Bayanin Fasaha na LED na Chip Mai Juya Baya LTST-C21KFKT - Orange - 20mA - 2.4V - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun ƙayyadaddun LED na chip mai haske mai ƙarfi, mai amfani da kayan semiconductor na AlInGaP, wanda ke fitar da hasken orange. An ƙera shi don fasahar haɗawa ta saman (SMT), an tattara shi a cikin tef na 8mm akan reels masu diamita 7-inch, wanda ya sa ya dace da tsarin haɗawa na atomatik. Na'urar ta bi ka'idojin RoHS kuma an rarraba ta a matsayin samfurin kore.

1.1 Fa'idodi na Asali

• Haske Mai Ƙarfi:Yana da chip na AlInGaP mai haske sosai, yana ba da ƙarfin haske mafi girma.
• Zane na Juya Baya:An ƙera fakitin musamman don haɗawa inda saman fitar da haske yana fuskantar PCB, yana ba da damar aikace-aikacen zane na musamman.
• Abokantaka da Atomatik:Daidaitaccen fakitin EIA yana tabbatar da dacewa da kayan aikin sanya atomatik.
• Gishiri Mai Ƙarfi:Ya dace da duka hanyoyin gishiri na infrared (IR) da na lokacin tururi.
• Daidaitaccen IC:Ana iya tuka shi kai tsaye ta hanyar fitar da kewayon haɗin gwiwa tare da iyakancewar halin yanzu da ya dace.

1.2 Aikace-aikacen Manufa

Wannan LED ya dace da aikace-aikace masu yawa waɗanda ke buƙatar ƙaramin mai nuna alama orange mai haske. Amfanin yau da kullun ya haɗa da alamomin yanayi akan kayan lantarki na mabukaci, hasken baya don maɓalli da bangarori, hasken ciki na mota, da nunin kayan aikin daban-daban. Ƙarfinsa na juya baya yana da amfani musamman ga aikace-aikacen da LED ke haɗawa a gefen PCB daga gefen kallo.

2. Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Matsalolin da suka wuce waɗannan iyakoki na iya haifar da lalacewa ta dindindin ga na'urar. Duk ƙimar an ƙayyade a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):75 mW
• Matsakaicin Halin Yanzu na Gaba (I_F(peak)):80 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Halin Yanzu na Gaba (I_F):30 mA DC
• Rage Halin Yanzu:Rage layi daga 50°C a ƙimar 0.4 mA/°C.
• Ƙarfin Juya Baya (V_R):5 V
• Kewayon Zafin Aiki (T_opr):-55°C zuwa +85°C
• Kewayon Zafin Ajiya (T_stg):-55°C zuwa +85°C
• Zafin Gishiri:Yana jure 260°C na dakika 5 (IR/Wave) ko 215°C na mintuna 3 (Lokacin Tururi).

2.2 Halaye na Lantarki da Na Gani

Ma'auni na yau da kullun da aka auna a Ta=25°C da halin yanzu na gaba (I_F) na 20mA, sai dai idan an lura daban.

• Ƙarfin Hasken (I_V):180 mcd (Na yau da kullun). An auna shi tare da firikwensin / tacewa wanda ya kusanta da lanƙwasa amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 70. An bayyana shi azaman cikakken kusurwar inda ƙarfin ya faɗi zuwa rabin ƙimar axial.
• Matsakaicin Tsawon Tsawon (λ_P):611 nm (Na yau da kullun). Matsakaicin ƙarfin bakan.
• Matsakaicin Tsawon Tsawon (λ_d):605 nm (Na yau da kullun). Tsawon tsawon guda ɗaya wanda ke bayyana launin da aka gane, wanda aka samo daga zanen launi na CIE.
• Faɗin Bakan (Δλ):17 nm (Na yau da kullun). Cikakken faɗi a rabin matsakaici (FWHM) na bakan fitarwa.
• Ƙarfin Gaba (V_F):2.4 V (Na yau da kullun), tare da matsakaicin 2.4V a I_F=20mA.
• Halin Yanzu na Juya Baya (I_R):10 µA (Matsakaici) a V_R=5V.
• Ƙarfin Ƙarfi (C):40 pF (Na yau da kullun) da aka auna a V_F=0V, f=1MHz.

3. Bayanin Tsarin Binning

An tsara ƙarfin hasken LED zuwa kwandon don tabbatar da daidaito a cikin rukunin samarwa. Lambar kwandon wani ɓangare ne na zaɓin lambar sashi gabaɗaya.

