Takardar Bayanin Fasaha na SMD LED LTST-E142TBKRKT - LED Mai Launuka Biyu (Shuɗi/Jajaye) - 20-30mA - 75-76mW - Takardar Fasaha ta Hausa

1. Bayanin Samfurin Gabaɗaya

LTST-E142TBKRKT na'urar LED ce da aka ƙera don haɗa allon da'ira (PCB) ta atomatik. Tana da tsarin launuka biyu, wanda ya haɗa da guntun LED na shuɗi da na jajaye a cikin fakitin guda ɗaya mai ƙarami. Wannan ƙira tana da fa'ida musamman ga aikace-aikacen da ke da ƙarancin sarari kuma ana buƙatar ayyuka masu yawa na nuni. An ƙera kayan don dacewa da tsarin haɗa guntun IR na yau da kullun, wanda ya sa ya dace da yanayin masana'antu masu yawan kayan.

1.1 Fa'idodi na Asali

• Ƙaramin Ƙafafu:Fakitin SMD yana ba da damar tsarin shimfidar PCB mai yawan girma, yana adana sararin allo mai mahimmanci.
• Ayyukan Launuka Biyu:Ya ƙunshi hanyoyin haske guda biyu (Shuɗi da Jajaye) a cikin na'ura ɗaya, yana sauƙaƙa ƙira da rage adadin sassa.
• Dacewa da Sarrafa Kansa:An tattara shi a cikin tef na milimita 8 akan reels na inci 7, yana dacewa gaba ɗaya da kayan aikin ɗauka da sanyawa ta atomatik.
• Daidaitawa da Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Ƙarfin Tsari:Yana jurewa shirye-shiryen zuwa matakin JEDEC 3 kuma yana dacewa da bayanan guntun da ba shi da gubar.

1.2 Kasuwanni da Aikace-aikacen Manufa

Wannan LED yana da fa'ida da yawa kuma ana amfani da shi a cikin nau'ikan kayan lantarki masu yawa. Ayyukansa na farko sun haɗa da nuna matsayi, hasken sigina da alama, da hasken baya na gaban allon. Kasuwannin manufa sun haɗa da kayan aikin sadarwa, tsarin sarrafa ofis, kayan aikin gida, da kayan aikin masana'antu daban-daban inda ingantaccen nuni na gani mai ƙarami ya zama dole.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaicin Ƙima

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ga LED shuɗi, matsakaicin ci gaba na yanzu shine 20mA tare da ɓarnawar wutar lantarki na 76mW. LED jajaye na iya ɗaukar ci gaba mai ɗan girma na 30mA tare da ɓarnawar wutar lantarki na 75mW. Dukansu suna raba matsakaicin ƙimar ci gaba na yanzu na 80mA a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). An ƙayyade kewayon zafin jiki da ajiya daga -40°C zuwa +100°C, yana nuna dacewa ga yanayi mai tsanani.

2.2 Halayen Zafi

Sarrafa zafi yana da mahimmanci ga tsawon rayuwar LED. Matsakaicin zafin haɗin gwiwa (Tj) na guntu biyu shine 140°C. Matsakaicin juriyar zafi daga haɗin gwiwa zuwa iska (Rθja) shine 145°C/W. Wannan ma'auni yana da mahimmanci don ƙididdige ƙirar zafin PCB da ake buƙata (misali, yankin kushin tagulla) don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci yayin aiki, musamman a manyan hanyoyin tuƙi.

2.3 Halayen Lantarki da Na Gani

Waɗannan su ne ma'auni na aiki da aka auna a ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C, IF=20mA).

