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OPB890T51
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OPB890T51

Product Overview

The OPB890T51 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This sensor falls under the category of optoelectronic devices and is commonly used to detect the presence or absence of an object. Its characteristics include high sensitivity, compact size, and reliable performance. The sensor is typically packaged in a small housing with an infrared LED and phototransistor pair, and is available in various packaging options and quantities to suit different application requirements.

Specifications

  • Operating Voltage: 5V
  • Current Consumption: 20mA
  • Output Type: Digital (TTL compatible)
  • Sensing Distance: 3mm
  • Operating Temperature: -40°C to 85°C
  • Package Type: Through Hole
  • Quantity: Available in bulk packaging

Detailed Pin Configuration

The OPB890T51 features a standard 4-pin configuration: 1. VCC 2. GND 3. Signal Output 4. N/C (Not Connected)

Functional Features

  • High sensitivity to detect objects within the specified range
  • Fast response time for real-time object detection
  • TTL compatible output for easy interfacing with microcontrollers and digital circuits
  • Compact design for easy integration into various applications

Advantages and Disadvantages

Advantages

  • Reliable object detection capability
  • Compact and versatile design
  • Easy to interface with digital systems

Disadvantages

  • Limited sensing distance
  • Susceptible to ambient light interference

Working Principles

The OPB890T51 operates on the principle of interruption of the infrared light beam between the LED and phototransistor pair. When an object is present within the sensing distance, it obstructs the light beam, causing the phototransistor to switch its state and produce a corresponding output signal.

Detailed Application Field Plans

The OPB890T51 finds extensive use in various applications, including: - Object detection in industrial automation systems - Position sensing in robotics and machinery - Paper detection in printers and copiers - Slot detection in vending machines and gaming devices

Detailed and Complete Alternative Models

  • OPB890T55: Similar specifications with extended sensing distance
  • OPB890T52: Higher current handling capacity for industrial applications
  • OPB890T50: Lower power consumption for battery-operated devices

In conclusion, the OPB890T51 photo interrupter sensor offers a reliable and compact solution for object detection and position sensing in a wide range of electronic and mechanical applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi OPB890T51 dalam penyelesaian teknikal

  1. What is OPB890T51?

    • OPB890T51 is a reflective object sensor with a compact design, consisting of an infrared LED and a phototransistor.

  2. What are the typical applications of OPB890T51?

    • OPB890T51 is commonly used in applications such as paper detection in printers, edge detection in robotics, and object detection in industrial automation.

  3. What is the operating voltage range for OPB890T51?

    • The operating voltage range for OPB890T51 is typically between 4.5V to 5.5V.

  4. How does OPB890T51 detect objects?

    • OPB890T51 detects objects by emitting infrared light from its LED and measuring the amount of light reflected back to its phototransistor.

  5. What is the sensing distance of OPB890T51?

    • The sensing distance of OPB890T51 is typically up to 0.125 inches (3.175mm).

  6. Can OPB890T51 be used in outdoor environments?

    • OPB890T51 is designed for indoor use and may not perform reliably in outdoor environments due to ambient light interference.

  7. What is the output type of OPB890T51?

    • OPB890T51 provides a digital output, which switches from high to low when an object is detected within its sensing range.

  8. Is OPB890T51 resistant to electrical noise?

    • OPB890T51 has built-in noise immunity features, but additional shielding or filtering may be required in noisy electrical environments.

  9. What is the recommended operating temperature range for OPB890T51?

    • The recommended operating temperature range for OPB890T51 is typically between -40°C to 85°C.

  10. Can OPB890T51 be used in battery-powered devices?

    • Yes, OPB890T51's low power consumption makes it suitable for use in battery-powered devices, extending the device's operational life.