3.1 Binning Ƙarfin Hasken

Ana auna ƙarfin a daidaitaccen yanayin gwaji na I_F= 20mA. Tolerancin a cikin kowane kwandon shine +/-15%.

• Bin Q:71.0 mcd (Ƙananan) zuwa 112.0 mcd (Matsakaici)
• Bin R:112.0 mcd (Ƙananan) zuwa 180.0 mcd (Matsakaici)
• Bin S:180.0 mcd (Ƙananan) zuwa 280.0 mcd (Matsakaici)
• Bin T:280.0 mcd (Ƙananan) zuwa 450.0 mcd (Matsakaici)

Wannan binning yana ba masu zane damar zaɓar madaidaicin matakin haske don aikace-aikacensu, daidaita farashi da aiki.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa na zane a cikin takardar bayanan (Hoto 1, Hoto 6), ana yin binciken nan gaba bisa bayanan tebur da aka bayar da kuma ka'idodin kimiyyar LED.

4.1 Halin Yanzu na Gaba da Ƙarfin Gaba (Lanƙwasa I-V)

Matsakaicin ƙarfin gaba na 2.4V a 20mA yana nuna cewa wannan LED ne na AlInGaP na yau da kullun. Dangantakar I-V tana da ƙima, halayyar diode semiconductor. Yin aiki sosai sama da halin yanzu da aka ba da shawarar zai haifar da haɓakar zafin haɗuwa da sauri da lalacewa mai sauri.

4.2 Dogaro da Zazzabi

Ƙayyadaddun rage halin yanzu na 0.4 mA/°C sama da 50°C yana da mahimmanci ga amincin. Yayin da zafin haɗuwa ya karu, matsakaicin halin yanzu na ci gaba yana raguwa a layi don hana guduwar zafi. Ƙarfin haske da ƙarfin gaba suma zasu ragu tare da haɓakar zafin jiki, wanda shine na yau da kullun ga LED.

4.3 Halaye na Bakan

Tare da tsayin tsayin tsayi na 611 nm da tsayin tsayin tsayi na 605 nm, LED yana fitar da haske a yankin orange na bakan gani. Ƙunƙun faɗin bakan na 17 nm yana haifar da cikakken launin orange mai tsabta. Bambanci tsakanin kololuwar tsayin tsayi da tsayin tsayi ya faru ne saboda siffar lanƙwasa amsawar ido na ɗan adam.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin da Polarity

LED ya yi daidai da daidaitaccen sawun LED na chip na EIA. An ba da cikakkun zane-zane masu girma don ɓangaren kanta. Zanen juya baya yana nufin saman fitar da haske na asali an yi niyya don haɗawa yana fuskantar allon da'ira da aka buga. Ana nuna polarity ta hanyar alamar fakitin ko tsarin gida na mutu; daidaitaccen alkibla yana da mahimmanci don aiki.

5.2 Tsarin Gidan Gishiri da Aka Ba da Shawara

An ba da tsarin ƙasa da aka ba da shawarar (tsarin gidan gishiri) don tabbatar da samar da haɗin gishiri mai aminci yayin sake kwarara. Yin bin waɗannan shawarwari yana taimakawa wajen hana kabari (ɓangaren da ke tsaye a ƙarshe) kuma yana tabbatar da daidaitawa da taimakon zafi.

6. Jagororin Gishiri da Haɗawa

6.1 Bayanan Gudanar da Gishiri

Takardar bayanan tana ba da shawarar bayanan sake kwarara na infrared (IR) guda biyu: ɗaya don gishiri na SnPb na yau da kullun da ɗaya don hanyoyin gishiri marasa gubar (misali, SnAgCu).

• Tsarin Maras Gubar:Yana buƙatar mafi girman zafin jiki, yawanci har zuwa 260°C, wanda aka ci gaba da shi na matsakaicin dakika 5. Lokacin da ya wuce ruwa (TAL) da ƙimar hawan suna da mahimmanci don guje wa girgizar zafi.
• Kariya:Ba za a iya sanya ɓangaren ga igiyar ruwa ko gishiri na hannu bayan tsarin sake kwarara na farko ba, saboda fakitin filastik bazai iya jure zafin jiki na biyu ba.

