Bayanin Fasaha na LED LTST-E682TBTGWT - LED Mai Launuka Biyu (Kore/Shuɗi) - 20mA - 76mW - Takardun Fasaha na Hausa

1. Bayani Game da Samfurin

Wannan takarda ta ba da cikakken bayani game da ƙayyadaddun bayanai na LED mai launuka biyu wanda ake haɗawa ta hanyar Surface-Mount Device (SMD). An ƙera wannan ɓangaren don haɗawa ta atomatik a kan allon da'ira (PCB) kuma ya dace da aikace-aikacen da ke da ƙarancin sarari. Yana da ruwan tabarau mai yaduwa kuma ya ƙunshi guntun LED guda biyu daban-daban a cikin fakitin guda ɗaya: ɗayan yana fitar da hasken shuɗi ɗayan kuma yana fitar da hasken kore.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Illa).
• Ana marufi a cikin tef mai girman 8mm akan reels masu diamita inci 7 don haɗawa ta atomatik ta hanyar ɗauka da sanyawa.
• Tsarin fakitin EIA (Ƙungiyar Masana'antar Lantarki) na yau da kullun.
• Matakan tuƙi masu dacewa da Integrated Circuit (IC).
• Ya dace gaba ɗaya da kayan aikin sanyawa ta atomatik na yau da kullun.
• Ya dace da amfani da hanyoyin haɗa ƙarfe ta infrared (IR) reflow.
• An riga an shirya shi zuwa Matakin Hatsarin Danshi na JEDEC (Kwamitin Injiniyan Kayan Lantarki) 3.

1.2 Ayyuka

An yi wannan LED ne don ɗimbin kayan aikin lantarki inda ake buƙatar ƙaramin girma da ingantaccen aiki. Yankunan aikace-aikacen yau da kullun sun haɗa da:

• Na'urorin sadarwa (misali, wayoyin maras igiya, wayoyin hannu).
• Kayan aikin sarrafa ofis (misali, kwamfutocin tebur, tsarin hanyar sadarwa).
• Kayan aikin gida da na'urorin lantarki na masu amfani.
• Na'urorin sarrafa masana'antu da na'urorin aunawa.
• Alamun matsayi da wutar lantarki.
• Hasken sigina da alama (misali, maɓallan da ke haskakawa a baya, gumaka).
• Haskakawa na gaban allon.

2. Girman Fakitin da Tsarin Ƙafar

Ana ajiye LED ɗin a cikin ƙaramin fakitin SMD. An ba da cikakkun zane-zanen injina tare da ma'auni a cikin milimita (da inci) a cikin takardar tushe. Matsakaicin iyaka ga yawancin ma'auni shine ±0.2 mm (±0.008").

Tsarin Ƙafar:

• Guntun LED Shuɗi:An haɗa shi da ƙafafu 1 da 2.
• Guntun LED Kore:An haɗa shi da ƙafafu 3 da 4.

Wannan tsarin ƙafar mai zaman kansa yana ba da damar sarrafa launuka biyu daban, yana ba da damar nuna launi a tsaye ko mai motsi.

3. Ƙididdiga da Halaye

3.1 Matsakaicin Ƙididdiga na Gabaɗaya

An ƙayyade ƙididdiga a yanayin zafin muhalli (Ta) na 25°C. Wucewa waɗannan ƙimar na iya haifar da lalacewa na dindindin.

• Rushewar Wutar Lantarki (Pd):76 mW (na duka Shuɗi da Kore).
• Matsakaicin Halin Yanzu na Gaba (I_F(peak)):80 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms).
• Ci gaba da DC Halin Yanzu na Gaba (I_F):20 mA.
• Kewayon Zafin Aiki:-40°C zuwa +100°C.
• Kewayon Zafin Ajiya:-40°C zuwa +100°C.

3.2 Halayen Lantarki da Na Gani

Ana auna ma'auni na aiki na yau da kullun a Ta=25°C tare da halin yanzu na gaba (I_F) na 20mA, sai dai idan an faɗi daban.

