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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-020DGM-A03 rev. : a date : 01 - aug. - 2016 LG-020DGM-A03 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-020DGM-A03 ingan green device selection guide: part no material emitted part no. LG-020DGM-A03 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-020DGM-A03 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
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 dominant wavelength data did not including 1nm testing tolerance. 3.2 ---- ---- 531 ---- typical electrical & optical characteristics (ta=25 ) max. spectral line half-width luminous intensity dominant wavelength items viewing angle forward voltage 1250 800 iv 2 1/2 d v f 36 ---- 2.6 ---- 120 ---- 519 ---- symbol min. typ. if=20ma mcd if=20ma if=20ma if=20ma if=20ma nm deg v nm condition unit ligitek electronics co.,ltd. property of ligitek only absolute maximum ratings at ta=25 page 3/11 part no. LG-020DGM-A03 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
ligitek electronics co.,ltd. property of ligitek only page 4/11 luminous intensity classification iv(mcd) at20ma bin code min. max. part no. LG-020DGM-A03 dominant wavelength classification d(nm) at 20ma bin code min. max. forward voltage classification vf(v) at20ma min. 2 3 1 2.6 bin code max. 2.8 2.8 3.0 3.2 3.0 v-1 800 1000 v-2 1000 1250 w-1 1250 1600 w-2 1600 2000 1o 519 522 1p 522 525 1q 525 528 1r 528 531
ligitek electronics co.,ltd. property of ligitek only page 5/11 part no. LG-020DGM-A03 fig.6 directive radiation 50% 100% -60 25% 50% 75% 0 25% -30 0 75% 100% 60 30 typical electro-optical characteristics curve fig.5 relative intensity vs. wavelength relative intensity@20ma wavelength (nm) fig.4 relative intensity vs. temperature ambient temperature( ) forward voltage(v) fig.1 forward current vs. forward voltage forward current(ma) forward current(ma) fig.2 relative intensity vs. forward current relative intensity normalize @20ma 1.0 0.1 1.0 10 100 1000 1.0 10 100 1000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 450 550 600 0.0 0.5 1.0 2.0 3.0 4.0 5.0 -20 -40 40 20 0 80 100 60 2.0 0.0 0.5 1.0 1.5 2.5 3.0 500 dgm chip fig.3 forward voltage vs. temperature ambient temperature( ) forward voltage@5ma normalize @25 -40 -20 0 20 40 60 1.0 1.1 1.2 80 100 0.8 0.9
aluminum moist-proof bag ligitek electronics co.,ltd. property of ligitek only packing specifications ? LG-020DGM-A03 part no. 12.0mm tape,7"reel description 0.4 0.6 0.8 0.2 0.8 0.6 0.4 0.2 note : the tolerances unless mentioned is 0.1mm,unit=mm. carrier type dimensions 3000 pcs quantity/reel page 6/11 part no. LG-020DGM-A03 1.5 2 4 4 1.75 0.72 12 0.279 4 5.5 polarity label label
bin : luminous intensity ligitek electronics co.,ltd. property of ligitek only 16.01.0 60.01.0 13.01.0 1 3 . 5 1 . 0 1781.5 2.00.5 0.8 0.6 0.4 0.2 reel dimensions 0.2 0.4 0.6 0.8 ligitek electronics co., ltd. bin/ hue : qty(pcs): v-2/1p 3000 lot : part : gs11680168 pb label explanation page 7/11 part no.LG-020DGM-A03 LG-020DGM-A03 hue : dominant wavel ength vf : forward voltage vf:2.8-3.0
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 320 3 sec one time only. 260c max. 10sec.max 6c/sec ligitek electronics co.,ltd. property of ligitek only recommended soldering conditions page 9/11 part no. LG-020DGM-A03
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-020DGM-A03 precautions for use: storage time: 1. calculated shelf life before opening is 12 months at < 30c and < 90% relative humidity (rh) 2. after bag is opened, devices which will be subjected to reflow soldering or other high temperature processes must be a) assemblied within 168 hours in an environment of Q 30c / 60% rh, or b) stored at ambient of 10% rh or less 3. devices are required baking before assembly if: a) humidity indicator card reads >10% (for level 2a -5a) or >60% (for level 2) at ambient temperature 23 5c b) 2.a) or 2.b) doesn't meet 4. if baking is required, devices should be baked for >24 hours at 605c.performing baking only once, and using the baked devices within 72 hours.
reliability test: ligitek electronics co.,ltd. property of ligitek only page11/11 part no. LG-020DGM-A03 environmental test 1.t=260c max. 10sec.max. 2. 6 min ir reflow 1.100c5c ~ -40c5c 30mins / 5mins / 30mins 2.100 cyeles temperature cycling endurance test classification 1.ta=85c 2.rh=85% 3.t=1000hrs(-24hrs,+72hrs) 1.ta=-40c5c 2.t=1000 hrs (-24hrs,+72hrs) 1.ta=100c5c ~ -40c5c 20min/ 10sec / 20min 2.total 100 cycles high temperature high humidity storage test thermal shock test low temperature storage test 1.ta=100c5c 2.t=1000 hrs (-24hrs,+72hrs) 1.ta=25c 2.if=20ma 3.t=1000 hrs (-24hrs,+72hrs) high temperature storage test test item operating life test test condition sample size 22 22 22 22 22 22 22

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