Vishay Semiconductor Opto Division
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VEMD2523X01
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VEMD2523X01

Introduction

The VEMD2523X01 is a photodiode belonging to the category of optoelectronic components. This device is commonly used for light sensing applications and exhibits specific characteristics, packaging, and quantity details.

Basic Information Overview

  • Category: Optoelectronic Component
  • Use: Light Sensing
  • Characteristics: High sensitivity to visible and near-infrared light, low dark current
  • Package: Surface Mount
  • Essence: Photodiode
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Wavelength Range: 350 nm to 1100 nm
  • Reverse Voltage: 20 V
  • Dark Current: 2 nA
  • Responsivity (λ = 940 nm): 0.45 A/W

Detailed Pin Configuration

The VEMD2523X01 features a standard SMD pin configuration with an anode and cathode for easy integration into circuit designs.

Functional Features

  • High sensitivity to visible and near-infrared light
  • Low dark current for improved signal-to-noise ratio
  • Fast response time for real-time light sensing applications

Advantages and Disadvantages

Advantages

  • High sensitivity across a broad wavelength range
  • Low dark current enhances signal quality
  • Fast response time for dynamic light sensing applications

Disadvantages

  • Susceptible to ambient light interference
  • Limited to specific wavelength ranges

Working Principles

The VEMD2523X01 operates based on the principle of internal photoelectric effect, where incident photons generate electron-hole pairs within the semiconductor material, resulting in a measurable photocurrent.

Detailed Application Field Plans

The VEMD2523X01 finds extensive use in various applications, including: - Ambient light sensing in consumer electronics - Industrial automation for light detection and control - Medical devices for non-invasive optical sensing

Detailed and Complete Alternative Models

  1. VEMD2523X02 - Enhanced sensitivity and lower dark current
  2. VEMD2523X03 - Extended wavelength range for specialized applications
  3. VEMD2523X04 - Higher reverse voltage tolerance for rugged environments

In conclusion, the VEMD2523X01 photodiode offers high sensitivity and low dark current, making it suitable for diverse light sensing applications across different industries.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem VEMD2523X01 w rozwiązaniach technicznych

  1. What is the VEMD2523X01 photodiode used for?

    • The VEMD2523X01 is a high-speed, low-noise photodiode designed for applications such as optical communication, industrial automation, and medical devices.

  2. What is the spectral range of the VEMD2523X01?

    • The VEMD2523X01 has a spectral range from 350 nm to 1100 nm, making it suitable for a wide range of light detection applications.

  3. What is the responsivity of the VEMD2523X01?

    • The responsivity of the VEMD2523X01 is typically 0.45 A/W at 850 nm, which indicates its sensitivity to light in that wavelength range.

  4. What is the dark current of the VEMD2523X01?

    • The dark current of the VEMD2523X01 is typically very low, around 1 nA, ensuring minimal noise in low-light conditions.

  5. Can the VEMD2523X01 be used in high-speed applications?

    • Yes, the VEMD2523X01 is designed for high-speed applications, with a rise time as fast as 4 ns, making it suitable for use in fast data transmission systems.

  6. What is the package type of the VEMD2523X01?

    • The VEMD2523X01 comes in a small, surface-mount package, making it easy to integrate into compact electronic designs.

  7. Is the VEMD2523X01 sensitive to ambient light?

    • The VEMD2523X01 has a built-in daylight blocking filter, which reduces its sensitivity to ambient light, making it suitable for outdoor and industrial environments.

  8. What is the typical capacitance of the VEMD2523X01?

    • The typical capacitance of the VEMD2523X01 is around 50 pF, which is important for high-speed signal processing and transmission.

  9. Can the VEMD2523X01 be used in medical devices?

    • Yes, the VEMD2523X01's high sensitivity and low noise make it suitable for use in medical devices such as pulse oximeters and photoplethysmography sensors.

  10. What are some common design considerations when using the VEMD2523X01?

    • Designers should consider factors such as optical coupling, signal conditioning, and temperature stability to ensure optimal performance when integrating the VEMD2523X01 into technical solutions.