LTST-S270KRKT SMD LED Datasheet - AlInGaP LED Ja - 20mA - 2.4V - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTST-S270KRKT babban LED ne mai haske mai ƙarfi, na Surface Mount Device (SMD) mai kallon gefe, wanda aka ƙera don aikace-aikacen lantarki na zamani waɗanda ke buƙatar haske mai aminci da inganci. Yana amfani da ingantaccen guntu na semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide), wanda aka sani da samar da ƙarfin haske mai kyau tare da tsaftar launi a cikin bakan ja. An saka na'urar a cikin daidaitaccen fakitin EIA, wanda ya sa ya dace da layukan tara da sanyawa ta atomatik da kuma daidaitattun hanyoyin gini na infrared (IR) reflow, waɗanda ke da mahimmanci ga masana'antu masu yawa. Ƙirar ruwan tabarau mai fitar da haske daga gefe (mai tsabta kamar ruwa) tana ba da damar hasken ya bi layi daidai da saman da aka saka, wanda ya dace da aikace-aikace inda sarari ya takura a tsaye, kamar a cikin allunan da aka haskaka gefe, hasken baya don maɓallin membrane, ko alamomin yanayin akan siraran na'urorin lantarki na mabukaci.

1.1 Siffofi da Fa'idodi na Asali

• Guntu na AlInGaP Mai Ƙarfin Hasken:Yana ba da ƙarfin haske mafi girma idan aka kwatanta da kayan LED na gargajiya, yana tabbatar da bayyananniyar gani.
• Fakitin Kallon Gefe:Babban fitar da haske yana daga gefen kayan, cikakke don ƙirar ceton sarari.
• Mai Bin Ka'idojin RoHS & Samfurin Kore:An yi shi ba tare da abubuwa masu haɗari kamar gubar, mercury, da cadmium ba, yana cika ka'idojin muhalli na duniya.
• Tashoshi Masu Lulluɓe da Tin:Yana haɓaka iya gini kuma yana ba da juriya mai kyau ga oxidation, yana tabbatar da ingantattun haɗin gini yayin taro.
• Abokantaka da Atomatik:Ana ba da shi akan tef ɗin 8mm da aka saka akan reels na inci 7, cikakke da dacewa da kayan aikin sanyawa ta atomatik mai sauri.
• Ana iya Gina shi da Reflow:Yana jurewa daidaitattun bayanan reflow na IR da ake buƙata don hanyoyin taron da ba su da gubar (Pb-free).

2. Ƙayyadaddun Fasaha da Fassarar Manufa

Wannan sashe yana ba da cikakken bincike na manufa game da mahimman ma'auni na lantarki, na gani, da na zafi da aka ayyana a cikin takardar bayanai. Fahimtar waɗannan ƙimomi yana da mahimmanci don ƙirar da'ira daidai da kuma tabbatar da dogon lokacin aminci.

2.1 Matsakaicin Matsakaicin Ƙididdiga

Waɗannan ƙididdiga suna wakiltar iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da shawarar aiki a ko kusa da waɗannan iyakoki don amfani na yau da kullun kuma yana iya rage tsawon rayuwar LED.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa azaman zafi. Wucewa wannan na iya haifar da zafi da gazawar bala'i.
• Matsakaicin Halin Yanzu na Gaba (I_FP):80 mA. Wannan shine matsakaicin halin yanzu na lokaci-lokaci da aka ba da izini a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms). Yana da girma sosai fiye da ƙimar DC, mai amfani don taƙaitaccen walƙiya mai ƙarfi.
• Halin Yanzu na DC na Gaba (I_F):30 mA. Wannan shine matsakaicin ci gaba da halin yanzu da aka ba da shawarar don aiki mai dogon lokaci mai aminci. Matsakaicin yanayin gwaji don ƙayyadaddun gani shine 20mA.
• Ƙarfin Lantarki na Baya (V_R):5 V. Yin amfani da ƙarfin lantarki na baya sama da wannan na iya rushe haɗin PN na LED, yana haifar da gazawar nan take. Ana ba da shawarar kariyar da'ira mai kyau (misali, diode na jerin a cikin layi daya na baya) a cikin muhallin AC ko siginar bipolar.
• Yanayin Aiki & Ajiya:-30°C zuwa +85°C / -40°C zuwa +85°C. Na'urar na iya aiki kuma ana adana ta a cikin waɗannan kewayon yanayin zafi. Aiki, musamman ƙarfin haske da ƙarfin lantarki na gaba, zai bambanta da zafin jiki.
• Yanayin Reflow na IR:260°C kololuwa na dakika 10. Wannan yana ayyana matsakaicin bayanan zafi da fakitin zai iya jurewa yayin gini ba tare da lalacewa ba.

