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    AI Overview
    High Radiant Power 3535 UVA UV 3W 275nm LED for Water Air ...
    275nm UVC LEDs are highly effective, energy-efficient components for air purification, targeting the germicidal UVC band (200-280nm) to deactivate microorganisms by damaging their nucleic acids. These LEDs offer long lifespans (up to 25,000 hours), making them ideal for in-duct HVAC systems, portable purifiers, and surface sterilization to achieve up to 99.99% sterilization rates. 
    Key Applications & Benefits 
    • Air Disinfection: 275nm LEDs destroy germs, bacteria, and viruses, often used in HVAC systems to disinfect air as it circulates.
    • Photocatalytic Oxidation: Used with TiO₂ (titanium dioxide) coatings to degrade harmful gases, volatile organic compounds (VOCs), and odors.
    • Safe Operation: Many modern UVC LED modules are mercury-free, generate no ozone (
      O3cap O sub 3
      𝑂3
      ), and are safe for residential and commercial use.
    • Efficiency: 275nm is considered near the "sweet spot" for germicidal effectiveness, offering strong UVC output to kill pathogens rapidly. 
    Common Components 
    • Seoul Viosys UVC LEDs: Commonly used in high-efficiency, 275nm modules for professional disinfection.
    • Chip-on-Board (COB) Packages: Available in 15mm/20mm medium and high-power configurations for direct integration.
    • SMD LEDs: Compact, versatile packages suitable for smaller, customized air purification devices. 
    • LED UVC Lamp 275nm And 395nm LED Ultraviolet Light Disinfection
      UVA photocatalyst technology has an indirect bactericidal effect. Under the action of ultraviolet light, the photocatalyst produce...
      uvwavetek
    • In-Duct Air Disinfection and Purification System - uvfab
      CE Certified * High-efficiency UVC Sterilization: Eliminates viruses and bacteria using 275nm UVC LED. * Photocatalytic Reaction T...
      www.uvfab.com
    • 275nm UVC LED - Chip-on-Board (COB) Packages - High and Medium Power - Boston Electronics
      The 275nm UVC LEDs are available in chip-on-board (COB) packages with medium and high output. The COB size, power, and field of vi...
      Boston Electronics
    Show all
    Show more

    Web results

    UVC LED 275nm Chip for Sterilization


    Moonleds
    https://www.moon-leds.com › ... › UV LED › UVC LED
    Moonleds
    https://www.moon-leds.com › ... › UV LED › UVC LED
    The third-party unit test report shows that the sterilization effect can be as high as 99.99% in the application of water sterilization and air sterilization.Read more
    UVC LED 275nm for Air Purification from www.moon-leds.com

    UVC LEDs


    Luminus Devices
    https://www.luminus.com › products › uvc
    Luminus Devices
    https://www.luminus.com › products › uvc
    Luminus UV-C LEDs are highly efficient, have compact form factors and enable applications such as healthcare disinfection, water and air purification.Read more
    UVC LED 275nm for Air Purification from www.luminus.com

    275nm UVC LED - Chip-on-Board (COB) Packages


    Boston Electronics
    https://shop.boselec.com › Products
    Boston Electronics
    https://shop.boselec.com › Products
    We offer 275nm UVC LEDs on chip-on-board (COB) packages with medium and high output. COB size, power and field of view vary, providing you with multiple product ...Read more
    UVC LED 275nm for Air Purification from shop.boselec.com
    $43.26 · In stock · 30-day returns
    Missing: Air ‎Purification

    Violet UVC 275nm LED Module 3.5mW USB-C 30x30mm 5V


    Lumistrips.com
    https://www.lumistrips.com › power-led-modules-en
    Lumistrips.com
    https://www.lumistrips.com › power-led-modules-en
    The compact disinfection module is equipped with a 275 nm UVC LED, making it easy to use by plug and play connection to a 5 V power supply with USB-C output.Read more
    UVC LED 275nm for Air Purification from www.lumistrips.com
    €8.80 · In stock · 5.0 · Review by Neha · Free delivery over $100

    UV LEDs - UVA, UVB, UVC LED Lights | ILT


    International Light
    https://internationallight.com › applications › uvc-leds
    International Light
    https://internationallight.com › applications › uvc-leds
    Our UVC LEDs are rated as 275 nm (270 - 280 nm) wavelength and they are available in few different power levels and styles.Read more
    UVC LED 275nm for Air Purification from internationallight.com

    Evaluation of the decontamination efficacy of a portable air ...


    National Institutes of Health (.gov)
    https://pubmed.ncbi.nlm.nih.gov › ...
    National Institutes of Health (.gov)
    https://pubmed.ncbi.nlm.nih.gov › ...
    by J Reissner · 2025 · Cited by 2 — Thus, the purpose of this study was to evaluate the air decontamination efficacy of a PAC using a 275-nm UVC-LED unit and fibrous-media air ...Read more

    Deep UVC LED 275nm CUD7GF1A Water Sterilizer Medical ...


    leduvcuring.com
    https://www.leduvcuring.com › deep-uvc-led-275nm-cu...
    leduvcuring.com
    https://www.leduvcuring.com › deep-uvc-led-275nm-cu...
    CUD7GF1A Deep UVC LED, 275nm newly imported product, is used for microbial sterilizing of medical treatment, water treatment and air purification. model no. :.Read more

    UVC LED Disinfection Solutions for Central Air ...


    MassPhoton
    https://www.massphoton.com › News › Blogs
    MassPhoton
    https://www.massphoton.com › News › Blogs
    Sep 25, 2025 — When introducing outdoor air, UVC LEDs address incoming contaminants: Post-filter inlet: after coarse filtration, incoming outdoor air passes ...Read more

    UVC Disinfection LED Module For Air Surface Sterilization


    Suntech LED
    https://www.suntechleds.com › uv-led-strip-light › uvc-d...
    Suntech LED
    https://www.suntechleds.com › uv-led-strip-light › uvc-d...
    UVC LED module features for air & surface purification. Input DC24v, voltage can be customized. Beam angle 60 degree, disinfection effect is much better ...Read more
    Discussions and forums
    Does deep UV also work (e.g. 275 nm)?
    Reddit · 
    r/lightingdesign
     · 10+ comments
     · 2 years ago
    Does deep UV also work (e.g. 275 nm)?
    Reddit · 
    r/lightingdesign
     · 10+ comments
     · 2 years ago
    My current choice of LED emits at 365 nm peak. However, I thought ... I have a UVC bulb, its used in a sealed box for curing Poly finishes.  More
    I accidentally looked into a 275 nm UV - C light. How strong is this?
    Reddit · 
    r/labrats
     · 10+ comments
     · 5 years ago
    I accidentally looked into a 275 nm UV - C light. How strong is this?
    Reddit · 
    r/labrats
     · 10+ comments
     · 5 years ago
    275nm is also in the range where both DNA absorbs it and it can damage the DNA. Just avoid it. A few seconds are likely fine, but you can literally get ...  More
    See more

    Web results

    EVERLIGHT's UVC LED (275nm) Series – COVID-19 Buster


    億光電子
    https://en.everlight.com › everlights-uvc-led-275nm-ser...
    億光電子
    https://en.everlight.com › everlights-uvc-led-275nm-ser...
    Dec 21, 2021 — The multiple filtering systems with HEPA mesh can thoroughly filter out pollutants in air, as well as directly and effectively eradicate aerosol ...Read more
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