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4040 SMD LED UVC 265NM for Sterilization
●Ceramic SMT package with quartz glass
●Dimension (L x W x H) in mm: 3.5 x 3.5 x 1.37
●Forward current: 50-100mA
●Radiant power (typ.) - 3.5mW at 50mA
●Viewing Angle (2θ1/2): Typical 125°
●Built in ESD Protection device
●275-280NM
Product Application
●Sterilization
●Disinfection
●Chemical and Biological analysis
●Phototherapy
●Fluorescent Spectroscopy
●Counterfeit Detectors
●Irradiance
Product Dimension
Product Specification
Absolute Maximum Ratings(At TA =25℃)
Parameter | Symbol | Rating | Unit |
DC Forward Current | IF | 150 | m A |
Peak pulse Current* | IFP | 300 | m A |
Power Dissipation | PD | 1 | W |
Operating Temperature Range | TOPR | -30 ~ +75 | °C |
Storage Temperature Range | TSTG | -40 ~ +85 | °C |
Electrical/Optical Characteristics--White (At TA=25°C)
Parameter | Symbol | Conditions | Min | Avg. | Max | Units |
Forward Voltage | VF | IF=150mA | 5 | -- | 8 | V |
Thermal Resistance Junction To Board | RΘJ-B | IF=150mA | -- | 8 | -- | °C/W |
Radiant Flux | Φe | IF=150mA | 8 | 10 | mW | |
Peak wavelength | λp | IF=150mA | 265 | 285 | nm | |
Temperature Coefficient of Forward Voltage | ∆VF/∆T | IF=150mA | −− | -2 | −− | mV/°C |
Reverse Current | IR | VR=5V | −− | −− | 10 | μ A |
Viewing Angle [1] | 2Θ1/2 | IF=60mA | −− | 60 | −− | Deg |
Typical Optical/Electrical Characteristics Curves
SMT REFLOW SOLDERING INSTRUCTION
Shipping Method
●Order Qty<10000pcs, 3-5 workdays.Delivery time:
●Order Qty>10000pcs, 7-12 workdays.
●Order Qty>50000pcs,12-20 workdays.
Production Flow
Questions about UVC LED and COVID-19
Can UVC help prevent COVID-19 transmission by reducing contamination?
Based on existing evidence, we believe so. Here's why:
UVC light has been used extensively for more than 40 years in disinfecting drinking water, waste water, air, pharmaceutical products, and surfaces against a whole suite of human pathogens (Fluence UV Dose Required review IUVA). All bacteria and virus tested to date (many hundreds over the years, including other virus ) respond to UV disinfection. Some organisms are more susceptible to UVC disinfection than others, but all tested so far do respond at the appropriate doses.
What is the "sterilizing range" of UV?
According to the International Ultraviolet Association, "the ultraviolet spectrum (the 'sterilization' region) that is important for water and air disinfection is the range absorbed by DNA (RNA in some virus ). This sterilization range is about 200-300nm."
It is known that the bactericidal range extends above 280 nm, and it is now generally considered to extend to 300 nm, however this may also change with more research. Scientists have shown that ultraviolet light with a wavelength between 280nm and 300nm can be used for disinfection and sterilization.
What is the optimal wavelength for disinfection?
There is a misunderstanding that 254nm is the optimal wavelength for disinfection because the peak wavelength of a low-pressure mercury lamp (determined solely by the physics of the lamp) is 253.7nm. The wavelength of 265 nm is generally considered to be optimal because this wavelength is the peak of the DNA absorption curve. However, a range of wavelengths have disinfection and sterilization effects.
Ultraviolet mercury lamps were once considered the best choice for disinfection and sterilization. Why is this?
Historically, mercury lamps have been the only option for disinfection and sterilization. With the advancement of UV LED technology, there are new options because LEDs are smaller, more powerful, non-toxic, longer life, more energy efficient, and allow more switching times. This makes the solution smaller, battery-powered, more portable, and capable of instant full-light output.
What is the difference in wavelength characteristics between UVC LEDs and mercury lamps?
Low-pressure mercury lamps emit nearly monochromatic light with a wavelength of 253.7 nm. Low-pressure mercury lamps (fluorescent tubes) and high-pressure mercury lamps are also used for disinfection and sterilization. These lamps have a broader spectral distribution, including wavelengths used for sterilization. UVC LEDs can be focused on a narrow range of specific wavelengths, which allows the solution to be tailored to specific application needs.
Does the peak absorption wavelength of DNA vary by bacteria?
Yes. Different types of peak absorption wavelengths are indeed different, but most of them are around 265nm.
Can a single wavelength eliminate all bacteria?
Yes, a single wavelength can be used. However, bacteria have different optimal absorption wavelengths.
