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  spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 1 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 2.2x1.4mm surface mount led lamp attention observe precautions for handling electrostatic discharge sensitive devices part number: aa2214qws/d white features z 2.2mm x 1.4mm, 1.3mm high. z low power consumption. z available on tape and reel. z package : 2000pcs / reel. z moisture sensitivity level : level 3. z rohs compliant. description the source color devices are made with ingan light emit- ting diode. static electricity and surge damage the leds. it is recommended to use a wrist band or anti-electrostatic glove when handling the leds. all devices, equipment and machinery must be electrically grounded. package dimensions notes: 1. all dimensions are in millimeters (inches). 2. tolerance is 0.2(0.008") unless otherwise noted. 3. the specifications, characteristics and technical data descri bed in the datasheet are subject to change without prior notice . 4. the device has a single mounting surface. the devi ce must be mounted according to the specifications.
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 2 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 handling precautions compare to epoxy encapsulant that is hard and brittle, si licone is softer and flexible. although its characteristic significantly reduces thermal stress, it is more su sceptible to damage by external mechanical force. as a result, special handling precau tions need to be observed during asse mbly using silicone encapsulated led products. failure to comply might lead to damage and premature failure of the led. 1. handle the component along the side surfaces by using forceps or appropriate tools. 2. do not directly touch or handle the silicone lens surface. it may damage the internal circuitry. 3. do not stack together assembled pcbs containing ex posed leds. impact may scratch the silicone lens or damage the internal circuitry. 4.1. the outer diameter of the smd pickup nozzle should not exceed the size of the led to prevent air leaks. the inner diame- ter of the nozzle should be as large as possible. 4.2. a pliable material is suggested fo r the nozzle tip to avoid scratching or damaging the led surface during pickup. 4.3. the dimensions of the component must be accurately program med in the pick-and-place machine to insure precise pickup and avoid damage during production. 5. as silicone encapsulation is permeable to gases, some corro sive substances such as h 2 s might corrode silver plating of leadframe. special care should be taken if an led with silicone encapsulation is to be used near such substances.
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 3 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 selection guide notes: 1. 1/2 is the angle from optical centerline where the lumi nous intensity is 1/2 of the optical peak value. 2. luminous intensity/ luminous flux: +/-15%. absolute maximum ratings at ta=25c electrical / optical characteristics at ta=25c note: 1. 1/10 duty cycle, 0.1ms pulse width. part no. dice lens type v iewing angle [1] min. typ. 2 1/2 aa2214qws/d white (ingan) water clear 400 550 120 iv (mcd) [2] @ 20ma parameter white units power dissipation 120 mw dc forward current 30 ma peak forward current [1] 150 ma reverse voltage 5 v operating temperature -40c to +85c storage temperature -40c to +85c symbol parameter device typ. max. units test conditions v f [1] forward voltage white 3.3 4.0 v i f =20ma i r reverse current white 50 ua v r = 5v x [2] chromaticity coordinates 0.31 y [2] 0.31 c capacitance white 100 pf v f =0v;f=1mhz white notes: 1. forward voltage: +/-0.1v. 2 : measurement tolerance of the chro maticity coordinates is 0.01.
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 4 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 white aa2214qws/d
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 5 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 white aa2214qws/d 0.20 0.25 0.30 0.35 0.40 0.20 0.25 0.30 0.35 0.40 x y a2 a0 b1 b2 c0 white cie x y x y x y a2 0.263 0.213 a0 0.282 0.245 b2 0.298 0.271 0.282 0.245 0.298 0.271 0.313 0.296 0.265 0.265 0.286 0.299 0.306 0.332 0.242 0.226 0.265 0.265 0.286 0.299 b1 0.313 0.296 c0 0.329 0.325 0.329 0.325 0.358 0.372 0.329 0.371 0.363 0.400 0.306 0.332 0.329 0.371 notes: shipment may contain more than one chromaticity regions. orders for single chromaticity region are generally not accepted. measurement tolerance of the chro maticity coordinates is 0.01.
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 6 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 aa2214qws/d reflow soldering is recommended and the soldering profile is shown below. other soldering methods are not recommended as they might cause damage to the product. reel dimension tape dimensions (units : mm) recommended soldering pattern (units : mm; tolerance: 0.1)
spec no: dsak1878 rev no: v.2 date: feb/09/2011 page: 7 of 7 approved: wynec checked: allen liu drawn: d.m.su e rp: 1201005716 packing & label specifications aa2214qws/d


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