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LDR11866
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LDR11866 Encyclopedia Entry

Product Overview

Category

The LDR11866 belongs to the category of light-dependent resistors (LDRs), also known as photoresistors.

Use

It is used to detect and measure light levels in various electronic and electrical applications.

Characteristics

  • Light-sensitive
  • Variable resistance based on light intensity
  • Typically cylindrical or round in shape
  • Sensitive to a wide range of light wavelengths

Package

The LDR11866 is commonly available in a small, cylindrical package with two leads for connection.

Essence

The essence of the LDR11866 lies in its ability to convert light energy into changes in resistance, making it suitable for light-sensing applications.

Packaging/Quantity

The LDR11866 is typically sold in packs of multiple units, with quantities varying based on supplier and customer requirements.

Specifications

  • Resistance Range: 5-20 kΩ (in darkness) to 200-500 Ω (in bright light)
  • Operating Temperature: -30°C to 70°C
  • Power Rating: 100 mW
  • Spectral Response: 400-700 nm

Detailed Pin Configuration

The LDR11866 has two pins for connection. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Light Sensing: The LDR11866 can accurately sense and respond to changes in ambient light levels.
  • Variable Resistance: Its resistance changes in response to light, allowing it to be used in light-controlled circuits.

Advantages

  • Simple and easy to use
  • Wide operating temperature range
  • Low cost
  • Can be easily integrated into various electronic designs

Disadvantages

  • Slow response time to rapid changes in light intensity
  • Susceptible to damage from excessive light exposure
  • Limited precision compared to some other light sensing technologies

Working Principles

The LDR11866 operates on the principle of photoconductivity, where the resistance of the device decreases as the intensity of incident light increases. This change in resistance is utilized in various electronic circuits to control or measure light levels.

Detailed Application Field Plans

The LDR11866 finds applications in: - Automatic outdoor lighting systems - Camera exposure control - Solar-powered devices - Light intensity monitoring in industrial processes - Consumer electronics with automatic brightness adjustment

Detailed and Complete Alternative Models

Some alternative models to the LDR11866 include: - LDR11865 - LDR11867 - LDR11868 - LDR11869

These models offer similar light-sensing capabilities with variations in specifications and form factors to suit different application requirements.

In conclusion, the LDR11866 is a versatile light-dependent resistor that offers reliable light sensing capabilities for a wide range of electronic and electrical applications.

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10 سوال و پاسخ رایج مربوط به کاربرد LDR11866 در راه حل های فنی را فهرست کنید

  1. What is LDR11866?

    • LDR11866 is a type of light-dependent resistor (LDR) commonly used in electronic circuits to detect and measure light levels.

  2. How does LDR11866 work?

    • LDR11866 works by changing its resistance based on the intensity of light it is exposed to. When light levels increase, the resistance decreases, and vice versa.

  3. What are the typical applications of LDR11866?

    • LDR11866 is commonly used in light-sensitive devices such as streetlights, camera exposure control, and automatic night lights.

  4. What is the resistance range of LDR11866?

    • The resistance range of LDR11866 typically varies from several kilohms in darkness to several hundred ohms in bright light.

  5. How can LDR11866 be integrated into a circuit?

    • LDR11866 can be easily integrated into a circuit by connecting it in series or parallel with other components, depending on the specific application requirements.

  6. What are the environmental considerations for using LDR11866?

    • LDR11866 should be protected from moisture and extreme temperatures to ensure accurate and reliable performance.

  7. Can LDR11866 be used in outdoor applications?

    • Yes, LDR11866 can be used in outdoor applications, but it should be housed in a protective enclosure to shield it from environmental factors.

  8. How does LDR11866 compare to other types of light sensors?

    • LDR11866 offers a cost-effective solution for light sensing applications and is suitable for many common light detection needs.

  9. What are the limitations of LDR11866?

    • LDR11866 may have slower response times compared to some other light sensors, and its sensitivity can be affected by ambient temperature changes.

  10. Are there any special considerations for calibrating LDR11866 in a technical solution?

    • Calibration of LDR11866 may be necessary to ensure accurate light level measurements, especially when used in critical applications such as photography or light-controlled systems.