LTST-C281KGKT-5A SMD LED Takardar Bayani - Tsayin 0.35mm - Ƙarfin Wutar Gaba 1.7-2.3V - Launi Kori - Ƙarfin Wutar 75mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-C281KGKT-5A na'urar LED ce da ake haɗawa ta saman (SMD) wacce aka tsara don aikace-aikacen lantarki na zamani masu ƙanƙanta. Tana cikin rukunin ƙananan LED na siriri, tana da tsayin siriri na 0.35mm kawai. Wannan ya sa ta zama zaɓi mai kyau don aikace-aikace inda matsalar sarari ke da muhimmanci, kamar a cikin na'urorin nuni masu siriri, na'urorin hannu, da fasahar sawa.

LED tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntun haske. Wannan fasahar sananniya ce don samar da haske mai inganci, musamman a cikin sassan kori, rawaya, da ja na bakan haske. Ƙirar ta musamman, LTST-C281KGKT-5A, tana fitar da hasken kori tare da ruwan tabarau mai tsabta, wanda baya watsa hasken, yana haifar da haske mai mai da hankali da ƙarfi wanda ya dace da alamun yanayi, hasken baya, da hasken panel.

Fa'idodinsa na asali sun haɗa da bin umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari), yana mai da shi "samfurin kori" mai kiyaye muhalli. Ana tattara shi a cikin kaset ɗin 8mm na ƙa'idar masana'antu akan reels masu diamita 7-inch, yana tabbatar da dacewa da kayan aikin haɗawa da sauri da aka saba amfani da su a cikin samarwa mai yawa. Bugu da ƙari, an tsara shi don ya dace da hanyoyin gyarawa na infrared (IR) reflow, wanda shine ma'auni don layukan haɗawa na saman (SMT).

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da shawarar aiki da LED a ƙarƙashin waɗannan sharuɗɗan don aiki mai dogaro.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa a matsayin zafi ba tare da wuce matsakaicin zafin jiki ba. Wuce wannan iyaka yana haifar da haɗarin lalacewar zafi.
• Matsakaicin Ƙarfin Gaba (I_FP):80 mA. Wannan shine matsakaicin ƙarfin gaba na nan take, wanda aka yarda da shi kawai a ƙarƙashin yanayin bugun jini (an ƙayyade a cikin aikin 1/10 da faɗin bugun 0.1ms). Ana amfani da shi don walƙiya gajere, mai ƙarfi.
• Ci gaba da Ƙarfin Gaba (I_F):30 mA. Wannan shine matsakaicin ƙarfin DC wanda za'a iya amfani da shi akai-akai. Don yawancin aikace-aikacen nuna alama na yau da kullun, ƙarfin tuƙi na 5-20mA ya zama al'ada.
• Ƙarfin Wutar Baya (V_R):5 V. Yin amfani da ƙarfin wutar baya wanda ya fi wannan zai iya haifar da rushewa da gazawar haɗin LED.
• Aiki & Zafin Ajiya:-30°C zuwa +85°C da -40°C zuwa +85°C, bi da bi. Waɗannan iyakokin suna bayyana yanayin muhalli don aiki mai dogaro da ajiya mara aiki.

2.2 Halayen Lantarki da Haske

Ana auna waɗannan sigogi a ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C) kuma suna bayyana aikin LED.