6.2 Ajiya da Sarrafawa

• Yanayin Ajiya:An ba da shawarar ajiya yana ƙasa da 30°C da zafi na 70%. Abubuwan da aka cire daga jakar shinge na danshi yakamata a yi amfani da su cikin mako guda.
• Gasasshen:Idan an fallasa shi ga yanayin muhalli fiye da mako guda, ana ba da shawarar gasa a 60°C na sa'o'i 24 kafin gishiri don cire danshin da aka sha kuma don hana "popcorning" yayin sake kwarara.
• Tsaftacewa:Idan ana buƙatar tsaftacewa bayan gishiri, kawai yi amfani da takamaiman kaushi kamar barasa na isopropyl ko barasa na ethyl a zafin daki na ƙasa da minti ɗaya. Tsauraran ko sinadarai marasa ƙayyadaddun suna iya lalata ruwan tabarau na filastik da fakitin.

7. Bayanin Tattarawa da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana ba da LED a cikin tef ɗin mai ɗaukar kaya, an rufe shi da tef ɗin murfi, kuma an nannade shi akan reels masu diamita 7-inch (178mm).

• Filin Aljihu: 8mm.
• Adadin kowane Reel:Guda 3000 (daidaitaccen cikakken reel).
• Ƙananan Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Daidaitaccen Tattarawa:Ya bi ANSI/EIA-481-1-A.
• Abubuwan da suka ɓace:Ana ba da izinin matsakaicin aljihu biyu a jere bisa ga ƙayyadaddun.

8. Bayanan Aikace-aikace da Abubuwan Ƙira

8.1 Ƙirar Kewayen Tuki

LEDs na'urori ne masu tuki na halin yanzu. Don aiki mai tsayayye da daidaito:

• Tuki na Halin Yanzu na Dindindin:Hanyar da aka ba da shawarar ita ce amfani da resistor mai iyakancewar halin yanzu a jere ga kowane LED, kamar yadda aka nuna a cikin "Kewayen A" a cikin takardar bayanan. Wannan yana rama bambancin halitta a cikin ƙarfin gaba (V_F) daga LED ɗaya zuwa wani.
• Guɓe Haɗin Kai Tsaye:Haɗa LED da yawa kai tsaye a layi daya ("Kewayen B") ba a ba da shawarar ba. LED tare da mafi ƙarancin V_Fzai jawo ƙarin halin yanzu, mai yuwuwa ya matsa masa yayin da ya bar sauran duhu, yana haifar da rashin daidaiton haske da rage aminci.
• Ƙididdigar Halin Yanzu:Ƙimar resistor (R) ana ƙididdige ta ta amfani da Dokar Ohm: R = (V_supply- V_F) / I_F. Amfani da V na yau da kullun_Fna 2.4V da I da ake so_Fna 20mA tare da samar da 5V yana ba R = (5 - 2.4) / 0.02 = 130 Ω. Matsakaicin ƙarfin resistor yakamata ya zama I_F²* R.

8.2 Kariya daga Zubar da Wutar Lantarki (ESD)

Wannan LED yana da saukin lalacewa daga zubar da wutar lantarki. Kariya dole ta haɗa da:

• Dole ne ma'aikata su sanya bel ɗin wuyan ƙasa ko safar hannu masu hana tashin hankali.
• Dole ne duk tashoshin aiki, kayan aiki, da kayan aiki su kasance da ƙasa da kyau.
• Yi amfani da masu ionizer don kawar da cajin tsaye wanda zai iya taruwa akan ruwan tabarau na filastik yayin sarrafawa.
• LED masu lalacewar ESD na iya nuna babban halin yanzu na yabo, rage fitar da haske, ko gazawar gabaɗaya.

8.3 Gudanar da Zafi

Ko da yake ƙaramin na'ura, dole ne a yi la'akari da rushewar wutar lantarki (har zuwa 75mW). Tabbatar cewa PCB yana ba da isasshen taimakon zafi, musamman idan yana aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma. Gidan tagulla da alamun suna aiki azaman nutsewar zafi. Dole ne a bi lanƙwasa ragewa don aikace-aikacen sama da 50°C na muhalli.

9. Kwatancin Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED na chip masu fitar da sama, wannan bambance-bambancen juya baya yana ba da fa'idar injiniya mai mahimmanci don takamaiman tsarin PCB inda mai nuna alama yake buƙatar duba daga gefen da ba na sanya kayan aiki ba. Amfani da fasahar AlInGaP yana ba da inganci mafi girma da fitar da orange/ja mai haske idan aka kwatanta da tsofaffin fasahohi kamar GaAsP, yana haifar da ingantaccen gani a ƙananan halin yanzu.

