TT Electronics/Optek Technology
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OPB827A
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OPB827A

Product Overview

The OPB827A belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object. Its characteristics include high sensitivity, reliability, and compact design. The package includes the sensor itself along with any necessary mounting hardware. The essence of the OPB827A lies in its ability to accurately detect objects within its range. It is typically available in standard packaging with a specified quantity per package.

Specifications

  • Operating Voltage: 4.5V to 16V
  • Output Type: Phototransistor
  • Sensing Method: Reflective
  • Operating Temperature: -40°C to 85°C
  • Response Time: 15µs

Detailed Pin Configuration

The OPB827A features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (No Connection)

Functional Features

The OPB827A operates by emitting infrared light from its LED and detecting the reflected light using its phototransistor. This enables it to accurately sense the presence or absence of an object, making it suitable for various applications.

Advantages and Disadvantages

Advantages

  • High sensitivity
  • Reliable performance
  • Compact design
  • Wide operating voltage range

Disadvantages

  • Limited sensing range
  • Susceptible to ambient light interference

Working Principles

When powered, the OPB827A emits infrared light towards the target surface. If an object is present, the light is reflected back to the phototransistor, causing it to conduct and produce an output signal. In the absence of an object, minimal light is reflected, resulting in a non-conducting phototransistor.

Detailed Application Field Plans

The OPB827A finds extensive use in various fields such as: - Industrial automation for object detection - Robotics for proximity sensing - Printers and copiers for paper jam detection - Vending machines for product dispensing control

Detailed and Complete Alternative Models

Some alternative models to the OPB827A include: - TCRT5000: A similar reflective optical sensor with a compact design - GP2Y0A21YK: Longer-range proximity sensor with analog output - QRE1113: Reflective object sensor with digital output

In conclusion, the OPB827A is a versatile optical sensor with reliable performance and high sensitivity, making it suitable for a wide range of applications across different industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPB827A v technických řešeních

  1. What is the OPB827A?

    • The OPB827A 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 is the operating voltage range of the OPB827A?

    • The OPB827A operates within a voltage range of 4.5V to 5.5V.

  3. What is the typical sensing distance of the OPB827A?

    • The typical sensing distance of the OPB827A is around 0.2 inches (5mm).

  4. How does the OPB827A 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 are some common applications of the OPB827A?

    • The OPB827A is commonly used in applications such as paper detection in printers, edge detection in robotics, and object detection in industrial automation.

  6. What is the output type of the OPB827A?

    • The OPB827A provides a digital output, typically in the form of an open-collector output.

  7. What is the operating temperature range of the OPB827A?

    • The OPB827A can operate within a temperature range of -40°C to 85°C.

  8. Can the OPB827A be used in outdoor environments?

    • While the OPB827A can tolerate a wide temperature range, it is not specifically designed for outdoor use and may be affected by environmental factors such as moisture and direct sunlight.

  9. What are the key considerations for integrating the OPB827A into a technical solution?

    • Key considerations include proper alignment of the sensor with the target object, managing ambient light interference, and ensuring the electrical compatibility with the rest of the system.

  10. Is the OPB827A sensitive to different types of materials?

    • The OPB827A can detect a variety of materials, but its sensitivity may vary depending on the reflectivity and color of the object. Testing with specific materials is recommended for optimal performance.