LTST-C195KRKSKT LED Mai Launuka Biyu SMD - Ja & Rawaya - 20mA - 75mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-C195KRKSKT na'urar LED ce mai launuka biyu, mai hawa a saman (SMD) wacce ta haɗa da guntuwar semiconductor guda biyu daban-daban a cikin kunshin guda ɗaya: ɗaya yana fitar da hasken ja ɗayan kuma yana fitar da hasken rawaya. An ƙera wannan kayan don aikace-aikacen da ke buƙatar nuna matsayi, hasken baya, ko hasken ado cikin launuka biyu daga wuri ɗaya mai ƙarami. Yana amfani da fasahar guntuwar Ultra Bright AlInGaP (Aluminum Indium Gallium Phosphide), wacce aka sani da ingantaccen haske da kwanciyar hankali. An tattara na'urar a cikin madaidaicin kaset na 8mm akan reels na inci 7, wanda ya sa ya dace da kayan aikin sarrafa kai-da-sanya na zamani.

Babban fa'idodin wannan LED sun haɗa da bin ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari), wanda ya sanya shi a matsayin samfurin kore. An ƙera shi don ya dace da hanyoyin gishiri na gama gari, gami da infrared (IR) da reflow na lokacin tururi, waɗanda suke daidaitattun layukan taron SMT. Kunshin daidaitaccen EIA yana tabbatar da dacewar injina tare da sauran kayan aiki da ɗakunan zane.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar

Aiki da na'urar fiye da waɗannan iyakoki na iya haifar da lalacewa ta dindindin. An ƙayyade ƙimar a yanayin zafin yanayi (Ta) na 25°C. Ga duka guntuwar ja da rawaya, matsakaicin ci gaba na DC na gaba shine 30 mA. Matsakaicin ɓarnawar wutar lantarki ga kowane guntu shine 75 mW. Factor na ragewa na 0.4 mA/°C yana aiki a layi daga 25°C, ma'ana ƙimar ci gaba da aka halatta tana raguwa yayin da yanayin zafi ya ƙaru don hana zafi. Na'urar na iya jure matsakaicin ƙarfin gaba na 80 mA a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun jini). Matsakaicin ƙarfin baya shine 5 V. An ƙayyade kewayon zafin aiki da ajiya daga -55°C zuwa +85°C, yana nuna dacewa don masana'antu da aikace-aikacen muhalli mai faɗi.

2.2 Halayen Lantarki & Gani

Ana auna waɗannan halaye a Ta=25°C tare da ƙarfin gaba (IF) na 20 mA, wanda shine daidaitaccen yanayin gwaji. Ga guntuwar ja, matsakaicin ƙarfin haske (Iv) shine 45.0 millicandelas (mcd), tare da mafi ƙarancin 18.0 mcd. Guntuwar rawaya tana da haske sosai, tare da Iv na 75.0 mcd (m. 28.0 mcd). Duka guntuwar suna da faɗin kusurwar kallo (2θ1/2) na digiri 130, suna ba da tsarin fitar da haske mai faɗi, mai faɗi wanda ya dace da alamun panel.

Matsakaicin tsayin tsayin fitarwa na guntuwar ja (λP) shine 639 nm, tare da babban tsayin tsayi (λd) na 631 nm, yana sanya shi a cikin daidaitaccen yankin ja na bakan gani. Guntuwar rawaya tana fitarwa a matsakaicin tsayin tsayi na 591 nm kuma babban tsayin tsayi na 589 nm. Ramin rabin layin bakan (Δλ) na duka biyun yana kusan 15 nm, yana nuna fitar da launi mai tsafta. Matsakaicin ƙarfin gaba (VF) na duka guntuwar a 20mA shine 2.0 V, tare da matsakaicin 2.4 V. Matsakaicin ƙarfin baya (IR) a 5V shine 10 µA, kuma matsakaicin ƙarfin haɗin gwiwa (C) shine 40 pF.

3. Bayanin Tsarin Binning

Ana rarraba samfurin zuwa kwandon bin bisa ƙarfin haske don tabbatar da daidaito a cikin hasken aikace-aikace. An ayyana lambobin kwandon daban-daban don guntuwar ja da rawaya.

