LTW-C191TL5 Fari SMD LED Datasheet - Girman 1.6x0.8x0.55mm - Ƙarfin Wutar Lantarki 2.7-3.15V - Ƙarfi 70mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTW-C191TL5 na'urar da ake haɗawa ta saman (SMD) ce mai fitar da haske (LED) wacce aka tsara don aikace-aikacen lantarki na zamani, masu ƙarami. Tana cikin rukunin LED na siriri, tana da tsayin da bai kai 0.55 mm ba. Wannan ya sa ta zama zaɓi mai kyau don aikace-aikace inda sarari ya yi ƙarami, kamar a cikin na'urorin nuni masu siriri, hasken baya na na'urorin hannu, da fitilun nuni a cikin PCBs masu cunkoso.

Fasahar ainihin ta dogara ne akan Indium Gallium Nitride (InGaN), wanda ke ba da damar samar da haske mai haske. An tattara LED a kan kaset ɗin daidaitaccen masana'antu na 8mm, wanda aka naɗe a kan reels masu diamita 7-inch, yana tabbatar da dacewa da kayan aikin haɗawa da sanya masu sauri. Wannan tsarin tattarawa yana da mahimmanci don samar da yawa, yana ba da damar sarrafawa da sanyawa cikin sauƙi yayin aikin ƙira.

2. Cikakken Bayanin Ƙayyadaddun Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. LTW-C191TL5 yana da matsakaicin ɓarnawar ƙarfi na 70 mW a yanayin zafin jiki (Ta) na 25°C. Matsakaicin ci gaba na halin yanzu (DC) shine 20 mA. Don aikin bugun jini, matsakaicin halin yanzu na 100 mA yana yiwuwa a ƙarƙashin yanayi na musamman: zagayowar aiki 1/10 da faɗin bugun 0.1 ms. Na'urar na iya jure ƙarfin wutar lantarki har zuwa 5V, ko da yake an haramta ci gaba da aiki a ƙarƙashin juzu'i. Kewayon zafin aiki daga -20°C zuwa +80°C, yayin da kewayon zafin ajiya ya fi faɗi, daga -55°C zuwa +105°C. Ma'auni mai mahimmanci don haɗawa shine yanayin gyarawa na infrared, wanda aka ƙidaya zuwa 260°C na matsakaicin dakika 10.

2.2 Halayen Lantarki da Na Gani

Waɗannan su ne ma'auni na yau da kullun da aka auna a Ta=25°C da halin yanzu na gaba (IF) na 5 mA, wanda shine yanayin gwaji na gama gari. Ƙarfin haske (Iv) ya bambanta daga mafi ƙanƙanta 45.0 millicandelas (mcd) zuwa matsakaicin matsakaici na 180.0 mcd. Kusurwar kallo (2θ1/2) shine digiri 130, yana ba da filin haske mai faɗi. Ma'auni masu launi, waɗanda ke ayyana wurin launi na farin haske akan zane na CIE 1931, galibi x=0.31 da y=0.32. Ƙarfin wutar lantarki na gaba (VF) ya bambanta daga 2.70V zuwa 3.15V a halin yanzu na gwaji. Halin yanzu na baya (IR) shine matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa kwandon shara dangane da mahimman ma'auni na lantarki da na gani. LTW-C191TL5 yana amfani da tsarin binning mai girma uku.

3.1 Binning Ƙarfin Wutar Lantarki na Gaba (VF)

Ana rarraba LED zuwa kwandon shara uku na VF (A, B, C) dangane da ƙarfin wutar lantarki na gaba a IF=5mA. Kwandon A ya ƙunshi 2.70V zuwa 2.85V, Kwandon B ya ƙunshi 2.85V zuwa 3.00V, da Kwandon C ya ƙunshi 3.00V zuwa 3.15V. Ana amfani da jurewar ±0.1V ga kowane kwandon shara.

3.2 Binning Ƙarfin Hasken (IV)

Ana rarraba LED zuwa kwandon shara uku na IV (P, Q, R) dangane da fitowar haskensu. Kwandon P ya bambanta daga 45.0 zuwa 71.0 mcd, Kwandon Q daga 71.0 zuwa 112.0 mcd, da Kwandon R daga 112.0 zuwa 180.0 mcd. Ana amfani da jurewar ±15% ga kowane kwandon shara.

