www.roithner - laser.com 1 duv 265 - chip ? deep ultraviolet light emission source ? 2 65 nm , 0.9 mw ? naked bare die ? flip c hip type ? beam angle 14 4 deg. maximum rating (t case = 25c) parameter symbol values unit min. max. forward current (t a =25c) i f 40 ma reverse current (v r =5v) i r 100 a reverse voltage (i r =10a) v r 5 v operating temperature t opr - 3 0 + 80 c storage temperature t stg - 40 + 100 c soldering temperature (max . 5s) t sol + 300 c electro - optical characteristics (t case = 25c, i f = 20 ma) parameter symbol values unit min. typ. max. peak wavelength p 260 265 270 nm radiated power p o 0.6 0.9 mw spectral width (fwhm) ? 10 nm forward voltage v f 10 10.5 v viewing angle 2? 1/2 144 deg. thermal resistance r ? j- ref 190 c/w rise time* t r / ns fall time* t f / ns * frequency=100khz, duty cycle=1%, i fp =200ma d escription duv 265- chip is an algan based deep - uv led emission source, that is available as bare chip die, and in two different submount configurations. duv265 - chip is of flip chip type without any bonding wires obscuring the emitting area. rev . 2 . 0 07 .05.15
www.roithner - laser.com 2 performance characteristics forward current vs. forward voltage forward current vs. relative radiant flux [%] relative intensity vs. peak wavelength radiation pattern radiant flux vs. ambient temp. voltage shift vs. ambient temperature
www.roithner - laser.com 3 performance characteristics wavelength shift vs. ambient temperature junction temp. vs. forward current outline dimensions duv265 - chip a ll dimensions in mm
www.roithner - laser.com 4 outline dimensions duv265 -cs 1 all dimensions in mm duv265 -cs 2 a ll dimensions in mm
www.roithner - laser.com 5 device materials pin # material - - anode au plated cathode au plated submount si precautions static electricity: leds are sensitive to electrostatic discharge (esd) . precautions against esd must be taken when handling or operating these leds. surge voltage or electrostatic discharge can result in complete failure of the device. uv - radiation: during operation these leds do emit high intensity ultraviolet light , which is hazardous to skin and eyes , and may cause cancer. do avoid exposure to the emitted uv light. protective glasses are recommended . it is further advised to attach a warning label on products/systems that do utilize uv - leds: operation: do only operate leds with a current source. running these leds from a voltage source will result in complete failure of the device. current of a led is an exponential function of the voltage across it. usage of current regulated drive circuits is mandatory ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice class 1
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