Takardar Bayanin Fasaha ta LTLMR4TCY2DA LED Cyan - 505nm - Kallon Kwanan 25° - 30mA - 105mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTLMR4TCY2DA wani LED ne mai hawa sama, mai fitar da hasken cyan, wanda aka ƙera don aikace-aikacen haske masu ƙarfi. Yana amfani da fasahar InGaN mai ci gaba don samar da haske a mafi girman tsawon zango na 505nm, an saka shi a cikin fakitin da ya watsa wanda ke ba da tsarin radiyo mai santsi. Babban fasalin wannan na'urar shine kunkuntar kwanan kallonta na yau da kullun wanda yake digiri 25, wanda aka samu ta hanyar ƙirar ruwan tabarau na fakitin ba tare da buƙatar ƙarin na'urori na biyu ba. Wannan ya sa ya dace musamman don aikace-aikacen da ke buƙatar daidaitaccen shugabanci da sarrafa haske. An gina na'urar ta amfani da kayan da ba su da gubar da halogen, ta cika ka'idojin RoHS, kuma an ƙididdige shi don Matakin Hatsarin Danshi 3 (MSL3).

1.1 Fa'idodi na Asali da Kasuwar Manufa

Babban fa'idodin wannan LED sun haɗa da fitowar ƙarfin haske mai ƙarfi, wanda ya kai daga 12,000 zuwa 27,000 mcd a daidaitaccen ƙarfin kwarara na 20mA, tare da ƙarancin amfani da wutar lantarki don ingantacciyar aiki. Fakitin yana ba da mafi girman juriya ga danshi da kariya daga UV saboda fasahar epoxy mai ci gaba. Ƙirarsa ta dace da daidaitattun layukan tara Surface Mount Technology (SMT) da hanyoyin siyar da guduro na masana'antu. Aikace-aikacen manufa sun fi kasancewa a cikin alamun kasuwa inda babban gani da sarrafa rarraba haske ke da mahimmanci, kamar alamun saƙon bidiyo, alamomin zirga-zirga, da sauran allunan nuna saƙo daban-daban.

2. Bincike Mai zurfi na Sigogi na Fasaha

Wannan sashe yana ba da cikakken bayani game da iyakokin aiki da halayen aikin LED a ƙarƙashin daidaitattun yanayin gwaji (TA=25°C).

2.1 Matsakaicin Matsakaicin Ƙimar

Kada a yi amfani da na'urar fiye da waɗannan iyakokin don hana lalacewa na dindindin. Matsakaicin ci gaba na DC na yau da kullun shine 30 mA. Don aikin bugun jini, matsakaicin ƙarfin gaba na 100 mA yana yiwuwa a ƙarƙashin takamaiman sharuɗɗa (duty cycle ≤1/10, faɗin bugun jini ≤10ms). Matsakaicin ɓarnawar wutar lantarki shine 105 mW. Ƙimar ƙarfin gaba tana raguwa a layi daya a 0.5 mA a kowace digiri Celsius sama da yanayin yanayi na 45°C. Kewayon zafin aiki daga -40°C zuwa +85°C, yayin da kewayon zafin ajiya ya kai +100°C. Na'urar na iya jure siyar da guduro tare da matsakaicin zafin jiki na 260°C na iyakar dakika 10.

2.2 Halayen Lantarki da Na'ura

A ƙarƙashin yanayin gwaji na IF=20mA, ƙarfin haske (Iv) yana da kewayon yau da kullun na 12,000 zuwa 27,000 millicandelas (mcd). Kwanan kallo (2θ1/2), wanda aka ayyana shi azaman cikakken kusurwar da ƙarfin ya faɗi zuwa rabin ƙimar axial, yawanci digiri 25 ne, tare da mafi ƙarancin digiri 20. Matsakaicin tsayin zango (λP) shine 505 nm. Tsawon zango mai rinjaye (λd), wanda ke ayyana launin da ake gani, ya kai daga 498 nm zuwa 507 nm. Ramin rabin layin gani (Δλ) yawanci 28 nm ne, yana nuna tsaftar gani na fitowar cyan. Ƙarfin gaba (VF) a 20mA ya kai daga mafi ƙanƙanta 2.7V zuwa matsakaicin 3.6V. Ƙarfin juyawa (IR) yana iyakance ga matsakaicin 10 μA a ƙarfin juyawa (VR) na 5V; lura cewa ba a ƙera na'urar don aiki a ƙarƙashin juyawa ba.