2.2 Halayen Lantarki-Gani

An auna shi a yanayin yanayi (T_a) na 25°C, waɗannan sigogi suna ayyana aikin LED a ƙarƙashin yanayin aiki na yau da kullun.

• Ƙarfin Hasken (I_V):18.0 - 54.0 mcd (na yau da kullun 54.0 mcd) a I_F= 20mA. Wannan ma'auni ne na hasken da idon ɗan adam ke gani na LED. Faɗin kewayon min-max yana nuna buƙatar tsarin binning (duba Sashe na 3).
• Kusurwar Kallo (2θ_1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin matsakaicin ƙimarsa (a kan-axis). Kusurwar 130° tana nuna tsarin kallo mai faɗi sosai, na yau da kullun don ruwan tabarau masu fitar da haske daga gefe ba tare da ƙunƙun katako ba.
• Matsakaicin Tsawon Tsawon (λ_P):639 nm. Wannan shine tsawon tsawon da ƙarfin wutar lantarki na LED ya kasance a matsakaicinsa. Yana ayyana "launi" a cikin sharuddan zahiri.
• Matsakaicin Tsawon Tsawon (λ_d):631 nm. An samo shi daga zanen launi na CIE, wannan shine tsawon tsawon guda ɗaya wanda ya fi wakiltar launin da idon ɗan adam ke gani. Shi ne maɓalli mai mahimmanci don ƙayyadaddun launi.
• Faɗin Bakan (Δλ):20 nm. Wannan shine faɗin bakan da aka fitar a rabin matsakaicin ƙarfinsa (Cikakken Faɗi a Rabin Matsakaici - FWHM). Ƙunƙarar bandwidth tana nuna launi mai tsafta, cikakke.
• Ƙarfin Lantarki na Gaba (V_F):2.0V - 2.4V (na yau da kullun 2.4V) a I_F= 20mA. Wannan shine faɗuwar wutar lantarki a kan LED lokacin aiki. Yana da mahimmanci don ƙirar resistor mai iyakance halin yanzu a cikin jerin tare da LED. Dole ne masu ƙira su yi amfani da matsakaicin V_Fdon tabbatar da cewa ba a wuce iyakar halin yanzu ba a ƙarƙashin mafi munin yanayi.
• Halin Yanzu na Baya (I_R):10 µA matsakaici a V_R= 5V. Wannan shine ƙaramin halin yanzu na ɓarna wanda ke gudana lokacin da LED ke da karkatar da baya a cikin matsakaicin ƙimarsa.

3. Bayanin Tsarin Binning

Saboda bambance-bambancen da ke cikin masana'antar semiconductor, ana rarraba LED zuwa kwandon aiki. Wannan yana tabbatar da daidaito a cikin rukunin samarwa. LTST-S270KRKT yana amfani da tsarin binning don ƙarfin haske.

3.1 Binning na Ƙarfin Hasken

Ana rarraba LED ɗin zuwa kwandon bisa ga ƙarfin hasken da aka auna a 20mA. Kowane kwandon yana da ƙaramin ƙima da matsakaicin ƙima, tare da jurewar +/-15% a cikin kwandon. Wannan yana ba masu ƙira damar zaɓar matakin haske da ya dace don aikace-aikacensu.

