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OPB840W51
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OPB840W51

Product Overview

The OPB840W51 is a photo interrupter sensor designed for precise and reliable detection in various applications. This optoelectronic device falls under the category of sensors and is commonly used for position sensing, object detection, and motion control. The sensor exhibits characteristics such as high sensitivity, compact design, and efficient performance. It is typically packaged in a small, durable housing and is available in varying quantities to suit different application requirements.

Specifications

  • Operating Wavelength: 950 nm
  • Aperture Width: 0.030" (0.76 mm)
  • Aperture Height: 0.120" (3.05 mm)
  • Output Configuration: Phototransistor
  • Maximum Collector Current: 50 mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPB840W51 features a standard 4-pin configuration: 1. Anode 2. Cathode 3. Emitter 4. Collector

Functional Features

  • High sensitivity to detect objects accurately
  • Fast response time for real-time applications
  • Compact size for easy integration into various systems
  • Reliable performance in diverse environmental conditions

Advantages and Disadvantages

Advantages

  • Precise and reliable object detection
  • Compact and versatile design
  • Wide operating temperature range

Disadvantages

  • Limited maximum collector current
  • Sensitivity to ambient light in certain conditions

Working Principles

The OPB840W51 operates based on the interruption of the infrared light beam between the emitter and collector. When an object passes through the sensor's aperture, it obstructs the light, causing a change in the phototransistor's output. This change is then interpreted as the presence or absence of the object, enabling accurate detection.

Detailed Application Field Plans

The OPB840W51 is widely used in various applications, including: - Printers and copiers for paper jam detection - Industrial automation for position sensing and object detection - Robotics for precise motion control - Security systems for intrusion detection

Detailed and Complete Alternative Models

  • OPB820Z: Similar photo interrupter with enhanced ambient light rejection
  • OPB830W: Photo interrupter with a wider aperture for larger objects
  • OPB850W: High-speed photo interrupter for rapid object detection

In conclusion, the OPB840W51 offers precise and reliable object detection capabilities, making it a valuable component in a wide range of applications. Its compact design, high sensitivity, and versatile nature make it a popular choice for engineers and designers seeking dependable optoelectronic solutions.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät OPB840W51 :n soveltamiseen teknisissä ratkaisuissa

  1. What is the OPB840W51 sensor used for?

    • The OPB840W51 sensor is commonly used for detecting the presence or absence of an object, as well as for counting and positioning applications.

  2. What is the operating voltage range of the OPB840W51 sensor?

    • The operating voltage range of the OPB840W51 sensor is typically between 4.5V and 5.5V.

  3. What is the sensing distance of the OPB840W51 sensor?

    • The sensing distance of the OPB840W51 sensor is approximately 0.125 inches (3.18mm).

  4. Can the OPB840W51 sensor be used in harsh environments?

    • Yes, the OPB840W51 sensor is designed to operate reliably in harsh industrial environments, including those with dust, dirt, and other contaminants.

  5. What is the output type of the OPB840W51 sensor?

    • The OPB840W51 sensor provides a digital output, making it suitable for interfacing with microcontrollers and other digital systems.

  6. Is the OPB840W51 sensor sensitive to ambient light?

    • The OPB840W51 sensor is designed to minimize the effects of ambient light, making it suitable for use in various lighting conditions.

  7. Can the OPB840W51 sensor be used for speed sensing applications?

    • Yes, the OPB840W51 sensor can be utilized for speed sensing applications, such as detecting the rotation of a shaft or wheel.

  8. What is the typical response time of the OPB840W51 sensor?

    • The typical response time of the OPB840W51 sensor is in the range of microseconds, allowing for fast and accurate detection of objects.

  9. Does the OPB840W51 sensor require any calibration?

    • The OPB840W51 sensor is factory calibrated and typically does not require user calibration, simplifying its integration into technical solutions.

  10. Are there any recommended mounting considerations for the OPB840W51 sensor?

    • It is recommended to mount the OPB840W51 sensor securely and ensure proper alignment with the target object for optimal performance.