LTLMH4T BR7DA LED Fitila Takardar Bayani - Girman 4.2x4.2x6.2mm - Ƙarfin Wutar Lantarki 2.9V - Ƙarfi 85mW - Blue 470nm - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTLMH4T BR7DA fitilar LED ce mai hawa a saman wacce aka ƙera don aikace-aikacen haske masu ƙarfi. Wannan na'urar tana amfani da fasahar semiconductor ta InGaN (Indium Gallium Nitride) don samar da hasken shuɗi tare da tsayin raƙuman ruwa na 470nm. An rufe ta a cikin marufin epoxy shuɗi mai yaduwa, an ƙera ta don aiki mai ƙarfi a aikace-aikacen allunan sanarwa, tana ba da tsarin radiyo mai sarrafawa ba tare da buƙatar ƙarin na'urori na gani na biyu ba. Siffarta na'urar hawa a saman (SMD) tana tabbatar da dacewa da layukan haɗawa na SMT (Fasahar Hawa a Sama) na yau da kullun, da kuma hanyoyin haɗa reflow na masana'antu.

Babban fa'idodin wannan LED sun haɗa da ƙarfin haskenta mai ƙarfi, wanda zai iya kaiwa 2850 millicandelas (mcd), tare da ƙarancin amfani da wutar lantarki don ingantacciyar aiki. An gina marufin ta amfani da kayan epoxy na ci-gaba waɗanda ke ba da ingantaccen juriya ga danshi da kariya daga UV, suna haɓaka amincinta don amfani a ciki da waje. Bugu da ƙari, samfurin ya bi ka'idojin muhalli, ba shi da gubar, ba shi da halogen, kuma ya bi ka'idojin RoHS.

Kasuwarmar da aka yi niyya don wannan sashi ita ce masana'antar sanarwa ta ƙwararru. Aikace-aikacenta na yau da kullun sun haɗa da alamun saƙon bidiyo, alamomin zirga-zirga, da nau'ikan nunin saƙo daban-daban inda daidaitaccen haske, mai haske, da amintacce ke da mahimmanci. Ƙirar LED tana dacewa musamman don aikace-aikacen da ke buƙatar tsarin radiyo mai santsi da kusurwoyin kallo masu sarrafawa.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Matsakaicin matsakaicin matsakaici yana bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga LED. An ƙayyade waɗannan ƙimar a yanayin zafin muhalli (TA) na 25°C. Matsakaicin ɓarnawar ƙarfi shine 85 mW. Na'urar na iya ɗaukar matsakaicin halin yanzu na gaba na 100 mA, amma kawai a ƙarƙashin yanayin bugun jini tare da cikakken aiki na 10% ko ƙasa da haka kuma faɗin bugun jini bai wuce millisecond 10 ba. Matsakaicin ƙimar halin yanzu na DC na ci gaba shine mafi ra'ayin 25 mA. Don tabbatar da aiki mai aminci a yanayin zafi mafi girma, ana amfani da ƙimar raguwa na 0.62 mA a kowace digiri Celsius daga 45°C zuwa sama. Matsakaicin zafin aiki daga -40°C zuwa +85°C, yayin da kewayon zafin ajiya ya kai +100°C. Muhimmanci ga haɗawa, LED na iya jurewa bayanin martaba na haɗa reflow tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 10.

2.2 Halayen Lantarki da Na Gani

Halayen lantarki da na gani sune ma'auni mahimman na aiki a ƙarƙashin yanayin aiki na yau da kullun, kuma an ƙayyade su a TA=25°C.

