LTST-C191KRKT-5A SMD LED Takardar Bayani - Tsawon 0.55mm - Farashin Gaba na 2.0V - Watsawar Wutar 75mW - Launi Ja - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTST-C191KRKT-5A na'urar haɗawa ta saman (SMD) ce mai fitar da haske (LED) wanda aka tsara don aikace-aikacen lantarki na zamani masu ƙarami. Babban sifofinsa shi ne tsawonsa mai ƙarancin gaske, wanda yake milimita 0.55 kawai. Wannan ya sa ya dace sosai don aikace-aikace inda sarari ya takura, kamar a cikin na'urorin nuni masu siriri, na'urorin hannu, da kayan hasken baya. Na'urar tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntu mai fitar da haske, wanda aka sani da samar da hasken ja mai inganci. Ana ba da LED akan kaset ɗin daidaitaccen masana'antu mai nisan milimita 8 akan reels masu diamita inci 7, wanda ke sauƙaƙe tsarin haɗawa ta atomatik mai sauri. Ya cika ka'idojin RoHS (Ƙuntata Abubuwa Masu Hatsari), wanda ya sanya shi a matsayin samfurin kore.

2. Zurfin Bayanan Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda bayan su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba. Muhimman ma'auni sun haɗa da matsakaicin watsawar wutar lantarki na milliwatts 75 (mW) a yanayin zafin yanayi (Ta) na 25°C. Matsakaicin ci gaba na yanzu (DC) an ƙididdige shi a 30 mA. Don aikin bugun jini, ana iya yarda da kololuwar gaba na 80 mA a ƙarƙashin takamaiman sharuɗɗa: cikakken aiki na 1/10 da faɗin bugun jini na millis 0.1. Na'urar na iya jure ƙarfin juyawa har zuwa volts 5. Kewayon zafin aiki daga -30°C zuwa +85°C ne, yayin da kewayon zafin ajiya ya fi faɗi kaɗan daga -40°C zuwa +85°C. Muhimmin ƙima don haɗawa shine yanayin haɗa infrared, wanda ke ƙayyadaddun cewa LED na iya jure zafin kololuwar 260°C na daƙiƙa 5 kawai.

2.2 Halayen Lantarki da Hasken Gani

Ana auna waɗannan halayen a daidaitaccen yanayin gwaji na Ta=25°C da ƙarfin gaba (IF) na 5 mA, sai dai idan an faɗi. Ƙarfin haske (Iv), ma'auni na hasken da ake gani, yana da ƙima ta yau da kullun amma ana rarrabe shi tare da mafi ƙarancin daga 7.1 mcd zuwa 28.0 mcd (duba Sashe na 3). Kusurwar kallo (2θ1/2), wanda aka ayyana shi azaman cikakken kusurwar da ƙarfin ya ragu zuwa rabin ƙimar axial, yana da faɗin digiri 130, yana ba da tsarin fitarwa mai faɗi. Tsayin tsayin fitarwa (λP) yawanci nanometa 639 (nm) ne, yayin da mafi rinjaye tsayin tsayi (λd), wanda ke ayyana launin da ake gani, shine 630 nm. Faɗin bakan (Δλ) yana kusan 20 nm. Ƙarfin gaba (VF) a 5 mA yana da ƙima ta yau da kullun na volts 2.0, tare da kewayon daga 1.6V zuwa 2.2V, kuma yana ƙarƙashin rarrabuwa. Juyawar halin yanzu (IR) shine matsakaicin microamperes 10 a 5V juyawa, kuma ƙarfin haɗin gwiwa (C) yawanci picofarads 40 ne.

3. Bayanin Tsarin Rarrabuwa (Binning)

Don tabbatar da daidaito a cikin samar da yawa, ana rarraba LED zuwa rukunin aiki. LTST-C191KRKT-5A yana amfani da tsarin rarrabuwa mai girma biyu.

