LTST-C230TBKT-5A SMD LED Takardar Bayani - Tsarin Saka Juyawa - Shudi (InGaN) - 2.65-3.15V - 76mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-C230TBKT-5A na'urar haske ce (LED) mai saka a saman (SMD) wacce aka ƙera don tsarin haɗa na'urorin lantarki na zamani. Babban ɓangarensa shine ƙwayar semiconductor na indium gallium nitride (InGaN) mai haske sosai, wanda ke fitar da hasken shudi. Wani muhimmin siffa da ke bambanta wannan ɓangaren shine ƙirar sa na saka juyawa, ma'ana babban fitar haske yana ta hanyar gefen substrate na kunshin. Ana nuna wannan ta hanyar bayanin ruwan tabarau "Ruwa Mai Tsabta", wanda yawanci yana ba da damar kallon kusurwa mai faɗi ko takamaiman idan aka kwatanta da ruwan tabarau da aka watsa. An kunna na'urar a kan tef ɗin 8mm da aka nannade akan reels na inci 7, wanda ya sa ya dace da kowane irin kayan aikin sarrafawa da aka yi wa atomatik da sauri da ake amfani da su wajen samar da yawa.

An rarraba samfurin a matsayin samfurin kore, ma'ana ya bi ka'idar ƙuntata abubuwa masu haɗari (RoHS). An kuma ƙera shi don ya dace da kewayawa na lantarki (IC) kuma yana iya jurewa daidaitattun hanyoyin solder na reflow na infrared (IR), waɗanda ke da mahimmanci ga haɗa allon lantarki mara gubar (Pb-free).

2. Ma'auni na Fasaha: Bayani Mai Zurfi da Haƙiƙa

2.1 Matsakaicin Matsakaici na Cikakke

Waɗannan ma'auni suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. An ƙayyade su a yanayin zafin yanayi (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):76 mW. Wannan shine matsakaicin adadin wutar lantarki da LED zata iya watsawa a matsayin zafi ba tare da ta rage aikin ta ko tsawon rayuwarta ba. Wuce wannan iyaka, musamman a yanayin zafi mafi girma, na iya haifar da raguwar haske cikin sauri da yuwuwar gazawa.
• Matsakaicin Ƙarfin Lantarki Gaba (I_F(PEAK)):100 mA. Wannan shine matsakaicin ƙarfin lantarki na gaba na nan take da aka yarda, amma kawai a ƙarƙashin yanayin bugun jini tare da tsarin aiki mai tsauri na 1/10 da faɗin bugun jini na 0.1ms. Ba don aiki na ci gaba ba ne.
• Ƙarfin Lantarki Gaba na DC (I_F):20 mA. Wannan shine matsakaicin ƙarfin lantarki na gaba na ci gaba da aka ba da shawarar don aiki mai dogon lokaci mai aminci. Yawancin halayen lantarki da na gani ana auna su a daidaitaccen gwajin ƙarfin lantarki na 5 mA.
• Yanayin Aiki & Ajiya:Na'urar na iya aiki a cikin yanayi daga -20°C zuwa +80°C kuma ana iya adana ta daga -30°C zuwa +85°C.
• Yanayin Solder na Infrared:Kunshin zai iya jure matsakaicin zafin jiki na 260°C har zuwa dakika 10 yayin solder reflow, wanda ya yi daidai da buƙatun tsarin aiki mara gubar na gama gari.

2.2 Halayen Lantarki da Haske

Ana auna waɗannan ma'auni a Ta=25°C da I_F=5 mA, sai dai idan an lura da wani abu, kuma suna ayyana aikin LED.

