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The total system design—thermal management, power design, and module design—directly contributes and effects the UV-C LED product lifetime.
Using TM-21 modeling, we have extrapolated an L70 lifetime of over 10,000 hours at standard operating conditions. In our testing, the CrayoLED™ running continuously for over 6,000 hours at 350 mA and more than 3,000 hours at 500 mA, with a solder temperature of 38 °C. We will continue this testing until 6,000 hours or until it reaches 70 % of the original output power (L70).
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The CrayoLED™ has a nominal driving current of 350 mA and a maximum driving current of 500 mA. Running LEDs at their maximum values will have an effect on the overall performance and lifetime. Product performance and reliability depends on the overall system design—including (but not limited to) thermal management, optical design, and assembly processes and materials.
In our testing, the CrayoLED™ has been running continuously for over 6,000 hours at 350 mA and more than 3,000 hours at 500 mA, with a solder temperature of just 37.8 °C. This performance highlights the robustness and reliability of the CrayoLED™.
Our commitment to continuous improvement on performance and quality, and our efforts result in improved performance. Therefore to minimize the document versions, we have removed the typical power value on the datasheet. Please refer to our characterization tables and bin tables for product information. If you have further questions, please reach out to our support team at firstname.lastname@example.org
UV-C LED lights can contribute to sustainability in several ways. First, they use significantly less energy than traditional UV lamps, which can help reduce overall energy consumption. Additionally, UV-C LED lights have a much longer lifespan than traditional UV lamps, which means they need to be replaced less frequently and can reduce waste. They can also be used in air and water purification systems to help reduce the use of chemicals and other pollutants. Furthermore, UV-C LED lights do not contain mercury, which is a toxic substance found in traditional UV lamps that can be harmful to the environment if not disposed of properly.
Mercury lamps have been commonly used for disinfection purposes, with a peak wavelength of 254 nm. However, with the availability of UV-C LEDs in the range of 250-280 nm, offer more available sources.
Microbes have different sensitivities to UV-C light, as shown by the virucidal efficiency action spectra curve. For example, E. coli is most sensitive to a peak wavelength of 265 nm, which is often referenced as the wavelength for optimal germicidal effectiveness.
When choosing a wavelength for disinfection purposes, it's important to consider the trade-off between virucidal efficiency and output power. Shorter wavelength LEDs typically have lower output power, while longer wavelength LEDs, such as 275 nm, have higher output power. Although 275 nm may have lower virucidal efficiency, the higher output power and better wall plug efficiency can compensate for this. This is known as virucidal power, which is the normalization of wavelength dependency for virucidal efficiency and optical output power.
We do offer customization of our UV-C chips.
Read more about our products or take a look at how we work with UV-C in our company