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    Rayvio | XR Series High Power UV LEDs (308 nm)
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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


    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