Binning Guntuwar Ja (a 20mA):

- Lambar Kwandon M: 18.0 - 28.0 mcd

- Lambar Kwandon N: 28.0 - 45.0 mcd

- Lambar Kwandon P: 45.0 - 71.0 mcd

- Lambar Kwandon Q: 71.0 - 112.0 mcd

Binning Guntuwar Rawaya (a 20mA):

- Lambar Kwandon N: 28.0 - 45.0 mcd

- Lambar Kwandon P: 45.0 - 71.0 mcd

- Lambar Kwandon Q: 71.0 - 112.0 mcd

- Lambar Kwandon R: 112.0 - 180.0 mcd

Ana amfani da jurewar +/-15% ga kowane kwandon ƙarfi. Masu zane yakamata su ƙayyade lambar kwandon da ake buƙata lokacin yin oda don tabbatar da matakin haske da ake so don aikace-aikacensu, musamman lokacin da ake amfani da LED da yawa tare kuma kamanni iri ɗaya yana da mahimmanci.

4. Bincike Mai Lanƙwasa Ayyuka

Yayin da aka ambaci takamaiman lanƙwasan zane a cikin takardar bayanai (misali, Hoto na 1 don rarraba bakan, Hoto na 6 don kusurwar kallo), bayanan da aka bayar suna ba da damar fahimtar mahimman ayyuka. Dangantakar tsakanin ƙarfin gaba (IF) da ƙarfin haske (Iv) gabaɗaya yana layi a cikin kewayon aiki; tuƙi LED a matsakaicin ƙarfin DC na 30mA zai haifar da fitar da haske mai girma fiye da ma'aunin gwaji na 20mA, kodayake sarrafa zafi ya zama mafi mahimmanci. Ƙarfin gaba (VF) yana nuna ƙaramin bambanci tsakanin guntuwar biyu, yana sauƙaƙa ƙirar da'irar tuƙi. Faɗin kusurwar kallo na digiri 130 halaye ne masu daidaito, ba a shafa su sosai ta hanyar yanayin yanayi ko bambancin zafi a cikin ƙayyadaddun kewayon. Lanƙwasa ragewa da aka nuna ta hanyar factor 0.4 mA/°C yana layi, yana nuna raguwar ƙimar ƙarfin da aka halatta yayin da yanayin zafi ya tashi.

5. Bayanin Injiniya & Kunshin

Na'urar ta yi daidai da daidaitaccen kunshin LED na SMD. Aikin fil ɗin yana da mahimmanci don daidaitaccen ƙirar da'ira: Fil ɗin 1 da 3 an sanya su ga guntuwar LED ja, yayin da fil ɗin 2 da 4 aka sanya su ga guntuwar LED rawaya. Wannan tsari yawanci yana ba da damar sarrafa kowane launi da kansa. An ba da duk ma'auni a cikin milimita tare da daidaitaccen jurewar ±0.10 mm sai dai idan an lura daban. Ana samar da kayan a kan kaset ɗin mai ɗaukar hoto mai faɗin 8mm, wanda aka nannade akan reels tare da diamita inci 7 (178mm). Kowane cikakken reel ya ƙunshi guda 4000. Babban murfin kaset yana rufe aljihun kayan don kariya yayin sarrafawa da jigilar kaya.

6. Jagororin Gishiri & Taro

6.1 Bayanan Gudanar da Reflow

Takardar bayanai tana ba da shawarwarin bayanan reflow na infrared (IR) don duka hanyoyin gishiri na al'ada (tin-lead) da marasa Pb. Don taron mara Pb (ta amfani da man gishiri SnAgCu), shawarar bayanin ya haɗa da matakin preheat, rampa mai sarrafawa zuwa matsakaicin zafin jiki, da lokacin sanyaya. Mahimman ma'auni sune: matsakaicin zafin jiki bai wuce 260°C ba, kuma lokacin da ya wuce 240°C yana iyakance zuwa matsakaicin dakika 10. An kuma magance gishirin igiyar ruwa da gishirin hannu da ƙarfe, tare da ƙaƙƙarfan iyakoki akan zafin jiki (260°C matsakaici don igiyar ruwa, 300°C matsakaici don ƙarfe) da lokacin bayyanawa (10 sec matsakaici don igiyar ruwa, 3 sec matsakaici kowane haɗin gwiwa don ƙarfe).

