LTST-S320KFKT LED Mai Haske Orange SMD - EIA Package - 20mA - AlInGaP Chip - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun fasaha na babban LED mai haske, mai kallon gefe (SMD). Na'urar tana amfani da guntu na AlInGaP wanda aka sani da samar da haske mai ƙarfi da inganci a cikin kewayon launin orange-ja. An ƙera shi da ruwan tabarau mai tsabta don ƙara fitar da haske kuma an yi shi da ƙarfe mai laka don ingantacciyar haɗawa. Ya bi doka ta RoHS, wanda ya sa ya zama samfurin kore da ya dace da masana'antar lantarki ta zamani.

Ana ba da LED a cikin kaset ɗin 8mm akan reels masu diamita 7-inch, wanda ya sa ya dace da na'urorin haɗawa ta atomatik. Ƙirar sa kuma ta dace da hanyoyin haɗawa ta infrared (IR) reflow, wanda shine daidaitaccen tsari na samar da allunan lantarki masu haɗawa. Halayen lantarki sun dace da matakan IC na yau da kullun, wanda ke sauƙaƙe ƙirar da'irar tuƙi.

2. Ma'auni na Fasaha: Cikakken Bayani

2.1 Matsakaicin Matsakaicin Ƙididdiga

Waɗannan ƙididdiga suna ayyana iyakokin damuwa wanda idan aka wuce su, na'urar na iya lalacewa dindindin. Ba a garantin aiki a ƙarƙashin ko a waɗannan iyakokin kuma ya kamata a guje su a cikin ƙira 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 raguwar aiki ko tsawon rayuwa ba. Wucewa wannan iyaka yana haifar da haɗarin zafi da gazawa.
• Matsakaicin Halin Gaba (I_FP):80 mA. Wannan shine matsakaicin halin gaba na lokaci-lokaci da aka yarda, yawanci ana ƙayyade shi a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms) don hana hauhawar yanayin haɗuwa mai yawa.
• DC Halin Gaba (I_F):30 mA. Wannan shine matsakaicin ci gaba da halin gaba da aka ba da shawarar don aiki mai dogaro na dogon lokaci. Yanayin aiki na yau da kullun da aka ƙayyade a cikin halayen haske shine 20mA.
• Ƙarfin Juyawa (V_R):5 V. Yin amfani da ƙarfin juyawa da ya wuce wannan ƙimar zai iya haifar da rushewa da gazawar haɗin LED.
• Yanayin Aiki & Ajiya:-30°C zuwa +85°C (aiki), -40°C zuwa +85°C (ajiye). Waɗannan suna ayyana iyakokin muhalli don aikin na'ura da ajiyar aiki, bi da bi.
• Yanayin Haɗawa na Infrared:260°C na dakika 10. Wannan yana ayyana matsakaicin zafin jiki da lokacin jurewa don tsarin haɗawa na reflow, mahimmanci don haɗin mara gubar.

2.2 Halayen Lantarki-Haske

An auna a yanayin yanayi (T_a) na 25°C, waɗannan sigogi suna ayyana aikin na'urar a ƙarƙashin daidaitattun yanayin gwaji.

• Ƙarfin Hasken (I_V):45.0 - 90.0 mcd a I_F= 20mA. Wannan shine hasken da ake gani na LED kamar yadda firikwensin da aka tace ya auna don dacewa da amsawar ido na ɗan adam (lanƙwasa CIE). Faɗin kewayon yana nuna ana amfani da tsarin binning (duba Sashe na 3).
• Kusurwar Dubawa (2θ_1/2):Darajoji 130. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar da aka auna akan-axis. Kusurwar 130° tana nuna tsarin dubawa mai faɗi, na yau da kullun ga LED masu fitar da gefe tare da ruwan tabarau mai tsabta.
• Matsakaicin Tsawon Tsawon (λ_P):611 nm. Wannan shine tsawon tsawon lokacin da fitar da ƙarfin gani na LED ya kasance a matsakaicinsa. Dukiya ce ta zahiri na kayan guntu na AlInGaP.
• Matsakaicin Tsawon Tsawon (λ_d):605 nm. An samo shi daga zanen launi na CIE, wannan shine tsawon tsawon guda ɗaya wanda ya fi wakiltar launin da ido na ɗan adam ke gani na LED. Shi ne maɓalli don ƙayyadaddun launi.
• Rabin Faɗin Layin Gani (Δλ):17 nm. Wannan yana nuna tsabtar gani ko faɗin band na hasken da aka fitar, wanda aka auna a matsayin faɗin bakan a rabin matsakaicin ƙarfinsa. Ƙimar 17nm ta zama ruwan dare ga LED na AlInGaP.
• Ƙarfin Gaba (V_F):2.0V (Mafi ƙanƙanta), 2.4V (Typ) a I_F= 20mA. Wannan shine faɗuwar ƙarfin lantarki a kan LED lokacin aiki. Yana da mahimmanci don ƙirar da'irar iyakancewar halin yanzu.
• Halin Juyawa (I_R):10 μA (Matsakaici) a V_R= 5V. Wannan shine ƙaramin halin yanzu na ɓarna wanda ke gudana lokacin da na'urar ta kasance cikin jujjuyawar cikin matsakaicin ƙimar ta.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon aiki. Ga wannan samfurin, ana amfani da binning ga Ƙarfin Hasken.

