Bayanin Fasaha na Nunin LED na LTS-4817CTB-P - Tsayin Lamba 0.39-inch - InGaN Blue - Ƙarfin Gaba 3.8V - Ikon 70mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTS-4817CTB-P na'urar da ake hawa a saman (SMD) ce da aka tsara a matsayin nunin lamba guda. Babban aikinta shine samar da bayanin haruffa ko lambobi masu haske da aminci a cikin kayan lantarki. Babban abin da ake amfani da shi shine kayan semiconductor na Indium Gallium Nitride (InGaN) da aka girma akan tushen sapphire don samar da hasken shuɗi. Ana rarraba wannan na'urar a matsayin nau'in anode gama gari, ma'ana an haɗa anodes na duk sassan LED a ciki, wanda ke sauƙaƙe ƙirar da'ira don haɗawa da yawa. An ƙera shi musamman don hanyoyin haɗawa na baya.

1.1 Siffofi da Fa'idodi Masu Muhimmanci

• Tsayin Lamba:Yana da tsayin harafi na 0.39-inch (10.0 mm), yana ba da kyakkyawan karantawa saboda ƙaramin girmansa.
• Ingancin Gani:Yana ba da ci gaba da haske mai daidaito, kyakkyawan bayyanar harafi, haske mai ƙarfi, bambanci mai girma, da kuma faɗin kusurwar kallo.
• Inganci da Aminci:An tsara shi don ƙarancin wutar lantarki kuma yana ba da amincin ƙwaƙƙwaran da ke cikin fasahar LED.
• Kula da Ingantacciyar Ingantacciya:Ana rarraba raka'a (binned) don ƙarfin haske, yana tabbatar da daidaiton haske a cikin rukunin samarwa.
• Daidaitawa da Muhalli:Fakitin ba shi da gubar kuma ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Hatsari).

1.2 Gano Na'ura

Lambar sashi LTS-4817CTB-P tana bayyana nau'in na'urar: nunin lamba guda tare da maki goma na hannun dama, ta amfani da guntu LED na InGaN blue a cikin tsarin anode gama gari.

2. Bayanin Injiniya da Fakitin

2.1 Girman Fakitin

Na'urar ta yi daidai da takamammen ƙafar SMD. Muhimman bayanan girma sun haɗa da: duk ma'auni suna cikin millimeters tare da daidaitaccen jurewar ±0.25 mm sai dai idan an faɗi. Fakitin ya haɗa da alamun lambar sashi, lambar kwanan wata, da rukunin LED. Ƙa'idodin ingancin sun iyakance kayan waje, gurɓataccen tawada, kumfa a cikin yankin sashe, lanƙwasa fakitin, da ƙwanƙolin fil don tabbatar da haɗawa da aiki mai kyau.

2.2 Tsarin Fil da Zanen Da'ira

Nunin yana da tsarin fil 10. Zanen da'ira na ciki yana nuna tsarin gine-ginen anode gama gari. Fitar fil kamar haka: Fil 1 (Cathode E), Fil 2 (Cathode D), Fil 3 (Common Anode), Fil 4 (Cathode C), Fil 5 (Cathode DP don maki goma), Fil 6 (Cathode B), Fil 7 (Cathode A), Fil 8 (Common Anode), Fil 9 (Cathode F), Fil 10 (Cathode G). An lura da Fil 8 a matsayin \"Babu Haɗin\" a cikin zanen da aka bayar, wanda ƙila a keɓe shi ko haɗin anode kwafi dangane da ƙirar ciki.

3. Ma'auni da Halaye na Fasaha

3.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan su ne iyakokin damuwa waɗanda sama da su za a iya samun lalacewa na dindindin. Ana ƙayyade ƙimar a yanayin zafin jiki (Ta) na 25°C.

• Rushewar Wutar Lantarki kowane Sashe:70 mW matsakaici.
• Matsakaicin Halin Gaba kowane Sashe:50 mA (ƙarƙashin yanayin bugun jini: 1/10 aikin aiki, faɗin bugun jini 0.1ms).
• Ci gaba da Halin Gaba kowane Sashe:20 mA a 25°C, rage ƙimar layi a 0.21 mA/°C sama da 25°C.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-35°C zuwa +105°C.
• Zafin Gini:Yana jure 260°C na dakika 3 a 1/16 inch (kusan 1.6mm) ƙasa da matakin wurin zama.

3.2 Halayen Lantarki da Gani

Ana auna ma'auni na yau da kullun a Ta=25°C.

• Ƙarfin Hasken (I_V):8.4 mcd (Min), 26.8 mcd (Typ) a halin gaba (I_F) na 10mA.
• Matsakaicin Tsawon Tsawon (λ_p):468 nm (Typ) a I_F=20mA.
• Rabin Faɗin Bakan (Δλ):25 nm (Typ) a I_F=20mA.
• Matsakaicin Tsawon Tsawon (λ_d):470 nm (Typ) a I_F=20mA.
• Ƙarfin Gaba (V_F):3.3V (Min), 3.8V (Typ) kowane guntu a I_F=20mA.
• Halin Baya (I_R):100 µA (Max) a ƙarfin baya (V_R) na 5V. Wannan yanayin gwaji ne, ba yanayin aiki ba.
• Matsakaicin Daidaitawar Ƙarfin Hasken:2:1 matsakaici tsakanin sassan ƙarƙashin yanayi iri ɗaya (I_F=10mA), yana tabbatar da daidaiton haske.
• Maganar tsaka-tsaki:An ƙayyade shi azaman ≤ 2.5%, yana rage hasken da ba a so na sassan kusa.