6.2 Ajiya & Sarrafawa

Yakamata a adana LED a cikin yanayin da bai wuce 30°C da 70% danshin yanayi ba. Da zarar an cire su daga ainihin kunshinsu, mai kariya da danshi, kayan da aka yi niyya don gishirin reflow yakamata a sarrafa su cikin mako guda. Idan ajiya fiye da mako guda ya zama dole, dole ne a adana su a cikin yanayi mai bushewa (misali, akwati mai rufi tare da busassun abu ko nitrogen desiccator) kuma a gasa su a kusan 60°C na aƙalla awanni 24 kafin gishiri don cire danshin da aka sha kuma a hana "popcorning" yayin reflow.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gishiri, kawai yakamata a yi amfani da takamaiman kaushi na barasa. Ana iya nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya. Amfani da marasa ƙayyadaddun ko masu tsaftacewa masu tsattsauran ra'ayi na iya lalata ruwan tabarau na epoxy na LED ko kunshin.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Al'ada

Wannan LED mai launuka biyu ya dace da alamun matsayi da yawa akan kayan lantarki na mabukaci, panel iko na masana'antu, hasken cikin mota, da alamar alama. Misalai sun haɗa da fitilun matsayin wutar lantarki/caji (ja don caji, rawaya don cikakke), alamomin yanayi akan kayan aikin gida, ko hasken ado inda ake son canza launi.

7.2 La'akari da Ƙirar Da'ira

LEDs na'urori ne masu tuƙi. Don tabbatar da daidaiton haske, musamman lokacin haɗa LED da yawa a layi daya, ana ba da shawarar sosai don amfani da resistor mai iyakancewa a jere tare da kowane guntuwar LED (Samfurin Da'ira A). Tuƙi LED da yawa a layi daya ba tare da resistors ɗaya ɗaya ba (Samfurin Da'ira B) ba a ba da shawara ba, saboda ƙananan bambance-bambance a cikin halayen ƙarfin gaba (VF) tsakanin LED ɗaya ɗaya na iya haifar da bambance-bambance masu yawa a cikin raba halin yanzu, saboda haka, haske. Yakamata a yi la'akari da matsakaicin VF na 2.0V a 20mA lokacin ƙirar wutar lantarki mai tuƙi.

7.3 Kariya daga ESD (Zubar da Wutar Lantarki)

LED yana da hankali ga zubar da wutar lantarki. Dole ne a aiwatar da ingantattun matakan sarrafa ESD yayin sarrafawa da taro: yi amfani da bel ɗin wuyan hannu da saman aiki masu tushe, yi amfani da masu ionizer don kawar da cajin tsaye, kuma tabbatar da cewa duk kayan aikin suna da tushe da kyau. Ruwan tabarau na filastik na iya haɓaka cajin tsaye ta hanyar gogayya, wanda iskar ionizer zai iya taimakawa warwarewa cikin aminci.

8. Kwatancen Fasaha & Bambance-bambance

Babban bambancin wannan ɓangaren yana cikin ikonsa na launuka biyu a cikin kunshin SMD na daidaitaccen guda ɗaya, yana adana sararin allo idan aka kwatanta da amfani da LED guda biyu daban. Amfani da fasahar AlInGaP don duka launuka yana ba da inganci mafi girma da ingantaccen kwanciyar hankali na zafi idan aka kwatanta da tsofaffin fasahohi kamar daidaitaccen GaP. Faɗin kusurwar kallo na digiri 130 fa'ida ce mai mahimmanci idan aka kwatanta da LED masu kunkuntar kusurwa lokacin da ake buƙatar haske mai faɗi, ko da yake. Bayyananniyar dacewa tare da bayanan reflow marasa Pb, masu zafi mai zafi ya sa ya dace da hanyoyin samarwa na zamani, masu bin ka'idojin RoHS.