• Ƙarfin Hasken (I_V):4.5 - 28.0 mcd (Na al'ada). An auna shi a ƙarfin gaba (I_F) na 5mA. Faɗin yanki ya samo asali ne saboda tsarin rarrabuwa (wanda aka bayyana a Sashe na 3). Ana auna ƙarfin tare da tacewa wanda ya kusanci madaidaicin amsawar ido na ɗan adam.
• Kusurwar Dubawa (2θ_1/2):Digiri 130 (Na al'ada). Wannan shine cikakkiyar kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar kololuwa (a kan-axis). Kusurwar 130° tana nuna tsarin dubawa mai faɗi sosai.
• Matsakaicin Tsawon Tsawon (λ_P):574 nm (Na al'ada). Tsawon tsawon lokacin da rarraba ƙarfin bakan ya kasance a matsakaicinsa.
• Matsakaicin Tsawon Tsawon (λ_d):567.5 - 576.5 nm. Wannan shine tsawon tsawon guda ɗaya wanda idon ɗan adam ya gane wanda ke bayyana launi. An samo shi daga zanen launi na CIE kuma shine maɓalli mai mahimmanci don ƙayyadaddun launi.
• Rabin Faɗin Bakan (Δλ):15 nm (Na al'ada). Faɗin bakan fitarwa a rabin matsakaicin ƙarfinsa. Ƙunƙuntaccen faɗi yana nuna launi mai tsafta a cikin bakan.
• Ƙarfin Wutar Gaba (V_F):1.7 - 2.3 V a I_F=5mA. Faɗuwar wutar lantarki a kan LED lokacin da ake gudanar da ƙarfin lantarki. Wannan kewayon kuma yana ƙarƙashin rarrabuwa.
• Ƙarfin Baya (I_R):10 μA (Matsakaici) a V_R=5V. Ƙaramin ƙarfin lalata wanda ke gudana lokacin da LED ke da karkatar da baya a cikin matsakaicin ƙimarta.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki. LTST-C281KGKT-5A yana amfani da tsarin rarrabuwa mai girma uku don maɓallan sigogi.

3.1 Rarrabuwar Ƙarfin Wutar Gaba (Naúrar: V @5mA)

Ana rarraba LED bisa ga faɗuwar ƙarfin wutar gaba don tabbatar da haske iri ɗaya lokacin da tushen wutar lantarki mai ci gaba ko tsarin layi daya ke tuƙa su.

• Kwandon E2:1.70V (Mafi ƙanƙanta) - 1.90V (Matsakaici)
• Kwandon E3:1.90V (Mafi ƙanƙanta) - 2.10V (Matsakaici)
• Kwandon E4:2.10V (Mafi ƙanƙanta) - 2.30V (Matsakaici)
• Jurewa kowane kwandon: ±0.1V

3.2 Rarrabuwar Ƙarfin Hasken (Naúrar: mcd @5mA)

Wannan rarrabuwa yana tabbatar da mafi ƙarancin fitar da haske wanda za'a iya hasashe don ƙayyadadden ƙarfin tuƙi.

• Kwandon J:4.50 mcd (Mafi ƙanƙanta) - 7.10 mcd (Matsakaici)
• Kwandon K:7.10 mcd (Mafi ƙanƙanta) - 11.20 mcd (Matsakaici)
• Kwandon L:11.20 mcd (Mafi ƙanƙanta) - 18.00 mcd (Matsakaici)
• Kwandon M:18.00 mcd (Mafi ƙanƙanta) - 28.00 mcd (Matsakaici)
• Jurewa kowane kwandon: ±15%

3.3 Rarrabuwar Matsakaicin Tsawon Tsawon (Naúrar: nm @5mA)

Wannan rarrabuwa mai mahimmanci tana sarrafa daidaitaccen inuwar launin kori da ake fitarwa.

• Kwandon C:567.50 nm (Mafi ƙanƙanta) - 570.50 nm (Matsakaici)
• Kwandon D:570.50 nm (Mafi ƙanƙanta) - 573.50 nm (Matsakaici)
• Kwandon E:573.50 nm (Mafi ƙanƙanta) - 576.50 nm (Matsakaici)
• Jurewa kowane kwandon: ±1 nm

Cikakken lambar sashi na iya haɗawa da lambobin da ke ƙayyade ko wane kwandon ake bayarwa don wani oda na musamman.

4. Bincike na Madaidaicin Aiki

Yayin da aka ambaci madaidaitan lanƙwasa a cikin takardar bayani (Hoto 1, Hoto 6), abubuwan da suke nufi sun zama ma'auni don fasahar LED.

4.1 Ƙarfin Gaba vs. Ƙarfin Wutar Gaba (Lanƙwasa I-V)

Dangantakar tana da ƙarfi. Ƙaramin ƙari a cikin wutar lantarki yana haifar da babban ƙari a cikin ƙarfin lantarki. Wannan shine dalilin da ya sa dole ne a tuƙi LED tare da tsarin iyakance ƙarfin lantarki (resistor ko mai tuƙi mai ci gaba) don hana guduwar zafi.