• Ƙarfin Hasken (Iv):LED shuɗi yana da mafi ƙarancin ƙarfi na 140mcd kuma matsakaici na 420mcd. LED jajaye ya bambanta daga 90mcd zuwa 280mcd. Ana sarrafa wannan faɗin kewayon ta hanyar tsarin rarrabawa.
• Kusurwar Dubawa (2θ1/2):Matsakaicin kusurwar dubawa shine digiri 120, yana ba da tsarin fitar da haske mai faɗi, mai faɗi wanda ya dace da aikace-aikacen nuni.
• Tsawon Tsawon:Matsakaicin tsawon zango (λd) na LED shuɗi ya bambanta daga 465nm zuwa 475nm, tare da matsakaicin fitarwa (λp) a 468nm. Matsakaicin tsawon zango na LED jajaye ya bambanta daga 623nm zuwa 638nm, tare da matsakaici a 639nm. Rabin faɗin bakan sune 25nm (shuɗi) da 15nm (jajaye), suna nuna tsaftar launi.
• Ƙarfin Ci Gaba (Vf):A 20mA, Vf na LED shuɗi yana tsakanin 2.8V da 3.8V, yayin da na LED jajaye yana tsakanin 1.7V da 2.5V. Wannan bambance-bambancen yana da mahimmanci ga ƙirar da'ira, musamman lokacin tuƙi dukansu launuka daga tushen wutar lantarki guda.
• Ci Gaba na Baya (Ir):Matsakaicin ci gaba na baya a VR=5V shine 10µA ga duka biyun. Takardar bayanin ta bayyana a sarari cewa ba a ƙera na'urar don aikin baya ba; wannan gwajin don cancantar IR ne kawai.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin cikin kwandon shara.

3.1 Rarrabawar Ƙarfin Hasken (Iv)

Ana rarraba LED shuɗi zuwa lambobin P, Q, R, da S, tare da kewayon ƙarfi daga 140-185mcd har zuwa 315-420mcd. LED jajaye suna amfani da lambobin Q2, R1, R2, S1, da S2, suna rufe kewayon daga 90-112mcd har zuwa 224-280mcd. Tolerancin ±11% yana aiki a cikin kowane kwandon shara.

3.2 Rarrabawar Matsakaicin Tsawon Zango (Wd)

Ga LED shuɗi kawai, an ayyana kwandon shara na tsawon zango: lambar AC (465-470nm) da lambar AD (470-475nm), tare da ƙaramin tolerancin ±1nm a kowane kwandon shara. Wannan sarrafa daidai yana da mahimmanci ga aikace-aikacen da ke buƙatar takamaiman launukan shuɗi.

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nuni zuwa lanƙwasa na yau da kullun don halayen lantarki da na gani. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutun da aka bayar ba, yawanci sun haɗa da:

• Lanƙwasa IV:Yana nuna alaƙar tsakanin ci gaba na yanzu (If) da ƙarfin ci gaba (Vf) ga kowane launi. Ana amfani da wannan don tantance wurin aiki da juriya na jerin da ake buƙata.
• Dangantakar Ƙarfin Hasken da Ci Gaba na Yanzu:Yana kwatanta yadda fitar da haske ke ƙaruwa tare da yanzu, har zuwa matsakaicin ƙima.
• Dangantakar Ƙarfin Hasken da Zafin Yanayi:Yana nuna raguwar fitar da haske yayin da zafin haɗin gwiwa ya tashi, yana nuna mahimmancin ƙirar zafi.
• Rarraba Bakan:Yana nuna ƙarfin haske mai dangi da tsawon zango, yana nuna kololuwa da siffar bakan fitarwa ga kowane launi.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

LED yana zuwa a cikin daidaitaccen fakitin EIA. An ba da duk mahimman girma (tsayi, faɗi, tsayi, tazarar jagora) a cikin milimita tare da ƙaramin tolerancin ±0.2mm. An ayyana aikin fil a sarari: Fil 2 da 3 na guntun shuɗi ne, kuma fil 1 da 4 na guntun jajaye ne. Wannan bayanin yana da mahimmanci ga ƙirar ƙafafun PCB.

5.2 Shawararriyar Kushin Haɗa PCB

An ba da shawarar tsarin ƙasa don tabbatar da ingantaccen guntun, kwanciyar hankali na injiniya, da ingantaccen aikin zafi. Bin wannan jagorar yana taimakawa hana kabari da kuma tabbatar da ingantattun haɗin lantarki.