• Kwandon M:18.0 - 28.0 mcd
• Kwandon N:28.0 - 45.0 mcd
• Kwandon P:45.0 - 71.0 mcd
• Kwandon Q:71.0 - 112.0 mcd
• Kwandon R:112.0 - 180.0 mcd

Tasirin Ƙira:Ga aikace-aikacen da ke buƙatar daidaiton haske a cikin LED da yawa (misali, jerin fitilun yanayi), yana da mahimmanci a ƙayyade da sayan LED daga kwandon ƙarfi ɗaya. Haɗa kwandon na iya haifar da hasken da ba a daidaita shi ba.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa masu hoto a cikin takardar bayanai (misali, Hoto 1, Hoto 6), ana iya bayyana halayensu na yau da kullun bisa ga daidaitattun ilimin kimiyyar LED.

4.1 Halin Yanzu na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V)

Dangantakar tana da ƙima. Ƙananan haɓakar wutar lantarki sama da wurin "kunna" (~1.8V don AlInGaP ja) yana haifar da babban haɓakar halin yanzu. Shi ya sa da'ira mai iyakance halin yanzu (yawanci resistor) ya zama dole; haɗa LED kai tsaye zuwa tushen wutar lantarki zai lalata shi.

4.2 Ƙarfin Hasken vs. Halin Yanzu na Gaba

Ƙarfin haske yana kusan daidai da halin yanzu na gaba har zuwa wani lokaci. Yin aiki sama da halin yanzu na DC da aka ba da shawarar (30mA) zai haifar da raguwar dawowa a cikin haske yayin da yake haifar da zafi mai yawa, yana haɓaka raguwar lumen.

4.3 Dogaro da Zafin Jiki

Yayin da zafin haɗin yake ƙaruwa:

• Ƙarfin Lantarki na Gaba (V_F):Yana raguwa kaɗan. Wannan na iya haifar da ƙaramin haɓakar halin yanzu idan aka motsa shi da tushen wutar lantarki mai ɗorewa tare da resistor na jerin.
• Ƙarfin Hasken (I_V):Yana raguwa. Yanayin zafi mai girma yana rage ingancin fitar da haske. Gudanar da zafi mai kyau (misali, isasshen yanki na tagulla na PCB) yana da mahimmanci don kiyaye daidaiton haske.
• Tsawon Tsawon (λ_d):Yana motsawa kaɗan, yawanci zuwa tsayin tsayi (ja motsi).

5. Bayanin Injiniya da Marufi

5.1 Girman Fakitin da Ƙa'idar Ƙa'ida

Takardar bayanai ta haɗa da cikakkun zane-zane na injiniya. Muhimman siffofi sun haɗa da lissafin ruwan tabarau mai kallon gefe da gano kushin anode/cathode. Ana siffanta cathode ta hanyar tsaga, koren tsiri akan tef, ko siffar kushin daban. Daidaitaccen ƙa'idar yana da mahimmanci yayin taro.

5.2 Shirin Kushin Gina da aka Ba da Shawara

An ba da shirin ƙasa mai ba da shawara (sawun kushin gini) don tabbatar da ingantaccen fillet ɗin gini da daidaitawar daidai yayin reflow. Bin wannan shawarar yana taimakawa wajen hana kabari (abu yana tsaye a ƙarshe ɗaya) kuma yana tabbatar da ƙarfin injiniya mai kyau.

5.3 Ƙayyadaddun Tef da Reel

Ana ba da kayan a cikin tef ɗin mai ɗaukar kaya (8mm pitch) akan reels na inci 7, mai bin ANSI/EIA-481.

• Guda kowace Reel: 4000
• Ƙananan Adadin Oda:Guda 500 don adadin sauran.
• Tef ɗin Murfi:Yana rufe aljihun don hana fita.
• Fitilun da Bace:Ana ba da izinin matsakaicin aljihu biyu a jere bisa ga ƙayyadaddun bayanai.

