16.06.2011 SMT405R 1 of 4 SMT405R technical data visible led, smt ingan SMT405R is a ingan led mounted on the lead frame as top led package, sealed with uv resistant resin for damp proof. on forward bias, it emits a radiation of typical 12.5 mw at a peak wavelength of 405 nm. specifications ? structure: ingan ? peak wavelength: typ. 405 nm ? optical output power: typ. 12.5 mw ? package: ppa resin, uv resistant resin absolute maximum ratings (t a =25c) item symbol value unit power dissipation p d 240 mw forward current i f 50 ma pulse forward current** i fp 100 ma reverse voltage v r 5 v operating temperature t opr -20 ? +80 c storage temperature t stg -30 ? +80 c soldering temperature * t sol 255 c * must be completed within 5 seconds ** max duty cycle 1%, max puls width 10s (unit: mm) electro-optical characteristics item symbol condition min. typ. max. unit forward voltage i f = 20 ma - 3.5 4.0 pulse forward voltage v f i fp = 100 ma - 4.9 - v i f = 20 ma 6.0 12.5 - total radiated power p o i fp = 100 ma - 50 - mw radiation intensity i e i f = 20 ma - 2.6 - mw/sr brightness i v i f = 20 ma - 10 - mcd peak wavelength p i f = 20 ma 395 405 415 nm half width ? i f = 20 ma - 15 - nm viewing half angle 1/2 i f = 20 ma - 55 - deg. total radiated power is measured by s3584-08 radiated intensity is m easured by ando optical multi meter aq2140 & aq2741 brigthness is measured by tektronix j-16 notes ? do not view directly into the emi tting area of the led during operation! ? the above specifications are for reference purpose only and subjected to change without prior notice.
16.06.2011 SMT405R 2 of 4 typical performance curves forward current ? forward voltage relative radiant intensity ? pulsed forward current forward current ? pulse duration forward voltage ? ambient temperature
16.06.2011 SMT405R 3 of 4 relative radiant intensity ? ambient temperature allowable forward current ? ambient temperature peak wavelength peak wavelength ? ambient temperature
16.06.2011 SMT405R 4 of 4 soldering conditions ? do not apply any stress to the lead particularly when heat. ? after soldering the leds should be protected from mechanical shock or vibration until the leds return to room temperature. ? when it is necessary to clamp the leds to prevent soldering failure, it is important to minimize the mechanical stress on the leds. temperature profile pcb footprint layout (unit: mm) static electricity ? leds are very sensitive to stat ic electricity and surge voltage. it is recommended to always wear a wrist band or an anti-electrostatic glove when handling the leds. ? all devices, equipment and machinery must be grounded properly. it is recommended that precautions should be taken against surge volt age to the equipment that mounts the leds.
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