LTL-E7939Q2K Fitilar LED Infrared Datasheet - Tsarin Ramin Tsaki - Tsawon Tsawon 850nm - Ƙarfin Haske 20mW/sr - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanan fasaha don babban aikin, LED infrared (IR) da aka ɗora ta hanyar ramin tsaki. Na'urar an ƙera ta don aikace-aikacen da ke buƙatar ingantaccen tushen hasken infrared mai ƙarfi a matsakaicin tsawon tsawon 850 nanometers. Tana da ruwa mai tsabta kuma an gina ta ta amfani da fasahar semiconductor na AlGaAs (Aluminum Gallium Arsenide), wanda ya dace da ingantaccen fitar da infrared. Samfurin ya bi ka'idojin RoHS, yana nuna cewa ba shi da abubuwa masu haɗari kamar gubar (Pb). Babban fa'idodinsa sun haɗa da saurin aiki, babban ƙarfin fitar da haske, da dacewa da daidaitattun na'urorin haɗin kai saboda ƙarancin buƙatun wutar lantarki. An yi niyya don ɗora shi a kan allunan da'ira (PCBs) ko bangarori a cikin sassa daban-daban na kayan lantarki.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Iyakar aikin na'urar an ayyana ta a ƙarƙashin yanayin zafi (Ta) na 25°C. Wuce waɗannan ƙimar na iya haifar da lalacewa na dindindin.

• Rushewar Wutar Lantarki:Matsakaicin 120 mW.
• Matsakaicin Halin Gaba:Matsakaicin 1 A a ƙarƙashin yanayin bugun jini (bugun jini 300 a kowace dakika, faɗin bugun jini 10 μs).
• Halitta na Gaba na DC:Matsakaicin 60 mA don ci gaba da aiki.
• Ƙarfin Juyawa:Matsakaicin 5 V. Yin amfani da mafi girman ƙarfin juyawa na iya rushe haɗin LED.
• Kewayon Zafin Aiki:-30°C zuwa +85°C.
• Kewayon Zafin Ajiya:-40°C zuwa +100°C.
• Zafin Solder na Jagora:260°C na matsakaicin dakika 5, an auna 2.0mm daga jikin LED.

2.2 Halayen Lantarki & Na Gani

Waɗannan sigogi an ƙayyade su a yanayin zafi (Ta) na 25°C kuma suna wakiltar aikin na'urar na yau da kullun.

• Ƙarfin Haske (Ie):Mafi ƙarancin 20.0 mW/sr lokacin da aka tuka shi da halin gaba (IF) na 20mA. Ya kamata a yi la'akari da ainihin ƙimar tare da jurewar ±15%. An yiwa lambar rarrabuwa ta musamman akan jakar tattara samfurin.
• Kusurwar Dubawa (2θ1/2):Yawanci digiri 25, tare da mafi ƙarancin digiri 18. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar axial ta kololuwa.
• Matsakaicin Tsawon Tsawon (λP):Yawanci 850 nm, yana sanya shi a cikin kusancin infrared spectrum.
• Rabin Faɗin Layin Spectral (Δλ):Yawanci 40 nm. Wannan yana ayyana bandwidth na spectral na hasken da aka fitar.
• Ƙarfin Gaba (VF):Yawanci 1.3V, tare da matsakaicin 1.65V a IF = 20mA.
• Halin Juyawa (IR):Matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin juyawa (VR) na 5V.

3. Binciken Lanƙwan Aiki

Takardar bayanai ta haɗa da lanƙwan halaye da yawa waɗanda ke ba da zurfin fahimta game da halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan suna da matuƙar mahimmanci don ƙira da'ira da sarrafa zafi.

3.1 Spectrum

Lanƙwan rarraba spectral yana nuna ƙarfin hasken da aka fitar a tsawon tsawon daban-daban, a tsakiya a kusa da kololuwar 850nm. Rabin faɗin 40nm yana nuna yaduwar fitarwa.

3.2 Ƙarfin Gaba vs. Halin Gaba

Wannan lanƙwan IV yana kwatanta alaƙar da ke tsakanin ƙarfin lantarki a kan LED da halin da ke gudana ta cikinsa. Ba layi ne ba, na yau da kullun na diode. Masu ƙira suna amfani da wannan don tantance ƙarfin tuƙi da ake buƙata don halin aiki da aka yi niyya.