Halayen Gani:

• Ƙarfin Hasken (I_V):
  • Shuɗi: Mafi ƙanƙanta 210 mcd, Na yau da kullun, Matsakaici 475 mcd.
  • Kore: Mafi ƙanƙanta 850 mcd, Na yau da kullun, Matsakaici 1860 mcd.
• Kusurwar Dubawa (2θ_1/2):Yawanci digiri 120 ga duka launuka biyu. Wannan faɗin kusurwar dubawa siffa ce ta ruwan tabarau mai yaduwa, yana ba da mafi daidaitaccen rarraba haske.
• Tsawon Zango Mai Kololuwa (λ_P):
  • Shuɗi: Yawanci 468 nm.
  • Kore: Yawanci 518 nm.
• Tsawon Zango Mai Rinjaye (λ_d):
  • Shuɗi: Kewayon daga 460 nm zuwa 475 nm.
  • Kore: Kewayon daga 515 nm zuwa 530 nm.
• Rabin Faɗin Layin Bakan (Δλ):
  • Shuɗi: Yawanci 25 nm.
  • Kore: Yawanci 35 nm.

Halayen Lantarki:

• Ƙarfin Lantarki na Gaba (V_F):
  • Shuɗi: Kewayon daga 2.8 V zuwa 3.8 V.
  • Kore: Kewayon daga 2.8 V zuwa 3.8 V.
• Halin Yanzu na Baya (I_R):Matsakaici 10 μA a ƙarfin lantarki na baya (V_R) na 5V.Lura:Ba a ƙera na'urar don aiki a cikin karkatar da baya ba; wannan ma'auni ne kawai don dalilai na gwaji.

4. Tsarin Rarraba (Binning)

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED ɗin zuwa kwandon shara bisa mahimman ma'auni na gani. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatun launi da haske don aikace-aikacensu.

4.1 Rarraba Ƙarfin Hasken (I_V)

Ana rarraba LED ɗin ta hanyar auna ƙarfin haskensu a 20mA.

Kwandon LED Shuɗi:

• S2:210 - 275 mcd
• T1:275 - 360 mcd
• T2:360 - 475 mcd

Kwandon LED Kore:

• V1:850 - 1100 mcd
• V2:1100 - 1430 mcd
• W1:1430 - 1860 mcd

Matsakaicin iyaka ga kowane kwandon ƙarfi shine ±11%.

4.2 Rarraba Tsawon Zango Mai Rinjaye (λ_d)

Hakanan ana rarraba LED ɗin ta hanyar tsawon zangonsu mai rinjaye, wanda ke ayyana launin da ake gani.

Kwandon Tsawon Zango na LED Shuɗi:

• AB1:460 - 465 nm
• AB2:465 - 470 nm
• AB3:470 - 475 nm

Kwandon Tsawon Zango na LED Kore:

• AG1:515 - 520 nm
• AG2:520 - 525 nm
• AG3:525 - 530 nm

Matsakaicin iyaka ga kowane kwandon tsawon zango shine ±1 nm.

4.3 Haɗaɗɗun Lambobin Bin

An ba da tebur mai kwatance wanda ya haɗa duka kwandon ƙarfi da tsawon zango zuwa lambar haruffa guda ɗaya (misali, A1, C4). Yawanci ana yiwa wannan lambar alama a kan marufin samfurin ko alamar reel, yana ba da damar tantance halayen aikin LED ɗin daidai.

5. Jagororin Haɗawa da Haɗa Ƙarfe

5.1 Bayanan Haɗa Ƙarfe ta Hanyar Reflow

An ba da shawarar bayanan haɗa ƙarfe ta infrared (IR) reflow don hanyoyin haɗa ƙarfe maras gubar (Pb-free), daidai da ma'aunin J-STD-020B. Manyan ma'auni na wannan bayanan sun haɗa da:

• Zafin Rigakafin:150°C zuwa 200°C.
• Lokacin Rigakafin:Matsakaicin dakika 120.
• Matsakaicin Zazzabi:Matsakaicin 260°C.
• Lokacin Sama da Liquidus:Kamar yadda aka bayar a cikin lanƙwan bayanan.
• Jimlar Lokacin Haɗa Ƙarfe:Matsakaicin dakika 10 a matsakaicin zazzabi. Ya kamata a yi reflow mafi yawan sau biyu kawai.

Don haɗa ƙarfe da hannu tare da ƙarfe, zafin ƙarshen bai kamata ya wuce 300°C ba, kuma lokacin haɗuwa ya kamata a iyakance ga matsakaicin dakika 3, sau ɗaya kawai.