• Ƙarfin Hasken (Iv):An auna shi a halin yanzu na gaba (IF) na 20mA, ƙarfin hasken yana da ƙimar yau da kullun na 1600 mcd, tare da mafi ƙarancin 1000 mcd kuma matsakaicin 2850 mcd. An yiwa alamar rarrabuwar Iv akan jakar tattarawa, kuma gwaje-gwajen garanti sun haɗa da jurewar ±15%.
• Kusurwar Kallo (2θ1/2):Na'urar tana da kusurwar kallo ta yau da kullun na 70/45 digiri. Wannan ma'auni, wanda aka ayyana shi azaman kusurwar da ba ta kan axis inda ƙarfin haske ya faɗi zuwa rabin ƙimar axis ɗinsa, yana nuna tsarin katako mai daidaitawa wanda ya dace da hasken da aka nufa.
• Tsawon Raƙuman Ruwa:Matsakaicin tsayin raƙuman ruwa (λP) yawanci 461 nm ne. Matsakaicin tsayin raƙuman ruwa (λd), wanda ke bayyana launin da ake gani, ya bambanta daga 465 nm zuwa 475 nm, tare da ƙimar yau da kullun na 470 nm (shuɗi). Ramin layin bakan (Δλ) yawanci 23 nm ne.
• Ƙarfin Wutar Lantarki na Gaba (VF):A IF=20mA, ƙarfin wutar lantarki na gaba yana faɗuwa yawanci 2.9V, tare da kewayon daga 2.5V zuwa 3.5V. Wannan ma'auni yana da mahimmanci don ƙirar da'irar direba.
• Halin Yanzu na Baya (IR):Matsakaicin halin yanzu na baya shine 10 μA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V. Yana da mahimmanci a lura cewa ba a ƙera wannan na'urar don aikin karkatar da baya ba; wannan yanayin gwaji ne don siffanta kawai.

3. Ƙayyadaddun Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a aikace-aikacen samarwa, ana rarraba LEDs zuwa kwandon bin bisa ma'auni mahimman.

3.1 Rarrabuwar Ƙarfin Hasken

Ana rarraba LEDs zuwa kwandon bin ƙarfi guda huɗu (BQ, BR, BS, BT) bisa ga ƙarfin hasken da aka auna a 20mA. Iyakokin kwandon bin sune: BQ (1000-1300 mcd), BR (1300-1700 mcd), BS (1700-2200 mcd), da BT (2200-2850 mcd). Jurewar ±15% ya shafi kowane iyakar kwandon bin.

3.2 Rarrabuwar Matsakaicin Tsayin Raƙuman Ruwa

Don daidaiton launi, ana rarraba matsakaicin tsayin raƙuman ruwa zuwa lambobi biyu: B1 (465-470 nm) da B2 (470-475 nm). Jurewar kowane iyakar kwandon bin shine ±1 nm. Lambar sashi LTLMH4T BR7DA tana nuna takamaiman haɗin waɗannan kwandon bin (misali, 'BR' don ƙarfi kuma '7D' mai yiwuwa yana da alaƙa da kwandon bin tsayin raƙuman ruwa, ko da yake ba a cikakken bayyana ainihin taswirar lambar a cikin lambar sashi ba a cikin abin da aka cire).

4. Bincike na Lanƙwasa Aiki

Yayin da ba a cikakken bayyana takamaiman lanƙwasa masu hoto ba a cikin rubutun da aka cire, lanƙwasa na aiki na yau da kullun don irin waɗannan LEDs zasu haɗa da:

• Lanƙwasa IV (Halin Yanzu da Ƙarfin Wutar Lantarki):Wannan lanƙwasa tana nuna alaƙar ƙima tsakanin ƙarfin wutar lantarki na gaba da halin yanzu na gaba. Yana da mahimmanci don ƙayyade wurin aiki da tasirin zafi akan faɗuwar wutar lantarki.
• Ƙarfin Hasken da Halin Yanzu na Gaba:Wannan jadawali yawanci yana nuna alaƙar kusa da layi tsakanin halin yanzu na tuƙi da fitowar haske a cikin kewayon aikin da aka ba da shawarar, yana nuna ingancin na'urar.
• Ƙarfin Hasken da Yanayin Yanayi:Wannan lanƙwasa tana nuna tasirin kashe zafi, inda fitowar haske ke raguwa yayin da zafin haɗuwa ya tashi. Fahimtar wannan yana da mahimmanci don sarrafa zafi a cikin aikace-aikacen ƙarshe.
• Rarraba Bakan:Zane na ƙarfin dangi da tsayin raƙuman ruwa, yana nuna kololuwa a ~461nm da faɗin bakan, wanda ke shafar tsaftar launi.

Ya kamata masu ƙira su tuntubi waɗannan lanƙwasa don inganta yanayin tuƙi da zafin zafi don daidaitaccen aiki a tsawon rayuwar samfurin.

