The 5mm Ultraviolet (UV) LED 395nm is a high-brightness ultraviolet light-emitting diode designed to produce UV light with a peak wavelength of approximately 395nm. This wavelength lies near the visible ultraviolet spectrum and is commonly used for fluorescence detection, counterfeit currency verification, curing applications, special lighting effects, scientific experiments, and educational projects.
Featuring a compact 5mm through-hole package, this UV LED is easy to integrate into breadboards, PCBs, and DIY electronic projects. Its low power consumption, long operational life, and reliable performance make it an excellent choice for hobbyists, students, and professional electronics applications.
Key Features of 5mm UV LED 395nm
- Emits ultraviolet light at approximately 395nm wavelength
- High brightness and efficient UV output
- Compact 5mm through-hole package
- Low power consumption
- Fast switching response
- Long operational lifespan
- Easy integration with Arduino and microcontroller projects
- Suitable for fluorescence and UV detection applications
- Reliable and durable construction
Technical Specifications
- Product Type: Ultraviolet LED
- LED Diameter: 5mm
- Emitted Color: Ultraviolet (UV)
- Peak Wavelength: 395nm
- Lens Type: Clear
- Mounting Type: Through-Hole
- Forward Voltage: Typically 3.0V – 3.4V
- Forward Current: Typically 20mA
- Viewing Angle: Varies by manufacturer
- Polarity: Anode (+) and Cathode (-)
- Operating Temperature: Depends on manufacturer specifications
Pin Configuration and Polarity
The UV LED consists of two terminals:
- Anode (+): Longer lead
- Cathode (-): Shorter lead and flat edge on the LED body
Ensure correct polarity during installation for proper operation.
How Does the 395nm UV LED Work?
The UV LED produces ultraviolet light when electrical current flows through its semiconductor junction. Unlike visible LEDs, a significant portion of its emitted energy lies within the ultraviolet spectrum around 395nm.
When UV light strikes certain materials, they fluoresce and emit visible light, making the LED useful for detection, inspection, and special lighting applications.
Applications of Ultraviolet LED 395nm
- Currency verification systems
- Fluorescent material detection
- UV-sensitive ink detection
- Science and laboratory experiments
- DIY electronics projects
- UV curing applications
- Security and authentication systems
- Mineral and gemstone inspection
- Decorative UV lighting effects
- Educational electronics projects
Advantages of 5mm UV LED
- Energy-efficient operation
- Compact and lightweight design
- Long service life
- Fast response time
- Easy installation and integration
- Reliable UV light source
- Suitable for battery-powered projects
Usage Tips and Safety Precautions
- Always use an appropriate current-limiting resistor.
- Verify LED polarity before connecting power.
- Avoid looking directly into the UV LED while operating.
- Operate within the recommended voltage and current ratings.
- Store in a dry environment to maintain performance.
- Suitable for both breadboard prototyping and PCB installations.
Note: Images are for Illustration Purposes Only.
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