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H21A6
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H21A6 Optical Sensor

Product Overview

The H21A6 optical sensor is a versatile component used in various electronic applications. This sensor falls under the category of optoelectronic devices and is commonly employed for proximity sensing, object detection, and position control. Known for its reliable performance and precise output, the H21A6 sensor is characterized by its compact package, high sensitivity, and efficient design. It is typically available in bulk packaging with varying quantities to suit different production needs.

Specifications

  • Operating Wavelength: 950 nm
  • Detector Type: Phototransistor
  • Package Type: Through Hole
  • Lead Configuration: 4-pin
  • Maximum Collector Emitter Voltage: 30 V
  • Collector Current: 50 mA
  • Power Dissipation: 100 mW
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The H21A6 sensor features a 4-pin configuration: 1. Pin 1: Anode 2. Pin 2: Cathode 3. Pin 3: Emitter 4. Pin 4: Collector

Functional Features

  • High sensitivity to infrared light
  • Fast response time
  • Low power consumption
  • Compact and durable design
  • Reliable performance in various environmental conditions

Advantages and Disadvantages

Advantages

  • Precise object detection
  • Versatile application range
  • Compact size for easy integration
  • Low power consumption

Disadvantages

  • Limited operating temperature range
  • Susceptible to ambient light interference

Working Principles

The H21A6 optical sensor operates based on the principle of detecting infrared light. When an object comes within the sensor's proximity, it obstructs the path of the emitted infrared light, causing a change in the sensor's output. This change is then processed to determine the presence or absence of the object.

Detailed Application Field Plans

The H21A6 sensor finds extensive use in the following applications: - Proximity sensing in automated machinery - Object detection in robotics - Position control in industrial equipment - Security systems for intrusion detection - Reflective sensors for printing and packaging machinery

Detailed and Complete Alternative Models

  1. H21A1
  2. H21A2
  3. H21A3
  4. H21A4
  5. H21A5

These alternative models offer similar functionality and can be considered based on specific project requirements.

In conclusion, the H21A6 optical sensor is a reliable and efficient component that caters to diverse electronic applications, offering precise object detection and proximity sensing capabilities. Its compact design and high sensitivity make it a preferred choice for various industries, despite its limitations in operating temperature range and susceptibility to ambient light interference.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi H21A6 dalam penyelesaian teknikal

  1. What is the H21A6 sensor used for?

    • The H21A6 sensor is commonly used for detecting the presence or absence of an object, as well as for position sensing in various technical solutions.

  2. What is the operating voltage range of the H21A6 sensor?

    • The operating voltage range of the H21A6 sensor is typically between 4.5V and 5.5V.

  3. How does the H21A6 sensor detect objects?

    • The H21A6 sensor uses an infrared LED and a phototransistor to detect the presence or absence of an object based on the reflection of the emitted infrared light.

  4. Can the H21A6 sensor be used for proximity sensing?

    • Yes, the H21A6 sensor can be used for proximity sensing within a certain range, making it suitable for applications such as object detection and counting.

  5. What is the typical response time of the H21A6 sensor?

    • The typical response time of the H21A6 sensor is in the range of microseconds, allowing for fast and accurate detection of objects.

  6. Is the H21A6 sensor sensitive to ambient light?

    • The H21A6 sensor is designed to minimize the effects of ambient light interference, making it suitable for reliable operation in various lighting conditions.

  7. Can the H21A6 sensor be used in harsh environments?

    • The H21A6 sensor is often designed to withstand harsh environmental conditions, including temperature variations and mechanical stress, making it suitable for industrial applications.

  8. What are the typical output signals of the H21A6 sensor?

    • The H21A6 sensor typically provides digital output signals, making it compatible with microcontrollers and digital logic circuits.

  9. Does the H21A6 sensor require calibration?

    • The H21A6 sensor may require initial calibration during setup to optimize its performance for specific applications, but it generally maintains stable operation once calibrated.

  10. Are there any limitations to the use of the H21A6 sensor?

    • While the H21A6 sensor offers reliable object detection capabilities, it may have limitations in detecting certain types of materials or objects with low reflectivity, requiring careful consideration in application design.