LTST-S326TBKFKT-5A SMD LED Takardar Bayani - Duban Gefe Biyu-Launi (Shuɗi/Masallaci) - Kunshin EIA - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTST-S326TBKFKT-5A ƙaramin fitilar LED ne na Surface Mount Device (SMD) mai duban gefe, biyu-launi. An ƙera shi don haɗin kai na atomatik na allon da'ira (PCB) kuma ya dace sosai don aikace-aikacen da sararin samaniya ke da matuƙar mahimmanci. Na'urar ta haɗa da guntu biyu daban-daban na semiconductor a cikin kunshi ɗaya: guntu na InGaN (Indium Gallium Nitride) don fitar da shuɗi da guntu na AlInGaP (Aluminum Indium Gallium Phosphide) don fitar da masallaci. Wannan tsari yana ba da damar nuna alamun yanayi biyu masu zaman kansu ko launukan hasken baya daga ginshiƙin sassa ɗaya.

Babban kasuwar wannan LED ya haɗa da nau'ikan na'urorin lantarki na masu amfani da na masana'antu da yawa. Girman sa na ƙanƙanta da dacewa da hanyoyin haɗin kai masu yawa sun sa ya dace da na'urorin ɗaukuwa, kayan aikin sadarwa, kayan aikin kwamfuta, da aikace-aikacen nuni daban-daban.

1.1 Siffofi da Fa'idodi na Asali

• Launi Biyu a cikin Kunshi Guda:Yana amfani da fasahar guntu mai haske sosai na InGaN da AlInGaP don kyakkyawan ƙarfin haske.
• Hasken Hasken Hasken:Utilizes Ultra Bright InGaN and AlInGaP chip technology for good luminous intensity.
• Kunshin Ma'auni na Masana'antu:Yana bin ka'idojin EIA (Electronic Industries Alliance), yana tabbatar da dacewa da injunan ɗauka da sanyawa na atomatik.
• Yin Biyayya ga RoHS:An ƙera shi don cika umarnin Hana Abubuwa Masu Haɗari.
• Dacewa da Solder Reflow:An ƙera shi don jure hanyoyin solder na infrared (IR) reflow, wanda ke da mahimmanci ga haɗin PCB na zamani.
• Jagororin da aka Lulluɓe da Tin:Yana haɓaka iya solder da dogon lokacin amincin haɗin lantarki.

1.2 Aikace-aikacen da ake Nufi

• Hasken baya don maɓallan maɓalli, madannai, da ƙananan nuni.
• Alamun yanayi da wutar lantarki a cikin kayan aikin sadarwa da na cibiyar sadarwa.
• Hasken sigina da alama a cikin kayan aikin gida da na'urori na sarrafa ofis.
• Allunan yanayi na kayan aikin masana'antu.

2. Sigogi na Fasaha: Fassarar Maƙasudi Mai zurfi

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan yanayin ba.

• Rushewar Wutar Lantarki (Pd):Shuɗi: 76 mW, Masallaci: 62.5 mW. Wannan shine matsakaicin wutar lantarki da LED zai iya watsawa azaman zafi a yanayin yanayi (Ta) na 25°C. Wuce wannan zai iya haifar da zafi da rage tsawon rayuwa.
• Matsakaicin Halin Yanzu na DC (IF):Shuɗi: 20 mA, Masallaci: 25 mA. Matsakaicin ci gaba da halin yanzu da za a iya amfani da shi. Resista mai iyakance halin yanzu ya zama dole a jere tare da LED a kowane da'ira mai amfani.
• Matsakaicin Halin Yanzu na Kololuwa:Shuɗi: 100 mA, Masallaci: 60 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms). Wannan ƙimar tana da alaƙa da aikin bugun jini, kamar a cikin nunin da yawa.
• Kewayon Zafin Jiki:Aiki: -20°C zuwa +80°C; Ajiya: -30°C zuwa +100°C. An siffanta aikin na'urar a cikin kewayon aiki.
• Yanayin Solder:Yana jure 260°C na dakika 10, wanda ya yi daidai da sifofin reflow na gama-gari marasa gubar (Pb-free).

2.2 Halayen Lantarki da Na'ura

An auna a Ta=25°C da daidaitaccen gwajin halin yanzu (IF) na 5 mA, waɗannan sigogi suna ayyana aikin yau da kullun.