• Ƙarfin Haske (I_V):Ya bambanta daga mafi ƙarancin millicandelas (mcd) 11.2 zuwa matsakaicin mcd 45.0. Ba a ƙayyade ƙimar ta na yau da kullun ba, wanda ke nuna ana sarrafa aiki ta hanyar rarrabuwa (duba Sashe na 3). Ana auna ƙarfi ta amfani da firikwensin da aka tace don ya dace da amsawar gani na idon ɗan adam (lankwasa CIE).
• Kusurwar Dubawa (2θ_1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar da aka auna akan-axis (digiri 0). Kusurwar dubawa mai faɗi kamar wannan siffa ce ta LED mai saka juyawa ko na gefen kallo kuma ya dace da hasken baya da aikace-aikacen nuna alama waɗanda ke buƙatar haske mai faɗi.
• Matsakaicin Tsawon Zango (λ_P):Nanometers 468 (nm). Wannan shine tsawon zango inda fitar da ƙarfin bakan ya fi girma.
• Tsawon Zango Mai Rinjaye (λ_d):Ya bambanta daga 465.0 nm zuwa 476.5 nm. Wannan shine tsawon zango guda ɗaya da idon ɗan adam ya gane wanda ke ayyana launin hasken, wanda aka samo daga zanen launi na CIE. Shi ne mafi dacewa ma'auni don ƙayyadaddun launi fiye da matsakaicin tsawon zango.
• Rabin Faɗin Layin Bakan (Δλ):25 nm. Wannan yana nuna tsantsar bakan ko faɗin band na hasken da aka fitar, wanda aka auna a matsayin faɗi a rabin matsakaicin ƙarfi.
• Ƙarfin Lantarki Gaba (V_F):Ya bambanta daga 2.65V zuwa 3.15V a 5 mA. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da yake gudanar da ƙarfin lantarki. Ma'auni ne mai mahimmanci don ƙirar da'irar turawa.
• Ƙarfin Lantarki Baya (I_R):Matsakaicin μA 10 a ƙarfin lantarki baya (V_R) na 5V. Ba a ƙera wannan LED don aikin karkatar da baya ba; wannan ma'auni don gwajin zubar da ƙarfin lantarki kawai ne. Yin amfani da ƙarfin lantarki baya a cikin da'ira na iya lalata na'urar.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaito a cikin samar da yawa, ana rarraba LED zuwa kwandon aiki. LTST-C230TBKT-5A yana amfani da tsarin rarrabuwa mai girma uku.

3.1 Rarrabuwar Ƙarfin Lantarki Gaba

Ana yiwa kwandon lakabi daga 1 zuwa 5, kowanne ya ƙunshi kewayon 0.1V daga 2.65V zuwa 3.15V a 5 mA. Haƙuri a cikin kowane kwandon shine ±0.1V. Wannan yana ba masu ƙira damar zaɓar LED masu kama da V_Fdon raba ƙarfin lantarki a cikin layukan layi daya.

3.2 Rarrabuwar Ƙarfin Haske

Ana yiwa kwandon lakabi L1, L2, M1, M2, N1, N2, tare da mafi ƙarancin ƙarfi daga mcd 11.2 zuwa mcd 35.5. Haƙuri akan kowane kwandon shine ±15%. Wannan yana ba da damar zaɓi bisa ga buƙatun haske don aikace-aikacen.

3.3 Rarrabuwar Tsawon Zango Mai Rinjaye

An ayyana kwandon biyu: AC (465.0-470.0 nm) da AD (470.0-476.5 nm). Haƙuri shine ±1 nm. Wannan yana tabbatar da daidaiton launi a cikin guntu na LED, wanda ke da mahimmanci ga aikace-aikace kamar nuni mai yawa ko hasken baya da aka haɗa launi.

4. Bincike akan Lankwasa Ayyuka

Yayin da aka ambaci takamaiman bayanan hoto amma ba a bayar da su a cikin rubutun ba, lankwasan na yau da kullun don irin waɗannan LED ɗin za su haɗa da:

• Dangantakar Ƙarfin Haske da Ƙarfin Lantarki Gaba (I_Vvs. I_F):Yana nuna yadda fitar haske ke ƙaruwa tare da ƙarfin lantarki, yawanci a cikin yanayin ƙasa da layi a manyan ƙarfin lantarki saboda dumama da raguwar inganci.
• Ƙarfin Lantarki Gaba da Ƙarfin Lantarki Gaba (V_Fvs. I_F):Yana nuna halayen diode na I-V mai ma'ana. Ƙarfin lantarki yana ƙaruwa tare da ƙarfin lantarki kuma yana raguwa tare da hawan zafin haɗin gwiwa.
• Dangantakar Ƙarfin Haske da Yanayin Zafi na Yanayi:Yana kwatanta tasirin kashe zafi, inda fitar haske ke raguwa yayin da yanayin zafi (don haka haɗin gwiwa) ya tashi. Gudanar da zafi mai kyau shine mabuɗin don kiyaye haske mai ƙarfi.
• Rarraba Ƙarfin Bakan:Wani makirci da ke nuna ƙarfin hasken da aka fitar a cikin bakan tsawon zango, wanda ke tsakiya a kusa da matsakaicin tsawon zango na 468 nm tare da siffa ta rabin faɗi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED ya yi daidai da daidaitaccen tsarin kunshin EIA. Matsakaicin matsakaicin girma shine ±0.10 mm sai dai idan an ƙayyade wani abu. An ayyana ainihin sawun ƙafa da tsayin ɓangaren a cikin zane-zanen girma da aka ambata a cikin takardar bayanai.