10. Tambayoyin da ake yawan yi (FAQ)

10.1 Shin Zan iya tuka wannan LED ba tare da resistor mai iyakancewar halin yanzu ba?

No.Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki shine dalili na gama gari na gazawar nan take. Ƙarfin gaba ba shi da ƙayyadaddun ƙofa amma halayen halin yanzu da ke gudana ta cikinsa. Ba tare da resistor don iyakance halin yanzu ba, LED zai jawo halin yanzu mai yawa, yana haifar da zafi mai sauri da lalacewa.

10.2 Me yasa akwai bambanci tsakanin Kololuwar Tsawon Tsawon da Tsawon Tsawon?

Kololuwar tsayin tsayi (λ_P) shine wurin jiki na matsakaicin ƙarfin fitarwa daga guntuwar LED. Tsawon tsayin tsayi (λ_d) ƙima ce da aka ƙididdige ta bisa yadda idon ɗan adam ke fahimtar launin wannan bakan. Yana wakiltar tsayin tsayi guda ɗaya na launin bakan tsantsa wanda zai bayyana yana da launi iri ɗaya. Ga LED orange/ja, tsayin tsayin tsayi sau da yawa ya ɗan gajarta fiye da kololuwar tsayin tsayi saboda lanƙwasa hankali na ido.

10.3 Menene "Juya Baya" ke nufi ga ƙirar PCB?

Yana nufin LED an haɗa shi tare da babban saman fitar da haske yana fuskantarƙasazuwa ga PCB. Hasken yana fita ta cikin kayan ƙasa ko kuma yana nunawa. Wannan yana buƙatar daidaitaccen buɗaɗɗen buɗe ido ko bututun haske a cikin PCB ko akwati don ba da damar ganin hasken daga gefen gaba. Gidajen gishiri da sawun su ne daidaitattun, amma dole ne a ƙira hanyar gani daidai.

11. Misalin Aikace-aikace na Aiki

11.1 Mai Nuna Yanayin Bangon Gaba tare da Haɗa Baya na PCB

Yi la'akari da ƙarar sauti na mabukaci tare da bangon gaba na aluminum da aka goge. Masu zane suna son ƙaramin mai nuna alamar wutar lantarki orange mai hankali. Maimakon haɗa LED a gaban PCB ɗin sarrafawa a bayan rami a cikin panel, za su iya amfani da wannan LED mai juya baya. An gishiri LED a kanbayana PCB ɗin sarrafawa. Ƙaramin rami da aka haƙa daidai a cikin PCB yana ba da damar hasken daga LED mai juya baya ya wuce. Bangon gaba yana da daidaitaccen ƙaramin buɗaɗɗen buɗe ido ko kuma yana amfani da alamar da ba ta da kyau. Wannan yana haifar da mai nuna alama mai santsi, mara kyau ba tare da wani abin da ake iya gani ba, yana sauƙaƙe haɗawa da inganta kyan gani.

12. Ka'idar Aiki

Wannan LED ya dogara ne akan fasahar semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce ƙarfin haɗin diode, ana shigar da electrons da ramuka cikin yankin aiki daga kayan n-type da p-type, bi da bi. Waɗannan masu ɗaukar caji suna sake haɗuwa da haske, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke cikin gami na AlInGaP yana ƙayyade ƙarfin bandgap, wanda yake daidai da tsayin tsayi (launi) na hasken da aka fitar—a wannan yanayin, orange (~605-611 nm). An haɗa guntu a cikin ruwan tabarau na epoxy mai tsabta wanda ke kare mutuwar semiconductor da kuma siffanta fitar da hasken haske (kusurwar kallo na digiri 70).

13. Trends na Fasaha

Gabaɗayan yanayin a cikin LED masu nuna alama yana zuwa ga inganci mafi girma (lumens da yawa kowace watt), wanda ke ba da damar daidaitaccen haske a ƙananan halin yanzu na tuƙi, rage amfani da wutar lantarki da kayan zafi. Hakanan akwai motsi zuwa ƙaramin ƙarancin binning don duka launi da ƙarfi don tabbatar da daidaito a aikace-aikacen da ke amfani da LED da yawa, kamar nunin cikakken launi ko tsararrun hasken baya. Tattarawa yana ci gaba da haɓaka don ingantaccen aikin zafi da dacewa tare da hanyoyin gishiri marasa gubar, masu zafi. Fakitin juya baya da na gefen gaba suna zama ruwan dare yayin da na'urorin lantarki suka zama sirara kuma ƙirar masana'antu ke buƙatar ƙarin mafita na haske.