• Ƙarfin Hasken Hasken (Iv):Ma'auni mai mahimmanci na hasken da ake gani. Don guntu na Shuɗi, yana kewayo daga 11.2 mcd (ƙarami) zuwa 45.0 mcd (matsakaici). Don guntu na Masallaci, yana kewayo daga 18.0 mcd zuwa 112.0 mcd. Guntu na masallaci yawanci yana nuna ingantaccen haske.
• Kusurwar Dubawa (2θ1/2):Digiri 130 (na yau da kullun ga launuka biyu). Wannan faɗin kusurwar dubawa siffa ce ta LED masu duban gefe, yana ba da tsarin fitarwa mai faɗi wanda ya dace da aikace-aikacen hasken gefe ko nuni.
• Ƙarfin Lantarki na Gaba (VF):Shuɗi: 2.6V zuwa 3.4V; Masallaci: 1.6V zuwa 2.4V (a IF=5mA). Ƙarfin lantarki na gaba siga ce mai mahimmanci don ƙirar da'ira, saboda yana ƙayyade faɗuwar ƙarfin lantarki a kan LED da ƙimar resista na jere da ake buƙata. LED na shuɗi yana buƙatar ƙarfin tuƙi mafi girma saboda kayan sa na semiconductor mai faɗin bandgap.
• Matsakaicin Tsawon Tsawon (λP) & Tsawon Tsawon Mai Rinjaye (λd):Shuɗi: λP ~468 nm, λd 463-477 nm. Masallaci: λP ~611 nm, λd 598-612 nm. Tsawon tsawon da ke rinjaye yana ayyana launin da ake gani. Ramin rabin bakan (Δλ) shine 25 nm don shuɗi da 17 nm don masallaci, yana nuna tsaftar launi.
• Halin Yanzu na Baya (IR):Matsakaicin 10 μA a VR=5V. Ba a ƙera LED don aikin bias na baya ba; wannan siga don dalilai na gwaji ne kawai. Yin amfani da ƙarfin lantarki na baya zai iya lalata na'urar.

3. Bayanin Tsarin Binning

An rarraba fitarwar haske zuwa kwandon shara tare da jurewar +/-15% a cikin kowane kwandon shara.

3.1 Binning na Ƙarfin Hasken Hasken

The luminous output is categorized into bins with a +/-15% tolerance within each bin.

• Kwandon Shara na Guntu na Shuɗi:L (11.2-18.0 mcd), M (18.0-28.0 mcd), N (28.0-45.0 mcd).
• Kwandon Shara na Guntu na Masallaci:M (18.0-28.0 mcd), N (28.0-45.0 mcd), P (45.0-71.0 mcd), Q (71.0-112.0 mcd).

Wannan binning yana ba masu ƙira damar zaɓar sassa tare da garantin mafi ƙarancin haske don aikace-aikacensu, yana tabbatar da daidaiton gani a cikin samfuran ƙarshe. Ana nuna takamaiman kwandon shara don wani yanki na samarwa a cikin lambar oda ko akan alamun marufi.

4. Bincike na Lanƙwasa Aiki

Yayin da PDF ya yi nuni da lanƙwasa na yau da kullun, ba a ba da su a cikin ɓangaren da aka zayyano ba. Dangane da halayen LED na yau da kullun, ana ƙididdige waɗannan binciken daga sigogin da aka bayar.

4.1 Halin Yanzu na Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa I-V)

Dangantakar I-V tana da ƙima. Don LED na shuɗi, ƙarfin lantarki na kunna yana da girma (~2.6V) idan aka kwatanta da LED na masallaci (~1.6V). Lanƙwasa zai nuna haɓaka mai ƙarfi a cikin halin yanzu da zarar ƙarfin lantarki na gaba ya wuce wannan bakin kofa. Daidaitaccen tsarin halin yanzu (ta hanyar resista na jere ko direban halin yanzu na akai) yana da mahimmanci don hana guduwar zafi, saboda ƙarfin lantarki na gaba yana raguwa tare da ƙaruwar zafin jiki, wanda zai iya haifar da haɓakar halin yanzu mai lalata idan tushen ƙarfin lantarki ya motsa shi.

4.2 Ƙarfin Hasken Hasken vs. Halin Yanzu na Gaba

Ƙarfin hasken haske yana kusan daidai da halin yanzu na gaba har zuwa wani lokaci. Yin aiki sama da shawarar DC halin yanzu (20/25 mA) zai ƙara haske amma a farashin ƙarin watsawar wutar lantarki, rage inganci, da haɓakar raguwar lumen (raguwar fitarwar haske akan lokaci).

