LTST-C191KGKT SMD LED Takardar Bayani - 0.55mm Siriri - 2.4V Matsakaici - 75mW - Kori - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTST-C191KGKT na'urar LED ce mai hawa a saman (SMD) wacce aka tsara don haɗa allon da'ira (PCB) ta atomatik. Ƙananan girmanta da ƙananan tsarinta sun sa ya zama mai dacewa ga aikace-aikacen da ke da ƙarancin sarari a cikin nau'ikan na'urorin lantarki na masu amfani da na masana'antu.

1.1 Siffofi

• Yarjejeniya da ka'idojin muhalli na RoHS.
• Siririn fakitin da ya kai 0.55 mm kawai a tsayi.
• Yana amfani da ƙwayar semiconductor AlInGaP (Aluminum Indium Gallium Phosphide) mai ƙarfin haske don samar da hasken kore.
• An yi fakitin a kan tef ɗin 8mm wanda aka naɗe a kan reels masu diamita 7-inch don dacewa da kayan aikin ɗauka da sanyawa na atomatik mai sauri.
• Tsarin fakitin EIA (Ƙungiyar Masana'antu na Lantarki) na yau da kullun.
• Daidaitaccen shigarwar dabaru, ya dace da tuƙi kai tsaye daga da'irori masu haɗaka.
• An tsara shi don amfani da hanyoyin siyar da infrared (IR) reflow.

1.2 Aikace-aikace

Wannan LED ya dace da dalilai daban-daban na haskakawa da nuni, ciki har da:

• Hasken baya na maɓallan maɓalli, madannai, da ƙananan nuni.
• Alamun yanayi da wutar lantarki a cikin kayan aikin sadarwa, na'urori na sarrafa ofis, na'urorin gida, da tsarin sarrafa masana'antu.
• Fitilun sigina da na alama.

2. Bayanin Injiniya da Fakitin

Na'urar tana da ruwan tabarau mai tsabta wanda ke ba da damar hasken kore daga guntu AlInGaP ya fito yadda ya kamata. An ba da cikakkun zane-zane masu girma a cikin takardar bayanai, tare da duk mahimman ma'auni da aka ƙayyade a cikin milimita. Muhimman halayen fakitin sun haɗa da ƙafar ƙafa na yau da kullun wanda aka tsara don ingantaccen siyarwa da ƙananan tsari wanda ke rage girman haɗawa gabaɗaya. An yi alama a jikin na'urar daidai don daidaitaccen yanayin PCB.

3. Ma'auni na Fasaha: Cikakken Fassarar Manufa

3.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na iya faruwa ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa a matsayin zafi ba tare da lalata aiki ko amincinsa ba.
• Halin yanzu na Gaba (IF):30 mA. Matsakaicin ci gaba da halin yanzu da za a iya amfani da shi ga LED.
• Matsakaicin Halin yanzu na Gaba:80 mA, ana yarda da shi kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun jini) don cimma mafi girman fitar haske a taƙaice.
• Ƙarfin lantarki na Baya (VR):5 V. Wuce gona da iri wannan ƙarfin lantarki a cikin karkatar da baya na iya haifar da rushewar haɗin gwiwa nan da nan.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-55°C zuwa +85°C. Yana ƙayyade cikakken kewayon muhalli don aikin na'urar da ajiyar aiki.
• Yanayin Siyar da Infrared:Yana jure zafin jiki mai tsayi na 260°C na dakika 10, wanda yake da mahimmanci ga hanyoyin haɗawa marasa gubar (Pb-free).

3.2 Halayen Lantarki da na Gani

Ana auna waɗannan ma'auni a daidaitaccen yanayin gwaji na Ta=25°C da IF=20mA, suna ba da ma'auni na yau da kullun na aiki.