3.3 Binning Hue (Launi)

Wannan shine kwandon shara mafi rikitarwa, yana ayyana wurin farin launi. Ana ayyana kwandon shara ta hanyar ma'auni huɗu akan zane na launi na CIE 1931. Takardun bayanai ya lissafta ma'auni don kwandon shara A0, B3, B4, B5, B6, da C0. Misali, Kwandon B5 an ayyana shi ta ma'auni (x,y): (0.296, 0.276), (0.311, 0.294), (0.307, 0.315), (0.287, 0.295). Ana amfani da jurewar ±0.01 ga kowane ma'auni (x, y) a cikin kwandon shara. Zanen da aka bayar yana nuna waɗannan kwandon shara a zahiri, yana nuna matsayinsu dangane da yankin farin haske.

4. Bincike na Lanƙwasa Aiki

Yayin da PDF ke nuna kasancewar lanƙwasa halayen lantarki/na gani na yau da kullun akan shafi na 4, takamaiman zane-zane (misali, lanƙwasa IV, ƙarfin dangi vs. zafin jiki, rarraba bakan) ba a haɗa su cikin rubutun da aka bayar ba. Yawanci, irin waɗannan lanƙwasa za su nuna alaƙa tsakanin halin yanzu na gaba da ƙarfin wutar lantarki, yadda ƙarfin haske ke raguwa tare da ƙara zafin haɗin gwiwa, da rarraba ƙarfin bakan na fitar da farin haske. Waɗannan zane-zane suna da mahimmanci ga masu ƙira don fahimtar halayen na'urar a ƙarƙashin yanayin aiki mara daidaito.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin LED

LED yana da ƙafar fakitin daidaitaccen EIA. Manyan girma sun haɗa da girman jiki kusan 1.6mm tsawon da 0.8mm faɗi, tare da tsayin siriri na 0.55mm kasancewar siffa ta musamman. Cikakkun zane-zane masu girma za su ƙayyade wuraren kushin, siffar ruwan tabarau, da alamun gano cathode/anode.

5.2 Tsarin Kushin Gyarawa da aka Ba da Shawara

An ba da tsarin ƙasa (ƙafar) da aka ba da shawarar don PCB don tabbatar da samuwar haɗin gyarawa mai dogaro. Wannan tsarin ya ɗan fi girma fiye da na'urar kanta don ɗaukar fillets na solder.

5.3 Girman Fakitin Kaset da Reel

Ana samar da na'urar a cikin kaset ɗin mai ɗaukar hoto mai faɗin 8mm. Ana naɗe kaset ɗin akan daidaitaccen reel mai diamita 7-inch (178mm). Manyan ƙayyadaddun bayanai sun haɗa da: guda 5000 a cikin cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 don ɓangarorin reel, da matsakaicin guda biyu na ɓangarorin da suka ɓace a jere da aka yarda a cikin kaset ɗin. Fakitin ya yi daidai da ƙa'idodin ANSI/EIA 481-1-A-1994.

6. Jagororin Gyarawa da Haɗawa

6.1 Bayanin Yanayin Gyarawa da Reflow

Shawarar bayanin martaba na infrared (IR) reflow yana da mahimmanci. Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 260°C ya kamata ya zama matsakaicin dakika 10. Ana ba da shawarar dumama kafin a cikin kewayon 150-200°C har zuwa dakika 120 don rage girgizar zafi. Ya kamata a siffanta bayanin martaba don takamaiman haɗin PCB.

6.2 Gyarawa da Hannu

Idan gyarawa da hannu ya zama dole, zafin ƙarfe na gyarawa bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance shi zuwa matsakaicin dakika 3 a kowane kushin. Gyarawa da hannu ya kamata a yi sau ɗaya kawai.

6.3 Ajiya da Sarrafawa

LED suna da damuwa da danshi. A cikin jakar shinge na danshi na asali (tare da desiccant), ya kamata a adana su a ≤30°C da ≤90% RH kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe jakar, yanayin ajiya ya kamata ya zama ≤30°C da ≤60% RH. Abubuwan da aka fallasa zuwa iskar yanayi fiye da sa'o'i 672 (mako 4) ya kamata a gasa su a kusan 60°C na aƙalla sa'o'i 20 kafin reflow don cire danshin da aka sha kuma a hana lalacewar \"popcorning\" yayin gyarawa. Don tsawaita ajiya a waje da jakar ta asali, yi amfani da akwati mai rufi tare da desiccant ko nitrogen desiccator.

