3535 UVC SMD LED Chip 275nm 5-8 mw 50 mA 5-7v 3 for Ultraviolet disinfection
Product Features:
Well-known Korea Pw chipset
Eutectic solder ensure high stability
Suitable for low temperature solder paste and lead-free reflow soldering.
Compared to halogen uvc lamps, more energy saving and environment friendly.
Suitable for low voltage DC operation, safer
Instant start (less than 10 ms)
Product Specification
Package Dimension
Company Introduction
Application
How does UV Light Kill Viruses and Bacteria?
Ultraviolet light kills cells by damaging their DNA. Exposure to the electromagnetic radiation (light) at certain UV wavelengths modifies the genetic material of microorganisms and destroys their ability to reproduce. The UV energy triggers the formation of specific thymine or cystosine dimers in DNA and uracil dimers in RNA, which causes the inactivation of microbes by causing mutations and/or cell death as well as failure to reproduce.
According to this from the Centers for Disease Control (CDC), “UV can kill all bacteria, including drug-resistant bacteria because UV light is actually attacking the DNA and RNA of microbes. While the amount of UV needed to kill a microbe may vary as there is a relationship between the size of DNA molecules and the effect of UV radiation, there have been no reports of microbes demonstrating an ability to build an immunity to light-based methods.”
UVGI is a method of disinfection that uses short wavelength ultraviolet light (UV-C) to inactivate or kill microorganisms and pathogens. Essentially, UVGI is the use of UV light with sufficiently short wavelengths to disinfect surfaces, air, and water.
UVGI has been recommended or used for the isolation of disease and bio-defense systems for buildings by the United States Army, the CDC, and the Federal Emergency Management Agency (FEMA).
The effectiveness of germicidal UV light depends on the length of time a microorganism is exposed to UV, as well as the intensity and wavelength of the UV radiation.
It is important to understand the difference between sterilization, disinfection, and decontamination as these terms are often incorrectly used interchangeably, which can cause confusion in regards to the effectiveness of UVGI (as well as the avoidance of potential legal ramifications).
Sterilization
Per the CDC, sterilization describes a process that destroys or eliminates all forms of microbial life and is carried out by physical or chemical methods.
Disinfection
Per the CDC, disinfection describes a process that eliminates many or all pathogenic microorganisms on inanimate objects.
Decontamination
To decontaminate is to make an object or area safe by removing, neutralizing, or destroying any harmful substance.
Basically, decontamination is the result after the processes of sterilization or disinfection.
Per the CDC, disinfection and sterilization are essential for ensuring that medical and surgical instruments do not transmit infectious pathogens to patients. Because sterilization of all patient-care items is not necessary, health-care policies must identify, primarily on the basis of the items’ intended use, whether cleaning, disinfection, or sterilization is indicated.
Are UV Lighting and UVGI the same thing?In short, no. UVGI is a specific method of sterilization that uses UV lighting. In essence, UV lighting is a component of UVGI. UVGI is just one method of sterilization/decontamination using lighting, though, so we like to refer to is as UV disinfection lighting to encompass more than just the one UVGI method. When we say UV disinfection lighting, we mean any UV lighting that can be used in many applications to kill germs.
If you're thinking that this UV disinfection lighting technology sounds amazing and more hospitals should be using it, especially with the current coronavirus pandemic, you're right! We've known for a long time, more than 100 years, as noted above, that UV disinfection lighting kills germs. And it was popular in hospitals at one time- namely to kill tuberculosis. However, when antibiotics were first introduced, the concern for disinfecting everything lessened. Unfortunately, today there are antibiotic-resistant infections (not to mention viruses) and as a result the interest in physical decontamination has been renewed.
Datasheet:
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