3.3 Hatsarin Zubar da Wutar Lantarki (ESD)

LEDs suna da saukin lalacewa daga zubar da wutar lantarki. Ƙa'idodin kulawa na wajibi sun haɗa da: amfani da bel ɗin wuyan ƙasa ko safofin hannu masu hana tashin hankali; tabbatar da cewa duk kayan aiki, wuraren aiki, da ma'ajiyar suna da ƙasa da kyau; da kuma amfani da masu ionizers don kawar da cajin tsaye da zai iya taruwa akan fakitin filastik yayin kulawa.

4. Lanƙwan Ayyuka da Bayanan Hotuna

Bayanin fasaha ya haɗa da lanƙwan halaye na yau da kullun (ko da yake ba a cikakke a cikin rubutun da aka bayar ba). Waɗannan zane-zane suna da mahimmanci don ƙira kuma yawanci suna nuna alaƙar tsakanin halin gaba da ƙarfin haske (lanƙwan I-V), tasirin yanayin zafin jiki akan ƙarfin haske, da rarraba ƙarfin bakan dangi wanda ke nuna kololuwar fitowar hasken shuɗi a kusa da 468-470 nm. Bincika waɗannan lanƙwan yana ba masu ƙira damar inganta halin tuƙi don hasken da ake so da kuma fahimtar cinikin aiki ƙarƙashin yanayin zafi daban-daban.

5. Jagororin Haɗawa da Tsari

5.1 Umarnin Gini na SMT

Na'urar ta dace da gini na sake kunnawa. Iyakokin tsari masu mahimmanci:

• Gini Sake Kunnawa (Matsakaicin Zango 2):Pre-heat: 120-150°C har zuwa dakika 120 matsakaici. Matsakaicin zafin jiki: 260°C matsakaici. Jimlar lokacin gini bai kamata ya wuce iyakokin bayanin martaba ba.
• Gini da Hannu (Ƙarfe, Matsakaicin Zango 1):Zafin ƙarshen ƙarfe: 300°C matsakaici. Lokacin tuntuɓar juna: dakika 3 matsakaici kowane haɗin gwiwa.
• Ana buƙatar lokacin sanyaya na wajibi zuwa yanayin zafi na yau da kullun tsakanin tsarin sake kunnawa na farko da na biyu idan ana buƙatar wucewa biyu.

5.2 Tsarin Ƙafar Gini da Aka Ba da Shawara

An ba da ƙirar ƙasa don tabbatar da samuwar haɗin gini mai aminci, daidaitawar kai da kyau yayin sake kunnawa, da isasshen ƙarfin injiniya. Bin wannan tsari yana da mahimmanci don yawan samarwa da amincin dogon lokaci.

6. Fakitin da Kulawa

6.1 Ƙa'idodin Tattarawa

Ana samar da na'urorin akan fakitin tef da reel wanda ya dace da injunan ɗauka da sanyawa ta atomatik.

• Girman Reel:An ba da cikakkun bayanai don nau'in reel PS6, gami da diamita na reel, faɗin cibiya, da girman aljihun tef.
• Tef ɗin Mai ɗauka:Ma'auni da ƙa'idodin sun cika ma'auni na EIA-481-C. Muhimman ma'auni sun haɗa da filin aljihu, kaurin tef (0.40±0.05mm), da jurewar camber.
• Adadin Tattarawa:Matsakaicin tsayin reel shine mita 45.5 don reel 22-inch, yana ɗauke da guda 800. An ƙayyade mafi ƙarancin adadin tattarawa na guda 200 don ragowar kuri'a.
• Tef ɗin Jagora/Tirela:Ya haɗa da mafi ƙarancin jagora 400mm da tirela 40mm don sarrafa inji.

6.2 Hatsarin Danshi da Ma'ajiyar

Fakitin SMD yana da damuwa ga danshi. Ana jigilar na'urorin a cikin jakunkuna masu hana danshi tare da busasshen abu.

• Yanayin Ajiya:Bayan buɗe jakar da aka rufe, ya kamata a adana abubuwan a ≤30°C da ≤60% Danshi Dangi.
• Bukatun Gasasshen:Idan an fallasa shi ga danshin yanayi fiye da ƙayyadaddun bayanai, ana buƙatar gasasshen kafin sake kunnawa don hana \"gyaɗa\" fashewa ko rabuwa. Yanayin gasasshen da aka amince: 60°C na ≥48 hours (a cikin reel), ko 100°C na ≥4 hours / 125°C na ≥2 hours (a cikin girma). Ya kamata a yi gasasshen sau ɗaya kawai.

