405nm uv led seoul viosys ultraviolet uv led modules
Product Details Description
The Seoul Viosys CUN06B1B is a high-power 405nm UV LED for manufacturers who require a compact SMD light source with directed radiation, high radiant power, and flexible PCB mounting. At 405nm wavelength, 1160mW radiant power, 3.5V voltage, 500mA current, and 45° view angle, it is suitable for UV curing devices, printers, coating machines, inspection lamps, UV torch products, and custom UV LED modules.
This 405nm UV LED belongs to the Seoul Viosys nZ5 near-UV LED family. It is developed for applications that require high current operation and high power output. The CUN06B1B is equipped with innovative SMD design and low thermal resistance material. The compact 3.5 x 3.5 x 2.8mm package offers a convenient platform for PCB-mount UV light engines and industrial tools.
The 405nm wavelength is used for UV curing, printing, coating, adhesive curing, counterfeit detection, security inspection, UV torch products, fluorescence photography, dental curing, crime inspection, and oil leak detection. Compared with 365nm or 385nm light sources, a 405nm UV LED typically produces more visible violet radiation that may help the operator to detect the working area, alignment position, and the reaction of the material.
For curing applications, the CUN06B1B can be integrated into adhesive curing devices, printing systems, coating machines, resin curing devices, and dental curing modules, if the target material is cured by 405nm radiation. The efficiency of curing depends on the material chemistry, exposure distance, driver current, optical design, PCB temperature, and required energy dose.
The 45° narrow viewing angle makes this product a good choice for focused UV delivery. It differs from 120° wide-beam LEDs that deliver output in a wide area. This focused beam can be useful for spot curing, adhesive bonding lines, handheld inspection lamps, compact exposure heads, UV torch modules, and detection devices.
For OEM and ODM projects, the CUN06B1B can be welded on 12mm, 14mm, 16mm, 20mm, or other aluminum or copper PCB boards. Aluminum PCB is appropriate for the majority of standard UV module designs, while copper PCB can be selected, if strong thermal transfer is required. The LED can be delivered as a component or assembled into UV flashlight modules, curing modules, inspection lamps, and other custom UV LED products.
It is important to have an efficient thermal design for a 500mA high-output LED. For stable radiant output and long-term performance, it is necessary to use proper constant-current driver, soldering process, PCB material, and heat dissipation. Engineers should test the temperature of the board, radiant output, beam shape, and application performance of the final product.
This product is a component-level 405nm UV LED, not a ready-to-use lamp. A ready-to-use device should consist of driver circuit, PCB board, heat sink, housing, optical lens or reflector, wires, switch, and safety structure. The CUN06B1B is a 405nm near-UV / violet-edge light source, not a UVC sterilization LED, and should not be marketed for disinfection or germicidal applications.
Do not look directly at the operating LED, and do not expose your eyes or skin to the radiation of this LED during testing, assembly, and operation. Use protective eyewear, shielding, warning labels, and safe working procedure in the final product design.
Specifications
Brand: Seoul Viosys
Model NO.: CUN06B1B
Wavelength: 405nm
Size: 3.5 x 3.5 x 2.8mm
Voltage: 3.5V
Current: 500mA
Radiant Power: 1160mW
View Angle: 45°
PCB Options: Can be welded on 12mm, 14mm, 16mm, 20mm, or other aluminum or copper PCB board
Service: OEM ODM service for UV flashlight or other UV LED module
Features and Benefits
High power output
Designed for high current operation
Narrow viewing angle
Low thermal resistance
SMT type
Lead free product
RoHS compliant
nZ5 SMD package
Suitable for focused 405nm UV module design
Key Applications
UV Curing
Printing
Coating
Adhesive
Counterfeit Detection / Security
UV Torch
Fluorescence Photography
Dental Curing
Crime Inspection
Oil Leak Detection
FAQ
What is this 405nm UV LED used for?
This 405nm UV LED is used for UV curing, printing, coating, adhesive curing, counterfeit detection, security inspection, UV torch design, fluorescence photography, dental curing, crime inspection, and oil leak detection when the target material or application reacts to 405nm output.
Is CUN06B1B a Seoul Viosys UV LED?
Yes. CUN06B1B is a Seoul Viosys nZ5 UV LED in a 3.5 x 3.5 x 2.8mm SMD package.
What wavelength does this LED use?
The CUN06B1B uses a 405nm wavelength. It is commonly searched as a 405nm UV LED and can also be described as a near-UV / violet-edge light source.
What is the radiant power?
The radiant power is 1160mW.
What is the forward voltage?
The forward voltage is 3.5V.
What is the operating current?
The operating current is 500mA.
What is the package size?
The package size is 3.5 x 3.5 x 2.8mm.
What is the view angle?
The view angle is 45°, giving this 405nm UV LED a narrow beam for focused curing, printing, inspection, UV torch, and detecting applications.
Can this LED be mounted on PCB boards?
Yes. It can be welded on 12mm, 14mm, 16mm, 20mm, or other aluminum or copper PCB boards according to the final product structure.
Do you provide OEM or ODM UV LED modules?
Yes. OEM and ODM service is available for UV flashlight modules, UV curing modules, inspection lights, dental curing modules, and customized UV LED assemblies.
Is this LED suitable for UV curing?
Yes. It can be used for curing, adhesive curing, printing, coating, dental curing, and related applications when the material reacts to 405nm output.
Can it be used for UV flashlights?
Yes. Its 405nm wavelength, 1160mW radiant power, and 45° beam angle make it suitable for focused UV flashlight and UV torch module designs.
Is this 405nm UV LED suitable for sterilization?
No. This is a 405nm near-UV / violet-edge LED, not a UVC sterilization LED. It should not be used or promoted for disinfection or germicidal applications.
Why is thermal design important?
The CUN06B1B operates at 500mA and produces high radiant output, so proper PCB material, heat sinking, current control, and thermal testing are important for stable module performance.
Is it safe to look directly at the LED?
No. Do not look directly at the operating LED. Use protective eyewear, shielding, and safe working procedures during testing, assembly, and operation.
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