6. Jagororin Gina, Taro, da Sarrafawa

6.1 Bayanin Reflow Gina na IR

An ba da shawarar bayanan reflow don hanyoyin Pb-free, bin ka'idojin JEDEC. Muhimman sigogi sun haɗa da:

• Preheat:150-200°C har zuwa dakika 120 don haɓaka zafin jiki a hankali da kunna flux.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokaci Sama da Liquidus (TAL):Bayanan suna ba da shawarar matsakaicin lokacin zafin jiki na dakika 10 matsakaici. Yakamata a sarrafa jimillar lokaci daga ~217°C zuwa kololuwa.
• Matsakaicin Zagayowar:Kada a sanya LED sama da zagayowar reflow guda biyu.

Lura:Dole ne a siffanta ainihin bayanan don takamaiman ƙirar PCB, manna gini, da tanda da aka yi amfani da su.

6.2 Gina Hannu

Idan ginin hannu ya zama dole:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Gina:Matsakaicin dakika 3 kowane gubar.
• Iyaka:Ana ba da izinin zagayowar ginin hannu ɗaya kawai.

6.3 Tsaftacewa

Kawai yakamata a yi amfani da kaushi na tushen barasa kamar isopropyl alcohol (IPA) ko ethyl alcohol don tsaftacewa, a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Muggan ko sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na filastik da fakitin.

6.4 Kariya daga Zubar da Wutar Lantarki (ESD)

LED suna da hankali ga ESD. Kariyar sarrafawa ta zama dole:

• Yi amfani da igiyoyin wuyan hannu na ƙasa ko safar hannu masu hana tashin hankali.
• Tabbatar cewa duk tashoshin aiki, kayan aiki, da kayan aiki suna da ƙasa daidai.
• Ajiye da jigilar abubuwan a cikin marufi mai aminci na ESD.

6.5 Yanayin Ajiya

• Jaka Mai Rufi (Jaka Mai Hana Danshi - MBB):Ajiye a ≤30°C da ≤90% RH. Rayuwar shiryayye shekara ɗaya ce daga ranar rufe jakar lokacin da aka ajiye tare da desiccant.
• Bude Jaka ko Sassa Sako-sako:Ajiye a ≤30°C da ≤60% RH. Ana ba da shawarar kammala reflow na IR a cikin mako guda na buɗewa. Don ajiyar dogon lokaci, sanya sassa a cikin akwati mai rufi tare da desiccant ko a cikin desiccator na nitrogen. Yakamata a gasa sassan da aka ajiye daga MBB sama da mako guda a 60°C na aƙalla sa'o'i 20 kafin gini don cire danshin da aka sha da kuma hana "popcorning" yayin reflow.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Yanayin Aikace-aikace na Yau da Kullun

• Alamomin Yanayi:Alamomin wutar lantarki, haɗin kai, ko yanayi a cikin na'urorin lantarki na mabukaci, na'urori, da allunan sarrafa masana'antu.
• Hasken Baya:Hasken gefe don maɓallin membrane, maɓallai, ko ƙananan nunin hoto.
• Hasken Cikin Motoci:Fitilun alamomi marasa mahimmanci (suna ƙarƙashin tabbatar da zafin jiki da girgiza).
• Na'urori masu ɗaukuwa:Matakin baturi ko LED na sanarwa a cikin wayoyin hannu, kwamfutocin hannu, da na'urorin sawa (ta amfani da fasalin fitar da gefe).

7.2 Ƙirar Da'ira

Mafi yawan da'iran tuƙi shine tushen wutar lantarki (V_CC) a cikin jerin tare da resistor mai iyakance halin yanzu (R_S). Ana ƙididdige ƙimar resistor ta amfani da Dokar Ohm:
R_S= (V_CC- V_F) / I_F
Inda V_Fshine ƙarfin wutar lantarki na gaba na LED kuma I_Fshine halin yanzu na gaba da ake so (misali, 20mA).Koyaushe yi amfani da matsakaicin V_Fdaga takardar bayanai (2.4V) don wannan lissafindon tabbatar da cewa halin yanzu bai wuce manufar ƙira ba a ƙarƙashin mafi munin yanayi. Misali, tare da samar da 5V:
R_S= (5V - 2.4V) / 0.020A = 130 Ω. Daidaitaccen resistor na 130Ω ko 150Ω zai dace.