5.2 Gano Ƙarshen Lantarki da Ƙirar Ƙafar Solder

Ga LED masu saka juyawa, gano ƙarshen lantarki (cathode/anode) yawanci ana yiwa alama a saman kunshin ko kuma ana nuna shi ta hanyar takamaiman siffar ƙafa ko bambancin girman akan zanen sawun ƙafa. Takardar bayanai ta haɗa da shawarwarin girma na ƙafar solder don tabbatar da haɗin solder mai aminci da daidaitawar da ta dace yayin reflow. Bin waɗannan shawarwari yana da mahimmanci don kwanciyar hankali na injiniya da aikin zafi.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Yanayin Solder na Reflow

An ba da shawarar bayanin reflow na infrared (IR) don hanyoyin aiki marasa gubar. Muhimman ma'auni sun haɗa da yankin dumama kafin (150-200°C), hawan da aka sarrafa zuwa matsakaicin zafin jiki wanda bai wuce 260°C ba, da lokacin da ya wuce ruwa (TAL) wanda ke tabbatar da samuwar haɗin solder da kyau ba tare da fallasa LED ga matsanancin damuwa na zafi ba. Bangaren zai iya jure wannan matsakaicin zafin jiki har zuwa dakika 10. Bayanin ya dogara ne akan ma'auni na JEDEC don tabbatar da aminci.

6.2 Solder da Hannu

Idan solder da hannu tare da ƙarfe ya zama dole, zafin ƙarshen bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance shi zuwa matsakaicin dakika 3 don aiki guda ɗaya kawai.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan solder, kawai ya kamata a yi amfani da takamaiman kaushi. Ana ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata kunshin filastik ko ruwan tabarau.

6.4 Ajiya da Gudanarwa

• Kula da ESD:LED suna da hankali ga zubar da lantarki na electrostatic (ESD). Gudanarwa ya kamata ya haɗa da amfani da igiyoyin wuyan hannu, safar hannu masu hana tsayayya, da kayan aiki masu tushe da kyau.
• Hankalin Danshi:Kunshin yana da hankali ga danshi. Lokacin da aka rufe shi da maganin bushewa, ya kamata a adana shi a ≤30°C da ≤90% RH kuma a yi amfani da shi cikin shekara guda. Da zarar an buɗe, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba. Abubuwan da aka fallasa fiye da sa'o'i 672 (matakin MSL 2a) ya kamata a gasa su a kusan 60°C na akalla sa'o'i 20 kafin solder don hana "popcorning" yayin reflow.

7. Bayanin Kunshin da Oda

Daidaitaccen kunshin shine tef ɗin 8mm mai ɗaukar kaya akan reels mai diamita inci 7 (178mm). Kowace reel tana ɗauke da guda 3000. An rufe ramukan tef ɗin da tef ɗin murfi na sama. Kunshin yana bin ƙayyadaddun ANSI/EIA-481. Don adadin ƙasa da cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 ya shafi sauran.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Ƙirar saka juyawa da kusurwar dubawa mai faɗi sun sa wannan LED ya dace da:

• Hasken Baya Mai Haske:Don nunin LCD a cikin kayan lantarki na mabukaci, kayan aiki, da cikin motoci, inda ake shigar da haske daga gefe zuwa farantin jagorar haske.
• Masu Nuna Matsayi:A kan allon gaba na kayan aiki inda kusurwar dubawa mai faɗi ke da amfani.
• Hasken Kayan Ado:A cikin alamar kasuwanci ko hasken accent inda ake buƙatar fitarwa ta gefe.

8.2 Abubuwan da Ya Kamata a Yi la'akari da su a Ƙirar

• Turawa na Yanzu:Yi amfani da direba mai ƙarfi na yau da kullun ko resistor mai iyakancewa a jere tare da LED don kiyaye haske mai ƙarfi da hana guduwar zafi. Matsakaicin wurin aiki shine 5-20 mA DC.
• Gudanar da Zafi:Ko da yake raguwar wutar lantarki yana da ƙasa, tabbatar da hanya mai kyau na zafi daga ƙafafun LED zuwa tagulla na PCB yana taimakawa wajen kiyaye aiki da tsawon rai, musamman a yanayin zafi mafi girma na yanayi ko ƙarfin turawa.
• Ƙirar Gani:Ruwan tabarau mai tsabta yana samar da ƙirar katako mai da hankali idan aka kwatanta da ruwan tabarau da aka watsa. Yi la'akari da wannan a cikin ƙirar jagora ko watsawa don aikace-aikacen hasken baya.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambance-bambancen wannan LED yana cikintsarin saka juyawagine-gine. Ba kamar LED masu fitarwa na sama ba, ana fitar da haske ta hanyar substrate, wanda sau da yawa yana ba da damar shigarwa mai ƙarancin bayyanawa da kuma kusurwar dubawa mai faɗi wacce ta dace da harbin gefe zuwa jagororin haske. Amfani daƙwayar InGaNyana ba da inganci mai girma da haske a cikin bakan shudi. Yin biyayya gasanyawa ta atomatikdama'auni na reflow IRya sa ya zama ɓangaren saukowa don layukan haɗawa na zamani, masu yawa na SMT, wanda ya bambanta shi da tsoffin LED na rami ko na haɗawa da hannu.