6.4 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyarawa, kawai ya kamata a yi amfani da takamaiman kaushi. Tsoma LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya yana da kyau. Sinadarai da ba a ƙayyade ba na iya lalata ruwan tabarau na epoxy ko fakitin.

7. Bayanin Fakitin da Oda

Matsakaicin matsayi na fakitin shine: LED akan kaset → kaset akan reel 7\" → reel(s) a cikin jakar shinge na danshi (tare da desiccant) → jakar(s) a cikin akwati na ciki → akwati na ciki(s) a cikin babban akwati. Matsakaicin jakar shinge 3 na iya kasancewa a cikin akwati na ciki ɗaya, kuma matsakaicin akwati na ciki 21 na iya kasancewa a cikin babban akwati ɗaya. Lambar sashi LTW-C191TL5 tana bin al'adar suna na ciki na masana'anta, inda \"LTW\" mai yiwuwa ke nuna LED fari, kuma \"C191\" yana nuna nau'in fakitin da jerin.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Siririn bayanin martaba yana sa wannan LED ya zama mai kyau don: hasken baya a cikin na'urorin nuni na LCD masu siriri don wayoyin hannu, kwamfutar hannu, da na'urorin lura; alamomin matsayi a cikin na'urorin sawa da na'urorin lantarki masu sauƙi; hasken kayan ado a cikin samfuran mabukaci masu siriri; da alamomin panel a cikin kayan aikin sadarwa da sadarwa inda ƙasar allon ta iyakance.

8.2 Abubuwan Ƙira

Iyakance Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direba na halin yanzu na dindindin don iyakance halin yanzu na gaba zuwa matsakaicin 20mA DC. Yin aiki a halin yanzu na gwaji na yau da kullun na 5mA zai ba da tsawon rayuwa da ingantaccen kwanciyar hankali.

Gudanar da Zafi:Ko da yake ƙanana, LED yana haifar da zafi. Tabbatar da isassun taimako na zafi a cikin ƙirar kushin PCB, musamman idan ana aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma. Dole ne a yi la'akari da ƙimar raguwa na 0.25 mA/°C sama da 25°C.

Kariya ta ESD:Na'urar tana da hankali ga zubar da wutar lantarki (ESD). Aiwatar da hanyoyin sarrafa ESD mai aminci, gami da amfani da bel ɗin wuyan hannu da tashoshi na aiki, yayin haɗawa da shigarwa.

Ƙirar Gani:Faɗin kusurwar kallo na digiri 130 yana ba da haske mai watsewa. Don haske mai mai da hankali, ruwan tabarau na waje ko jagororin haske na iya zama dole.

9. Kwatancen Fasaha da Bambance-bambance

Babban fa'idar bambance-bambance na LTW-C191TL5 shine tsayinsa na 0.55mm, wanda ya fi ƙasa da yawancin daidaitattun LED na SMD (misali, fakitin 0603 ko 0805 waɗanda galibi suna tsayi >0.8mm). Wannan yana ba da damar ƙira a cikin ƙarin samfuran ƙarshe masu siriri. Amfani da fasahar InGaN yana ba da ingantacciyar inganci da kyakkyawan launi don farin LED. Cikakken tsarin binning yana ba masu ƙira damar zaɓar LED don daidaitaccen launi da haske a cikin aikace-aikacensu, wanda ke da mahimmanci don jerin LED masu yawa a cikin hasken baya ko alama.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Zan iya tuka wannan LED a 20mA akai-akai?

A: E, 20mA shine matsakaicin ƙimar ci gaba na DC. Koyaya, don mafi kyawun tsawon rayuwa da inganci, ana ba da shawarar tuka shi a ƙaramin halin yanzu kamar 5-10mA.

Q: Menene manufar kwandon shara daban-daban na VF da IV?

A: Binning yana ba ku damar zaɓar LED tare da halaye masu kama da na lantarki da na gani. Wannan yana da mahimmanci don aikace-aikace masu amfani da LED da yawa inda ake buƙatar daidaitaccen haske da launi, yana hana bambance-bambancen gani tsakanin LED ɗaya.