3.3 Ƙarfin Haske Dangane da Halin Gaba na DC

Wannan lanƙwan yana nuna yadda ƙarfin fitarwa na haske ke ƙaruwa tare da ƙara halin tuƙi na DC. Yana taimakawa wajen zaɓar wurin aiki da ya dace don cimma haske da ake so yayin sarrafa ɓarnar wutar lantarki.

3.4 Ƙarfin Haske Dangane da Matsakaicin Halin Yanzu

Don aikin bugun jini, wannan lanƙwan yana nuna alaƙar da ke tsakanin matsakaicin halin yanzu a cikin bugun jini da sakamakon ƙarfin fitarwa na haske, wanda ke da mahimmanci ga aikace-aikace kamar watsa bayanan infrared.

3.5 Ƙarfin Haske Dangane da Zazzabi

Wannan lanƙwan aiki mai mahimmanci ne na thermal. Yana nuna yadda fitarwar haske ke raguwa yayin da yanayin (ko haɗin) zafin jiki ya ƙaru. Fahimtar wannan raguwa yana da mahimmanci don ƙirar tsarin da ke kiyaye aiki mai daidaito a cikin kewayon zafin da aka ƙayyade.

3.6 Jagoranci

Lanƙwan tsarin jagoranci ko radiation yana wakiltar kusurwar dubawa a zahiri, yana nuna yadda ƙarfin ya rarraba a sarari a kusa da tsakiyar axis na LED.

4. Bayanan Injiniya & Marufi

4.1 Girman Marufi

Na'urar daidaitaccen marufin LED ne na ramin tsaki. Muhimman bayanan girma sun haɗa da:

• Duk girmansu suna cikin millimeters (an ba da inci a cikin maƙallan).
• Jurewar gabaɗaya na ±0.25mm (±0.010") ya shafi sai dai idan an ƙayyade.
• Matsakaicin tsinkayar resin a ƙarƙashin flange shine 1.0mm (0.04").
• An auna tazarar jagora a wurin da jagororin suka fito daga jikin marufi.

An yi nuni da zanen girma na musamman a cikin takardar bayanai, yana ba da cikakkun bayanai game da diamita na jiki, tsawon jagora, da tazara.

4.2 Gano Polarity

Don LED na ramin tsaki, yawanci ana nuna polarity ta tsawon jagororin (jagoran da ya fi tsayi yawanci shine anode) ko ta wurin fili a gefen ruwan tabarau na LED. Zanen injiniya na takardar bayanai zai ƙayyade ainihin hanyar ganewa.

5. Jagororin Solder & Taro

Yin amfani da shi daidai yana da mahimmanci don tabbatar da dogaro da hana lalacewa.

5.1 Siffantar Jagora

• Dole ne a yi lanƙwasa a wani wuri aƙalla 3mm daga gindin ruwan tabarau na LED.
• Bai kamata a yi amfani da gindin leadframe a matsayin fulcrum yayin lanƙwasa ba.
• Ya kamata a yi siffantar jagora a daidaitaccen zafin ɗaki kumakafintsarin solder.
• Yayin shigar da PCB, yi amfani da mafi ƙarancin ƙarfin ƙulla don guje wa sanya matsin injiniya mai yawa akan jikin LED.

5.2 Tsarin Solder

• Kiyaye mafi ƙarancin tsabta na 2mm daga gindin ruwan tabarau zuwa wurin solder.
• Kauce wa nutsar da ruwan tabarau cikin solder.
• Kada ku sanya matsin lamba na waje ga jagororin yayin da LED ke da zafi mai yawa daga solder.

Sharuɗɗan Solder da Aka Ba da Shawara:

• Ƙarfe na Solder:Matsakaicin zafin jiki 350°C, na matsakaicin lokaci na dakika 3 (solder sau ɗaya kawai).
• Solder Wave:
  • Pre-heat: Matsakaicin 100°C har zuwa dakika 60.
  • Solder Wave: Matsakaicin 260°C har zuwa dakika 5.

Muhimmin Bayanin Kula:Matsakaicin zafin solder ko lokaci na iya canza siffar ruwan tabarau ko haifar da gazawar LED mai ban tsoro. Solder reflow infrared (IR)baya dace da wannan nau'in LED na ramin tsaki.

5.3 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da kaushi na barasa kamar isopropyl alcohol.

5.4 Ajiya

Don mafi kyawun rayuwar shiryayye:

• Yanayin ajiya bai kamata ya wuce 30°C da 70% zafi ba.
• LEDs da aka cire daga ainihin marufinsu na kariya, ya kamata a yi amfani da su cikin watanni uku.
• Don tsawaita ajiya a waje da ainihin marufi, ajiye a cikin akwati mai rufi tare da desiccant ko a cikin desiccator da aka tsarkake nitrogen.

