?

    • The sensing distance of OPB473L11 is typically up to a few millimeters, depending on the reflectivity of the object being detected.

  6. Can OPB473L11 be used in harsh environments?

    • OPB473L11 is not designed for harsh environments and may require additional protection if used in dusty, humid, or corrosive conditions.

  7. What is the output type of OPB473L11?

    • OPB473L11 provides a digital output, typically in the form of an open-collector transistor, making it compatible with various microcontrollers and logic circuits.

  8. Is OPB473L11 sensitive to ambient light?

    • OPB473L11 is designed to minimize the effects of ambient light interference, but it may still require shielding or filtering in brightly lit environments.

  9. Can OPB473L11 be used for speed sensing applications?

    • OPB473L11 can be utilized for speed sensing by detecting the presence or absence of rotating components, but it may require additional signal processing for accurate speed measurement.

  10. What are the key considerations when integrating OPB473L11 into a technical solution?

    • When integrating OPB473L11, factors such as mounting position, object reflectivity, ambient light conditions, and electrical interfacing should be carefully considered to ensure reliable operation.