5. Bayanin Injiniya da Marufi

5.1 Girman Bayyani

LED yana da ƙaramin marufi mai hawa a saman mai rectangular. Manyan girma sun haɗa da girman jiki na kusan 4.2mm (±0.2mm) tsayi da faɗi. Jimlar tsayi, gami da ruwan tabarau, shine 6.2mm (±0.5mm). Marufin yana da ƙugiya don kwanciyar hankali na injiniya yayin sanyawa. Jurewar yawancin girma shine ±0.25mm sai dai idan an ƙayyade in ba haka ba.

5.2 Ƙirar Pad da Gano Polarity

Na'urar tana da tashoshi na lantarki guda uku (P1, P2, P3). P1 da P3 sune haɗin anode (+), yayin da P2 shine haɗin cathode (-). Ana iya amfani da wannan tsari don inganta rarraba halin yanzu ko sarrafa zafi. Tsarin pad ɗin gwangwani da aka ba da shawarar akan PCB ya haɗa da babban pad (wanda galibi ana haɗa shi da P3) wanda aka ƙera musamman don haɗawa da na'urar zubar da zafi ko hanyar sanyaya don rarraba zafin da aka samar yayin aiki yadda ya kamata. An ba da shawarar radius na fillet (R0.5) akan ƙirar pad don tabbatar da samuwar haɗin gwangwani mai aminci.

6. Jagororin Haɗawa da Haɗawa

6.1 Bayanin Martaba na Haɗa Reflow

An ƙididdige LED a matakin Mai Hatsarin Danshi 3 (MSL3) bisa JEDEC J-STD-020. Ƙayyadaddun bayanin martaba na reflow maras gubar da aka ba da shawarar sune: Preheating/Soak daga 150°C zuwa 200°C na matsakaicin dakika 120. Lokacin da ya wuce zafin jiki mai ruwa (217°C) ya kamata ya kasance tsakanin 60 da 150 dakika. Matsakaicin zafin jikin marufi (Tp) bai kamata ya wuce 260°C ba, kuma lokacin cikin 5°C na ƙayyadadden zafin rarrabuwa (255°C) ya kamata ya zama matsakaicin dakika 30. Jimlar lokaci daga 25°C zuwa matsakaicin zafin jiki bai kamata ya wuce mintuna 5 ba. Ba za a iya yin haɗa reflow fiye da sau biyu ba.

6.2 Ajiya da Gudanarwa

LEDs a cikin jakunkunan shinge na danshi da aka rufe za a iya adana su har zuwa watanni 12 a <30°C da 90% RH. Bayan buɗe jakar, dole ne a kiyaye abubuwan a ƙarƙashin <30°C da 60% RH kuma dole ne a haɗa su cikin sa'o'i 168 (kwanaki 7). Ana buƙatar gasa a 60°C±5°C na sa'o'i 20 idan katin nuna alamar danshi ya nuna >10% RH, idan rayuwar bene ta wuce sa'o'i 168, ko kuma idan abubuwan sun fallasa zuwa >30°C da 60% RH. Ya kamata a yi gasa sau ɗaya kawai.

6.3 Tsaftacewa da Haɗa Hannu

Idan tsaftacewa ya zama dole, kawai ya kamata a yi amfani da kaushi masu tushen barasa kamar isopropyl alcohol. Idan ana buƙatar haɗa hannu, dole ne a iyakance shi zuwa lokaci ɗaya kawai tare da zafin ƙarfe bai wuce 315°C ba na matsakaicin dakika 3 a kowane haɗin gwiwa. Ba za a iya amfani da damuwa na waje ga LED yayin haɗawa yayin da yake da zafi mai girma, kuma ya kamata a guji sanyaya cikin sauri daga matsakaicin zafin jiki.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Marufi

Ana samar da LEDs akan tef ɗin ɗaukar hoto da reel. An ƙayyade girman tef ɗin, tare da tsalle-tsalle na aljihu na 8.0mm (±0.1mm) da faɗin tef ɗin 16.0mm (±0.3mm). Kowane reel yana ɗauke da guda 1,000, an tattara su a cikin jakar shinge na danshi mai alamar gargaɗin fitar da wutar lantarki ta tashin hankali (ESD). Ana tattara reels uku a kowane akwati na ciki (Jimlar 3,000 pcs), kuma ana tattara akwatuna tara na ciki a kowane akwati na waje (Jimlar 27,000 pcs). A cikin kowane kayan jigilar kaya, kawai fakitin ƙarshe zai iya zama mara cikakke.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da alamar ciki da waje, gami da alamun saƙon bidiyo, alamomin zirga-zirga, da nau'ikan nunin saƙo gabaɗaya. Ƙarfinsa mai haske da kusurwar kallo mai sarrafawa sun sa ya zama manufa don aikace-aikacen da hasken ke buƙatar kaiwa ga mai kallo don matsakaicin ganuwa, ko da a cikin yanayin hasken muhalli.