6. Hanyar Tuƙi & Ƙirar Da'ira

LEDs na'urori ne masu aiki da halin yanzu. Don tabbatar da fitarwar haske mai daidaito, musamman lokacin tuƙa LEDs da yawa, daidaitaccen ƙayyadaddun halin yanzu yana da mahimmanci.

• Da'irar da Aka Ba da Shawara (Da'ira A):Haɗa resistor mai iyakance halin yanzu a jere tare dakowaneLED. Wannan ita ce hanyar da aka fi so saboda tana rama ƙananan bambance-bambance a cikin halin ƙarfin gaba (Vf) tsakanin LED ɗaya, yana tabbatar da haske iri ɗaya a duk na'urori a cikin jeri.
• Da'irar da Ba a Ba da Shawara Ba (Da'ira B):Haɗa LED da yawa kai tsaye a layi daya tare da resistor mai iyakance halin yanzu guda ɗaya ba a ba da shawarar ba. Saboda bambance-bambancen halitta a cikin lanƙwan I-V na kowane LED, halin yanzu (don haka haske) ba za a rarraba shi daidai ba, yana haifar da wasu LED suna da haske fiye da wasu.

7. Kariya daga Zubar da Wutar Lantarki (ESD)

Wannan ɓangaren yana da hankali ga zubar da wutar lantarki. ESD na iya haifar da lalacewa nan take ko a ɓoye, yana bayyana a matsayin babban halin yanzu na juyawa, ƙarancin ƙarfin gaba mara kyau, ko gazawar haskakawa a ƙananan halin yanzu.

Matakan Rigakafi:

• Ma'aikata ya kamata su sanya igiyoyin wuyan wuyan wuyan hannu ko safofin hannu masu hana tashin hankali lokacin sarrafa LEDs.
• Duk kayan aiki, wuraren aiki, da injuna dole ne a kafa su da kyau.
• Yi amfani da ionizers don kawar da cajin tsaye wanda zai iya taruwa akan saman ruwan tabarau na filastik saboda gogayyar sarrafawa.

Tabbatar da Lalacewar ESD:Duba LEDs da ake zargi ta hanyar gwada haskakawa da auna ƙarfin gaba (Vf) a ƙananan gwajin halin yanzu.

8. Bayanan Marufi & Oda

8.1 Ƙayyadaddun Marufi

Ana ba da samfurin a cikin tsarin marufi mai matakai da yawa:

• Naúrar Asali:1,000 guda a kowace jakar tattara anti-static.
• Carton na Ciki:Ya ƙunshi jakunkuna 6, jimlar 6,000.
• Carton na Waje:Ya ƙunshi cartons na ciki 8, jimlar 48,000.

8.2 Tsarin Lambar Bangare

Lambar bangare LTL-E7939Q2K tana ɓoye mahimman halaye:

• LTL:Mai ganowa dangin samfur.
• E7939:Takamaiman samfurin na'ura/silsila.
• Q2K:Wataƙila yana nuna takamaiman binning don ƙarfin haske da/ko kusurwar dubawa kamar yadda lambar rarrabuwa da aka yiwa alama akan jakar (misali, ƙarfi a cikin kewayon 18-21.5 mW/sr min, kusurwar dubawa 20-29 deg typ).

9. Shawarwari na Aikace-aikace & Abubuwan Ƙira

9.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan babban ƙarfin LED IR na 850nm ya dace da aikace-aikace masu yawa ciki har da, amma ba'a iyakance ga:

• Haskakawar Infrared:Don kyamarori na tsaro, tsarin hangen dare, da hangen nesa na injina a cikin yanayi mara haske.
• Hankalin Gani:Na'urori masu auna kusanci, gano abu, da mutum-mutumi masu bin layi.
• Watsa Bayanai:Haɗin bayanan infrared (IrDA), masu sarrafa nesa (inda babban ƙarfin ya faɗaɗa kewayo), da masu ɓoye na gani.
• Kayan Aiki na Masana'antu:Hankalin matsayi, ƙidaya, da na'urori masu auna katsewar haske.

