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              Rayvio | XR Series High Power UV LEDs (308 nm)
              19121
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              XR Series UV Emitter or Star Board LED (308 nm)

              High UV B power for phototherapy

              RayVio XR 308nm Series UV LEDs deliver high-power and high-efficiency UV B light for phototherapy with peak spectral wavelength output of 308nm.

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

              Features and Benefits

              Highly efficient UV B devices. Most suitable for portable skin care applications

              Proven effective for skin treatment at 308nm

              Industry leading reliability and lifetime

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

              Common Applications

              ? ? Skin treatment
              ? ? Psoriasis
              ? ? Eczema
              ? ? Vitiligo
              ? ? Lichen planus
              ? ? DNA analysis

              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-308-SM-08500300 10 13 15
              RVXR-308-SB-08500300 10 13 15

              Table 2. Electrical and Optical Characteristics at Ta=25?C

              Characteristics Unit Min Typical Max
              Peak Wavelength (@100mA) nm 305 308 315
              Forward Voltage (@100mA) V 5 6 7.5
              Spectrum Half Width (FWHM) nm - 17 -
              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

              Reliability

              Table 3.

              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 4.

              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
              欧美肥老太牲交大片

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