• Ƙarfin Hasken (Iv):Ya bambanta daga 18.0 zuwa 71.0 millicandelas (mcd). Wannan fadi ana sarrafa shi ta hanyar tsarin binning (duba Sashe na 4).
• Kusurwar Dubawa (2θ½):Digiri 130. Wannan faɗin kusurwar dubawa tana nuna tsarin fitarwa na Lambertian ko kusa da Lambertian, wanda ya dace da haskakawa yanki maimakon katakon haske.
• Matsakaicin Tsawon Tsawon Tsawon (λP):Yawanci 574.0 nm. Wannan shine tsawon zango inda rarraba ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Tsawon (λd):An ƙayyade shi tsakanin 567.5 nm da 576.5 nm. Wannan yana ayyana launin da ake gani (kore) na LED kuma yana ƙarƙashin binning.
• Rabin Faɗin Layin Bakan (Δλ):Kimanin 15 nm. Wannan yana nuna tsabtar bakan ko faɗin bandejin hasken kore da aka fitar.
• Ƙarfin lantarki na Gaba (VF):Tsakanin 1.9 V da 2.4 V a 20mA. Faɗuwar ƙarfin lantarki a kan LED lokacin aiki, yana da mahimmanci don ƙirar da'irar direba.
• Halin yanzu na Baya (IR):Matsakaicin 10 µA a VR=5V. Ma'auni na yoyon haɗin gwiwa a cikin yanayin kashewa.

4. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki. LTST-C191KGKT yana amfani da ma'auni uku masu zaman kansu na binning.

4.1 Matsayi na Ƙarfin lantarki na Gaba (Vf)

Kwandon yana tabbatar da LED suna da faɗuwar ƙarfin lantarki iri ɗaya, yana sauƙaƙa ƙirar da'irar iyakance halin yanzu. Kwandon ya bambanta daga Lamba 4 (1.90V-2.00V) zuwa Lamba 8 (2.30V-2.40V), kowanne yana da jurewar ±0.1V.

4.2 Matsayi na Ƙarfin Hasken (Iv)

Yana rarraba LED ta ƙarfin fitar haske. Lambobin sune M (18.0-28.0 mcd), N (28.0-45.0 mcd), da P (45.0-71.0 mcd), kowanne yana da jurewar ±15%.

4.3 Matsayi na Hue (Matsakaicin Tsawon Tsawon)

Yana rarraba LED ta daidaitaccen inuwar kore. Lambobin sune C (567.5-570.5 nm), D (570.5-573.5 nm), da E (573.5-576.5 nm), kowanne yana da jurewar ±1 nm.

5. Bincike na Lanƙwasa Aiki

Takardar bayanai ta haɗa da lanƙwasa halaye na yau da kullun waɗanda ke ba da zurfin fahimta game da halayen na'urar a ƙarƙashin yanayi daban-daban.

• Halin yanzu na Gaba da Ƙarfin lantarki na Gaba (Lanƙwasa I-V):Yana nuna alaƙar ma'auni, mai mahimmanci don tantance ƙarfin lantarki da ake buƙata don manufar halin yanzu.
• Ƙarfin Hasken da Halin yanzu na Gaba:Yana nuna yadda fitar haske ke ƙaruwa tare da halin yanzu, yawanci a cikin alaƙar kusa da layi a cikin kewayon aiki kafin inganci ya faɗi a halin yanzu mai yawa sosai.
• Ƙarfin Hasken da Yanayin Yanayi:Yana kwatanta raguwar zafin jiki na fitar haske. Yayin da zafin haɗin gwiwa ya tashi, ingancin haske gabaɗaya yana raguwa.
• Rarraba Bakan:Zanen ƙarfin dangi da tsawon zango, yana nuna kololuwa a ~574nm da ~15nm rabin faɗin, yana tabbatar da wurin launin kore.

