www.roithner - laser.com 1 vl 38 0 - emitter v 1 .0 27 . 0 5 .201 4 description vl 38 0 - emitter is a ingan based, high power uv single chip led with a typical peak wavelength of 380 nm and radiation of 200 - 3 0 0 mw . it comes in standard emitter package, containing si zener diode for esd protection, with au soldering pin s, au plating c opper heat sink, and molded with silicone resin. maximum ratings (t case =25c) parameter symbol values min. max. unit power dissipation p d 13 00 mw forward current i f 35 0 ma pulse forward current * 1 i f p 5 00 ma reverse voltage v f 5 v junction temperature t j 1 25 c operating temperature t case - 4 0 + 105 c storage temperature t stg - 40 + 1 2 0 c lead solder temperature * 2 t sld + 2 6 0 c * 1 duty=1%, pulse width = 10 s * 2 must be completed within 5 seconds electro - optical characteristics (t case =25c) * 1 measurement allowance: 1 nm * 2 measurement allowance: 10% * 3 measurement allowance: 0.1 v device materials * m ay be connected to anode or cathode parameter symbol conditions values min. typ. max. unit peak wavelength * 1 p i f = 35 0ma 375 385 nm forward voltage * 2 v f i f =350ma 3.0 4.0 v radiated power * 3 p o i f =350ma 2 00 3 00 mw viewing angle i f =100ma 1 4 0 deg. item material foundation plastic lens silicone resin electrodes au lead frame * au platin g copper alloy
www.roithner - laser.com 2 typical performance curves outline dimensions all dimensions in mm ; tolerance: 0.2 mm relative spectral emission vl emitter lens note: the anode of the devise is denoted by a hole in the lead frame
www.roithner - laser.com 3 precautions soldering: ? do avoid overheating of the led ? do avoid electrostatic discharge (esd) ? do avoid mechanical stress, shock, and vibration ? do only use non - corrosive flux ? do not apply current to the led until it has cooled down to room temperature after soldering recommended soldering conditions: this led is designed to be reflow soldered on to a pcb. if dip soldered or hand soldered, its reliability cannot be guarantee. nitrogen reflow soldering is recommended. air flow soldering conditions can cause optical degradation, caused by heat and/or atmosphere. ir reflow soldering profile (lead - free solder) recommended soldering patterns unit: mm above table specifies the maximum allowed duration and temperature during soldering. it is strongly advised to perform soldering at the shortest time and lowest temperature possible. cleaning: cleaning with isopropyl alcohol, propanol, or ethyl alcohol is recommended do not use acetone, chloroseen, trichloroethylene, or mks do not use ultrasonic cleaners 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. radiation : during operation these leds do emit high intensity uv light , which is hazardous to skin and eyes, and may cause cancer. do avoid exposure to the emitted light. protective glasses are recommended . it is further advised to attach a warning label on products/systems. operation : do only operate leds with a current so urce. 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
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