7.3 Gudanar da Zafin Jiki

Yayin da rushewar wutar lantarki ta yi ƙasa, ci gaba da aiki a yanayin zafi mai girma ko a matsakaicin halin yanzu na DC na iya haɓaka zafin haɗin. Don kiyaye aiki da tsawon rai:

• Yi amfani da isasshen yanki na tagulla akan PCB da aka haɗa zuwa kushin zafi na LED (idan akwai) ko kusa da filin ƙasa don zama mai sanyaya zafi.
• Kaucewa sanya LED kusa da wasu abubuwan da ke haifar da zafi.
• Yi la'akari da rage halin yanzu na aiki (misali, yi amfani da 15mA maimakon 20mA) a cikin yanayi mai zafi.

7.4 Iyakoki da Gargadin Aikace-aikace

Takardar bayanai ta bayyana a sarari cewa waɗannan LED ɗin an yi niyya ne donkayan aikin lantarki na yau da kullun(ofis, sadarwa, gida). Sunaba su cancanta badon aikace-aikacen da ke da mahimmanci ga aminci inda gazawar za ta iya haifar da rayuwa ko lafiya, kamar:

• Tsarin jiragen sama da sararin samaniya
• Kayan aikin sufuri da sarrafa zirga-zirga
• Na'urorin kiwon lafiya da tallafin rai
• Tsarin aminci mai mahimmanci

Don irin waɗannan aikace-aikace, dole ne a samo abubuwan da ke da ingantattun takaddun aminci masu dacewa.

8. Tambayoyin da ake yawan yi (FAQ)

8.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

Matsakaicin Tsawon Tsawon (λ_P):Tsawon tsawon zahiri inda LED ke fitar da mafi yawan ƙarfin wutar lantarki. Ana auna shi kai tsaye daga bakan.
Matsakaicin Tsawon Tsawon (λ_d):Launin da ake gani. An ƙididdige shi daga ginshiƙin launi na CIE don nemo tsawon tsawon guda ɗaya wanda ya dace da wurin launi na LED kamar yadda idon ɗan adam ke gani. Ga LED masu launi ɗaya kamar wannan ja, suna kusa amma ba iri ɗaya ba. λ_dshine mafi dacewa sigogi don ƙayyadaddun launi.

8.2 Shin Zan iya Tuƙa wannan LED da Samar da 3.3V?

Ee. Ta amfani da dabara R_S= (3.3V - 2.4V) / 0.020A = 45 Ω. Daidaitaccen resistor na 47Ω zai yi aiki. Tabbatar cewa samarwar na iya ba da halin yanzu da ake buƙata.

8.3 Me ya sa buƙatun danshin ajiya ya yi tsauri sosai bayan buɗe jakar?

Fakitin SMD na iya sha danshi daga iska. A lokacin babban yanayin zafi na reflow gini, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsa lamba na ciki wanda zai iya fashe fakitin ko raba sassan ciki—wani abu da aka sani da "popcorning" ko "damuwa da danshi." Tsarin gasa (60°C na sa'o'i 20+) yana fitar da wannan danshin da aka sha cikin aminci.

8.4 Ta yaya zan fassara lambar kwandon (misali, P) akan oda?

Lambar kwandon (M, N, P, Q, R) tana ƙayyadadden kewayon ƙarfin haske da aka garanti don LED ɗin a cikin wannan rukunin. Lokacin yin oda, zaku iya ƙayyade lambar kwandon da ake buƙata don tabbatar da samun LED tare da haske a cikin kewayon da kuke so. Idan ba a ƙayyade ba, mai siyarwa na iya jigilar kaya daga kowane kwandon da ake da shi.