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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
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