8.2 Abubuwan Tunani na Ƙira

• Tukin Halin Yanzu:Yi amfani da direba mai ci gaba da halin yanzu da aka saita zuwa 20mA don aiki na yau da kullun, tabbatar da cewa ya kasance cikin matsakaicin matsakaicin 25mA DC. Yi la'akari da raguwa a yanayin zafi mai girma.
• Gudanar da Zafi:Haɗa takamaiman pad ɗin zafi (P3) zuwa zubar da tagulla ko na'urar zubar da zafi na musamman akan PCB don canja wurin zafi daga haɗin LED yadda ya kamata, kiyaye fitowar haske da tsawon rai.
• Ƙirar Gani:Ruwan tabarau mai yaduwa da aka gina yana ba da tsarin radiyo mai santsi. Don takamaiman siffofi na katako, ana iya ƙara na'urori na gani na biyu, ko da yake ainihin kusurwar digiri 70/45 sau da yawa ya isa don aikace-aikacen alama.
• Kariya ta ESD:Aiwatar da matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa, kamar yadda aka nuna akan marufi.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da LEDs na SMD na yau da kullun (kamar fakitin 3528 ko 5050) ko LEDs na PLCC (Plastic Leaded Chip Carrier), wannan fitilar hawa a saman tana ba da fa'idodi daban-daban don alama. Babban bambancinta shine ƙirar ruwan tabarau da aka haɗa wanda ke ba da tsarin radiyo mai santsi da kusurwoyin kallo masu ƙuntatawa, masu sarrafawa ba tare da buƙatar ƙarin ruwan tabarau na waje ba. Wannan yana sauƙaƙa ƙirar injiniya na alama, yana rage adadin abubuwan, kuma yana iya rage farashin haɗawa gabaɗaya. Babban ƙarfin haske a cikin ƙaramin fakitin kuma yana ba da damar nunin haske mai haske ko amfani da ƙananan LEDs a kowane yanki na alama. Ƙaƙƙarfan marufin epoxy tare da haɓaka juriya ga danshi da UV yana ba da ingantaccen aminci don aikace-aikacen waje idan aka kwatanta da wasu fakitin SMD na yau da kullun.

10. Tambayoyin da ake yawan yi (FAQ)

Q1: Menene ma'anar lambar sashi LTLMH4T BR7DA?

A1: Lambar sashi tana ɓoye takamaiman halayen samfur. 'LTLMH4T' mai yiwuwa yana nufin dangin samfurin da nau'in marufi. 'BR' yana nuna kwandon bin ƙarfin haske (1300-1700 mcd). Ana ɗauka '7D' yana da alaƙa da kwandon bin tsayin raƙuman ruwa (mai yiwuwa 470-475nm, B2). Koyaushe tabbatar da ainihin rarrabuwa daga cikakkiyar takardar bayani ta mai bayarwa ko lakabin tattarawa.

Q2: Shin zan iya tuƙa wannan LED tare da tushen ƙarfin wutar lantarki mai ci gaba?

A2: Ba a ba da shawarar ba. LEDs na'urori ne masu tuƙi na halin yanzu. Ƙarfin wutar lantarki na gaba yana da jurewa (2.5V-3.5V). Tushen ƙarfin wutar lantarki mai ci gaba zai iya haifar da ƙarin bambancin halin yanzu tsakanin raka'a, yana haifar da bambance-bambance a cikin haske kuma mai yiwuwa yana rage tsawon rai. Koyaushe yi amfani da direba mai ci gaba da halin yanzu ko da'irar da ke iyakance halin yanzu aiki.

Q3: Me ya sa akwai pad ɗin zafi (P3), kuma dole ne in haɗa shi?