6. Jagororin Guntun da Haɗawa

6.1 Bayanin Guntun IR Reflow

An haɗa da shawarar bayanan sake kunnawa wanda ya dace da J-STD-020B don hanyoyin da ba su da gubar. Mahimman ma'auni sun haɗa da zafin jiki na farko na 150-200°C, matsakaicin zafin jiki bai wuce 260°C ba, da jimlar lokacin da ya wuce ruwa wanda aka keɓance don tabbatar da ingantaccen samuwar haɗin guntun ba tare da fallasa LED ga matsanancin damuwa na zafi ba.

6.2 Yanayin Ajiya

An tilasta yanayin ajiya mai tsauri saboda damuwa na danshi na fakitin (Mataki 3). Ya kamata a adana reels da ba a buɗe ba a ≤30°C da ≤70% RH kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe jakar shinge na danshi, ya kamata a adana kayan a ≤30°C da ≤60% RH kuma a yi guntun sake kunnawa cikin sa'o'i 168. Idan wannan taga ya wuce, ana buƙatar gasa a 60°C na awanni 48 kafin haɗawa.

6.3 Tsaftacewa

Idan tsaftacewa ya zama dole bayan guntun, kawai takamaiman abubuwan kaushi na barasa kamar ethyl alcohol ko isopropyl alcohol ya kamata a yi amfani da su a zafin daki na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata fakitin LED.

7. Bayanin Tattarawa da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana samar da kayan akan tef mai faɗin milimita 8 da aka yi wa igiya akan reels mai diamita inci 7 (178mm). Kowane reel yana ƙunshe da guda 4000. An ba da cikakkun girma don aljihun tef da reel don tabbatar da dacewa da kayan haɗawa ta atomatik. Tattarawar ta bi ƙayyadaddun ANSI/EIA 481.

8. Shawarwari na Aikace-aikace

8.1 Da'irori na Aikace-aikace na Yau da Kullun

Lokacin ƙirar da'irar tuƙi, dole ne a yi la'akari da bambancin ƙarfin ci gaba na guntu shuɗi da jajaye. Ƙirar gama gari tana amfani da tushen yanzu na dindindin ko tushen wutar lantarki tare da resistor mai iyakance yanzu a cikin jerin tare da kowane anode LED. Ana iya haɗa cathode na LED biyu zuwa ƙasa. Ana samun sarrafa kowane launi da kansu ta hanyar sauya wutar lantarki zuwa anodes ɗin su.

8.2 Abubuwan Tunani na Ƙira

• Iyakance Yanzu:Koyaushe yi amfani da resistor na jerin ko sarrafa yanzu mai aiki don hana wuce matsakaicin ci gaba na DC (20mA don shuɗi, 30mA don jajaye).
• Ƙirar Zafi:Yi amfani da shimfidar kushin PCB da aka ba da shawarar kuma tabbatar da isasshen yanki na tagulla don watsar da zafi, musamman idan ana aiki kusa da matsakaicin ƙima ko a cikin yanayin zafi mai girma.
• Kariya ta ESD:Duk da yake ba a bayyana a sarari ba, ya kamata a kiyaye matakan kariya na ESD na yau da kullun yayin sarrafawa.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambance-bambancen wannan ɓangaren yana cikin ƙirarsa mai launuka biyu, ƙira ɗaya. Idan aka kwatanta da amfani da LED SMD daban-daban guda biyu, yana rage ƙafafun PCB da kusan kashi 50%, yana sauƙaƙa lissafin kayan (BOM), kuma yana buƙatar aikin ɗauka da sanyawa ɗaya kawai yayin haɗawa, yana ƙara yawan fitarwa. Faɗin kusurwar dubawa na digiri 120 siffa ce ta yau da kullun don LED irin na nuni, yana ba da kyakkyawar ganin kashe-axis.

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

Q: Shin zan iya tuƙi LED shuɗi da jajaye lokaci guda daga tushen yanzu ɗaya?

