TT Electronics/Optek Technology
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OPB872N51
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OPB872N51

Product Overview

Category

The OPB872N51 belongs to the category of optical sensors.

Use

It is used for detecting the presence or absence of an object by utilizing an infrared light-emitting diode (LED) and a phototransistor.

Characteristics

  • Utilizes infrared LED and phototransistor
  • Compact size
  • High sensitivity
  • Low power consumption

Package

The OPB872N51 is typically available in a small, surface-mount package.

Essence

The essence of OPB872N51 lies in its ability to accurately detect the presence of objects in various applications.

Packaging/Quantity

The sensor is usually packaged in reels containing a specific quantity, such as 1000 units per reel.

Specifications

  • Operating Voltage: 5V
  • Output Type: Digital
  • Sensing Distance: Up to 10mm
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 5mm x 5mm x 2mm

Detailed Pin Configuration

The OPB872N51 has a standard pin configuration with the following pins: 1. VCC (Power supply) 2. GND (Ground) 3. Output

Functional Features

  • Reliable object detection
  • Fast response time
  • Stable performance across temperature variations
  • Low power consumption

Advantages

  • Compact size allows for easy integration into various devices
  • High sensitivity ensures accurate object detection
  • Wide operating temperature range enables use in diverse environments

Disadvantages

  • Limited sensing distance compared to some other optical sensors
  • Susceptible to ambient light interference in certain conditions

Working Principles

The OPB872N51 operates based on the principle of detecting the interruption of the infrared light beam emitted by the LED. When an object obstructs the light path, the phototransistor detects the change in light intensity, triggering the output signal.

Detailed Application Field Plans

The OPB872N51 finds application in various fields, including: - Industrial automation for object detection in manufacturing processes - Robotics for proximity sensing and obstacle detection - Consumer electronics for presence detection in devices like printers and copiers - Automotive for reflective object detection in vehicles

Detailed and Complete Alternative Models

Some alternative models to OPB872N51 include: - TCRT5000: A similar reflective optical sensor with comparable characteristics - QRE1113: Another reflective sensor suitable for object detection applications - GP2Y0A21YK: Infrared proximity sensor with longer sensing distance

In conclusion, the OPB872N51 optical sensor offers reliable object detection capabilities in a compact form factor, making it suitable for diverse applications across industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням OPB872N51 у технічних рішеннях

  1. What is OPB872N51?

    • OPB872N51 is a reflective object sensor with an integrated infrared emitter and phototransistor.

  2. What are the typical applications of OPB872N51?

    • OPB872N51 is commonly used in applications such as industrial automation, robotics, and motion control systems for detecting the presence or absence of objects.

  3. What is the operating voltage range for OPB872N51?

    • The operating voltage range for OPB872N51 is typically between 4.5V to 5.5V.

  4. How does OPB872N51 detect objects?

    • OPB872N51 emits infrared light and detects the reflected light from objects, allowing it to determine the presence or absence of objects in its detection range.

  5. What is the sensing distance of OPB872N51?

    • The sensing distance of OPB872N51 is typically around 0.2 inches to 0.4 inches (5mm to 10mm).

  6. Can OPB872N51 be used in harsh environments?

    • OPB872N51 is designed to operate reliably in industrial environments and can withstand moderate levels of dust and moisture.

  7. What is the output type of OPB872N51?

    • OPB872N51 provides a digital output, typically in the form of an open-collector transistor.

  8. Is OPB872N51 sensitive to ambient light?

    • OPB872N51 is designed to minimize the effects of ambient light interference, making it suitable for use in various lighting conditions.

  9. Can OPB872N51 be used for speed sensing applications?

    • Yes, OPB872N51 can be utilized for speed sensing by detecting the presence or absence of rotating or moving objects within its detection range.

  10. What are the key considerations for integrating OPB872N51 into a technical solution?

    • When integrating OPB872N51, factors such as mounting position, alignment, and environmental conditions should be carefully considered to ensure reliable and accurate operation.