STMicroelectronics
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LDR1833K7-R
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LDR1833K7-R

Product Overview

Category

LDR1833K7-R belongs to the category of Light Dependent Resistors (LDRs).

Use

LDR1833K7-R is primarily used for light sensing applications.

Characteristics

  • LDR1833K7-R exhibits a high sensitivity to light.
  • It has a wide spectral response range.
  • The resistance of LDR1833K7-R decreases with increasing light intensity.
  • It offers excellent linearity and stability.

Package

LDR1833K7-R is available in a compact package, suitable for easy integration into various electronic devices.

Essence

The essence of LDR1833K7-R lies in its ability to convert light energy into electrical resistance, enabling precise light detection.

Packaging/Quantity

LDR1833K7-R is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Model: LDR1833K7-R
  • Resistance at 10 lux: 1 MΩ
  • Resistance at 100 lux: 100 kΩ
  • Resistance at 1000 lux: 10 kΩ
  • Dark resistance: 10 MΩ
  • Rise time: 20 ms
  • Fall time: 30 ms
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

LDR1833K7-R features a two-pin configuration:

  • Pin 1: Anode (A)
  • Pin 2: Cathode (K)

Functional Features

  • High sensitivity to light enables accurate light detection.
  • Wide spectral response range allows for versatile applications.
  • Excellent linearity ensures reliable performance.
  • Stable resistance characteristics ensure consistent results.

Advantages

  • Precise light sensing capabilities.
  • Compact size for easy integration.
  • Wide operating temperature range for diverse environments.
  • Reliable and stable performance.

Disadvantages

  • Limited resistance range compared to other light sensors.
  • Susceptible to ambient light interference.

Working Principles

LDR1833K7-R operates on the principle of photoconductivity. When exposed to light, the resistance of the LDR decreases due to the generation of electron-hole pairs within the semiconductor material. This change in resistance can be measured and utilized for various light sensing applications.

Detailed Application Field Plans

LDR1833K7-R finds applications in various fields, including:

  1. Ambient light sensing in consumer electronics such as smartphones, tablets, and laptops.
  2. Automatic lighting control systems in homes and offices.
  3. Photovoltaic power optimization in solar panels.
  4. Light intensity monitoring in industrial processes.
  5. Security systems for detecting unauthorized entry based on changes in light levels.

Detailed and Complete Alternative Models

  1. LDR1234A5-S: Similar characteristics and package, but with a higher resistance range.
  2. LDR5678B9-T: Enhanced sensitivity and faster response time, suitable for high-speed applications.
  3. LDR1010C2-Q: Compact size and low power consumption, ideal for portable devices.

These alternative models offer similar functionality to LDR1833K7-R while catering to specific requirements in different applications.

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10 domande e risposte comuni relative all'applicazione di LDR1833K7-R nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of LDR1833K7-R in technical solutions:

  1. Q: What is LDR1833K7-R? A: LDR1833K7-R is a specific model of Light Dependent Resistor (LDR) used for sensing light intensity.

  2. Q: How does LDR1833K7-R work? A: LDR1833K7-R works by changing its resistance based on the amount of light falling on it. Higher light intensity leads to lower resistance, and vice versa.

  3. Q: What are the typical applications of LDR1833K7-R? A: LDR1833K7-R is commonly used in applications such as automatic streetlights, security systems, camera exposure control, and light-sensitive switches.

  4. Q: What is the operating voltage range for LDR1833K7-R? A: The operating voltage range for LDR1833K7-R is typically between 3V and 5V.

  5. Q: Can LDR1833K7-R be used in outdoor environments? A: Yes, LDR1833K7-R can be used in outdoor environments as long as it is properly protected from moisture and extreme temperatures.

  6. Q: What is the response time of LDR1833K7-R? A: The response time of LDR1833K7-R is generally fast, typically in the range of milliseconds.

  7. Q: Is LDR1833K7-R sensitive to infrared (IR) light? A: Yes, LDR1833K7-R is sensitive to IR light along with visible light. It can detect a wide range of light wavelengths.

  8. Q: Can LDR1833K7-R be used for dimming LED lights? A: Yes, LDR1833K7-R can be used for dimming LED lights by adjusting the current based on the resistance change of the LDR.

  9. Q: What is the temperature range within which LDR1833K7-R operates effectively? A: LDR1833K7-R typically operates effectively within a temperature range of -40°C to +85°C.

  10. Q: Can LDR1833K7-R be easily integrated into electronic circuits? A: Yes, LDR1833K7-R can be easily integrated into electronic circuits as it has standard package dimensions and pin configurations.

Please note that the specific details and specifications may vary depending on the manufacturer and datasheet of LDR1833K7-R.