7. Bayanan Aikace-aikace da La'akari da Ƙira

7.1 Yanayin Aikace-aikace na Yau da Kullun

LTS-4817CTB-P ya dace da aikace-aikacen da ke buƙatar ƙananan, masu haske, nunin lamba guda. Amfanin gama gari sun haɗa da: allunan kayan aikin ma'auni (ma'auni, lokaci), kayan amfani na mabukaci (microwaves, masu yin kofi), musanya sarrafa masana'antu, karatun na'urar likita, da nunin kayan haɗin gwiwar mota inda ake fifita bayanin shuɗi don gani ko dalilai na ado.

7.2 Jagororin Ƙirar Da'ira

A matsayin nunin anode gama gari, ana tuka kowane cathode na sashe daban, yawanci ta hanyar resistor mai iyakancewa wanda aka haɗa zuwa direban mai iya nutsewa (misali, filin GPIO na microcontroller ko ƙwaƙƙwaran direban LED). Dole ne a yi la'akari da ƙarfin gaba (V_F) na ~3.8V a cikin ƙirar samar da wutar lantarki. Halin ci gaba bai kamata ya wuce 20mA kowane sashe ba, tare da daidaitaccen raguwa sama da 25°C yanayi. Don haɗa lambobi da yawa, tabbatar da ikon nutsewar direban da saurin sauyawa sun isa.

7.3 Gudanar da Zafin Jiki

Yayin da LEDs suke da inganci, rushewar wutar lantarki (har zuwa 70mW kowane sashe) yana haifar da zafi. Kyakkyawan shimfidar PCB tare da isasshen yanki na jan ƙarfe don haɗin anode gama gari na iya zama mai sanyaya zafi. Tabbatar cewa yanayin aiki bai wuce 105°C ba, kuma yi la'akari da lanƙwan raguwar halin yanzu don yanayin zafi mai girma.

8. Kwatancin Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar LED na ja GaAsP, wannan LED na InGaN blue yana ba da haske mafi girma da launin shuɗi na musamman. A cikin sashin nunin SMD na shuɗi, mahimman bambance-bambancensa sune tsayin lamba 0.39-inch, rarraba ƙarfin haske don daidaito, da ƙayyadaddun bayanai don ƙarancin magana tsaka-tsaki da daidaitawar sashe. Ƙaƙƙarfan fakitin da cikakkun ƙayyadaddun gini/tattarawa sun sa ya dace da haɗawa ta atomatik mai yawa.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Menene manufar filin \"Babu Haɗin\" (Fil 8)?

A: Wannan filin ba a haɗa shi a ciki ba. Yana iya wanzuwa don daidaiton injiniya, daidaitattun fakitin, ko a matsayin mai riƙe wuri. Kada a yi amfani da shi azaman haɗin lantarki.

Q: Zan iya tuka wannan nunin tare da samar da 5V?

A: Ee, amma resistor mai iyakancewa na jerin abubuwa ne wajibi ga kowane cathode na sashe. Ana ƙididdige ƙimar resistor kamar R = (V_supply- V_F) / I_F. Don samar da 5V, V_Fna 3.8V, da I_Fna 10mA, R ≈ (5 - 3.8) / 0.01 = 120 Ω.

Q: Me yasa gasasshen ya zama dole, kuma zan iya gasa sassan fiye da sau ɗaya?

A: Fakitin filastik yana ɗaukar danshi. Yayin sake kunnawa, dumama cikin sauri yana juya wannan danshi zuwa tururi, yana iya haifar da lalacewa a ciki. Gasasshen yana cire wannan danshi. Bayanin fasaha ya bayyana a sarari cewa ya kamata a yi gasasshen sau ɗaya kawai don guje wa tsufa na zafi na kayan.

Q: Menene ma'anar \"haɗawa na baya\"?

A> Yana nuna cewa an yi niyya don haɗa na'urar a gefen gaba na PCB daga gefen abu na yau da kullun, sau da yawa saboda dalilai na ado (kallo ta hanyar allon). An tsara tsarin gini da aka ba da shawarar don wannan.

10. Ka'idojin Aiki da Trends na Fasaha

10.1 Ka'idar Aiki ta Asali

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce bandgap a kan haɗin p-n, electrons da ramuka suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman kayan, InGaN, yana da bandgap wanda yayi daidai da fitowar hasken shuɗi. Tushen sapphire yana ba da tushe na crystalline don girma yadudduka na InGaN epitaxial.

10.2 Trends na Masana'antu

Amfani da fasahar InGaN don shuɗi (kuma ta hanyar faɗaɗa, fari ta hanyar jujjuyawar phosphor) yana wakiltar ci gaba mai mahimmanci a cikin hasken ƙwaƙƙwaran. Trends a cikin abubuwan nuni sun haɗa da ci gaba da ƙaruwa a cikin ingancin haske (haske kowane watt), ƙarin ƙanƙanta, ingantaccen daidaiton launi ta hanyar ƙaramin binning, da ingantaccen aminci don yanayi mai tsanani. Ƙaura zuwa fakitin mara gubar da RoHS, kamar yadda aka gani a cikin wannan na'urar, buƙatar masana'antu ce ta yau da kullun.