5.2 Tsarin PCB Pad da Ake Ba da Shawara

An kwatanta tsarin ƙasa (sawun ƙafa) da ake ba da shawara don PCB don tabbatar da ingantaccen samuwar haɗin gwiwa da kwanciyar hankali na injiniya yayin da kuma bayan aikin reflow. Bin wannan tsarin da ake ba da shawara yana taimakawa hana "tombstoning" kuma yana tabbatar da ingantaccen haɗin thermal da lantarki.

5.3 Tsaftacewa

Idan tsaftacewa bayan haɗa ƙarfe ya zama dole, kawai ya kamata a yi amfani da takamaiman kaushi. Ana iya nutsar da LED ɗin a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya. Yin amfani da sinadarai da ba a ƙayyade ba na iya lalata fakitin LED ko ruwan tabarau.

6. Bayanan Marufi

Ana ba da LED ɗin a cikin tsarin tef-da-reel wanda ya dace da manyan kayan aikin haɗawa ta atomatik mai sauri.

• Faɗin Tef:8 mm.
• Diamita na Reel:inci 7.
• Adadin Kowane Reel:Guda 2000.
• Mafi ƙarancin Adadin Oda (MOQ) na Rago:Guda 500.
• Marufin ya yi daidai da ƙayyadaddun ANSI/EIA-481. Ana rufe ɓangarorin fanko a cikin tef tare da tef ɗin rufi.

7. Gargaɗin Sarrafawa da Ajiya

7.1 Hatsarin Danshi

An ƙididdige wannan LED a Matakin Hatsarin Danshi (MSL) 3. A matsayin na'urar mai saurin kamuwa da danshi, sarrafa daidai yana da mahimmanci don hana "popcorning" ko rabuwa yayin haɗa ƙarfe ta reflow.

• Marufi Mai Rufi:LED ɗin a cikin asali, buhun shinge na danshi da ba a buɗe ba (tare da desiccant) ya kamata a adana shi a ≤30°C da ≤70% Danshin Dangi (RH). Shawarar "rayuwar bene" daga ranar rufe buhun shekara ɗaya ce.
• Marufi da aka Buɗe:Da zarar an buɗe buhun, dole ne a yi amfani da LED ɗin cikin sa'o'i 168 (kwanaki 7) idan yanayin ajiyar muhalli bai wuce 30°C / 60% RH ba.
• Ajiya Mai Tsayi (A waje da Buhun):Don ajiya fiye da sa'o'i 168, ya kamata a adana LED ɗin a cikin akwati mai rufi tare da desiccant ko a cikin desiccator na nitrogen.
• Rebaking:Abubuwan da aka fallasa fiye da iyakar sa'o'i 168 dole ne a gasa su a kusan 60°C na aƙalla sa'o'i 48 kafin a yi musu haɗa ƙarfe ta reflow don cire danshin da aka sha.

7.2 Bayanan Aikace-aikace

An ƙera wannan samfurin don amfani a cikin daidaitattun kayan aikin lantarki na kasuwanci da na masana'antu. Don aikace-aikacen da ke buƙatar ingantaccen aminci na musamman ko inda gazawar zai iya haifar da haɗari ga aminci (misali, jirgin sama, tallafin rayuwa na likita, sarrafa sufuri), takamaiman cancanta da tuntuɓar masana'anta sun zama dole kafin ƙira.

8. Abubuwan Ɗauka Lokacin Ƙira da Juyoyin Aiki na Yau da Kullun

Takardar tushe ta ƙunshi juyoyin halaye da yawa waɗanda ke da mahimmanci don ƙirar da'ira da fahimtar aiki a ƙarƙashin yanayi daban-daban. Waɗannan yawanci sun haɗa da:

• Halin Yanzu na Gaba vs. Ƙarfin Lantarki na Gaba (I_F-V_F):Yana nuna alaƙa tsakanin halin yanzu na tuƙi da faɗuwar ƙarfin lantarki a kan LED. Wannan yana da mahimmanci don ƙirar da'irar iyakance halin yanzu.
• Ƙarfin Hasken vs. Halin Yanzu na Gaba (I_V-I_F):Yana kwatanta yadda fitar da haske ke ƙaruwa tare da halin yanzu na tuƙi. Yana taimakawa tantance wurin aiki don hasken da ake so.
• Ƙarfin Hasken vs. Zafin Muhalli (I_V-T_a):Yana nuna raguwar fitar da haske yayin da zafin muhalli ya tashi. Wannan yana da mahimmanci ga aikace-aikacen da ke aiki a cikin yanayi mai zafi.
• Rarraba Bakan:Jadawali da ke nuna ƙarfin haske na dangi a faɗin tsayin zango daban-daban, wanda ya ta'allaka ne a kusa da tsayin zango mai kololuwa. Wannan yana ayyana tsaftar launin LED.