3.1 Rarrabuwar Ƙarfin Gaba

Ana rarraba ƙarfin gaba zuwa lambobi shida (1 zuwa 6). Kowane rukunin yana wakiltar kewayon volt 0.1, farawa daga 1.6-1.7V don Rukunin 1 har zuwa 2.1-2.2V don Rukunin 6. Ana amfani da jurewar ±0.1V ga kowane rukunin. Wannan yana ba masu zane damar zaɓar LED tare da daidaitaccen VF don aikace-aikace inda raba halin yanzu daidai a cikin haɗin kai yake da muhimmanci.

3.2 Rarrabuwar Ƙarfin Hasken Gani

Ana rarraba ƙarfin haske zuwa lambobi huɗu: K, L, M, da N. Rukunin K ya ƙunshi ƙarfi daga 7.10 zuwa 11.2 millicandelas (mcd), Rukunin L daga 11.2 zuwa 18.0 mcd, Rukunin M daga 18.0 zuwa 28.0 mcd, da Rukunin N daga 28.0 zuwa 45.0 mcd, duk an auna su a IF=5mA. Ana amfani da jurewar ±15% ga kowane rukunin ƙarfi. Wannan tsarin yana ba da damar zaɓi bisa matakan haske da ake buƙata, yana taimakawa wajen samun kamanni iri ɗaya a cikin jerin LED da yawa.

4. Bincike akan Lakatun Aiki

Yayin da aka ambaci takamaiman lakatun a cikin takardar bayani (misali, Hoto na 1 don rarraba bakan, Hoto na 6 don kusurwar kallo), ana iya bayyana yanayinsu. Dangantakar tsakanin ƙarfin gaba (IF) da ƙarfin gaba (VF) ba ta da layi kuma tana bin halayen diode na yau da kullun. Ƙarfin haske yana kusan daidai da ƙarfin gaba a cikin kewayon aiki. Tsayin tsayin kololuwa (λP) da tsayin tsayi mafi rinjaye (λd) na iya nuna ɗan ƙaramin ƙaramin zafin jiki, ma'ana suna iya matsawa zuwa tsayin tsayi (ja-juyawa) yayin da zafin haɗin gwiwa ya ƙaru. Ƙarfin gaba yawanci yana raguwa tare da ƙaruwar zafin jiki.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED yana da daidaitaccen ƙafar kunshin EIA na masana'antu. Muhimmin girma shi ne tsayin da ba shi da ƙarfi na 0.55 mm. Cikakkun zane-zanen injiniya suna ƙayyadaddun tsayi, faɗi, tazarar jagora, da sauran mahimman girma, duk tare da daidaitaccen jurewar ±0.10 mm sai dai idan an faɗi. Ruwan tabarau yana da tsabta, yana ba da damar ainihin launin ja na guntun AlInGaP ya fita ba tare da watsewa ba.

5.2 Gano Polarity da Ƙirar Ƙafar

Takardar bayani ta haɗa da shawarar shimfidar ƙafar haɗawa (tsarin ƙasa) don ƙirar PCB. An inganta wannan tsarin don samar da haɗin haɗin gwiwa mai dogaro da kwanciyar hankali na injiniya yayin sake kwarara. Ana gano cathode ta hanyar alamar gani akan kunshin LED, kamar tsaga, kore dot, ko yanke kusurwa akan ruwan tabarau. Daidaitaccen daidaitawar polarity yana da mahimmanci don aikin na'urar.

6. Jagorar Haɗawa da Haɗawa

6.1 Bayanan Sake Kwarara

Na'urar ta dace da duka hanyoyin sake kwarara na infrared (IR) da tururi. An ba da shawarar bayanan sake kwarara guda biyu: ɗaya don manne gami na yau da kullun (tin-lead) ɗayan kuma don manne gami maras gubar (SnAgCu). Bayanin maras gubar yana da buƙatu mafi girma, yana buƙatar kulawa mai kyau na matakan dumama, jiƙa, sake kwarara, da sanyaya don hana girgizar zafi yayin tabbatar da ingantaccen haɗin haɗin gwiwa. Matsakaicin yanayin da LED kanta ke buƙata shine zafin kololuwar 260°C na daƙiƙa 5.

