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OPB881L51Z
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OPB881L51Z Encyclopedia Entry

Product Overview

The OPB881L51Z 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, compact size, and reliable performance. The sensor is typically packaged in a small, durable housing and is available in various packaging quantities to suit different application needs.

Specifications

  • Operating Voltage: 3.1V to 5.5V
  • Output Type: Digital
  • Sensing Method: Reflective
  • Package Type: Surface Mount
  • Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

The OPB881L51Z features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (Not Connected)

Functional Features

  • High sensitivity to detect objects
  • Digital output for easy interfacing with microcontrollers
  • Reliable performance across varying environmental conditions

Advantages and Disadvantages

Advantages

  • Compact size allows for easy integration into designs
  • Wide operating voltage range enhances versatility
  • Reliable reflective sensing method

Disadvantages

  • Limited sensing range compared to some other optical sensors
  • Susceptible to ambient light interference in certain applications

Working Principles

The OPB881L51Z operates based on the principle of reflective sensing. It emits an infrared light beam and detects the reflection from an object to determine its presence or absence. The digital output signal indicates the status of the detected object.

Detailed Application Field Plans

The OPB881L51Z is well-suited for various applications, including: - Object detection in automated assembly lines - Paper detection in printers and copiers - Proximity sensing in consumer electronics - Robotics for obstacle detection

Detailed and Complete Alternative Models

Some alternative models to the OPB881L51Z include: - TCRT5000: A similar reflective optical sensor with analog output - EE-SX670: Compact reflective sensor with a built-in amplifier - QRE1113: Reflective sensor with integrated IR emitter and phototransistor

In conclusion, the OPB881L51Z is a versatile optical sensor with high sensitivity and reliable performance, making it suitable for a wide range of object detection and proximity sensing applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av OPB881L51Z i tekniska lösningar

  1. What is OPB881L51Z?

    • OPB881L51Z is a reflective object sensor that consists of an infrared LED and a phototransistor, designed for use in applications such as position sensing, edge detection, and object counting.

  2. What is the operating voltage range of OPB881L51Z?

    • The operating voltage range of OPB881L51Z is typically between 4.5V to 5.5V.

  3. What is the typical sensing distance of OPB881L51Z?

    • The typical sensing distance of OPB881L51Z is around 0.125 inches (3.175mm).

  4. How does OPB881L51Z handle ambient light interference?

    • OPB881L51Z is designed to minimize the effects of ambient light interference through its modulated LED and photodetector circuitry.

  5. What are the typical applications of OPB881L51Z?

    • OPB881L51Z is commonly used in applications such as paper registration in printers, edge detection in robotics, and object detection in industrial automation.

  6. What is the output type of OPB881L51Z?

    • OPB881L51Z provides a digital output, which switches from high to low when an object is detected within its sensing range.

  7. Can OPB881L51Z be used in harsh environmental conditions?

    • OPB881L51Z has a wide operating temperature range and can be used in various environmental conditions, but it's important to ensure that it is protected from excessive moisture and mechanical stress.

  8. What is the response time of OPB881L51Z?

    • The response time of OPB881L51Z is typically in the range of microseconds, allowing for fast and accurate object detection.

  9. Does OPB881L51Z require any external components for operation?

    • OPB881L51Z does not require any external components for basic operation, but may benefit from additional filtering or amplification circuits depending on the specific application requirements.

  10. Is OPB881L51Z RoHS compliant?

    • Yes, OPB881L51Z is RoHS compliant, ensuring that it meets environmental standards for hazardous substance restrictions.