Jerin lambobin kwandon suna ƙayyade mafi ƙanƙanta da matsakaicin ƙarfin haske don kowane lambar kwandon lokacin da aka tuƙa shi da daidaitaccen gwajin halin yanzu na 20mA:

• Kwandon P:45.0 - 71.0 mcd
• Kwandon Q:71.0 - 112.0 mcd
• Kwandon R:112.0 - 180.0 mcd
• Kwandon S:180.0 - 280.0 mcd

Ana amfani da jurewar +/-15% ga kowane kwandon ƙarfi. Wannan yana nufin LED da aka yiwa alama a matsayin Kwandon Q zai iya auna tsakanin kusan 60.4 mcd da 128.8 mcd, yana tabbatar da ƙungiya mai ƙarfi fiye da yadda iyakokin kwandon ɗin na iya nunawa. Masu ƙira yakamata su yi la'akari da wannan bambancin ƙarfi lokacin ƙira don mafi ƙarancin buƙatun haske.

4. Bincike na Lanƙwasa Aiki

Takardar bayanai tana nufin lanƙwasan aiki na yau da kullun waɗanda ke da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutun ba, abubuwan da suka shafi su daidai ne.

• Dangantakar Ƙarfin Hasken da Halin Gaba:Wannan lanƙwasa zai nuna cewa fitar da haske yana daidai da halin gaba a cikin kewayon aiki na yau da kullun amma a ƙarshe zai cika ko faɗi a manyan halaye masu yawa saboda tasirin zafi da inganci.
• Dangantakar Ƙarfin Hasken da Yanayin Yanayi:Ga LED na AlInGaP, ƙarfin haske yawanci yana raguwa yayin da zafin haɗuwa ya ƙaru. Wannan lanƙwasa yana da mahimmanci ga aikace-aikacen da ke aiki a cikin yanayin zafi mai girma.
• Ƙarfin Gaba da Halin Gaba:Wannan lanƙwasa mai ma'ana yana nuna alaƙar da ke ayyana V na LED_F. Ba layi ba ne, yana mai da hankali kan buƙatar sarrafa halin yanzu, ba sarrafa ƙarfin lantarki ba.
• Rarraba Gani:Zanen da ke nuna ƙarfin da aka fitar a kan tsayin daka, yana kololuwa a 611nm tare da siffa ta halitta da rabin faɗin 17nm.

5. Bayanin Injiniya da Kunshin

Na'urar ta yi daidai da daidaitaccen fakitin EIA don LED masu kallon gefe. An ba da cikakkun zane-zane masu girma, gami da ma'auni masu mahimmanci kamar tsayin gabaɗaya, faɗi, tsayi, tazarar jagora, da matsayin ruwan tabarau. An kuma ba da shirin shimfidar kafet ɗin haɗawa (tsarin ƙasa) don tabbatar da haɗin haɗawa mai dogaro da daidaitawar daidai yayin reflow. An nuna polarity na na'urar a sarari, yawanci ta alamar akan kunshin ko fasalin da bai dace ba a cikin sawun ƙafa. An ƙayyade girman kunshin tef da reel, yana tabbatar da dacewa da daidaitaccen tef ɗin 8mm da reels 7-inch.

6. Jagororin Haɗawa da Haɗawa

6.1 Bayanin Haɗawa na Reflow

An ba da shirin reflow na infrared da aka ba da shawara don hanyoyin haɗawa mara gubar (mara gubar). Ma'auni masu mahimmanci sun haɗa da matakin pre-heat, ƙayyadaddun ƙimar haɓakawa, matsakaicin zafin jiki wanda bai wuce 260°C ba, da lokacin da ya wuce ruwa (TAL) wanda ya isa don samar da haɗin haɗawa mai kyau. Bayanin ya dogara ne akan ma'auni na JEDEC don tabbatar da dogaron kunshin. An jaddada cewa mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, manna haɗawa, da tanda, don haka ana ba da shawarar siffanta matakin allon.

