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LED, SMD, broken reel, ROHS

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LED, white, 3×3×0.65

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LED, Sidelooker, I/R

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DISPLAY 7SEG 0.56" SGL RED 10DIP

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LED SMD, white

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LED-Anzeige,

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LED

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LED GREEN CLEAR 2PLCC SMD

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SMD LED PLCC-2

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LED, Stanley

White color emitting LED

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LED stands for "Light Emitting Diode." It is a semiconductor device that emits light when an electric current flows through it. LEDs have become widely popular as an energy-efficient and versatile lighting solution, and they are used in various applications across different industries. Here's an overview of LEDs:
  1. Basic Function: An LED is a type of diode that emits light when electrons move from the higher energy level (conduction band) to the lower energy level (valence band) within the semiconductor material. This process releases energy in the form of photons, resulting in visible light.
  2. Energy Efficiency: LEDs are highly energy-efficient compared to traditional incandescent and fluorescent lights. They convert a higher percentage of electrical energy into visible light, resulting in less energy wastage as heat.
  3. Long Lifespan: LEDs have a much longer operational lifespan compared to traditional light sources. They can last tens of thousands of hours, reducing the need for frequent replacements.
  4. Instant Lighting: LEDs light up instantly when powered on, unlike some traditional light sources that require warm-up time.
  5. Size and Design Flexibility: LEDs are small and compact, allowing for versatile designs and applications. They can be arranged in various shapes and sizes to create customized lighting solutions.
  6. Color Variety: LEDs are available in a wide range of colors, from the visible spectrum to ultraviolet and infrared, depending on the semiconductor material used. This enables their use in decorative lighting, displays, and various specialized applications.
  7. Controllability: LEDs can be dimmed and controlled easily, allowing for dynamic lighting effects and energy savings through dimming systems.
  8. Heat Sensitivity: LEDs are sensitive to heat, and excessive heat can affect their performance and lifespan. Proper heat management and heat sinks are important in LED design.
  9. Applications: LEDs are used in a variety of applications, including lighting for homes, offices, streets, and vehicles. They are also used in displays, signage, backlighting for screens, indicators, automotive lighting, and more.
  10. Environmental Benefits: LEDs do not contain hazardous materials like mercury, which is present in fluorescent lights. Their energy efficiency also contributes to reduced greenhouse gas emissions.
  11. Challenges: While LEDs have numerous advantages, their initial cost can be higher than traditional lighting options. Additionally, achieving consistent color temperatures and color rendering across different LED products can sometimes be a challenge.
In summary, LEDs are semiconductor devices that emit light when an electric current passes through them. Their energy efficiency, long lifespan, instant lighting, and versatility have made them a popular choice for various lighting and display applications.