4.2 Ƙarfin Hasken vs. Ƙarfin Gaba

Fitar da haske yana kusan daidai da ƙarfin gaba, amma inganci (lumens kowace watt) yawanci yana raguwa a ƙarfin lantarki mai ƙarfi saboda ƙarin zafi.

4.3 Rarraba Bakan

Hoto na 1 da aka ambata zai nuna lanƙwasa mai kama da Gaussian a kusa da 574 nm (kololuwa) tare da rabin faɗi na 15 nm, yana tabbatar da fitarwar kori guda ɗaya na guntun AlInGaP.

4.4 Dogaro da Zafin Jiki

Aikin LED yana da hankali ga zafin jiki. Ƙarfin wutar gaba yawanci yana raguwa tare da ƙara zafin jiki (~2mV/°C), yayin da ƙarfin haske kuma yana raguwa. Yin aiki a cikin ƙayyadadden kewayon zafin jiki yana da mahimmanci don kiyaye aiki da tsawon rai.

5. Bayanan Injiniya & Tattarawa

5.1 Girman Fakitin

LED ta yi daidai da daidaitaccen tsarin fakitin EIA (Ƙungiyar Masana'antu ta Lantarki). Maɓallan girma sun haɗa da tsayin gabaɗaya na 0.35mm, tsayi, da faɗi kamar yadda aka ayyana a cikin cikakken zanen injiniya. Duk jurewa shine ±0.10mm sai dai idan an ƙayyade in ba haka ba.

5.2 Gano Ƙarfin Lantarki

Tashar cathode (maras kyau) yawanci ana nuna ta da alama akan fakitin, kamar tsaga, ɗigo, ko alamar kori, kamar yadda aka nuna a zanen girma. Daidaitaccen ƙarfin lantarki yana da mahimmanci don aiki.

5.3 Shawarar Tsarin Filin Gyarawa

An ba da shawarar tsarin ƙasa (sawun filin gyarawa) don tabbatar da gyarawa daidai da kwanciyar hankali na injiniya yayin da kuma bayan aikin reflow. Bin wannan shimfidar yana hana kabari (tsayawar kayan aiki) kuma yana tabbatar da filaye masu kyau na gyarawa.

6. Jagororin Gyarawa & Haɗawa

6.1 Bayanin Yanayin Gyarawar Reflow na Infrared

LED ta cancanci hanyoyin gyarawa marasa gubar (Pb-free). Shawarar bayanin ta haɗa da:

• Dumama:Hawa zuwa 120-150°C.
• Lokacin Jiƙa/Dumama:Matsakaicin daƙiƙa 120 don ba da damar daidaita zafin jiki a fadin allon.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C. Jikin kayan aikin bai kamata ya wuce wannan zafin ba.
• Lokaci Sama da Ruwa (TAL):An ba da shawarar ya zama daƙiƙa 5 matsakaici a matsakaicin zafin jiki. LED na iya jure wannan zagayen reflow har sau biyu kawai.

6.2 Gyarawar Hannu

Idan gyarawar hannu ya zama dole:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Gyarawa:Matsakaicin daƙiƙa 3 kowane jagora.
• Iyaka:Zagaye gyarawa ɗaya kawai.

6.3 Ajiya & Gudanarwa

• Yanayin Ajiya:Ana ba da shawarar a ≤30°C da ≤60% zafi na dangi.
• Hankalin Danshi:LED da aka cire daga ainihin fakitin su na bushe, yakamata a gyarasu da reflow cikin sa'o'i 672 (kwanaki 28). Idan an adana su tsawon lokaci, ana buƙatar gasa a 60°C na aƙalla sa'o'i 20 kafin gyarawa don hana "gyaɗa" (tsagewar fakitin saboda tururin danshi).
• Tsaftacewa:Kawai yi amfani da takamaiman kaushi kamar barasa na ethyl ko isopropyl alcohol a zafin daki na ƙasa da minti ɗaya idan ana buƙatar tsaftacewa. Sauran sinadarai na iya lalata ruwan tabarau na filastik.