6.2 Ajiya da Gudanarwa

Ya kamata a adana LED a cikin yanayi wanda bai wuce 30°C da zafi na 70% ba. Da zarar an cire su daga ainihin kunshinsu na hana danshi, ana ba da shawarar kammala tsarin haɗa sake kwarara na IR cikin sa'o'i 672 (kwanaki 28). Don ajiya mai tsawo a waje da ainihin jakar, ya kamata a adana LED a cikin akwati mai rufi tare da busassun abu ko a cikin yanayin nitrogen. Abubuwan da aka adana fiye da sa'o'i 672 na iya buƙatar tsarin gasa (misali, 60°C na awanni 24) don cire danshin da aka sha kuma hana "popcorning" yayin sake kwarara.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan haɗawa, kawai ya kamata a yi amfani da takamaiman kaushi. Tsoma LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya ana iya yarda da shi. Amfani da marasa ƙayyadaddun ko masu tsaftacewa na sinadarai masu ƙarfi na iya lalata ruwan tabarau na filastik da kunshin.

7. Bayanin Kunshin da Oda

Daidaitaccen kunshin shine kaset ɗin mai ɗaukar hoto mai faɗin milimita 8 akan reels masu diamita inci 7 (178mm). Kowane reel yana ƙunshe da guda 5000 na LTST-C191KRKT-5A LED. Aljihun kaset ɗin an rufe shi da takardar rufin saman kariya. Kunshin yana bin ma'auni na ANSI/EIA 481-1-A-1994. Don adadin ƙasa da cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 ya shafi ragowar sassa.

8. Shawarwarin Aikace-aikace

8.1 Daidaitattun Da'irori na Aikace-aikace

LED na'urori ne masu tuƙi na halin yanzu. Don tabbatar da daidaiton haske lokacin tuƙa LED da yawa a layi daya, ana ba da shawarar sosai don amfani da resistor mai iyakancewa na halin yanzu a cikin jerin tare da kowane LED. Kuskuren da'ira na gama gari shine haɗa LED da yawa kai tsaye a layi daya zuwa tushen halin yanzu guda ɗaya (Da'ira B a cikin takardar bayani). Saboda bambance-bambancen halitta a cikin halayen ƙarfin gaba (VF) tsakanin LED ɗaiɗaikun, wannan na iya haifar da rashin daidaiton halin yanzu mai tsanani, inda LED ɗaya zai iya ɗaukar mafi yawan halin yanzu kuma ya yi zafi sosai, yayin da wasu suka kasance duhu. Resistor na jerin ga kowane LED yana taimakawa wajen daidaita halin yanzu da haɓaka haske iri ɗaya.

8.2 Kariya daga Zubar da Lantarki (ESD)

LED yana da hankali ga zubar da lantarki. Dole ne a ɗaukar matakan kariya yayin sarrafawa da haɗawa: ma'aikata ya kamata su sanya bel ɗin wuyan hannu ko safofin hannu masu hana tashin hankali; duk tashoshin aiki, kayan aiki, da rumfunan ajiya dole ne a kafa su da kyau; kuma ana iya amfani da ionizer don kawar da cajin tsaye wanda zai iya taruwa akan ruwan tabarau na filastik. Lalacewar ESD baz a iya gani nan da nan ba amma na iya lalata aiki ko haifar da gazawa da wuri.

9. Kwatancen Fasaha da Bambance-bambance

Babban fa'idar bambance-bambance na LTST-C191KRKT-5A shine tsayinsa na 0.55mm, wanda ya fi yawa da yawa daidaitattun SMD LED (misali, kunshin 0603 ko 0805 waɗanda galibi sun fi 0.8mm tsayi). Amfani da fasahar AlInGaP yana ba da ingantaccen haske don hasken ja idan aka kwatanta da tsofaffin fasahohi kamar GaAsP, yana haifar da fitarwa mai haske don irin wannan tuƙi. Faɗin kusurwar kallo na digiri 130 wani fa'ida ne don aikace-aikacen da ke buƙatar haske mai faɗi maimakon hasken da aka mayar da hankali.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Shin zan iya tuƙa wannan LED ba tare da resistor na jerin ba?