6. Jagororin Siyarwa da Haɗawa

6.1 Shawararriyar Bayanin Reflow na IR (Maras Gubar)

Muhimmin tsari don haɗawa mai aminci. Bayanin ya kamata ya haɗa da yanki na pre-heat (150-200°C), gangare mai sarrafawa zuwa matsakaicin zafin jiki wanda bai wuce 260°C ba, da lokaci a matsakaicin zafin jiki (misali, 260°C) wanda aka iyakance zuwa matsakaicin dakika 10. Ya kamata a kammala duk tsarin a cikin matsakaicin lokacin pre-heat na dakika 120. Wannan bayanin ya dogara ne akan ka'idojin JEDEC don hana lalacewar zafin jiki ga fakitin LED ko mutuwa.

6.2 Ƙirar Kafet ɗin PCB

An ba da tsarin ƙasa da aka ba da shawarar don tabbatar da samuwar haɗin siyar da ya dace, daidaitawar kayan aiki, da sarrafa zafin jiki yayin reflow.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan siyarwa, kawai yakamata a yi amfani da takamaiman abubuwan narkewa na barasa kamar ethyl alcohol ko isopropyl alcohol. Yakamata a nutsar da LED a yanayin zafin jiki na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata ruwan tabarau na epoxy ko fakitin.

6.4 Ajiya da Sarrafawa

• Takaicin ESD:Na'urar tana da hankali ga zubar da lantarki (ESD). Dole ne a yi amfani da ingantattun sarrafawa na ESD (belun wuyan hannu, kayan aikin da aka kafa) yayin sarrafawa.
• Hankalin Danshi:An ƙididdige fakitin MSL2a. Da zarar an buɗe jakar kariya ta asali, dole ne a yi IR-reflow na abubuwan a cikin sa'o'i 672 (kwanaki 28) a ƙarƙashin yanayin ajiya na ≤30°C da ≤60% RH. Don ajiyar dogon lokaci daga jakar asali, ana buƙatar yin gasa a 60°C na aƙalla sa'o'i 20 kafin siyarwa.

7. Bayanin Fakitin da Oda

Ana ba da LED akan tef ɗin ɗaukar kaya mai faɗi 8mm, wanda aka rufe da tef ɗin murfi. An naɗe tef ɗin akan daidaitattun reels masu diamita 7-inch (178mm). Kowace reel tana ƙunshe da guda 5000. Fakitin ya yi daidai da ƙayyadaddun ANSI/EIA-481. Ƙananan adadin oda na guda 500 ya shafi sauran adadin.

8. Shawarwari na Aikace-aikace da La'akari da Ƙira

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

Don aiki mai aminci, dole ne a haɗa resistor mai iyakance halin yanzu a jere tare da LED. Ana iya ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (Vsupply - VF) / IF, inda VF shine ƙarfin lantarki na gaba na zaɓaɓɓen kwandon, kuma IF shine halin yanzu da ake so (kada ya wuce 30mA DC).

8.2 Gudanar da Zafin Jiki

Duk da cewa rushewar wutar lantarki yana da ƙasa, kiyaye zafin haɗin gwiwa a cikin iyakoki shine mabuɗin dogon lokaci na aminci da kwanciyar hankali na fitar haske. Tabbatar cewa ƙirar kafet ɗin PCB yana ba da isassun taimakon zafin jiki, musamman lokacin aiki a ko kusa da matsakaicin halin yanzu na gaba.

8.3 Ƙirar Gani

Kusurwar dubawa na digiri 130 tana ba da tsarin haske mai faɗi, mai watsewa. Don ƙarin haske mai mai da hankali, za a buƙaci na'urorin gani na biyu (ruwan tabarau ko jagororin haske). Ruwan tabarau mai tsabta ya dace da aikace-aikacen inda guntu LED kanta ba ta bayyana ba.

9. Kwatancen Fasaha da Bambance-bambance

Babban abubuwan banbance na LTST-C191KGKT sunesiririn tsarinsa na 0.55mmda kuma amfani daguntu AlInGaPdon fitar da kore. Idan aka kwatanta da tsofaffin fasahohi kamar GaP, AlInGaP yana ba da ingancin haske mai yawa da ingantaccen jikewa na launi. Siririn tsari shine babban fa'ida akan daidaitattun LED na guntu na 0.6mm ko 0.8mm a cikin zamani, ƙananan na'urorin masu amfani.

