14.11.2013 smc7 3 5 1 of 2 smc7 3 5 technical data visible led, smd algaas smc7 3 5 is a algaas led mounted on a ceramic smd package and sealed with silicone or epoxy resin for damp proof. on forward bias, it emits a radiation of typical 1 0 mw at a peak wavelength of 7 3 5 nm. specification s (unit: mm) ? structure: algaas ? peak wavelength: typ. 7 3 5 nm ? optical output power: typ. 1 0 mw ? package: ceramic smd, silicon e / epoxy resin absolute maximum ratings (t a =25c) item symbol value unit power dissipation p d 20 0 mw forward current i f 10 0 ma pulse forward current** i fp 5 00 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 240 c * must be completed within 5 seconds ** max duty cy cle 1%, max puls width 10s electro - optical characteristics item symbol condition min. typ. max. unit forward voltage v f if = 50 ma - 1. 85 2. 0 0 v reverse current i r v r = 5 v - - 10 a total radiated power* p o if = 50 ma 4 .0 10 .0 - mw radiation int ensity i e if = 50 ma 2 .0 5 .0 - mw/sr peak wavelength p if = 50 ma - 7 35 - nm half width ? if = 50 ma - 3 0 - nm viewing half angle 1/2 if = 50 ma - 55 - deg. rise time t r if = 50 ma 80 ns fall time t f if = 50 ma 80 ns * total radiated power is measured by photodyne #500 notes ? do not view directly into the emitting area of the led during operation! ? the above specifications are for reference purpose only and subjected to change without prior notice.
14.11.2013 smc7 3 5 2 of 2 ? 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 m inimize the mechanical stress on the leds. temperature profile pcb footprint layout (unit: mm) static electricity ? leds are very sensitive to static electricity and surge voltage. it is recommended to always wear a wrist band or an anti - ele ctrostatic glove when handling the leds. ? all devices, equipment and machinery must be grounded properly. it is recommended that precautions should be taken against surge voltage to the equipment that mounts the leds. soldering conditions
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