www.roithner - laser.com 1 UVTOP240 description UVTOP240 is a series of algan based deep uv - leds with a typical peak wavelength of 245 nm and optical output power of 3 0 - 70 w . it comes in hermetically sealed to39 or to18 metal can package with ball lens, hemispherical lens, or flat glass window configuration. UVTOP240 is widely used for optical sensing and imaging of dyes, inks and markers maximum ratings (t case = 25c ) parameter symbol values unit min. max. power dissipation, dc p d 150 mw forward current, dc i f 25 ma pulsed current (1% duty cycle, 1khz) i fp 200 ma reverse voltage u r - 6 v operating temperature t opr - 30 +55 c storage temperature t stg - 30 + 100 c soldering temperature (max. 5s) t sol +190 c general ch aracteristics (t case = 25c, i f = 20ma ) parameter symbol values unit min. typ. max. peak wavelength p 240 245 250 nm half width (fwhm) ? 12 15 nm forward voltage u f 10 13 v *wavelength measurement tolerance: 2 nm , forward voltage measurement tolerance: 2 % electro - optical characteristics (t case = 25c, i f = 20ma ) part number package window optical power p out (w) view. angle 2? 1/2 () min. typ. typ. UVTOP240 - fw - to39 to -39 flat window 30 70 120 UVTOP240 - tfw - to39 flat window 10 30 120 UVTOP240 - tfwr - to39 flat window 20 40 120 UVTOP240 - hl - to39 hemisph. lens 20 40 7 UVTOP240 - bl - to39 ball lens 30 70 7 UVTOP240 - fw - to18 to -18 flat window 20 40 120 UVTOP240 - bl - to18 ball lens 20 40 10 * output power measurement tolerance: 10 % open can version ( to18 or to39, no cap, no window) available on request v 2 .0 24 .06 .2013
www.roithner - laser.com 2 performance characteristic s no rmalized output power vs. wavelength peak wavelength vs. forward c urrent forward voltage vs. forward current output power vs. forward current normalized output power vs. temperature normalized forward voltage vs. temperature
www.roithner - laser.com 3 outline dimensions to - 39 flat window all dimensions in mm to - 39 hemispherical lens all dimensions in mm to - 39 ball lens all dimensions in mm
www.roithner - laser.com 4 outline dimensions to - 39 tall flat window & tall flat window w. reflector all dimensions in mm to - 18 flat window all dimensions in mm to - 18 ball lens all dimensions in mm
www.roithner - laser.com 5 device materials part material header fe - ni a lloy, plated ni - au leads fe - ni alloy, plated ni - au lens sio 2 bonding wires au emission ch aracteristics flat window hemispherical lens ball lens
www.roithner - laser.com 6 precautions soldering: ? do avoid o ver heating of the led ? do avoid e lectrostatic discharge (esd) ? do avoid m echanical stress , shock, and vibration ? do only use non - corrosive flux. ? do only solder the leads. soldering of header or cap will damage the led ? do only cut the leads at room temperature with an esd protected tool ? do not solder closer than 3 mm from base of the header ? do form leads prior to soldering ? do not impose mechanical stress on the header when forming the leads ? do not apply current to the led until it has cooled down to room tempera ture after soldering recommended soldering conditions: dip s oldering hand s oldering pre - heat t ime max 30 s soldering t ime max 5 s dipping t ime m ax 5 s solder bath t emperature max 190 c solder t emperature max 190 c 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: uvtop are sensitive to electrostatic discharge (esd) . precautions against esd must be taken when handling or operating these leds. surge voltage or electrostatic disch arge 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 uvtop 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 vol t a ge 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
|