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

Q: Zan iya tuƙa wannan LED kai tsaye daga fitarwar dabaru na 3.3V ko 5V?

A: A'a. Dole ne ka yi amfani da resistor mai iyakance halin yanzu a jere. Wadata na 3.3V tare da VF na yau da kullun na 2.1V ya bar 1.2V a kan resistor. Don 20mA, R = 60Ω. Koyaushe yi lissafi bisa matsakaicin VF daga takamaiman kwandon don tabbatar da isassun halin yanzu.

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

A> Matsakaicin Tsawon Tsawon (λP) shine tsawon zango na zahiri na mafi girman fitarwa na bakan. Matsakaicin Tsawon Tsawon (λd) shine tsawon zango guda ɗaya na fahimta wanda ya dace da launin LED kamar yadda idon ɗan adam ya gani, wanda aka ƙididdige shi daga zanen launi na CIE. λd ya fi dacewa don ƙayyadaddun launi.

Q: Ta yaya zan fassara lambobin kwandon lokacin yin oda?

A> Kuna iya ƙayyade haɗin lambobin kwandon Vf, Iv, da λd don samun LED tare da ƙungiyoyin halayen lantarki da na gani masu ƙarfi, wanda ke da mahimmanci don daidaitaccen aiki a cikin jerin LED masu yawa ko aikace-aikacen hasken baya.

11. Misalin Amfani na Aiki

Yanayi: Ƙirar alamar yanayi mai ƙarancin wutar lantarki don na'urar ɗaukar hoto.

Na'urar tana gudana akan batir tsabar kuɗi na 3.0V. Manufar ita ce alama mai tsabta, kore. An zaɓi halin yanzu na 10mA don daidaita haske da rayuwar baturi. Da yake ɗauka kwandon VF na 5 (2.05V na yau da kullun), an ƙididdige resistor na jere: R = (3.0V - 2.05V) / 0.01A = 95Ω. Za a yi amfani da resistor na yau da kullun na 100Ω, wanda zai haifar da halin yanzu na ~9.5mA. Kwandon Iv na M ko N zai ba da isassun haske a wannan halin yanzu. Tsayin 0.55mm yana ba shi damar shiga cikin wani siririn siriri.

12. Gabatarwar Ka'idar Aiki

Fitar haske a cikin wannan LED na AlInGaP ya dogara ne akan electroluminescence a cikin haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, ana shigar da electrons da ramuka a kan haɗin gwiwa kuma suna sake haɗuwa a cikin yanki mai aiki. Makamashin da aka saki yayin wannan sake haɗuwa ana fitar da shi azaman photons (haske). Takamaiman abun da ke cikin gami na semiconductor AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsawon zango (launi) na hasken da aka fitar, a wannan yanayin, kore. Ruwan tabarau na epoxy mai tsabta yana haɗawa da kare mutuwar semiconductor yayin da kuma yana siffanta tsarin fitar haske.

13. Trends na Fasaha

Ci gaban SMD LED kamar LTST-C191KGKT yana bin mahimman abubuwan da suka shafi masana'antu da yawa:Ƙananan(fakitoci masu siriri, ƙanana),Ƙara Ingantaccen Aiki(mafi girman fitar haske a kowace raka'a na shigarwar lantarki, wanda ingantaccen girma na epitaxial da ƙirar guntu ke motsa shi), daƘara Aminci(mafi kyawun kayan fakitin da hanyoyin don jure mafi girman zafin reflow da mawuyacin yanayin muhalli). Matsi zuwa AlInGaP don kore wani ɓangare ne na babban canji daga tsofaffin kayan aiki masu ƙarancin inganci zuwa manyan masu haɗin gwiwar semiconductor a duk faɗin bakan da ake iya gani.