4.3 Dogaro da Zafin Jiki

Aikin LED yana da hankali ga zafin jiki. Yayin da zafin haɗin gwiwa ya ƙaru: Ƙarfin hasken haske gabaɗaya yana raguwa, ƙarfin lantarki na gaba (VF) yana raguwa kaɗan, kuma tsayin tsayin da ke rinjaye na iya canzawa (yawanci ya fi tsayi ga InGaN). An ƙayyade kewayon zafin jiki na aiki na -20°C zuwa +80°C yanayin yanayi ne da aka buga halayen a ƙarƙashinsu. Isasshen sarrafa zafin jiki akan PCB yana da mahimmanci don kiyaye aiki da tsawon rai.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi da Sanya Pin

Na'urar ta yi daidai da tsarin kunshin SMD na ma'auni na EIA. Mahimman girma sun haɗa da girman jiki da tazarar jagora. Duk girma suna da jurewar ±0.1 mm sai dai idan an ƙayyade in ba haka ba. Sanya pin yana da mahimmanci don daidaitaccen alkibla: An sanya Pin C1 zuwa anode na guntu na Masallaci (AlInGaP), kuma an sanya Pin C2 zuwa anode na guntu na Shuɗi (InGaN). Cathode na gama gari ne. Kunshin "bayyananne ne," ma'ana ruwan tabarau yana bayyana, yana ba da damar ganin ainihin launin guntu.

5.2 Ƙirar PCB Pad da Daidaitaccen Alkibla

An ba da tsarin ƙasa da aka ba da shawarar don tabbatar da ingantaccen solder da daidaitaccen jeri. Ƙirar yawanci ta haɗa da taimakon zafi da ma'anar maskar solder. Dole ne a kiyaye alkibla sosai yayin sanyawa. Alamar akan jikin na'urar (sau da yawa digo ko kusurwa da aka yanke) tana nuna gefen cathode (gama gari). Ba daidai ba alkibla zai hana LED haskakawa kuma yin amfani da ƙarfin lantarki na baya zai iya lalata shi.

6. Jagororin Solder da Haɗin kai

6.1 Sigogi na Solder Reflow na IR

Don hanyoyin solder marasa gubar (Pb-free), an ba da shawarar bayanin martaba reflow. Mahimman sigogi sun haɗa da: Yankin pre-heat (150-200°C), lokacin pre-heat (matsakaicin dakika 120), matsakaicin zafin jiki (matsakaicin 260°C), da lokacin sama da ruwa (a matsakaicin zafin jiki, matsakaicin dakika 10). Na'urar na iya jure matsakaicin zagayowar reflow biyu a ƙarƙashin waɗannan yanayi. Yin bin wannan bayanin martaba yana da mahimmanci don hana girgizar zafi, ɓarkewar, ko lalata guntu na LED da ruwan tabarau na epoxy.

6.2 Solder da Hannu

Idan solder da hannu ya zama dole, ya kamata a yi shi da taka tsantsan. Zafin ƙarshen ƙarfe na solder bai kamata ya wuce 300°C ba, kuma lokacin solder kowane jagora ya kamata a iyakance zuwa matsakaicin dakika 3. Ana ba da shawarar zagayowar solder ɗaya kawai don solder da hannu don rage matsanancin zafi.

6.3 Yanayin Ajiya da Sarrafawa

Ajiya (Kunshi Mai Rufi):Ajiye a ≤30°C da ≤90% Yanayin Danshi (RH). Tsawon rayuwar shimfidar shekara ɗaya ne lokacin da aka ajiye a cikin jakar hana danshi ta asali tare da desiccant.
Ajiya (Kunshi da aka Buɗe):Don sassan da aka cire daga marufinsu mai rufi, yanayin yanayi bai kamata ya wuce 30°C / 60% RH ba. Ya kamata a yi amfani da sassa a cikin mako guda (Matakin MSL 3). Don ajiyar dogon lokaci a waje da jakar asali, dole ne a ajiye su a cikin akwati mai rufi tare da desiccant ko a cikin yanayin nitrogen. Idan an ajiye sama da mako guda, ana buƙatar gasa a 60°C na aƙalla sa'o'i 20 kafin solder don cire danshin da aka sha da hana "popcorning" yayin reflow.
Hatsarori na ESD:LED suna da hankali ga zubar da wutar lantarki (ESD). Ya kamata a yi sarrafawa akan tashoshin aiki masu tushe ta amfani da igiyoyin wuyan hannu ko safofin hannu masu hana wutar lantarki don hana ɓarna ko bala'i.