9. Tambayoyin da ake yawan yi (FAQs)

Q: Shin zan iya tuƙi duka guntuwar ja da rawaya lokaci guda a matsakaicin ƙarfinsu?

A: Matsakaicin ƙimar shine kowane guntu. Koyaya, aiki lokaci guda a 30mA kowane yana nufin jimillar ɓarnawar wutar lantarki har zuwa 150mW don kunshin. Dole ne mai zane ya tabbatar da shimfidar PCB da yanayin yanayi suna ba da damar isasshen zubar da zafi don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci.

Q: Menene bambanci tsakanin tsayin tsayi da babban tsayin tsayi?

A: Tsayin tsayi (λP) shine tsayin tsayin da bakan fitarwa yake da mafi girman ƙarfinsa. Babban tsayin tsayi (λd) an samo shi daga ma'auni na launi akan zanen launi na CIE kuma yana wakiltar launin hasken da aka gani. λP sau da yawa yana da mahimmanci ga aikace-aikacen nuna launi.

Q: Ta yaya zan fassara lambar kwandon lokacin yin oda?

A: Dole ne ku ƙayyade lambar kwandon don kowane launi (misali, Ja: P, Rawaya: Q). Wannan yana tabbatar da cewa kun karɓi LED inda duka guntuwar suka faɗi cikin ƙayyadaddun kewayon ƙarfin haske, yana tabbatar da daidaiton haske a cikin samfurinku.

10: Nazarin Shari'ar Ƙira

Yi la'akari da na'urar ɗaukar hoto da ke buƙatar mai nuna baturi mai matsayi da yawa. LTST-C195KRKSKT guda ɗaya na iya yin wannan aikin: guntuwar ja tana haskakawa lokacin da baturi ya yi ƙasa (<20%), guntuwar rawaya tana haskakawa lokacin caji, kuma duka guntuwar da aka tuƙa a ƙaramin halin yanzu na iya haifar da launin orange don matsakaicin matsayi (misali, matsakaicin baturi). Wannan ƙirar tana adana sarari, tana rage adadin abubuwan, kuma tana sauƙaƙa taro idan aka kwatanta da amfani da LED guda biyu masu hankali. Da'irar za ta buƙaci tashoshi masu zaman kansu guda biyu (misali, daga microcontroller) tare da nasu resistors masu iyakancewa masu haɗawa da maƙallan fil ɗin daidai (1&3 don ja, 2&4 don rawaya). Faɗin kusurwar kallo yana tabbatar da cewa ana iya ganin mai nuna daga kusurwoyi daban-daban.

11. Ka'idar Aiki

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce ƙarfin gaba na halayensa (Vf), electrons da ramuka suna sake haɗuwa a mahadar p-n a cikin kayan AlInGaP. Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki na Aluminum, Indium, Gallium, da Phosphide a cikin lattice crystal semiconductor yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ƙayyade tsayin tsayi (launi) na hasken da aka fitar. Kunshin mai launuka biyu ya ƙunshi guntuwar semiconductor guda biyu daban-daban na zahiri, kowanne an ƙera shi da wani abu daban-daban don fitar da hasken ja da rawaya, bi da bi.

12. Trends na Fasaha

Masana'antar optoelectronics na ci gaba da mai da hankali kan haɓaka ingantaccen haske (lumens a kowace watt), inganta yin launi da jikewa, da haɓaka aminci. Akwai wani yanayi zuwa ga mafi girman ƙarfin wutar lantarki a cikin ƙananan fakitin. Ƙaura zuwa mara Pb da gishiri mai zafi yanzu daidaitacce ne. Bugu da ƙari, haɗin kai shine mahimmin yanayi, tare da fakitin guntu da yawa (kamar wannan LED mai launuka biyu) har ma da tuƙi LED ana haɗa su cikin modules don sauƙaƙe ƙirar samfurin ƙarshe da taro. Tushen fasahar AlInGaP ya kasance zaɓi mai inganci don ja, orange, da LED rawaya saboda ingancinsa da kwanciyar hankali.