LTST-S327KGKFKT LED Mai Launuka Biyu SMD - Girman Kunshin - Kore/Orange - 30mA - 75mW - Takardar Fasaha

1. Bayanin Samfur

LTST-S327KGKFKT ƙaramin LED ne mai launuka biyu wanda aka ƙera don haɗa allon da'ira ta atomatik. Yana haɗa guntu masu haskakawa guda biyu a cikin kunshin da'irar EIA guda ɗaya, wanda ya sa ya dace da aikace-aikacen da ke buƙatar ƙaramin wuri don nuna matsayi da yawa ko hasken baya.

1.1 Fa'idodi na Asali

• Haɗa Launuka Biyu:Yana haɗa guntu na AlInGaP na kore da orange a cikin kunshin guda, yana adana wurin allon da'ira kuma yana sauƙaƙa haɗawa don ƙirar masu nuna alama da yawa.
• Hasken Ƙarfi:Yana amfani da fasahar guntu na AlInGaP mai ƙarfi don samun haske mai kyau.
• Daidaitawar Masana'antu:Yana da igiyoyin da aka yi da tagulla, yana daidaitawa da hanyoyin siyar da infrared, kuma ana samar da shi akan reels na tef 8mm don kayan aikin ɗauka da sanyawa ta atomatik.
• Bin Ka'idojin Muhalli:Yana bin umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).

1.2 Aikace-aikacen Da Ake Nufi

Wannan ɓangaren ya dace da na'urorin lantarki da yawa waɗanda ake buƙatar masu nuna alama masu aminci da ƙanƙanta. Manyan wuraren aikace-aikace sun haɗa da:

• Kayan aikin sadarwa (misali, wayoyin salula, masu sauya hanyoyin sadarwa)
• Na'urori masu sarrafa ofis (misali, littattafai, firintoci)
• Kayan amfani na mabukaci da allunan sarrafa masana'antu
• Hasken baya na maɓalli ko madannai
• Masu nuna matsayi da wutar lantarki
• Fitilun alama da ƙananan nuni

2. Bincike Mai Zurfi na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani game da iyakokin aiki da halayen aikin LED a ƙarƙashin yanayin gwaji na yau da kullun (Ta=25°C).

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙimomi suna wakiltar iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da shawarar ci gaba da aiki a waɗannan iyakokin ba.

• Rashin Wutar Lantarki (P_d):75 mW a kowane guntu na launi.
• Ci gaba da Gaba da Halin Yanzu (I_F):30 mA DC.
• Kololuwar Halin Yanzu:80 mA (an buga shi a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms).
• Juyin Juyi (V_R):5 V.
• Kewayon Zafin Aiki:-30°C zuwa +85°C.
• Kewayon Zafin Ajiya:-40°C zuwa +85°C.
• Zafin Siyayya:Yana jure 260°C na dakika 10 (tsari mara gubar).

2.2 Halayen Lantarki da Hasken Gani

An auna a I_F= 20mA, waɗannan ma'auni suna ayyana aikin yau da kullun na LED.

Bayanan Aunawa:Ana auna ƙarfin haske ta amfani da firikwensin da aka tace don dacewa da lanƙwasa amsawar ido na CIE photopic. Kusurwar dubawa (2θ_1/2) shine cikakken kusurwar da ƙarfin ya ragu zuwa rabin ƙimar axis. An samo mafi girman tsawon tsawon tsawon daga madaidaitan launi na CIE.

2.3 Abubuwan Da Suka Shafi Zafi

Matsakaicin raguwar wutar lantarki na 75mW a kowane guntu ma'auni ne mai mahimmanci na ƙira. Wucewa wannan iyaka, ko dai ta hanyar babban halin yanzu ko haɓakar yanayin zafi, zai rage fitar da haske kuma ya rage tsawon rayuwar aikin na'urar. Ana ba da shawarar shimfidar PCB mai kyau tare da isasshen taimakon zafi don aikace-aikacen da ke gudana a cikin zagayowar aiki mai girma ko a cikin yanayi mai dumi.

3. Bayanin Tsarin Rarraba

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa kwandon aiki bisa ƙarfin haske.

3.1 Rarraba Ƙarfin Hasken Gani

An rarraba fitar da haske na kowane guntu launi zuwa takamaiman kewayon lambobi tare da jurewar ±15% a cikin kowane kwandon.

• Kwandon Guntu Kore (mcd @20mA):
  • Lambar P:45.0 zuwa 71.0 mcd
  • Lambar Q:71.0 zuwa 112.0 mcd
• Kwandon Guntu Orange (mcd @20mA):
  • Lambar N2:36.0 zuwa 45.0 mcd
  • Lambar P:45.0 zuwa 71.0 mcd
  • Lambar Q1:71.0 zuwa 90.0 mcd

Wannan rarrabuwa yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatun haske don aikace-aikacensu, yana tabbatar da daidaiton gani a cikin layin samfur.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa a cikin takardar bayanai, an taƙaita abubuwan da suka shafi su a nan.

4.1 Lanƙwasa Halin Yanzu da Ƙarfin Lantarki (I-V)

Gaba da ƙarfin lantarki (V_F) yana nuna alaƙar logarithmic tare da halin yanzu na gaba (I_F). Ga duka guntu kore da orange, V_Fyawanci yana tsakanin 1.7V zuwa 2.4V a daidaitaccen halin yanzu na tuƙi 20mA. Ƙirar tare da resistor mai iyakance halin yanzu yana da mahimmanci, saboda LED na'urori ne masu tuƙi; ƙaramin haɓakar ƙarfin lantarki na iya haifar da babban haɓakar halin yanzu, wanda zai iya lalata.