9.2 Abubuwan Ƙira

• Gudanar da Zafi:Yayin da na'urar za ta iya sarrafa 120mW, yin aiki a ko kusa da matsakaicin halin yanzu na DC (60mA) zai haifar da zafi. Tabbatar da isasshen yanki na tagulla na PCB ko heatsinking idan ana amfani da shi a cikin yanayin zafi mai yawa don hana raguwar aiki da tsawaita rayuwa.
• Ƙirar Gani:Kusurwar dubawa ta yau da kullun ta digiri 25 tana ba da katako mai mai da hankali. Don faɗaɗa ɗaukar hoto, ƙila ana buƙatar na'urori na gani na biyu (masu watsawa). Don tsawon lokaci, ana iya amfani da ruwan tabarau don daidaita katako.
• Da'irar Direba:Koyaushe yi amfani da direban halin yanzu mai tsayi ko resistor na jere. Lissafa ƙimar resistor bisa ga ƙarfin wutar lantarki (Vs), matsakaicin ƙarfin gaba na LED (Vf), da halin aiki da ake so (If): R = (Vs - Vf) / If. Yi la'akari da jurewar Vf da bambance-bambancen ƙarfin wutar lantarki.
• Kariyar ESD a cikin Da'ira:A cikin yanayin da ke da saurin ESD, yi la'akari da ƙara diodes na matsa lamba na wucin gadi (TVS) ko wasu abubuwan kariya akan layukan da aka haɗa zuwa LED.

10. Kwatancen Fasaha & Bambance-bambance

Idan aka kwatanta da daidaitattun LEDs na gani ko ƙananan ƙarfin IR LEDs, wannan na'urar tana ba da fa'idodi daban-daban:

• Babban Ƙarfin Haske:Mafi ƙarancin 20 mW/sr yana ba da ƙarfin siginar ƙarfi don hankali da haskakawa, yana ba da damar tsawon nisa na aiki ko ƙananan buƙatun karɓar karɓa.
• Babban Ƙarfin Sauri:Ƙarfin sarrafa matsakaicin halin yanzu na 1A a cikin ƙananan bugun jini (10μs) ya sa ya dace da aikace-aikacen watsa bayanai da aka daidaita.
• Yin Biyayya ga RoHS:Ya cika ka'idojin muhalli na zamani don ƙirar maras gubar.
• Amincin Ramin Tsaki:Marufin ramin tsaki yana ba da haɗin injiniya mai ƙarfi da ingantaccen jagorar zafi zuwa PCB idan aka kwatanta da wasu madadin ɗora saman, wanda yana da amfani ga babban aikin wutar lantarki.

11. Tambayoyin da Ake Yawan Yi (FAQs)

11.1 Menene bambanci tsakanin ƙarfin haske (mW/sr) da ƙarfin haske (mcd)?

Ƙarfin haske yana auna ainihin ƙarfin gani da aka fitar a kowane kusurwa mai ƙarfi (steradian), ba tare da la'akari da hankalin idon ɗan adam ba. Ana amfani da shi don na'urorin infrared da ultraviolet. Ƙarfin haske yana da nauyi ta hanyar amsawar idon ɗan adam (wanda ya dace da hasken rana) kuma ana auna shi a cikin candelas (cd) ko millicandelas (mcd). Yana da ma'ana kawai ga hasken da ake iya gani. Wannan LED IR an ƙayyade shi da kyau a cikin mW/sr.

11.2 Zan iya tuƙa wannan LED kai tsaye daga fil ɗin microcontroller na 3.3V ko 5V?

No.Filayen microcontroller suna da iyakataccen ƙarfin samar da halin yanzu/ɓarna (yawanci 20-50mA max) kuma ba a ƙera su don tuƙi mai tsayin halin yanzu ba. Haɗa LED kai tsaye zai yiwu ya wuce kima fil ɗin, ya lalata microcontroller, kuma ya ba da halin yanzu mara sarrafawa ga LED. Koyaushe yi amfani da da'irar direba tare da resistor na jere ko takamaiman IC direban LED.

11.3 Me yasa akwai jurewar ±15% akan ƙarfin haske?

Wannan bambance-bambancen al'ada ne na asali a cikin hanyoyin masana'antu na semiconductor. Ana bin (rarraba) LEDs bisa ga ƙarfin da aka auna. Takamaiman "lambar rarrabuwa" akan jakar tattara yana nuna wane rukunin ƙarfi ne LEDs ke ciki, yana ba masu ƙira damar zaɓar sassa tare da aiki mai daidaito don aikace-aikacensu.