Lokacin ƙirar da'irar tuƙi, dole ne a yi la'akari da kewayon ƙarfin lantarki na gaba (V_F) da shawarar halin yanzu na gaba na DC na 20mA. Gabaɗaya ana fifita tuƙi mai ƙayyadaddun halin yanzu akan tuƙi mai ƙayyadaddun ƙarfin lantarki tare da resistor na jerin don mafi kyawun kwanciyar hankali da tsawon rai, musamman lokacin aiki a cikin faɗin kewayon zazzabi ko lokacin da ake buƙatar sarrafa haske daidai. Ƙafafun masu zaman kansu na guntun shuɗi da kore suna ba da damar tsare-tsaren sarrafawa masu sassauƙa, kamar ƙyallen ido masu canzawa, gauraye launuka (idan ana tuƙa su lokaci guda a ƙarfi daban-daban), ko alamun matsayi ɗaya.

9. Kwatance da Jagorar Zaɓi

Babban abin da ya bambanta wannan ɓangaren shine haɗa launuka biyu daban-daban na LED (shuɗi da kore) a cikin ƙaramin fakitin SMD guda ɗaya. Wannan yana ba da tanadin sarari mai mahimmanci akan PCB idan aka kwatanta da amfani da LED guda biyu masu launi ɗaya. Faɗin kusurwar dubawa na digiri 120 da ruwan tabarau mai yaduwa ya bayar ya sa ya dace da aikace-aikacen da ake buƙatar ganin alamar daga faɗin hangen nesa.

Lokacin zaɓar lambar bin, dole ne masu ƙira su daidaita farashi da aiki. Ƙunƙun kwandon shara (misali, takamaiman tsawon zango da babban haske) na iya ɗaukar farashi amma suna tabbatar da daidaiton gani a cikin samfuran ƙarshe, wanda ke da mahimmanci ga nuni na ɗimbin na'urori ko allunan matsayi. Tsarin rarraba da aka bayar yana ba da damar zaɓi daidai don dacewa da buƙatun aikace-aikace na duka launi da ƙarfin haske.

10. Tambayoyi da Yawa Dangane da Ma'auni na Fasaha

Q: Shin zan iya tuƙa LED ɗin shuɗi da kore lokaci guda?
A: I, tun da suna da ƙafafu masu zaman kansu (1,2 don shuɗi; 3,4 don kore), zaku iya tuƙa su daban ko lokaci guda. Tabbatar cewa ba a wuce jimlar rushewar wutar lantarki don fakitin ba idan duka biyun suna kan cikakken halin yanzu.

Q: Menene bambanci tsakanin Tsawon Zango Mai Kololuwa da Tsawon Zango Mai Rinjaye?
A: Tsawon Zango Mai Kololuwa (λ_P) shine tsawon zango inda mafi girman ƙarfin hasken da aka fitar yake. Tsawon Zango Mai Rinjaye (λ_d) shine tsawon zango guda ɗaya wanda idon ɗan adam ke gani wanda ya dace da launin LED. λ_dya fi dacewa don ƙayyadaddun launi a cikin aikace-aikacen gani.

Q: Me ya sa ake ƙayyade halin yanzu na baya (I_R) idan ba a ƙera na'urar don aikin baya ba?
A: Ƙayyadaddun I_Rma'auni ne na inganci da gwajin ɗigon ruwa. Yana tabbatar da cewa guntun LED da fakitin suna da keɓancewa daidai. A cikin ƙirar da'ira, ya kamata a ɗauki matakan kariya (kamar diode na kariya a layi daya) don gujewa fallasa LED ga ƙarfin lantarki na baya.

Q: Yaya mahimmanci bin rayuwar bene na sa'o'i 168 bayan buɗe buhun?
A: Yana da matukar mahimmanci ga aminci. Danshin da fakitin filastik ya sha na iya yin tururi da sauri yayin aikin haɗa ƙarfe na reflow mai zafi, yana haifar da tsagewa na ciki ko rabuwa ("popcorning"). Bin jagororin sarrafa MSL 3 yana da mahimmanci don hana gazawar haɗin gwiwa.