6.2 Haɗa Hannu

Idan haɗa hannu ya zama dole, ya kamata a yi shi tare da zafin ƙarshen guntun haɗawa wanda bai wuce 300°C ba, kuma lokacin haɗawa ya kamata a iyakance zuwa matsakaicin dakika 3 kowace jagora. Wannan yakamata a yi shi sau ɗaya kawai don hana lalacewar zafi ga fakitin filastik da guntun semiconductor.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan haɗawa, kawai yakamata a yi amfani da kaushi da aka ƙayyade. Takardar bayanai ta ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl alcohol a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Masu tsabtace sinadarai da ba a ƙayyade ba na iya lalata ruwan tabarau na epoxy ko kayan kunshin.

6.4 Ajiya da Gudanarwa

• Hatsarin ESD:LED suna da hankali ga zubar da wutar lantarki (ESD). Ya kamata a yi gudanarwa ta amfani da igiyoyin wuyan hannu, safofin hannu masu hana tashin hankali, da kayan aikin da aka kafa da kyau.
• Hankalin Danshi:Duk da yake reel ɗin da aka rufe yana ba da kariya, da zarar an buɗe jakar hana danshi ta asali, yakamata a yi amfani da LED a cikin mako guda ko a adana su a cikin yanayi mai sarrafawa (<30°C, <60% RH). Don tsawaita ajiya daga cikin jakar, ana ba da shawarar yin gasa a 60°C na sa'o'i 20+ kafin haɗawa don cire danshin da aka sha da hana "popcorning" yayin reflow.

7. Bayanin Kunshin da Oda

Daidaitaccen kunshin shine guda 3000 a kowace reel 7-inch. An rufe tef ɗin da tef ɗin murfi. Akwai ƙayyadaddun adadin madaidaicin aljihu mara komai (biyu) da mafi ƙarancin adadin shiryawa na sauran reels (guda 500). Kunshin yana bin ƙayyadaddun ANSI/EIA-481. Lambar sashi LTST-S320KFKT ta keɓance wannan samfurin: LED orange, mai kallon gefe, AlInGaP a cikin wannan takamaiman kunshin.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED orange mai haske mai kallon gefe ya dace da aikace-aikacen da ke buƙatar nuna matsayi mai faɗi, hasken baya don ƙananan nuni ko bangarori, da hasken kayan ado inda ake son takamaiman launin orange. Tsarinsa na SMD da dacewa da haɗawa da reflow sun sa ya zama manufa don zamani, allunan lantarki masu yawan jama'a (PCBs) a cikin kayan lantarki na mabukaci, bangarorin sarrafa masana'antu, hasken ciki na mota, da kayan aikin ma'aunin.

8.2 Abubuwan Tunani na Ƙira

• Tukin Halin Yanzu:Koyaushe ku tuƙi LED tare da tushen halin yanzu na akai-akai ko tushen ƙarfin lantarki tare da resistor mai iyakancewar halin yanzu. Shawarar halin yanzu na aiki shine 20mA, amma ana iya tuƙa shi har zuwa matsakaicin ƙimar DC na 30mA don ƙarin haske a farashin rage tsawon rayuwa da ƙara zafi.
• Gudanar da Zafi:Duk da yake raguwar wutar lantarki yana da ƙasa, tabbatar da isasshen yanki na tagulla na PCB ko hanyoyin zafi a kusa da kafet ɗin haɗawa na iya taimakawa wajen watsa zafi, musamman lokacin aiki a manyan halaye ko a cikin yanayi mai dumi. Wannan yana kiyaye haske da tsawon rai.
• Ƙirar Gani:Kusurwar dubawa na darajoji 130 tana ba da tsarin fitarwa mai faɗi sosai. Don aikace-aikacen da ke buƙatar ƙarin hasken da aka jagoranta, ruwan tabarau na waje ko jagororin haske na iya zama dole.

9. Kwatancen Fasaha da Bambanci

Babban abin da ya bambanta wannan LED shine haɗin fasahohinsa: amfani da guntu na AlInGaP don hasken orange mai inganci, tsarin kunshin mai kallon gefe don fitarwa mai faɗi, da jagororin da aka lulluɓe da tin don ingantacciyar haɗawa tare da hanyoyin da ke da jagora da maras jagora. Idan aka kwatanta da tsohuwar fasaha kamar GaAsP, AlInGaP yana ba da ingantacciyar inganci mai haske da ingantaccen kwanciyar hankali na zafi. Kunshin ma'auni na EIA yana tabbatar da dacewar injiniya da sauƙin samun maye gurbin ko madadin daga wasu masana'anta.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Wane ƙimar resistor yakamata in yi amfani da shi tare da wadata na 5V?

