1W Ultraviolet UV LED (390-400nm EPILED) with PCB star for reef lights – Future Eden Ltd
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1W Ultraviolet UV LED (390-400nm EPILED)

1W Ultraviolet UV LED (390-400nm EPILED) -

1W Ultraviolet UV High Power LED attached to a 19.8mm x 1.6mm star PCB. This high specification industrial LED uses a 45 Mil EPILED brand name chip, producing a powerful Ultraviolet light passed through a 120° non-degrading silica lens. Please kindly note that this product produces largely invisible ultraviolet light. Please note, if you require a visible violet LED please consider our Violet 410-420nm product. 

As with all high power LEDs this component must be mounted onto an aluminium or copper heat sink with a thermal glue/compound between the rear of the PCB used and the heat sink surface. This is crucial to attain optimal performance, efficiency and lifespan in any LED application.  Active fan cooling is highly recommended particularly at higher drive currents.  

For convenience the general electrical and optical characteristics are listed below. For full manufacturers specification please consult the datasheet below.


Ultraviolet 1W LED with PCB 400nm


If you require further information, please feel free to contact us as any time and our UK staff will be happy to help. 


Spectral Power Distribution  

3W UV 390nm to 400nm High Power LED spectral power grap

Electrical and Optical Characteristics at IF=400mA and Ta=25°C

Parameter  Symbol Min Typical  Max Units
Radiation Flux φc 50 ~ 70 mw
Wavelength λD 390 ~ 400 nm
Forward Voltage VF 3.0 ~ 3.2 v
Power Dissipation PD 0.9205 ~ 1.28 W
View Angle 2θ1/2 ~ 120 (silica material) ~ deg
Thermal Resistance Rθ J-B ~ 12 ~ °C/W
Lifespan ~ 50,000 ~ ~ Hours

Absolute Maximum Ratings

Parameter Symbol Value  Unit
Forward Current If 400 mA
Junction Temperature Tj 115  °C
Operating Temperature Topr -40~+60 °C
Storage Temperature Tstg 0~+60 °C
ESD Sensitivity  ~ +/- 2,000 V HBM ~
Temperature Coefficient of voltage ~ -5 mV/ °C
DC Pulse Current(@ 1 KHz,10% duty cycle) IFP 1000 mA
Reverse Voltage VR No reverse operation


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