TT Electronics/Optek Technology
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OPB891L51
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OPB891L51

Product Overview

The OPB891L51 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This device falls under the category of optical sensors and is commonly used for detecting the presence or absence of an object, as well as for position sensing. The OPB891L51 is known for its compact size, high reliability, and precise functionality. It is typically packaged in a small, durable housing and is available in various packaging quantities to suit different application needs.

Characteristics

  • Compact size
  • High reliability
  • Precise functionality
  • Durable packaging

Package

The OPB891L51 is typically packaged individually in protective casing to ensure its integrity during transportation and handling.

Essence

The essence of the OPB891L51 lies in its ability to accurately detect objects and provide reliable position sensing in diverse applications.

Packaging/Quantity

The OPB891L51 is available in standard packaging quantities suitable for both prototyping and production purposes.

Specifications

  • Operating Voltage: 5V
  • Current Consumption: 20mA
  • Output Type: Phototransistor
  • Sensing Distance: 3mm
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB891L51 features a standard pin configuration with clear labeling for easy integration into circuit designs.

| Pin Number | Function | |------------|--------------| | 1 | VCC (5V) | | 2 | GND | | 3 | Signal Output|

Functional Features

  • Reliable object detection
  • Precise position sensing
  • Fast response time
  • Low power consumption

Advantages

  • Compact design
  • High reliability
  • Wide operating temperature range
  • Easy integration into existing systems

Disadvantages

  • Limited sensing distance
  • Vulnerable to ambient light interference

Working Principles

The OPB891L51 operates on the principle of interruption of the infrared light beam between the emitter and detector components. When an object obstructs the light path, the phototransistor output is activated, signaling the presence of the object.

Detailed Application Field Plans

The OPB891L51 is widely used in: - Printers and copiers for paper jam detection - Industrial automation for part counting and positioning - Robotics for object detection and sorting - Security systems for intrusion detection

Detailed and Complete Alternative Models

  • OPB891L52: Extended sensing distance variant
  • OPB891L53: Higher temperature range variant
  • OPB891L54: Enhanced ambient light rejection variant

In conclusion, the OPB891L51 photo interrupter sensor offers reliable object detection and precise position sensing in a compact and durable package. While it has limitations such as sensing distance and susceptibility to ambient light, its advantages make it a popular choice in various electronic and mechanical applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de OPB891L51 en soluciones técnicas

  1. What is OPB891L51?

    • OPB891L51 is a reflective object sensor with an integrated infrared LED and phototransistor.

  2. What are the typical applications of OPB891L51?

    • It is commonly used in applications such as industrial automation, robotics, and position sensing.

  3. What is the operating voltage range for OPB891L51?

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

  4. How does OPB891L51 detect objects?

    • It uses the reflection of infrared light to detect the presence or absence of an object.

  5. What is the sensing distance of OPB891L51?

    • The sensing distance can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.

  6. Can OPB891L51 be used in outdoor environments?

    • It is not recommended for outdoor use as it is optimized for indoor applications and may be affected by ambient light and weather conditions.

  7. What is the output type of OPB891L51?

    • It has a digital output that switches between high and low based on the presence or absence of the detected object.

  8. Is OPB891L51 sensitive to ambient light?

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

  9. What are the key considerations for integrating OPB891L51 into a technical solution?

    • Key considerations include proper mounting, alignment, and calibration to ensure reliable operation.

  10. Are there any special precautions for handling OPB891L51?

    • It should be handled with care to avoid damaging the optical components, and static discharge precautions should be observed during installation.