6.4 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan solder, kawai ya kamata a yi amfani da kaushi da aka ƙayyade. Nitse LED a cikin barasa na ethyl ko barasa na isopropyl a zafin jiki na ɗaki na ƙasa da minti ɗaya yana yarda. Mugun ko sinadarai da ba a ƙayyade ba na iya lalata kayan kunshin filastik, haifar da canza launi ko fashewa.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana ba da LED a cikin kaset mai faɗin inci 8 mai ƙyalli akan reels mai diamita inci 7 (178 mm). Wannan shine daidaitaccen marufi don kayan haɗin kai na atomatik. Kowane reel yana ɗauke da guda 3000. Kaset tana da kaset ɗin rufi don kare sassa yayin jigilar kaya da sarrafawa. Marufin ya yi daidai da ƙayyadaddun ANSI/EIA-481.

7.2 Mafi ƙarancin Adadin Oda da Cikakkun Bayanai na Reel

Daidaitaccen adadin cikakken reel shine guda 3000. Don adadin ƙasa da cikakken reel, mafi ƙarancin adadin shiryawa na guda 500 ya shafi sassan saura. Ƙayyadaddun marufi yana ba da damar mafi girman sassa biyu da suka ɓace a jere a cikin kaset.

8. Shawarwarin Ƙira na Aikace-aikace

8.1 La'akari da Ƙirar Da'ira

• Iyakance Halin Yanzu:Koyaushe yi amfani da resista na jere don iyakance halin yanzu na gaba zuwa ƙimar da ake so (misali, 5 mA don gwaji, har zuwa matsakaicin ƙimar DC don cikakken haske). Lissafa ƙimar resista ta amfani da Dokar Ohm: R = (Vcc - VF) / IF, inda Vcc shine ƙarfin lantarki, VF shine ƙarfin lantarki na gaba na LED (yi amfani da matsakaicin ƙima don ƙira mai aminci), kuma IF shine halin yanzu da ake so.
• Wutar Lantarki:Tabbatar da ingantaccen wutar lantarki na DC. Ripple ko ƙarfin lantarki na iya shafar haske da tsawon rai.
• Haɗin Kai:Guɓe haɗa LED kai tsaye a layi daya ba tare da resista masu iyakance halin yanzu na kowane mutum ba, saboda ƙananan bambance-bambance a cikin VF na iya haifar da cin halin yanzu, inda LED ɗaya ya ja mafi yawan halin yanzu.

8.2 Gudanar da Zafin Jiki

Yayin da SMD LED suke ƙanana, watsawar wutar lantarki (har zuwa 76 mW) yana haifar da zafi. Tabbatar cewa PCB yana da isasshen yanki na jan ƙarfe (pad ɗin zafi) wanda aka haɗa zuwa pad ɗin cathode/anode na LED don zama mai sanyaya zafi. Guji sanya LED kusa da wasu sassan da ke haifar da zafi.

8.3 Haɗin kai na Gani

Yanayin duban gefe na wannan LED ya sa ya dace da aikace-aikacen da haske ke buƙatar shugabanci layi daya da saman PCB, kamar shiga cikin jagorar haske don allunan hasken gefe ko don haskaka alamomi akan allon gaba. Yi la'akari da kusurwar dubawa na digiri 130 lokacin ƙirar bututun haske ko masu watsawa don tabbatar da haske iri ɗaya.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambance-bambancen LTST-S326TBKFKT-5A ya ta'allaka ne akan tsarinsa na biyu-launi, duban gefe a cikin daidaitaccen kunshin SMD. Idan aka kwatanta da amfani da LED guda biyu masu launi ɗaya, yana ba da raguwar kashi 50% cikin ginshiƙin PCB da ake buƙata. Amfani da InGaN don shuɗi da AlInGaP don masallaci yana ba da kyakkyawan haɗuwa da haske da jikewar launi. Faɗin kusurwar dubawa fa'ida ce ta musamman akan LED masu duban sama don ayyukan hasken gefe. Dacewarsa da daidaitaccen IR reflow da marufin kaset-da-reel ya daidaita shi da hanyoyin samarwa masu yawa, masu tsada.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

10.1 Zan iya tuƙi launuka biyu lokaci guda?

A'a, guntu biyu suna raba cathode gama gari amma suna da anodes masu zaman kansu (C1 don Masallaci, C2 don Shuɗi). Dole ne a tuƙa su ta hanyar tushen halin yanzu daban-daban (misali, fil biyu na GPIO daga microcontroller, kowannensu yana da nasa resista na jere). Tuƙa su lokaci guda tare da tushe guda ɗaya da aka haɗa zuwa anodes biyu ba zai yiwu ba tare da wannan tsarin pin.