How is the bactericidal effect determined?
Generally, power intensity, wavelength, and duration of irradiation are used to determine the bactericidal effect. For example, in water, there may be multiple bacteria with different optimal absorption wavelengths. For any given wavelength of germicidal UV, the power and time of irradiation need to be calculated to achieve the desired level of disinfection.
Are UVC disinfection devices safe?
Like any disinfection system, UVC devices must be used properly to be safe.) They all produce varying amounts of UVC light in wavelengths of 200nm-280nm. This UVC light is much "stronger" than normal sunlight, and can cause a severe sunburn-like reaction to your skin, and similarly, could damage the retina of your eye, if exposed. Some devices also produce ozone as part of their cycle, others produce light and heat like an arc welder, others move during their cycles. Hence, general machine-human safety needs to be considered with all disinfection devices, and these considerations should be addressed in the operations manual, in the user training, and appropriate safety compliance.
Are there performance standards and UVC validation protocols for UV disinfection devices?
Given the wide array of UVC devices marketed for disinfection of air, water and solid surfaces, the lack of uniform performance standards and the highly variable degree of research, development and validation testing that is performed on different devices, the IUVA urges consumers to exercise caution when selecting equipment and look for evidence of third party testing as well as certification of device materials and electrical components by well-known organizations such as UL, CSA, DVGW-OVGW or other international requirements as applicable.
For UVC devices designed to inactivate air and solid surfaces in the healthcare industry, members of IUVA are working diligently with other national standards organizations in the lighting and healthcare industry to develop disinfection testing standards[x]. The goal is to develop guidance that will help healthcare providers world-wide choose the best possible technologies for their institutions to use in the fight against multiple drug resistant organisms and other pathogens
Our Other Product hot sale
Company Environment
Shenzhen Guangmai Electronics Co.,Ltd is a High-Tech firm founded in 2005 with registered capital 30 million RMB. We specialize in the development of LED products, owning a experienced and skilled engineer team team to meet customers' demand.We are the first choice for lighting project in LED.
With many years of led technology and rigorous management,we received the praise and trust from clients.Our philosophy is " focus on technology,provide the best LED" ,making good quality products and bringing more value to our clients.We are your honesty partner in the world and make a contribution to the green light industry.GMKJ is fighting to achieve the goal of "To be the best LED lighting supplier" .
Q&A
Q: What’s your product range?
A:Our main products include:
·UVC LED, UVA LED, UVB LED
·Normal SMD LED White,RGB,UV,IR.
·Integrated COB LED 3
·1-3W High power LED
Q: Would you offer free samples About this UVC LED?
A:Currently due to high cost of UVC,we have no free sample.
For other LEDs, we offer small qty of free sample for testing purpose.
Q:Are you manufacturer or trade company?
A:We are an experienced and professional LED manufacturer since 2009.
Our production base is in Shenzhen city with over 4000 square meters .
Q:What payment method do you accept?
A:We accept T/T, Paypal, Western Union and others more as clients’ requirement.
Q: What about the lead time?
A:It depends on the order quantity. In general, lead time is about 5-7 working days. For samples, the delivery could be as fast as same day.
Q: How can I get a quotation from you?
A:Please kindly leave us messages about your needs,including products and quantity,our professional team will reply you very soon
(mostly within few hours).
Q: What technical support can I get after purchase?
A:Data sheet and operation manual will be provided to dear you. Our sales engineer will be answering your questions any time.
Q: If there is LED failure, how can you support?
A:Customers provide pictures of the failed products or the samples rejected, the engineer will analyze the failure and find out
the reasons. If the failure was caused by the product quality, we will compensate with qualified replacement!
Q: What’s the highest efficiency of your white smd led.
A: For SMD5050 LED, highest efficiency is 220lm/w.
For SMD3030 LED, the highest efficiency is 200lm/w .
For SMD2835 LED, the highest efficiency is 195lm/w
Q: What is the hottest sale LED of your company in this year?
A: In 2020, because of the epidemic,we have UVC LED 1-8watt which is very hot sale for disinfection use. Meanwhile, in second half year. We also have SMD3030 LED white, full spectrum, 660nm,730nm, 850nm LED are also very hot sale for plant grow lights.
We have great advantages and influence in talents, resources, network, scale and experience in production of 0.25W 1W 2-4MW 5-10MW 260nm 265nm 275nm 280nm 310nm 4040 3535 SMD UVC LED, Germicidal UV LED, and become one of the enterprises with high competitiveness. Innovation is the inexhaustible power for us to prosper and create economic and social benefits continuously. Full of youthful spirit and a person with breadth of vision, we are confident that we can create more value for our customers and society, and realize the value of every company.
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