3. Ƙayyadaddun Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin zuwa kwandon bin bisa mahimman sigogi.

3.1 Rarrabuwar Ƙarfin Hasken

Ana rarraba LED ɗin zuwa kwandon ƙarfi guda uku (Z, 1, 2) bisa ga fitowar haskensu a 20mA. Bin Z ya ƙunshi 12,000 zuwa 16,000 mcd, Bin 1 ya ƙunshi 16,000 zuwa 21,000 mcd, kuma Bin 2 ya ƙunshi 21,000 zuwa 27,000 mcd. Ana amfani da juzu'i na ±15% ga kowane iyakar kwandon yayin gwaji da garanti.

3.2 Rarrabuwar Tsawon Zango Mai Rinjaye

Don daidaiton launi, ana rarraba tsawon zango mai rinjaye zuwa lambobi biyu: C1 (498 nm zuwa 503 nm) da C2 (503 nm zuwa 507 nm). Juzu'in kowane iyakar kwandon shine ±1 nm. Wannan rarrabuwar yana ba masu ƙira damar zaɓar LED ɗin da suka dace da takamaiman buƙatun wurin launi don aikace-aikacensu.

4. Bincike na Lankwasa Aiki

Yayin da aka ambaci takamaiman lankwasan hoto a cikin takardar bayanin (Hoto 1, Hoto 6), ana iya bayyana halayensu na yau da kullun. Ƙarfin gaba da ƙarfin gaba (I-V) zai nuna daidaitaccen halayen diode na exponential. Ƙarfin haske gabaɗaya yayi daidai da ƙarfin gaba a cikin kewayon aikin da aka ba da shawarar. Matsakaicin tsayin zango (λP) da tsawon zango mai rinjaye (λd) na iya nuna ƙananan canje-canje tare da canje-canjen zafin haɗin gwiwa da ƙarfin tuƙi, wanda shine na yau da kullun don hanyoyin hasken semiconductor. Ƙirar kwanan kallo mai kunkuntar digiri 25 tana nuna katako mai shugabanci sosai tare da saurin faɗuwa a wajen mazugi na tsakiya, wanda ke da fa'ida ga aikace-aikacen da ke buƙatar haske mai ƙarfi akan-axis da ƙarancin zubar da haske.

5. Bayanin Injiniya da Fakitin

5.1 Girman Tsayi da Juzu'i

LED yana zuwa a cikin fakitin hawa sama. Duk girmansu ana bayar da su a cikin milimita, tare da juzu'i na gabaɗaya na ±0.25mm sai dai idan an faɗi. Muhimman bayanan sun haɗa da: matsakaicin tsayin resin a ƙarƙashin flange na 1.0mm, da tazarar jagora da aka auna a wurin da jagororin suka fito daga jikin fakitin. Dole ne masu ƙira su koma cikin cikakken zanen girma don tsarin sawun sawun daidai.

5.2 Tsarin Gidan Gidan Gidan da Aka Ba da Shawara

Ana ba da shawarar takamaiman shimfidar kafet (P1, P2, P3) don ƙirar PCB. Muhimmin bayanin ƙira shine cewa ɗaya daga cikin kafet ɗin (P3) an yi niyya don haɗa shi da ma'aunin zafi ko wata hanyar sanyaya. An ƙera wannan kafet ɗin don rarraba zafin da aka samar yayin aiki yadda ya kamata, wanda ke da mahimmanci don kiyaye aiki da tsawon rai, musamman lokacin aiki a ko kusa da matsakaicin ƙima. An ƙera na'urar don siyar da guduro kuma bai dace da hanyoyin siyar da tsoma ba.