A: Ta amfani da V na yau da kullun_Fna 2.4V a 20mA, resistor ɗin zai buƙaci faɗuwar 5V - 2.4V = 2.6V. Ta amfani da Dokar Ohm (R = V/I), R = 2.6V / 0.02A = 130 Ohms. Daidaitaccen resistor 130Ω ko 150Ω zai dace. Koyaushe ku lissafta bisa ga mafi yuwuwar V_Fdon tabbatar da cewa halin yanzu bai wuce matsakaicin ƙimar ba.

Q: Zan iya buga wannan LED don ƙarin haske?

A: Ee, takardar bayanai ta ƙayyade Matsakaicin Halin Gaba na 80mA a cikin zagayowar aiki 1/10 tare da faɗin bugun 0.1ms. Bugun jini a mafi girma halin yanzu (misali, 60-80mA) tare da ƙaramin aikin aiki na iya samun mafi girman hasken da ake gani ba tare da wuce iyakokin raguwar matsakaicin wutar lantarki ba. Da'irar direba dole ne ta tabbatar da sigogin bugun jini suna cikin siga.

Q: Me yasa Matsakaicin Tsawon Tsawon (605nm) ya bambanta da Matsakaicin Tsawon Tsawon (611nm)?

A> Matsakaicin tsawon tsawon shine ma'aunin zahiri na mafi girman matsayi na bakan. Matsakaicin tsawon tsawon shine ƙimar da aka lissafta dangane da yadda idon ɗan adam ke fahimtar launi daga dukan bakan da aka fitar. Bambancin yana lissafin siffa da faɗin bakan fitarwa.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Allon Nuna Matsayi don Mai Sarrafa Masana'antu.Mai ƙira yana buƙatar LED na matsayi orange da yawa akan PCB na gaban allon. Sun zaɓi wannan LED saboda faɗin kusurwar dubawa (130°), yana tabbatar da ganuwa daga kusurwoyi daban-daban a cikin ɗakin sarrafawa. Sun ƙera PCB tare da shirin shimfidar kafet ɗin haɗawa da aka ba da shawarar don tabbatar da daidaita kai yayin reflow. Suna tuƙi kowane LED a 20mA ta amfani da IC direban LED na halin yanzu na akai-akai don tabbatar da daidaiton haske a duk raka'o'in, suna la'akari da jurewar kwandon +/-15%. Sun ƙayyade Kwandon Q ko mafi girma daga masana'anta don garantin mafi ƙarancin matakin haske don nuni bayyananne. An haɗa allon ta amfani da shirin reflow mara gubar da aka ba da shawarar, kuma samfurin ƙarshe yana ƙarƙashin gwaje-gwajen zagayowar zafi don tabbatar da dogaro a cikin yanayin aiki har zuwa 70°C.

12. Gabatarwar Ka'idar Aiki

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin gaba a kan tashoshi (anode tabbatacce dangane da cathode), electrons daga kayan semiconductor na n-type suna sake haɗuwa da ramuka daga kayan p-type a mahadar tsakanin su. Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon tsawon (launi) na hasken da aka fitar an ƙaddara shi ta hanyar bandgap na kayan semiconductor. A cikin wannan na'urar, semiconductor ɗin AlInGaP yana da bandgap wanda yayi daidai da fitar da hasken orange (~605-611 nm). Ruwan tabarau na epoxy mai tsabta yana rufe guntu, yana ba da kariya ta injiniya, kuma yana siffanta tsarin fitar da haske.

13. Trends na Fasaha

Gabaɗayan yanayin fasahar LED yana zuwa ga ingantacciyar inganci (ƙarin lumens kowace watt), ingantaccen launi, mafi girman ƙarfin wutar lantarki, da ƙananan girman kunshin. Ga LED na SMD irin na nuna kamar wannan, abubuwan da suka faru sun haɗa da haɓaka mafi faɗin kusurwar dubawa, ƙananan ƙarfin lantarki na aiki don dacewa da dabarun ƙarfin lantarki na zamani, da ingantaccen dogaro a ƙarƙashin yanayi mai tsauri (zafi mafi girma, danshi). Har ila yau akwai ci gaba da tuƙi don inganta tsarin samarwa don rage farashi yayin kiyaye aiki. Amfani da AlInGaP don launuka orange/ja ya kasance daidaitacce saboda ingancinsa mai girma, kodayake bincike a cikin perovskite da sauran sabbin kayan yana ci gaba don aikace-aikace na gaba.