10.2 Me yasa ƙarfin lantarki na gaba ya bambanta ga launuka biyu?

Ƙarfin lantarki na gaba dukiya ce ta asali na ƙarfin bandgap na kayan semiconductor. Hasken shuɗi yana da ƙarfin photon mafi girma, wanda ke buƙatar semiconductor tare da bandgap mafi faɗi (InGaN). Bandgap mafi faɗi yana da alaƙa da ƙarfin lantarki na gaba mafi girma. Hasken masallaci daga AlInGaP yana da ƙaramin ƙarfin photon don haka ƙaramin ƙarfin lantarki na gaba.

10.3 Me yake nufi da ruwan tabarau "Bayyananne"?

Ruwan tabarau "Bayyananne" ko mai bayyana baya watsa hasken. Yana ba da damar ganin ainihin, cikakken launi na guntu na LED. Wannan ya bambanta da ruwan tabarau "watsawa" ko "madara", wanda ke watsa hasken, yana haifar da tsari mai faɗi, mai laushi amma sau da yawa tare da raguwar kaɗan a cikin jikewar launin da ake gani da ƙarfin axial.

10.4 Ta yaya zan fassara lambar kwandon shara don odata?

Lambar kwandon shara (misali, "N" don shuɗi, "Q" don masallaci) tana ƙayyade garantin kewayon ƙarfin haske don wannan rukunin samarwa. Ya kamata ku ƙayyade kwandon shara (s) da ake buƙata lokacin yin oda don tabbatar da daidaiton haske a duk sassan da ke cikin samfurin ku. Idan ba a ƙayyade ba, kuna iya karɓar sassa daga kowane kwandon shara da ke akwai a cikin kewayon samfurin.

11. Ƙira mai Amfani da Shari'ar Amfani

Labari: Alamar Yanayi Biyu don Router na Cibiyar Sadarwa.Mai ƙira yana buƙatar alamun yanayi biyu (Wutar Lantarki da Ayyukan Cibiyar Sadarwa) amma yana da ƙarancin sarari a allon gaba. Suna amfani da LTST-S326TBKFKT-5A ɗaya. Guntu na Masallaci (C1) an haɗa shi zuwa tushen halin yanzu na akai na 5mA don nuna "Kunna Wutar Lantarki" (tsayayye). Guntu na Shuɗi (C2) an haɗa shi zuwa pin GPIO na microcontroller wanda aka tsara don yin walƙiya a 1Hz don nuna "Ayyukan Cibiyar Sadarwa". Ginshiƙin sassa ɗaya yana ba da sigina gani daban-daban guda biyu. An haɗa fitarwar duban gefe zuwa cikin ƙaramin jagorar haske na al'ada wanda ke jagorantar haske zuwa alamun allon gaba.

12. Gabatarwar Ka'idar Aiki

Diodes masu fitar da haske (LED) na'urori ne na semiconductor waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin gwiwar p-n, electrons daga kayan n-type suna sake haɗuwa da ramuka daga kayan p-type. Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Launi (tsawon tsawon) na hasken da aka fitar yana ƙaddara ta hanyar ƙarfin bandgap na kayan semiconductor. Ana amfani da kayan InGaN don gajerun tsayin daka (shuɗi, kore, fari), yayin da ake amfani da kayan AlInGaP don tsayin daka mafi tsayi (ja, masallaci, rawaya). Kunshin duban gefe ya haɗa da kogon nuna alama da ruwan tabarau na epoxy da aka ƙera don siffata da jagorantar fitarwar haske daga gefe daga guntu.

13. Trends na Fasaha

Trend a cikin SMD LED don alamomi da hasken baya yana ci gaba zuwa mafi inganci (ƙarin lumens kowace watt), ƙananan girman kunshi, da ƙara haɗin kai. Kunshaye biyu-launi da masu launuka da yawa a cikin ƙananan ƙafafu (misali, 0402, 0201 metric) suna zama gama gari. Haka nan akwai mayar da hankali kan inganta daidaiton launi da ƙarfafa jurewar binning. Bugu da ƙari, tuƙin don mafi girman aminci da aiki a cikin mawuyacin yanayi yana tura ci gaba a cikin kayan kunshi da fasahar guntu. Ka'idojin ingantaccen tuƙi na halin yanzu, sarrafa zafin jiki, da kariyar ESD sun kasance tushen tushe ga duk aikace-aikacen LED.