11.4 Shin ana buƙatar tace IR don mai karɓa?

A yawancin aikace-aikace, i. Yin amfani da tace bandpass na 850nm akan mai karɓa (photodiode ko firikwensin) na iya inganta ma'aunin sigina zuwa amo sosai ta hanyar toshe hasken gani na yanayi da sauran tushen IR da ba a so (kamar hasken rana ko kwan fitila), yana sa tsarin ya zama mai dogaro, musamman a cikin yanayin hasken rana.

12. Misalin Aikace-aikace na Aiki

Shari'ar Ƙira: Mai Hankalin Kusanci IR Mai Sauƙi

Manufa:Gano wani abu a cikin 10cm.

Ƙira: 1. Da'irar Emitter:Tuƙi LTL-E7939Q2K LED tare da halin yanzu mai tsayi na 20mA. Yin amfani da wadataccen wutar lantarki na 5V da matsakaicin Vf na 1.3V, lissafa resistor na jere: R = (5V - 1.3V) / 0.020A = 185 Ohms. Yi amfani da daidaitaccen resistor 180 ko 200 Ohm. 2.Da'irar Mai Karɓa:Sanya phototransistor silicon ko photodiode mai hankali ga hasken 850nm 'yan santimita daga LED, a daidaita akan axis ɗaya. Yi amfani da photodiode mai juyawa tare da amplifier na transimpedance ko phototransistor a cikin saukin sauyawa. 3.Aiki:LED yana ci gaba da fitar da hasken IR. Lokacin da wani abu ya shiga yankin ganowa, yana mayar da wasu wannan haske zuwa mai karɓa. Siginar fitarwa na mai karɓa yana ƙaruwa, wanda mai kwatanta ko microcontroller ADC zai iya karantawa don kunna aiki. 4.Abubuwan La'akari:Kare mai karɓa daga fallasa kai tsaye ga mai fitarwa don hana jikewa. Yi amfani da hasken da aka daidaita (bugun jini na LED) da da'irar ganowa na aiki tare a cikin mai karɓa don sa tsarin ya zama maras lafiya ga sauye-sauyen hasken yanayi.

13. Ka'idar Aiki

Wannan na'urar fitilar diode ce mai haskakawa bisa haɗin semiconductor na AlGaAs. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce kofa na haɗin (kusan 1.3V), ana shigar da electrons da ramuka a kan haɗin. Haɗuwarsu tana sakin makamashi a cikin siffar photons (haske). Takamaiman abun da ke ciki na kayan semiconductor na Aluminum Gallium Arsenide (AlGaAs) yana ƙayyade makamashin bandgap, wanda kai tsaye yayi daidai da tsawon tsawon photons da aka fitar—a wannan yanayin, kusan 850nm, wanda yake cikin kusancin yankin infrared na bakan lantarki, wanda ba a iya gani da idon ɗan adam.

14. Trends na Fasaha

Fasahar LED infrared tana ci gaba da haɓaka. Trends na gabaɗaya a cikin masana'antu sun haɗa da:

• Ƙara Ingantaccen Aiki:Haɓaka sabbin kayan semiconductor da tsarin epitaxial (kamar rijiyoyin ƙidaya da yawa) don cimma mafi girman ingancin bangon toshe (ƙarin fitarwar haske a kowace wutar lantarki), rage samar da zafi da amfani da wutar lantarki.
• Matsakaicin Ƙarfin Wutar Lantarki:Ci gaba a cikin marufi da sarrafa zafi yana ba da damar ƙananan na'urori don sarrafa manyan halayen tuƙi, yana ba da damar ƙarin ƙanƙanta da ƙarfin tsarin haskakawa na IR.
• Bambance-bambancen Tsawon Tsawon:Yayin da 850nm da 940nm suka zama ruwan dare, akwai ci gaba don takamaiman aikace-aikace, kamar 810nm don magani na likita ko takamaiman tsawon tsawon da aka inganta don takamaiman hankali na firikwensin.
• Haɗin kai:Trends zuwa haɗa da'irar direban LED, abubuwan kariya, kuma wani lokacin har ma da firikwensin cikin ƙarin ƙanƙantattun modules ko mafita na tsarin-a-cikin-marufi (SiP) don sauƙaƙa ƙirar mai amfani na ƙarshe.

Waɗannan trends suna nufin samar da mafi ingantaccen, ingantaccen, da mafita na takamaiman aikace-aikace don ƙaruwar kasuwanni a cikin hangen nesa na injina, hankalin halittu, LiDAR, da sadarwar gani.