Rayvio | XR Series High Power UV LEDs (280 nm)
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XR Series UV Emitter or Star Board LED (280 nm)

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High power and high efficiency UV C device for disinfection and sterilization

RayVio XR 280nm Series UV LEDs deliver high power and high efficiency UV C light for water, air and surface disinfection solutions with peak spectral wavelength output of 280 nm.

These devices are designed to meet the most demanding and mission critical applications in the healthcare and well being segments.

Features and Benefits

High power and high efficiency UV C devices. Most suitable for portable disinfection solutions

Proven germicidal efficacy at 280nm

Industry leading reliability and lifetime

Star board package simplifies thermal engineering and allows for rapid prototyping and development

Product Options

Table 1. Radiant Flux Performance Characteristics at Ta=25˚C

Part Number Radiant Output @ 100mA, 25˚C
Min. (mW) Typ. (mW) Max. (mW)
RVXR-280-SM-073105 6 8 9
RVXR-280-SB-073105 6 8 9
RVXR-280-SM-073605 9 10 12
RVXR-280-SB-073605 9 10 12

Table 2. Radiant Flux vs. Forward Current at Ta=25˚C

Part Number Emission Peak Wavelength
Forward Current (mA) Min. (nm) Typ. (nm) Max. (nm)
RVXR-280-S(x)-073105 50 3 4 4.5
RVXR-280-S(x)-073105 70 4 5.5 6.5
RVXR-280-S(x)-073105 100 6 8 9
RVXR-280-S(x)-073605 50 4.5 5 6
RVXR-280-S(x)-073605 70 6 7 8.5
RVXR-280-S(x)-073605 100 9 10 12

Table 3. Electrical and Optical Characteristics at Ta=25˚C

Characteristics Unit Min Typical Max
Peak Wavelength (@100mA) nm 275 280 285
Forward Voltage (@100mA) V 5 6.5 7.5
Spectrum Half Width (FWHM) nm 12
View Angle degrees 120
Thermal Resistance
(Junction to solder point)
°C/W 15
  • RayVio maintains a tolerance of ±10% on radiant flux and ±3nm on peak wavelength
  • Although all LEDs are tested, some values may vary slightly depending on the conditions of the test equipment


Table 4.

Forward Current % of Nominal
Output Power
P70 Reliability P50 Reliability
50mA 50% 5,000 hours 10,000 hours
70mA 70% 2,500 hours 5,000 hours
100mA (nominal) 100% (nominal) 1,250 hours 2,500 hours

Absolute Maximum Ratings

Table 5.

Parameter Maximum Performance
Power Dissipation 0.75 W
Forward Current 100mA
Junction Temperature, Tj 60°C
Storage Temperature -30°C to 150°C
ESD Sensitivity +/-8kV Human Body Model