A: Ba kai tsaye a cikin da'ira mai sauƙi ba, saboda bambancin halayen ƙarfin ci gaba. Za su buƙaci hanyoyin iyakance yanzu daban-daban (misali, resistors ɗaya) don tabbatar da kowane yana karɓar daidaitaccen yanzu.

Q: Menene ma'anar lambobin kwandon shara a cikin lambar sashi?

A> Lambar sashi LTST-E142TBKRKT mai yiwuwa ta haɗa da ƙayyadaddun lambobin kwandon shara don ƙarfi da tsawon zango. Don takamaiman ayyukan da ke buƙatar daidaitaccen launi ko daidaiton haske, injiniyoyi ya kamata su tuntubi cikakkun teburan rarrabawa (sashe na 4.1 da 4.2) kuma suna iya buƙatar ƙayyadad da takamaiman lambobin kwandon shara lokacin yin oda.

Q: Shin wannan LED ya dace da aikace-aikacen waje?

A: Kewayon zafin aiki (-40°C zuwa +100°C) yana nuna zai iya ɗaukar faɗuwar yanayi mai faɗi. Duk da haka, takardar bayanin ba ta ƙayyade ƙimar shigarwa (IP) ba. Don amfani da waje, ƙarin rufin muhalli (lulluɓi, akwati) zai zama dole don kariya daga danshi da ƙura.

11. Yanayin Amfani na Aiki

Yanayi: Nuna Matsayi na Yanayi Biyu akan Router na Cibiyar Sadarwa.LTST-E142TBKRKT guda ɗaya na iya nuna yanayin tsarin da yawa: Kashe (babu wutar lantarki), Shuɗi Mai Ƙarfi (tsarin yana aiki kuma yana aiki da kyau), Jajaye Mai Ƙarfi (kuskuren tsarin ko booting), da Jajaye Mai Kyalkyali (aikin cibiyar sadarwa ko takamaiman laifi). Wannan yana haɗa abin da zai iya buƙatar LED daban-daban guda biyu zuwa ɗaya, yana ƙirƙirar ƙira mai tsabta ta gaban allon. Da'irar tuƙi za ta ƙunshi fil GPIO guda biyu daga microcontroller, kowane an haɗa shi ta hanyar resistor mai dacewa mai iyakance yanzu zuwa anode na launin LED ɗaya, tare da cathode gama gari ya kasa.

12. Gabatarwar Ka'ida

Fitar da haske a cikin LED yana dogara ne akan electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin ci gaba a kan haɗin p-n, electrons da ramuka suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Launin hasken yana ƙaddara ta hanyar makamashin bandgap na kayan semiconductor. LED shuɗi yana amfani da guntun Indium Gallium Nitride (InGaN), wanda ke da faɗin bandgap, yana samar da hasken shuɗi mai ƙarfi (gajeren zango). LED jajaye yana amfani da guntun Aluminum Indium Gallium Phosphide (AlInGaP), wanda ke da ƙaramin bandgap, yana samar da hasken jajaye mai ƙarancin makamashi (tsawon zango). Fakitin ya haɗa da ruwan tabarau mai tsabta wanda ke siffanta fitar da haske zuwa ƙayyadadden kusurwar dubawa.

13. Trends na Ci Gaba

Yanayin gabaɗaya a cikin LED SMD don nuni da hasken baya yana ci gaba zuwa mafi inganci (ƙarin fitar da haske a kowace watt na shigarwar lantarki), ƙara ƙarami, da haɗin kai mafi girma. Fakitin guntu masu yawa (kamar wannan na'urar mai launuka biyu) har ma da fakitin RGB (Jajaye-Kore-Shuɗi) suna zama mafi yawanci, suna ba da damar shirye-shiryen launi cikakke a cikin ƙaramin ƙafafu. Bugu da ƙari, ci gaba a cikin kayan marufi da fasahar phosphor suna inganta inganci, daidaiton launi, da juriya ga damuwa na zafi da muhalli. Tuƙin ƙarancin amfani da wutar lantarki a cikin duk na'urorin lantarki kuma yana tura masu kera LED don haɓaka abubuwan da ke ba da haske da ake buƙata a ƙananan igiyoyin ruwa.