TT Electronics/Optek Technology
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OPB872P55
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OPB872P55

Product Overview

Category

The OPB872P55 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
  • Reliable performance

Package

The OPB872P55 is typically available in a compact, surface-mount package.

Essence

The essence of OPB872P55 lies in its ability to accurately detect the presence or absence of objects in various applications.

Packaging/Quantity

The sensor is usually packaged in reels and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Operating Voltage: 4.5V to 5.5V
  • Output Type: Phototransistor
  • Sensing Distance: Up to 3mm
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: Surface Mount

Detailed Pin Configuration

The OPB872P55 typically has four pins: 1. VCC (Power supply) 2. GND (Ground) 3. Output (Phototransistor output) 4. N/C (Not connected)

Functional Features

  • Infrared LED emitter and phototransistor detector
  • Digital output for easy interfacing with microcontrollers
  • High-speed response time

Advantages

  • Compact size allows for easy integration into various applications
  • High sensitivity enables reliable object detection
  • Wide operating temperature range enhances versatility

Disadvantages

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

Working Principles

The OPB872P55 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 output changes, indicating the presence of the object.

Detailed Application Field Plans

The OPB872P55 finds applications in various fields, including: - Industrial automation for object detection in manufacturing processes - Robotics for proximity sensing and object detection - Consumer electronics for position sensing and user interface applications

Detailed and Complete Alternative Models

Some alternative models to OPB872P55 include: - TCRT5000: A similar reflective optical sensor with a longer sensing distance - QRE1113: Reflective object sensor with analog output for distance measurement - GP2Y0A21YK0F: Infrared proximity sensor with a longer sensing range

In conclusion, the OPB872P55 is a compact and reliable optical sensor suitable for various applications requiring accurate object detection within a short range.

Word Count: 398

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق OPB872P55 في الحلول التقنية

  1. What is OPB872P55?

    • OPB872P55 is a reflective object sensor with an integrated infrared emitter and phototransistor.

  2. What are the typical applications of OPB872P55?

    • OPB872P55 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and position sensing.

  3. What is the operating voltage range for OPB872P55?

    • The operating voltage range for OPB872P55 is typically 4.5V to 5.5V.

  4. How does OPB872P55 detect objects?

    • OPB872P55 uses the reflection of its integrated infrared emitter off an object to detect the presence or absence of the object.

  5. What is the sensing distance of OPB872P55?

    • The sensing distance of OPB872P55 is typically up to 2.5mm.

  6. Can OPB872P55 be used in harsh environments?

    • OPB872P55 has a wide operating temperature range and can withstand some level of environmental stress, but it may not be suitable for extremely harsh conditions without additional protection.

  7. What is the output type of OPB872P55?

    • OPB872P55 provides a digital output, typically in the form of an open-collector transistor.

  8. Is OPB872P55 sensitive to ambient light?

    • OPB872P55 is designed to minimize the effects of ambient light interference, but excessive ambient light can still affect its performance.

  9. Can OPB872P55 be used for speed sensing?

    • Yes, OPB872P55 can be used for speed sensing in applications such as motor speed control and conveyor belt monitoring.

  10. Are there any special considerations for mounting OPB872P55?

    • It is important to ensure proper alignment and mounting of OPB872P55 to achieve reliable and accurate detection. Additionally, minimizing external sources of infrared light can improve its performance.