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OPB490P11
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OPB490P11

Product Overview

The OPB490P11 is a photo interrupter sensor belonging to the category of optoelectronic devices. It is commonly used for detecting the presence or absence of an object, and it possesses characteristics such as high sensitivity, reliability, and compact design. The sensor is typically packaged in a small housing with an infrared LED and phototransistor pair, and it is available in various packaging/quantity options to suit different application requirements.

Specifications

  • Operating Wavelength: 950 nm
  • Aperture Width: 0.030" (0.76 mm)
  • Aperture Height: 0.100" (2.54 mm)
  • Supply Voltage: 5 V
  • Output Type: Phototransistor
  • Maximum Collector Current: 20 mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPB490P11 features a standard 4-pin configuration: 1. Anode of Infrared LED 2. Cathode of Infrared LED 3. Collector of Phototransistor 4. Emitter of Phototransistor

Functional Features

  • High sensitivity to detect objects
  • Reliable performance in various environmental conditions
  • Compact and space-saving design
  • Low power consumption

Advantages and Disadvantages

Advantages

  • High sensitivity enables accurate object detection
  • Reliable performance in challenging environments
  • Compact design allows for versatile installation
  • Low power consumption for energy efficiency

Disadvantages

  • Limited operating temperature range may not be suitable for extreme conditions
  • Sensitivity to ambient light may require additional shielding in some applications

Working Principles

The OPB490P11 operates based on the interruption of the infrared light beam between the LED and phototransistor. When an object passes through the gap, it obstructs the light, causing the phototransistor to switch states and produce an output signal. This principle enables the sensor to detect the presence or absence of objects accurately.

Detailed Application Field Plans

The OPB490P11 is widely used in various applications, including: - Object detection in industrial automation - Paper feed control in printers and copiers - Slot sensors in vending machines and gaming equipment - Encoder systems for precise motion control - Robotics for object detection and counting

Detailed and Complete Alternative Models

  • OPB490P51: Similar specifications with enhanced ambient light rejection
  • OPB490L55: Lower profile package for space-constrained applications
  • OPB490N11: Narrow aperture width for specific object detection requirements

In conclusion, the OPB490P11 photo interrupter sensor offers high sensitivity, reliability, and compact design, making it suitable for various object detection applications across different industries.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi OPB490P11 dalam penyelesaian teknikal

  1. What is OPB490P11?

    • OPB490P11 is a reflective object sensor that can be used for detecting the presence or absence of an object.

  2. What is the operating voltage range for OPB490P11?

    • The operating voltage range for OPB490P11 is typically 4.5V to 5.5V.

  3. What is the typical sensing distance of OPB490P11?

    • The typical sensing distance of OPB490P11 is around 0.125 inches (3.175mm).

  4. Can OPB490P11 be used in outdoor environments?

    • OPB490P11 is not designed for outdoor use as it may be affected by ambient light and environmental conditions.

  5. What is the output type of OPB490P11?

    • OPB490P11 has a digital output, providing a logic high or low signal based on the presence or absence of the detected object.

  6. Is OPB490P11 suitable for use in industrial automation applications?

    • Yes, OPB490P11 can be used in industrial automation for object detection and counting applications.

  7. What is the response time of OPB490P11?

    • The response time of OPB490P11 is typically very fast, allowing for real-time object detection.

  8. Can OPB490P11 be used with microcontrollers?

    • Yes, OPB490P11 can be easily interfaced with microcontrollers through its digital output.

  9. Does OPB490P11 require any external components for operation?

    • OPB490P11 may require some external components such as resistors and capacitors for proper operation and noise immunity.

  10. Are there any specific precautions to consider when using OPB490P11?

    • It is important to shield OPB490P11 from ambient light sources and ensure proper alignment for accurate object detection.