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

Q: Zan iya turawa wannan LED a 20 mA a ci gaba?

A: E, 20 mA shine matsakaicin ƙarfin lantarki na gaba na DC da aka ba da shawarar. Don mafi kyawun tsawon rai da kuma la'akari da tasirin zafi, yin aiki a ko ƙasa da wannan ƙimar, kamar daidaitaccen gwajin ƙarfin lantarki na 5 mA, ya zama gama gari.

Q: Menene lambar kwandon a cikin lambar ɓangaren (misali, -5A) ke nufi?

A: Duk da yake ba a yi cikakken bayani a cikin abin da aka cire ba, ƙari kamar "-5A" sau da yawa suna nuna takamaiman haɗin kwandon don ƙarfin lantarki gaba, ƙarfi, da/ko tsawon zango kamar yadda jerin lambobin kwandon suka bayar. Wannan yana ba da damar zaɓi daidai don buƙatun aikace-aikace.

Q: Ana buƙatar heatsink don wannan LED?

A: Don aiki a ko ƙasa da 20 mA a yanayin yanayi na yau da kullun, tagulla na PCB da kansa yawanci yana ba da isasshen sanyaya. Don yanayin zafi mafi girma na yanayi ko idan an turawa a cikin matsakaicin matsakaicin ma'auni, haɓaka ƙirar zafi na sawun ƙafar PCB yana da kyau.

Q: Zan iya amfani da wannan don hasken waje na mota?

A: Takardar bayanai ta ce LED an yi niyya ne don kayan aikin lantarki na yau da kullun. Don aikace-aikacen da ke da buƙatun aminci na musamman kamar hasken waje na mota, tuntuɓar masana'anta ya zama dole don tabbatar da dacewa da samun takamaiman cancantar matakin mota.

11. Misalin Amfani na Aiki

Shari'ar Ƙira: Hasken Baya don Nunin Allon Kayan Aiki Ƙanana

Mai zane yana buƙatar hasken baya don nunin LCD mai launi ɗaya na inci 2 tare da haske daidai. Sun zaɓi LTST-C230TBKT-5A saboda siffar fitarwa ta gefe. An sanya LED guda huɗu tare da gefe ɗaya na farantin jagorar haske na acrylic (LGP). Ana turawa LED a jere tare da direba mai ƙarfi na yau da kullun da aka saita zuwa 15 mA kowace LED, yana tabbatar da ƙarfin lantarki daidai da haske. Kusurwar dubawa mai faɗi na digiri 130 yana haɗa haske cikin LGP yadda ya kamata. Mai zane ya zaɓi LED daga kwandon ƙarfi ɗaya (misali, M1) da kwandon tsawon zango (misali, AC) don tabbatar da daidaiton haske da launi a duk faɗin nuni. Tsarin PCB yana bin shawarwarin girma na ƙafa kuma ya haɗa da haɗin kai na zafi zuwa farantin ƙasa don watsa zafi.

12. Gabatarwa akan Ka'ida

Fitar haske a cikin wannan LED ya dogara ne akan electroluminescence a cikin haɗin gwiwar p-n semiconductor da aka yi da kayan InGaN. Lokacin da aka yi amfani da ƙarfin lantarki gaba, ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. A cikin semiconductors na InGaN, wannan sake haɗuwa yana sakin makamashi da farko a cikin nau'in photons shudi. Takamaiman tsawon zango (launi shudi) an ƙaddara shi ta hanyar makamashin bandgap na gami da InGaN. Ƙirar "saka juyawa" tana nufin an saka guntu ta hanyar da babban yanki mai aiki mai samar da haske ke fitarwa zuwa ƙasa ta hanyar substrate na guntu mai gani, wanda daga baya aka siffata shi kuma aka jagorance shi ta hanyar ruwan tabarau na epoxy na kunshin.

13. Trends na Ci Gaba

Trend a cikin SMD LED kamar wannan yana ci gaba zuwa ga ingantaccen inganci mai haske (ƙarin fitar haske a kowace watt na shigarwar lantarki), ingantaccen daidaiton launi ta hanyar ƙarin ƙarfin rarrabuwa, da ingantaccen aminci a ƙarƙashin yanayin zafi da ɗanɗano mafi girma. Fasahar kunshin tana haɓaka don ba da damar ƙananan sawun ƙafa yayin kiyayewa ko ƙara fitar haske. Hakanan akwai ƙaƙƙarfan ƙoƙari zuwa ga faɗaɗa amfani da kayan aiki marasa gubar da marasa halogen don biyan ka'idojin muhalli masu tasowa a duniya. Haɗa LED cikin hanyoyin haɗawa da bincike ta atomatik ya kasance babban abin da ake mayar da hankali, yana tabbatar da dacewa da layukan masana'antu na hankali na Industry 4.0.