6. Jagororin Siyarwa da Taro

6.1 Bayanin Siyar da Guduro

Ana ba da shawarar bayanin sake guduro mara gubar. Muhimman sigogi sun haɗa da: matakin dumama/jiƙa tare da zafin jiki tsakanin 150°C da 200°C na iyakar dakika 120, lokacin sama da ruwa (T_L=217°C) tsakanin 60 da 150 dakika, da matsakaicin zafin jiki (T_P) na 260°C. Lokacin da ke cikin 5°C na ƙayyadaddun zafin rarrabuwa (T_C=255°C) bai kamata ya wuce dakika 30 ba. Ya kamata a kiyaye jimlar lokaci daga 25°C zuwa matsakaicin zafin jiki a ƙarƙashin mintuna 5. Don sake aikin hannu tare da ƙarfe na guduro, matsakaicin zafin jiki shine 315°C na ƙasa da dakika 3, kuma wannan ya kamata a yi sau ɗaya kawai.

6.2 Ajiya da Hatsarin Danshi

Wannan na'urar MSL3 ce. LED ɗin da ke cikin jakar shinge na danshi da ba a buɗe ba ana iya adana su har zuwa watanni 12 a yanayin da ke ƙasa da 30°C da Danshi Dangi 90% (RH). Bayan buɗe jakar, dole ne a kiyaye abubuwan a cikin yanayi ƙasa da 30°C da 60% RH, kuma dole ne a kammala duk siyarwa a cikin sa'o'i 168 (kwanaki 7). Ana buƙatar gasa a 60°C ±5°C na sa'o'i 20 idan: katin nuna danshi ya nuna >10% RH, rayuwar bene ta wuce sa'o'i 168, ko kuma na'urorin sun kasance a cikin >30°C da 60% RH. Ya kamata a yi gasa sau ɗaya kawai. Tsawaita bayyanawa na iya yin oxidize jagororin da aka lulluɓe da azurfa, yana shafar iya siyarwa. LED ɗin da ba a yi amfani da su ba ya kamata a sake rufe su tare da abin bushewa.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan siyarwa, kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol (IPA). Ya kamata a guji tsaftataccen sinadarai masu tsauri ko masu ƙarfi saboda suna iya lalata ruwan tabarau na epoxy ko alamun fakitin.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Marufi

Ana ba da LED ɗin akan tef ɗin ɗaukar hoto da reel. An ƙayyade girman tef ɗin, tare da aljihu da aka ƙera don riƙe abubuwan cikin aminci. Kowane reel na daidaitaccen yana ɗauke da guda 1,000. Don marufi mai yawa, ana sanya reel ɗaya a cikin jakar shinge na danshi tare da abin bushewa da katin nuna danshi. Ana tattara irin waɗannan jakunkuna uku a cikin akwati na ciki (jimlar 3,000 pcs). Sannan ana tattara akwatuna na ciki goma a cikin akwatin jigilar kaya na waje, wanda ya haifar da jimlar guda 30,000 a kowane akwatin waje. An yiwa alamar marufi a fili a matsayin mai ɗauke da Na'urori Masu Hatsarin Lantarki (ESD), yana buƙatar hanyoyin sarrafawa masu aminci.

8. Shawarwarin Aikace-aikace da La'akari da Ƙira

8.1 Yanayin Aikace-aikacen Yau da Kullun

Babban aikace-aikacen wannan LED shine a cikin nau'ikan alamun kasuwa daban-daban, na cikin gida da na waje. Ƙarfinsa mai haske ya sa ya dace da alamun saƙon bidiyo da manyan allunan bayanai inda karantawar hasken rana zai iya zama dalili. Ƙunƙuntaccen kwanan kallo, wanda aka sarrafa, ya dace da alamomin zirga-zirga da alamun saƙo na shugabanci, yana tabbatar da cewa an jagoranci hasken zuwa ga mai kallo tare da ingantacciyar aiki da ƙarancin ɓarna. Hakanan ana iya amfani da shi a cikin kayan aikin lantarki na yau da kullun waɗanda ke buƙatar alamar cyan mai haske ko hasken baya.