A: Ba a ba da shawarar ba. Tuƙi LED kai tsaye daga tushen ƙarfin lantarki ba tare da iyakance halin yanzu ba zai iya lalata shi saboda yawan halin yanzu. Koyaushe yi amfani da resistor na jerin ko direban halin yanzu na yau da kullun.

Q: Menene bambanci tsakanin tsayin kololuwa da tsayin tsayi mafi rinjaye?

A: Tsayin tsayin kololuwa (λP) shine tsayin tsayin da fitar da ƙarfin bakan ya fi girma. Tsayin tsayi mafi rinjaye (λd) an samo shi daga daidaitattun launi kuma yana wakiltar tsayin tsayi guda ɗaya na haske mai launi ɗaya wanda idon ɗan adam zai gane shi da irin wannan launi. λd ya fi dacewa don ƙayyadaddun launi.

Q: Ta yaya zan fassara lambar bin a cikin lambar sashi?

A: Lambar sashi LTST-C191KRKT-5A ta ƙunshi bayanan bin. Sashen "KRKT" yawanci yana ɓoye lambobin ƙarfi da ƙarfin lantarki. Duba jerin lambobin bin a cikin takardar bayani don fahimtar takamaiman kewayon aikin sashen da aka oda.

11: Nazarin Shari'ar Zane na Aiki

Yi la'akari da zana panel mai nuna matsayi don na'urar likita mai ɗaukuwa. Sarari yana da iyaka sosai, kuma dole ne a iya karanta panel daga kusurwoyi daban-daban. Tsawon 0.55mm na LTST-C191KRKT-5A yana ba shi damar dacewa a bayan siririn bezel na gaba. Zaɓin LED daga rukunin ƙarfi iri ɗaya (misali, duk daga Bin "M") yana tabbatar da cewa duk fitilun nuna suna da haske iri ɗaya. Yin amfani da resistor na jerin ga kowane LED, wanda aka ƙididdige shi bisa ga ƙarfin wadata da kuma VF na yau da kullun na 2.0V a halin yanzu da ake so (misali, 5-10 mA), yana ba da garantin aiki mai ƙarfi da tsawon rai. Faɗin kusurwar kallo na digiri 130 yana tabbatar da cewa ana iya ganin mai nuna ko da lokacin da aka duba na'urar daga gefe.

12. Gabatarwar Ka'idar Aiki

LED diode ne na haɗin gwiwar semiconductor p-n. Lokacin da aka yi amfani da ƙarfin gaba, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin haɗin gwiwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, ana sakin makamashi a cikin nau'in photons (haske). Takamaiman kayan semiconductor (AlInGaP a wannan yanayin) yana ƙayyade ƙarfin bandgap, wanda kuma ke ƙayyade tsayin tsayi (launi) na hasken da aka fitar. LED ja AlInGaP yana da ƙarfin bandgap daidai da photons a cikin ɓangaren ja na bakan gani (~630-640 nm).

13. Trends na Fasaha

Trend a cikin SMD LED don masu amfani da lantarki na masana'antu yana ci gaba zuwa ƙananan ƙira, ingantaccen inganci, da ingantaccen dogaro. Tsayin kunshin yana raguwa don ba da damar samfuran ƙarshe masu siriri. Ingantattun inganci (ƙarin fitar da haske a kowace watt na shigar da lantarki) ana motsa su ta ci gaba a cikin ƙirar guntu, girma epitaxial, da ingantaccen cirewa na kunshin. Hakanan an mayar da hankali kan haɓaka daidaiton launi da kwanciyar hankali akan zafin jiki da tsawon rai. Karɓar abubuwan da ba su da gubar da masu jure zafi a cikin kunshin daidaitaccen ne don biyan ka'idojin muhalli da jurewa matsanancin tsarin haɗawa.