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data sheet surface mount led tape and reel lead-free parts ligitek electronics co.,ltd. property of ligitek only pb doc. no : qw0905-lg -020duv rev. : a date : 17 - feb. - 2016 LG-020DUV l dcc
features: 1. side view led. 2. white smt package. 3. leadframe package with individual 2 pin. 4.wide viewing angle. 5.soldering methods:ir reflow soldering. 6.feature of the device:more light due to higher optical efficiency;extremely wide viewing angle;ideal for backlighting and coupling in light guide. descriptions: the lg-020 smd has wide viewing ang le and optimized light coupling by inter reflector,the low current requirement makes this device ideal for portable equipment or any other application where power is at a premium. applications: 1. telecommunication: indicator and backlighting in telephone and fax. 2. indicators. 3. switch lights. color ! ligitek electronics co.,ltd. property of ligitek only LG-020DUV ingan purple device selection guide: part no material emitted part no. LG-020DUV water clear lens page 1/11
recommended soldering pad dimensions note : the tolerances unless mentioned is ligitek electronics co.,ltd. property of ligitek only page 2/11 part no. LG-020DUV 2.1 1.5 0.85 1.5 2.3 1.9 3.8 3.6 0.7 0.45 0.6 0.63 1.2 0.75 andoe polarity 0.7 0.63 cathode
typical electrical & optical characteristics (ta=25 ) ligitek electronics co.,ltd. property of ligitek only absolute maximum ratings at ta=25 page 3/11 part no. LG-020DUV power dissipation forward current electrostatic discharge operating temperature reverse current @5v peak forward current duty 1/11@10khz storage temperature - 40 ~ + 85 t opr tstg - 40 ~ + 100 symbol pd i fp esd ir i f parameter 50 500 30 108 100 ratings c c ma a v unit mw ma note : 1.the forward voltage data did not including 0.1v testing tolerance. 2.the luminous intensity data did not including 15% testing tolerance. 3.the peak wavelength data did not including 1nm testing tolerance. 3.6 ---- ---- ---- ---- max. spectral line half-width radiant intensity peak wavelength items viewing angle forward voltage 3.2 2.4 po 2 1/2 p v f 20 ---- 2.8 ---- 120 ---- ---- 405 symbol min. typ. if=20ma mw/sr if=20ma if=20ma if=20ma if=20ma nm deg v nm condition unit
! ligitek electronics co.,ltd. property of ligitek only page 4/11 radiant intensity classification bin code min. max. part no. LG-020DUV po(mw/sr) at20ma n2.43.2 p 3.2 4.2 q 4.2 5.5 r5.57.2
ligitek electronics co.,ltd. property of ligitek only page 5/11 part no. LG-020DUV typical electro-optical characteristics curve -60 100% 50% 75% 25% 0 -30 0 60 25% 50% 100% 75% 30 fig.5 directive radiation 100 relative intensity normalize @20ma 3.4 0.5 forward voltage(v) wavelength (nm) forward current(ma) fig.3 forward current vs. wavelength wavelength(nm)wlp 380 20 40 390 60 410 400 420 3.1 20 40 30 3.2 3.3 60 50 70 0.5 relative intensity@20ma 80 100 350 0.0 1.0 450 400 550 fig.4 relative intensity vs. wavelength 80 90 100 0 30 20 forward current(ma) 70 50 40 60 80 90 fig.1 forward current vs. forward voltage duv chip 3.9 3.6 3.5 3.8 3.7 fig.2 relative intensity vsforward current 1.0 1.5 2.0 2.5
aluminum moist-proof bag ! ligitek electronics co.,ltd. property of ligitek only packing specifications ?
bin : luminous intensity ! ligitek electronics co.,ltd. property of ligitek only 16.01.0 60.01.0 13.01.0
1. 4 bag / inner box 2. inner box size : l x w x h 23cm x 8.5cm x 26cm box explanation ! ligitek electronics co.,ltd. property of ligitek only page 8/11 part no.LG-020DUV 3. 10 inner boxes / carton 4. carton size : l x w x h 58cm x 34cm x 35cm l w h l h w
2.when soldering,do not put stress on the leds during heating. 1.reflow soldering should not be done more than two times. 3.after soldering,do not warp the circuit board. note: above 220c 60 sec.max. 3 pb-free reflow solder preheat 180~200c 120 sec.max. 1~5c/sec 1~5c/sec 1. hand solder basic spec is Q ligitek electronics co.,ltd. property of ligitek only recommended soldering conditions page 9/11 part no. LG-020DUV
cleaning: use alcohol-based cleaning solvents such as isopropyl alcohol to clean the led. esd(electrostatic discharge): static electricity or power surge will damage the led. use of a conductive wrist band or anti-electrosatic glove is recommended when handing these led. all devices, equipment and machinery must be properly grounded. (a) recommended circuit. (b) the difference of brightness between led could be found due to the vf-if characteristics of led. drive method: led is a current operated device, and therefore, requirer some kind of current limiting incorporated into the driver circuit. this current limiting typically takes the form of a current limiting resistor placed in series with the led. consider worst case voltage variations than could occur across the current limiting resistor. the forwrd current should not be allowed to change by more than 40% of its desired value. circuit model a led led circuit model b ! ligitek electronics co.,ltd. property of ligitek only page 10/11 part no. LG-020DUV precautions for use: storage time: 1.the operation of temperatures and rh are : 5 c~30 c c c
reliability test: ! ligitek electronics co.,ltd. property of ligitek only page11/11 part no. LG-020DUV environmental test 1.t=260c max. 10sec.max. 2. 6 min ir reflow 1.100c5c ~

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