8.2 La'akari da Ƙira

Tuƙin Yanzu:Ana ba da shawarar direban halin yanzu da ƙarfi fiye da tushen ƙarfin lantarki don tabbatar da ingantaccen fitowar haske da hana guduwar zafi. Ya kamata ƙirar ta yi amfani da LED a ko ƙasa da shawarar 20mA don mafi kyawun tsawon rai, ta amfani da matsakaicin 30mA kawai idan ya zama dole kuma tare da isasshen sarrafa zafi.
Gudanar da Zafi:Duk da ƙarancin amfani da wutar lantarki, ingantaccen nutsewar zafi yana da mahimmanci don kiyaye aiki da aminci, musamman a cikin yanayin zafi mai girma ko tsararrun jeri. Ya kamata a aiwatar da haɗin kafet P3 da aka ba da shawarar zuwa jirgin sama na zafi.
Ƙirar Gani:Kwanan kallo na asali na digiri 25 sau da yawa yana kawar da buƙatar ƙarin ruwan tabarau a yawancin aikace-aikacen alamun kasuwa, yana sauƙaƙa ƙirar injiniya. Koyaya, don aikace-aikacen da ke buƙatar ko da mafi ƙunƙuntar katako ko takamaiman tsarin rarrabawa, ana iya amfani da na'urori na gani na biyu.
Kariya ta ESD:A matsayin na'urar mai saurin ESD, ya kamata a bi daidaitattun hanyoyin sarrafawa yayin haɗawa, gami da amfani da tashoshin aiki masu tushe da bel ɗin wuyan hannu.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED na SMD (kamar fakitin 3528 ko 5050) ko fakitin PLCC (Plastic Leaded Chip Carrier), LTLMR4TCY2DA yana ba da kunkuntar kwanan kallo na asali sosai. Daidaitattun LED na SMD sau da yawa suna da kusurwoyin kallo na digiri 120 ko fiye, suna buƙatar ruwan tabarau na waje ko masu haskakawa don samun katako mai kunkuntar. Wannan ƙirar kunkuntar kusurwa ta haɗa kai tana sauƙaƙa haɗin samfurin ƙarshe, yana rage adadin abubuwan, kuma yana iya inganta ingancin gani ta hanyar rage asarar haske a cikin na'urori na gani na biyu. Ƙarfinsa mai ƙarfi a cikin ƙunƙuntaccen fakitin kuma yana ba da fa'ida mai gasa a cikin ƙuntataccen sarari, aikace-aikacen haske mai ƙarfi.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Menene bambanci tsakanin tsayin zango (505nm) da tsawon zango mai rinjaye (498-507nm)?
A: Tsawon zango shine tsayin zango guda ɗaya wanda mafi girman ƙarfin gani ya fi girma. Tsawon zango mai rinjaye ya samo asali ne daga ma'auni na launi akan zanen CIE kuma yana wakiltar launin da ake gani; shine tsayin zango guda ɗaya wanda zai dace da launin LED idan ya kasance tushen launi guda. Sau da yawa suna kusa amma ba iri ɗaya ba don LED ɗin da ke da faɗin gani.

Q: Shin zan iya tuƙa wannan LED tare da wadata 3.3V?
A: Wataƙila, amma ba kai tsaye ba. Ƙarfin gaba yana kaiwa daga 2.7V zuwa 3.6V. Wasu LED ɗin na iya haskakawa a 3.3V, yayin da wasu tare da mafi girman Vf ƙila ba za su kunna kwata-kwata ba. Ana buƙatar da'irar direban halin yanzu don aiki mai dogaro da daidaito.

Q: Me yasa ƙimar MSL3 da tsarin gasa suke da mahimmanci?
A: Danshin da aka sha a cikin fakitin filastik na iya tafasa da sauri yayin aikin siyar da guduro mai zafi, yana haifar da rabuwar ciki, fashewa, ko "gwaiduwa," wanda ke lalata na'urar. Ƙimar MSL da hanyoyin sarrafawa masu alaƙa suna da mahimmanci don tabbatar da yawan yawan taro da amincin dogon lokaci.