Q: Ta yaya zan fassara ma'auni na kwandon shara na Hue?

A: Ma'auni (x,y) suna sanya wurin farin haske na LED akan zane na launi na CIE. Kwandon shara kamar B5 ko C0 suna wakiltar yankuna daban-daban na \"fari,\" suna bambanta daga sanyin (shuɗi) zuwa dumin (rawaya) sautuna. Ya kamata ku zaɓi kwandon shara wanda ya dace da buƙatun zafin launi na samfurin ku.

Q: Bayanin martaba na tanda na reflow yana kololuwa a 250°C. Shin hakan yana karɓuwa?

A: E, kololuwa na 250°C yana cikin ƙayyadaddun bayanai (matsakaicin 260°C). Koyaushe tabbatar da lokacin da ya wuce zafin jiki na man gyarawa ya isa don samar da haɗin gwiwar da ya dace.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Alamar Matsayi don Agogon Wayar Hannu mai Siriri.

Babban ƙuntatawa shine tsayin Z. Bayanin martaba na 0.55mm na LTW-C191TL5 yana ba shi damar dacewa a ƙarƙashin siririn Layer mai watsewa ba tare da ƙara girman gawar agogon ba. Mai ƙira ya zaɓi LED daga Kwandon R don haske mai girma da Kwandon B5 don daidaitaccen farin launi na tsaka-tsaki. An yi amfani da direban LED na halin yanzu na dindindin don samar da 8mA zuwa LED, yana ba da isasshen haske yayin kiyaye rayuwar baturi da kuma kiyaye zafin haɗin gwiwa ƙasa. Tsarin kushin PCB yana bin shawarar takardun bayanai. Yayin haɗawa, PCB na agogon yana jurewa reflow na IR tare da keɓaɓɓen bayanin martaba na 245°C na dakika 8. Faɗin kusurwar kallo yana tabbatar da cewa hasken alama yana bayyana daga kusurwoyi daban-daban lokacin da mai amfani ya kalli wuyan hannunsa.

12. Gabatarwar Ƙa'idar Fasaha

LTW-C191TL5 ya dogara ne akan fasahar semiconductor na InGaN (Indium Gallium Nitride). A cikin farin LED, yankin aiki yawanci yana fitar da hasken shuɗi. Wani ɓangare na wannan hasken shuɗi sai a canza shi zuwa tsayin raƙuman ruwa (rawaya, ja) ta hanyar laka mai ɗauke da phosphor da aka yi a kan guntun semiconductor. Haɗuwar sauran hasken shuɗi da hasken rawaya/ja da aka canza ta phosphor idon ɗan adam yana ganinsa a matsayin fari. Takamaiman ma'auni na indium da gallium a cikin gawa na InGaN, tare da abun da ke ciki da kauri na Layer phosphor, suna ƙayyade ƙayyadaddun zafin launi da ma'auni masu launi na fitar da farin haske. An sami fakitin siriri ta hanyar ci-gaba da dabarun fakitin ma'auni na guntu waɗanda ke rage adadin kayan da ke kewaye da mutuwar semiconductor.

13. Trends na Masana'antu da Ci gaba

Trend a cikin SMD LED don kayan masarufi na lantarki yana ci gaba da zuwa ga ƙananan ƙira da ingantaccen inganci. Tsayin 0.55mm na wannan na'urar yana wakiltar mataki a cikin raguwar bayanan martaba na ci gaba. Ci gaba na gaba na iya mayar da hankali kan ƙara rage ƙafar ƙafa (misali, fakitin ma'auni na guntu ba tare da ganin fakitin ba) yayin ƙara ingancin haske (lumens a kowace watt). Hakanan akwai babban yanayi zuwa ingantaccen daidaiton launi da ƙimar ƙimar ƙimar launi (CRI) mafi girma, musamman don aikace-aikacen haske. Bugu da ƙari, haɗa kayan aikin sarrafawa (kamar PWM dimming) a cikin fakitin LED wani yanki ne mai tasowa. Tuƙin bin ka'idodin RoHS da kera kore, kamar yadda aka lura a cikin siffofin wannan LED, ya kasance daidaitaccen ma'auni na masana'antu.