7. Bayanan Tattarawa & Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana samar da samfurin a cikin kaset ɗin mai ɗaukar hoto:

• Faɗin Kaset: 8mm.
• Diamita na Reel:Inci 7.
• Adadin kowane Reel:Guda 5000.
• Mafi ƙarancin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Ma'aunin Tattarawa:Ya yi daidai da ANSI/EIA-481.
• Ana rufe fanko mara komai tare da kaset ɗin murfi. Ana ba da izinin mafi yawan abubuwan da suka ɓace guda biyu a jere.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

• Alamomin Yanayi:Hasken wutar lantarki, haɗin kai, ko aiki a cikin kayan lantarki na mabukaci, na'urori, da allunan sarrafa masana'antu.
• Hasken Baya:Don maɓallan maɓalli, gumaka, ko ƙananan na'urorin nuni na LCD a cikin na'urorin hannu da kayan aikin ma'auni.
• Hasken Panel:A cikin allunan motoci masu siriri, musanya sarrafawa, ko na'urorin likita.
• Hasken Kayan Ado:A cikin alamun ƙanƙanta ko hasken accent inda ake buƙatar siffa mai siriri.

8.2 Abubuwan Ƙira na'ura

Mahimmanci: LED na'urori ne masu tuƙi.

• Shawarar Ƙirar Ƙira (Ƙira A):Yi amfani da resistor mai iyakance ƙarfin lantarki a jere ga kowane LED, ko da lokacin da aka haɗa LED da yawa a layi daya zuwa tushen wutar lantarki. Wannan yana rama bambancin yanayi a cikin ƙarfin wutar gaba (V_F) tsakanin LED guda ɗaya, yana tabbatar da haske iri ɗaya. An ƙididdige ƙimar resistor kamar R = (V_wadata- V_F) / I_F.
• Ba a ba da shawarar (Ƙira B):Haɗa LED da yawa kai tsaye a layi daya ba tare da iyakance ƙarfin lantarki na kowane ɗaya ba ana hana shi. Bambance-bambance kaɗan a cikin V_Fzai sa ƙarfin lantarki ya rarraba ba daidai ba, yana haifar da bambance-bambance masu mahimmanci a cikin haske da yuwuwar wuce gona da iri a cikin LED tare da mafi ƙanƙanta V_F.
• Masu Tuƙi na Ci gaba:Don mafi girman daidaito da inganci, musamman a cikin aikace-aikacen nuni ko haske, ana ba da shawarar ƙwararren IC mai tuƙi na LED mai ci gaba.

9. Kariya daga Zubar da Wutar Lantarki (ESD)

Tsarin semiconductor na AlInGaP yana da hankali ga zubar da wutar lantarki. ESD na iya haifar da gazawa nan take ko lalacewa a ɓoye wanda ke rage tsawon rai.

Matakan Kariya na ESD na Wajibi:

• Dole ne masu aiki su sanya bel ɗin wuyan da aka kafa ko safofin hannu masu hana wutar lantarki lokacin sarrafa LED.
• Dole ne duk tashoshin aiki, kayan aiki, da kayan aiki su kasance da tushe daidai.
• Ajiye da jigilar LED a cikin fakitin hana wutar lantarki.
• Yi amfani da ionizer don kawar da cajin tsaye wanda zai iya taruwa akan ruwan tabarau na filastik yayin sarrafawa.

10. Kwatancen Fasaha & Bambance-bambance

Babban bambancin LTST-C281KGKT-5A shine0.35mm siffa mai siririn gaske. Idan aka kwatanta da daidaitattun LED na SMD (misali, fakitin 0603 ko 0805 waɗanda galibi suna da tsayi 0.6-0.8mm), wannan yana wakiltar raguwa a cikin tsayi fiye da 50%. Wannan fa'ida ce mai mahimmanci don aikace-aikace masu tura iyakokin siririn na'urar.

Amfani da shi nafasahar AlInGaPdon hasken kori yana ba da inganci mafi girma da ingantaccen kwanciyar hankali na launi akan lokaci da zafin jiki idan aka kwatanta da tsofaffin fasahohi kamar na al'ada GaP (Gallium Phosphide) LED kori, waɗanda galibi ba su da haske kuma suna iya samun launin rawaya-kori.

11. Tambayoyin da ake yawan yi (FAQs)

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

A'a, ba kai tsaye ba.Dole ne koyaushe ka yi amfani da resistor mai iyakance ƙarfin lantarki a jere. Misali, tare da wadata 5V, V_Fna 2.0V, da kuma I_Fna 5mA: R = (5V - 2.0V) / 0.005A = 600Ω. Daidaitaccen resistor na 560Ω ko 620Ω zai dace.

