TT Electronics/Optek Technology
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OPB491T11
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OPB491T11

Product Overview

The OPB491T11 belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object. This sensor is known for its high precision and reliability, making it suitable for various applications. The OPB491T11 comes with distinctive characteristics, packaging details, and essential features that make it a preferred choice in the industry.

Basic Information

  • Category: Optical Sensor
  • Use: Object detection
  • Characteristics: High precision, reliability
  • Package: Through-hole
  • Essence: Detection of objects through optical means
  • Packaging/Quantity: Bulk packaging, quantity varies based on supplier

Specifications

  • Operating Voltage: 4.5V to 5.5V
  • Output Type: Phototransistor
  • Sensing Distance: Up to 0.2 inches
  • Operating Temperature: -40°C to 85°C
  • Dimensions: 7.62mm x 4.83mm x 3.18mm

Detailed Pin Configuration

The OPB491T11 features a standard pin configuration with clear labeling for easy integration into electronic circuits.

Pin | Description --- | --- 1 | Anode (+) 2 | Cathode (-) 3 | Emitter 4 | Collector

Functional Features

  • Reliable object detection
  • High sensitivity to ambient light
  • Compact design for easy integration
  • Wide operating temperature range

Advantages

  • High precision in object detection
  • Reliable performance in varying environmental conditions
  • Compact and easy to integrate into different systems

Disadvantages

  • Limited sensing distance compared to some alternatives
  • Susceptible to interference from certain types of ambient light

Working Principles

The OPB491T11 operates on the principle of light reflection and absorption. When an object is within the sensing distance, the emitted light is reflected back to the sensor, causing the phototransistor to switch states and produce an output signal.

Detailed Application Field Plans

The OPB491T11 finds extensive use in various industries such as: - Industrial automation - Robotics - Printing and packaging - Security systems

Detailed and Complete Alternative Models

  • OPB9000: Offers longer sensing distances
  • OPB100Z: Enhanced resistance to ambient light interference
  • OPB700: Compact surface-mount alternative

In conclusion, the OPB491T11 optical sensor offers reliable object detection capabilities with high precision and compact design. Its working principles and application field plans demonstrate its versatility across different industries, making it a valuable component in electronic systems.

Word Count: 411

기술 솔루션에 OPB491T11 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is OPB491T11?

    • OPB491T11 is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. How does OPB491T11 work?

    • The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.

  3. What are the typical applications of OPB491T11?

    • OPB491T11 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection in various technical solutions.

  4. What is the operating voltage range for OPB491T11?

    • The operating voltage range for OPB491T11 is typically between 4.5V and 5.5V.

  5. What is the sensing distance of OPB491T11?

    • The sensing distance of OPB491T11 is approximately 0.2 inches to 0.4 inches (5mm to 10mm), depending on the reflectivity of the object.

  6. Can OPB491T11 be used in harsh environments?

    • OPB491T11 is not designed for harsh environments and may require additional protection if used in dusty, humid, or extreme temperature conditions.

  7. What is the output type of OPB491T11?

    • OPB491T11 provides a digital output, typically in the form of an open-collector NPN transistor.

  8. Is OPB491T11 sensitive to ambient light?

    • OPB491T11 is designed to minimize the effects of ambient light, but it may still require shielding or filtering in brightly lit environments.

  9. Can OPB491T11 be used for speed sensing applications?

    • Yes, OPB491T11 can be utilized for speed sensing by detecting the presence or absence of objects passing by at a certain speed.

  10. Are there any special considerations for mounting OPB491T11?

    • It is important to mount OPB491T11 securely and ensure proper alignment between the LED and phototransistor for accurate sensing. Additionally, minimizing external interference is crucial for reliable operation.