A3: An ƙera pad ɗin zafi don canja wurin zafi daga mutuwar LED zuwa PCB. Ana ba da shawarar haɗa shi da yanki na tagulla ko na'urar zubar da zafi musamman, musamman lokacin aiki a yanayin zafi mai girma ko a cikakken halin yanzu na tuƙi. Gudanar da zafi yadda ya kamata yana tabbatar da daidaitaccen fitowar haske kuma yana haɓaka tsawon lokacin aiki na LED.

Q4: Takardar bayani ta ce MSL3. Menene zai faru idan na wuce rayuwar bene na sa'o'i 168?

A4: Wuce rayuwar bene yana fallasa LED ga danshin muhalli, wanda zai iya yin tururi yayin haɗa reflow, yana haifar da lalacewar marufi na ciki (\"popcorning\"). Idan rayuwar bene ta wuce, dole ne ku gasa abubuwan a 60°C na sa'o'i 20 kafin haɗawa, kamar yadda aka faɗi a sashe na 8.2.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Alamar Zirga-zirga ta Waje Mai Ganuwa

Mai ƙira yana ƙirƙirar alamar zirga-zirga mai canzawa mai amfani da hasken rana. Sun zaɓi LTLMH4T BR7DA LED don ƙarfinsa mai haske (kwandon bin BR, ~1500 mcd typ.) da launin shuɗi (470nm). Dole ne a iya karanta alamar a cikin hasken rana kai tsaye. Mai ƙira ya lissafa cewa tsararrun LEDs 100, waɗanda aka tuƙa a 18mA (ƙasa da na yau da kullun kaɗan don haɓaka tsawon rai da lissafin bambancin shigar hasken rana), zasu ba da isasshen ƙarfin haske. An zaɓi IC direba mai ci gaba da halin yanzu don samar da wutar lantarki ga tsararrun a cikin tsarin jeri-layin. An ƙera PCB tare da manyan zubar da tagulla da aka haɗa da pad ɗin P3 na kowane LED, waɗanda kuma aka haɗa su da farantin aluminum na bayan gidan alamar da ke aiki azaman na'urar zubar da zafi. An bi tsarin sarrafa MSL3 daidai yayin haɗawa don hana gazawar da ke da alaƙa da danshi. Wannan ƙirar ta haifar da alama mai aminci, mai haske, da ingantaccen amfani da makamashi wanda ya dace da aiki na waje 24/7.

12. Gabatarwar Ka'idar Fasaha

Wannan LED ya dogara ne akan fasahar semiconductor ta InGaN (Indium Gallium Nitride). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin p-n, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na InGaN yana ƙayyade ƙarfin bandgap, wanda kuma ke bayyana tsayin raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, shuɗi a 470nm. Mai rufe epoxy yana yin ayyuka da yawa: yana kare ƙwayar semiconductor mai laushi, yana aiki azaman ruwan tabarau na farko don siffanta fitowar haske, kuma yana ɗauke da barbashi masu yaduwa don samar da kamanni iri ɗaya. Marufin kuma ya haɗa da kofi mai haskakawa don jagorantar haske zuwa sama da jagororin da aka ƙera don haɗin lantarki da kuma tarwatsa zafi.

13. Trends na Masana'antu da Ci Gaba

Kasuwarmar LED mai hawa a saman na ci gaba da haɓakawa zuwa mafi inganci (ƙarin lumens a kowace watt), ƙara yawan ƙarfin wutar lantarki, da ingantacciyar daidaiton launi da fassara. Trends masu dacewa da irin wannan sashi sun haɗa da turawa don ƙuntataccen jurewar kwandon bin don tabbatar da daidaito a cikin manyan nunin, haɓakar kayan epoxy da silicone tare da mafi girman juriya ga yanayi mai tsanani (zafi, danshi, UV), da haɗa ƙarin na'urori na gani na ciki masu zurfi don sarrafa katako daidai. Bugu da ƙari, ana ƙara mai da hankali kan dorewa, yana haifar da ci gaba a cikin kayan da hanyoyin masana'antu don ƙara rage tasirin muhalli. Hakanan ana inganta fasahar InGaN na asali don turawa iyakokin inganci da kuma ba da damar sabbin kewayon tsayin raƙuman ruwa don aikace-aikace na musamman.