11.2 Me ya sa akwai faɗin yanki mai yawa a cikin ƙarfin haske (4.5 zuwa 28 mcd)?

Wannan ya samo asali ne saboda yaduwar samarwa da tsarin rarrabuwa. Lokacin yin oda, zaku iya ƙayyade kwandon ƙarfin (J, K, L, M) da ake buƙata don aikace-aikacenku don tabbatar da mafi ƙarancin matakin haske.

11.3 Me ake nufi da "ruwa mai tsabta" ruwan tabarau?

Yana nufin kayan ruwan tabarau suna da haske kuma ba a watsa su ba. Hasken da aka fitar yana bayyana a matsayin madaidaicin batu mai haske. Don mafi faɗi, mafi watsa katako, za a yi amfani da nau'in ruwan tabarau mai watsawa (madara), amma yawanci yana rage ƙarfin haske akan-axis.

11.4 Ta yaya zan fassara lambar sashi LTST-C281KGKT-5A?

Yayin da cikakken alamar suna ke da mallakar mallaka, abubuwan al'ada sun haɗa da: "LTST" (iyalin samfur), "C281" (girman fakitin/salo), "K" (mai yiwuwa kwandon ƙarfi), "GK" (mai yiwuwa launi/tsawon tsawon kwandon), "T" (tattara kaset da reel), da "5A" (sake dubawa ko bambance-bambance).

12. Nazarin Shari'ar Ƙira

Yanayi:Ƙirar alamar yanayi don sabon agogon waya mai hankali. Babban allon yana da ƙuntatawa mai kauri na 1.0mm, kuma dole ne a ga alamar a ƙarƙashin yanayin haske daban-daban.

Dalilin Zaɓi:Tsayin 0.35mm na LTST-C281KGKT-5A ya ba shi damar dacewa cikin sauki a cikin tarin layukan haɗin agogon (PCB, LED, jagorar haske, ruwan tabarau na waje). Babban ingancin guntun AlInGaP yana tabbatar da isasshen haske (zaɓar Kwandon L ko M) don ganinsa a waje yayin kiyaye ƙarancin wutar lantarki, wanda ke da mahimmanci don tsawon rai na baturi. Faɗin kusurwar dubawa na 130° yana tabbatar da cewa ana iya ganin alamar daga kusurwoyi daban-daban lokacin kallon wuyan hannu. Dacewa tare da reflow na IR yana ba shi damar gyarawa lokaci ɗaya tare da duk sauran abubuwan SMD akan babban allon, yana sauƙaƙe haɗawa.

13. Ƙa'idar Aiki

Ana samar da haske ta hanyar aikin da ake kira electroluminescence a cikin guntun semiconductor na AlInGaP. Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce bakin kofa na diode, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki ("rijiyar quantum"). Lokacin da wani electron ya sake haɗuwa da rami, ana sakin makamashi a cikin siffar photon (ɓangaren haske). Takamaiman abun da ke ciki na Aluminum, Indium, Gallium, da Phosphide atoms a cikin lattice crystal yana ƙayyade makamashin bandgap, wanda kai tsaye yana ƙayyade tsawon tsawon (launi) na hasken da aka fitar. Ga LTST-C281KGKT-5A, an daidaita wannan abun da ke ciki don samar da photons a cikin bakan kori (~574 nm).

14. Trends na Fasaha

Yanayin a cikin LED na nuni da hasken baya yana ci gaba zuwaƙananan da ƙara inganci. Tsayin 0.35mm na wannan na'urar yana wakiltar ci gaba da turawa don abubuwa masu siriri. Ci gaba na gaba na iya mayar da hankali kan fakitin da ya fi siriri, mafi girman ingancin haske (ƙarin fitar da haske kowace watt na shigar da lantarki), da ingantaccen launi ko haɓaka sabbin launuka masu cikakken launi. Haɗawa tare da na'urorin tuƙi ko ƙirƙirar tsararrun LED masu launuka da yawa, waɗanda za'a iya magana da su a cikin tsarin siriri kuma wurare ne masu aiki na bincike da haɓakawa, waɗanda buƙatun daga kayan lantarki na mabukaci, hasken mota, da ci-gaba da fasahar nuni suka motsa.