led uv diode Seoul Viosys UVA 365nm CUN6UC1A
Product Details Description
The Seoul Viosys CUN6UC1A is a 365nm led uv diode designed for applications that need focused UVA output, compact SMD assembly, and reliable high-current performance. With 900mW radiant power, 3.7V voltage, 700mA current, and a 35° view angle, it is suitable for manufacturers developing UV curing tools, UV printing equipment, inspection lamps, UV torches, and custom UV LED modules.
This led uv diode belongs to the CU3737 near-UV LED family. It is designed for high current operation, narrow radiation angle, and high power output applications. The SMD package supports modern assembly processes, while the low thermal resistant material helps improve heat transfer when the LED is used with a proper PCB and heat dissipation structure.
The 365nm wavelength is widely used for UV-A curing, fluorescence excitation, security checking, and material response applications. Compared with longer 395nm UV sources, 365nm often provides a stronger fluorescence response with less visible purple light, making the CUN6UC1A useful for counterfeit detection, crime inspection, oil leak detection, fluorescence photography, and UV torch products.
For curing and production use, this led uv diode can be integrated into UV curing modules, printing systems, coating equipment, adhesive curing tools, and dental curing devices when the target material responds to 365nm. The 35° narrow beam helps concentrate UV output on smaller working areas, which can be useful for spot curing, line inspection, and focused UV exposure.
For detection applications, the CUN6UC1A can support counterfeit detection, security inspection, fluorescence photography, crime inspection, and oil leak detection. Final performance depends on the optical design, working distance, driver current, reflector or lens choice, target material, and thermal structure.
For OEM and ODM projects, this led uv diode can be welded on 12mm, 14mm, 16mm, 20mm, or other aluminum or copper PCB boards. Aluminum PCB can be used for many standard UV module designs, while copper PCB can be selected when stronger thermal transfer is required. The diode can be supplied as a component or assembled into UV flashlight heads, curing modules, inspection lamps, and other customized UV LED products.
Thermal design is important for stable radiant output. Use a suitable constant-current driver, proper soldering process, appropriate PCB material, and enough heat dissipation. Engineers should evaluate board temperature, UV output, beam pattern, and application performance inside the final device before mass production.
This product is a UV LED component, not a complete lamp. A finished product should include a driver circuit, PCB board, heat sink, housing, optical lens or reflector, wiring, switch, and safety structure. The CUN6UC1A is a 365nm UVA source, not a UVC sterilization diode, and should not be promoted for disinfection or germicidal use.
Do not look directly at the operating UV LED, and avoid unnecessary skin or eye exposure. Use protective eyewear, shielding, warning labels, and safe working procedures during testing, assembly, and operation.
Specifications
Brand: Seoul Viosys
Model NO.: CUN6UC1A
Wavelength: 365nm
Size: 3.7 x 3.7 x 2.8mm
Voltage: 3.7V
Current: 700mA
Radiant Power: 900mW
View Angle: 35°
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
Low thermal resistance
SMT type
Designed for high current operation
High power output
Narrow radiation angle
Suitable for compact UV-A 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 led uv diode used for?
This led uv diode 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.
Is CUN6UC1A a Seoul Viosys UV LED?
Yes. CUN6UC1A is a Seoul Viosys 365nm UV-A LED in a CU3737 SMD package.
What wavelength does this diode use?
The CUN6UC1A uses a 365nm wavelength, which belongs to the UVA / near-UV range.
What is the radiant power?
The radiant power is 900mW at 700mA.
What is the forward voltage?
The forward voltage is 3.7V.
What is the view angle?
The view angle is 35°, which provides a narrow and concentrated UV beam for focused curing, inspection, and UV torch applications.
Can this led uv diode 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, and customized UV LED assemblies.
Is this diode suitable for UV curing?
Yes. It can be used for UV curing, adhesive curing, printing, coating, dental curing, and related UV-A applications when the material responds to 365nm.
Can it be used for UV flashlights?
Yes. Its 365nm wavelength, 900mW radiant power, and 35° narrow beam make it suitable for focused UV flashlight and UV torch module designs.
Is this diode suitable for sterilization?
No. This is a 365nm UVA diode, not a UVC sterilization diode. It should not be used or promoted for disinfection or germicidal applications.
Is it safe to look directly at the LED?
No. Do not look directly at the operating UV LED. Use protective eyewear, shielding, and safe working procedures during testing, assembly, and operation.
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