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Ultraviolet LEDs (UV LEDs) are semiconductor devices that emit ultraviolet light when an electric current passes through them. They are typically made from materials such as gallium nitride (GaN) or aluminum gallium nitride (AlGaN). UV LEDs are known for their energy efficiency and long lifespan compared to traditional UV light sources, making them suitable for a variety of applications.
| Wavelength range | 200 nm to 400 nm |
| Power output | 1 mW to 1000 mW |
| Operating voltage | 3 V to 5 V |
| Package types | SMD, through-hole, and chip-on-board |
| Lifespan | up to 50,000 hours |
| Cooling requirements | Active or passive cooling may be required |
When selecting UV LEDs, consider the specific wavelength required for your application, as different wavelengths are effective for different tasks. Buyers should also specify the desired power output and package type. Certifications such as RoHS compliance may be important depending on the application, and it's advisable to request information on the lifespan and thermal management requirements of the LEDs. Quantities can vary based on project needs, so be clear about your requirements when requesting a quote.
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UV LEDs can last up to 50,000 hours under proper operating conditions.
They are used in water purification, sterilization, and curing processes.
Yes, UV LEDs should be handled with care to avoid damage and should not be exposed to direct sunlight.
UV-A (320-400 nm) is used for curing, UV-B (280-320 nm) is used in medical applications, and UV-C (200-280 nm) is effective for disinfection.
Yes, certain wavelengths of UV LEDs are used in phototherapy for skin conditions.
Depending on the power output, UV LEDs may require active or passive cooling to maintain performance.