Q: Ta yaya zan fassara lambobin kwandon (misali, 2, C1)?
A: Lambar kwandon tana ƙayyade ƙungiyar aiki. Misali, "2, C1" yana nuna LED daga ƙarfin haske Bin 2 (21,000-27,000 mcd) da tsawon zango mai rinjaye Bin C1 (498-503 nm). Ƙayyade kwandon yana ba masu ƙira damar kiyaye haske da daidaiton launi a cikin samfuran su.

11: Nazarin Ƙira da Amfani

Yanayi: Ƙirar Alamar Zirga-zirgar Ƙafar Hanya Mai Ganewa.
Injiniyan ƙira yana ƙirƙirar alamar "Tafiya/Kada Ka Tafi" wanda dole ne a iya gani a fili a cikin hasken rana kai tsaye. Sun zaɓi LTLMR4TCY2DA LED don alamar "Tafiya" ta cyan. Saboda ƙunƙuntaccen kwanan kallo na digiri 25, ana iya jera LED ɗin a cikin ƙunƙuntaccen jeri a bayan mai watsawa, yana tabbatar da haske mai haske, daidaitaccen haske a cikin yankin kallo da aka yi niyya don masu tafiya a ƙasa, tare da ƙarancin gurɓataccen haske a waje da wannan yanki. Babban ƙarfin haske (zaɓin LED ɗin Bin 2) yana ba da garantin karantawar hasken rana. Mai ƙira yana aiwatar da direban halin yanzu da aka saita zuwa 18mA don haɓaka tsawon rai kuma yana amfani da shimfidar kafet ɗin PCB da aka ba da shawarar, yana haɗa kafet ɗin zafi zuwa babban zubar da tagulla akan allon don watsa zafi. Suna tabbatar da cewa gidan taro yana bin MSL3 da ƙayyadaddun bayanin sake guduro don hana gazawar da ke da alaƙa da danshi.

12. Ka'idar Aiki

LTLMR4TCY2DA tushen hasken semiconductor ne bisa fasahar Indium Gallium Nitride (InGaN). Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce ƙofar diode, ana shigar da electrons da ramuka zuwa yankin aiki na guntun semiconductor. Waɗannan masu ɗaukar caji suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin kayan InGaN yana ƙayyade ƙarfin bandgap, wanda kuma ke ayyana tsayin zango na hasken da aka fitar—a wannan yanayin, a cikin yankin cyan na bakan kusa da 505 nm. Fakitin epoxy yana rufe guntun, yana ba da kariya ta injiniya, yana haɗa mai watsawa mara phosphor don siffata katako, kuma ya haɗa da fasaloli don juriya ga UV da danshi.

13. Trends na Fasaha

Kasuwar LED mai hawa sama na ci gaba da haɓaka zuwa mafi inganci (ƙarin lumens kowace watt), ƙara yawan ƙarfin wutar lantarki, da ƙarin aminci. Trends masu dacewa da irin wannan na'urar sun haɗa da ci gaba da inganta kayan InGaN don ingantacciyar inganci da kwanciyar hankali na launi akan zafin jiki da tsawon rai. Fasahar marufi tana ci gaba don samar da mafi kyawun sarrafa zafi daga guntun zuwa PCB, yana ba da damar mafi girman ƙarfin tuƙi da haske daga ƙananan sawun ƙafa. Hakanan ana mayar da hankali kan haɓaka juriya ga danshi don cimma mafi girman ƙimar MSL, sauƙaƙa dabaru na sarkar wadata. Bugu da ƙari, ƙunƙuntaccen juzu'i na rarrabuwa don duka launi da juzu'i suna zama daidaitaccen don biyan buƙatun aikace-aikacen da ke buƙatar daidaitaccen nuna launi da daidaito, kamar nunin bidiyo mai cikakken launi.