4.2 Ƙarfin Hasken Gani da Halin Yanzu (I_V-I_F)

Ƙarfin haske yana kusan daidai da halin yanzu na gaba har zuwa matsakaicin ƙimar halin yanzu na ci gaba. Duk da haka, inganci (lumens kowace watt) na iya raguwa a manyan halin yanzu saboda ƙarin tasirin zafi.

4.3 Rarraba Bakan

Guntu kore yana fitar da haske a kusa da kololuwar tsawon tsawon tsawon (λ_P) na 574nm tare da rabin faɗin bakan (Δλ) na 20nm. Guntu orange yana fitarwa a kololuwar 611nm tare da rabin faɗin 17nm. Ƙunƙuntaccen bakan na guntu orange yana nuna launi mai cika.

5. Bayanin Injiniya da Kunshi

5.1 Girman Jiki

Na'urar ta yi daidai da daidaitaccen tsarin kunshin SMD. Manyan ma'auni sun haɗa da tsayi, faɗi, da tsayi, duk tare da daidaitaccen jurewar ±0.1mm sai dai idan an faɗi akasin haka. Kayan ruwa mai tsabta na ruwa yana ba da damar watsa haske mai girma ga duka launuka.

5.2 Shimfidar Pad da Gano Polarity

Bangaren yana da anodes guda biyu (A1 don Kore, A2 don Orange) da cathode gama gari. Takardar bayanai tana ba da shimfidar ƙasa ta PCB da aka ba da shawarar (tsarin pad) don tabbatar da ingantaccen haɗin siyar da siyar yayin sake kwarara da kuma samar da isasshen kwanciyar hankali na injiniya. Daidaitaccen jagorar polarity yayin sanyawa yana da mahimmanci don aiki.

6. Jagororin Siyayya da Haɗawa

6.1 Bayanin Siffar Siyayya ta Infrared Reflow

Don hanyoyin haɗawa marasa gubar (Pb-free), ana ba da shawarar waɗannan sharuɗɗan sake kwarara a matsayin manufa ta gaba ɗaya, mai bin ka'idojin JEDEC:

• Zafin Kafin Dumama:150°C zuwa 200°C.
• Lokacin Kafin Dumama:Matsakaicin dakika 120.
• Kololuwar Zafin Jiki:Matsakaicin 260°C.
• Lokacin Sama da 260°C:Matsakaicin dakika 10.
• Matsakaicin Adadin Wucewar Reflow: Two.

Muhimmin Bayanin Kula:Mafi kyawun bayanin martaba ya dogara da takamaiman ƙirar PCB, man siyar da siyar, da tanda. Ana ba da shawarar siffanta don ainihin layin haɗawa.

6.2 Siyayya da Hannu

Idan siyar da hannu ya zama dole, yi amfani da ƙarfe mai sarrafa zafin jiki da aka saita zuwa matsakaicin 300°C. Lokacin tuntuɓar ya kamata a iyakance zuwa dakika 3 a kowane haɗin siyar da siyar, kuma ya kamata a yi wucewar siyar da siyar guda ɗaya kawai.

6.3 Tsaftacewa

Kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol (IPA) ko ethyl alcohol don tsaftacewa. Ya kamata a nutsar da LED a cikin zafin daki na ƙasa da minti ɗaya. Masu tsaftacewa na sinadarai waɗanda ba a bayyana ba na iya lalata kunshin epoxy.

6.4 Ajiya da Sarrafawa

• Hatsarin ESD:Na'urar tana da hankali ga fitar da wutar lantarki (ESD). Yi amfani da igiyoyin wuyan hannu, tabarma mai hana tashin hankali, da kayan aiki masu tushe daidai yayin sarrafawa.
• Matakin Hankalin Danshi (MSL):Bangaren yana da ƙimar MSL3. Da zarar an buɗe ainihin jakar shinge na danshi, dole ne a yi wa LED siyar da siyar ta IR reflow a cikin mako guda (saa 168) na yanayin masana'anta (≤30°C/60% RH).
• Ajiya Mai Tsayi:Don ajiya fiye da mako guda bayan buɗewa, gasa LED a 60°C na aƙalla sa'o'i 20 kafin siyar da siyar don cire danshin da aka sha kuma hana "popcorning" yayin sake kwarara.

7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana samar da LED don haɗawa ta atomatik a cikin tef mai zane da aka nannade akan reels masu diamita inci 7 (178mm).

• Faɗin Tef: 8mm.
• Adadin kowace Reel:Guda 3000.
• Mafi ƙarancin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Daidaitaccen Kunshi:Yana bin ƙayyadaddun ANSI/EIA-481.

8. Shawarwarin Ƙira na Aikace-aikace

8.1 Ƙirar Da'ira

Koyaushe yi amfani da resistor mai iyakance halin yanzu na jeri don kowane anode. Ƙimar resistor (R_series) za a iya ƙididdige shi ta amfani da Dokar Ohm: R_series= (V_supply- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga takardar bayanai (2.4V) don ƙira mai ra'ayin mazan jiya wanda ke tabbatar da cewa halin yanzu bai wuce 20mA ba ko da tare da bambancewar ƙarfin wutar lantarki.

8.2 Gudanar da Zafi akan PCB

Haɗa pad ɗin zafi (cathode) zuwa wani yanki na tagulla mai isasshen girma akan PCB don yin aiki azaman mai sanyaya zafi. Wannan yana taimakawa wajen kawar da zafi, kiyaye aikin LED da tsawon rai, musamman lokacin aiki kusa da matsakaicin ƙima.

8.3 Ƙirar Hasken Gani

Faɗin kusurwar dubawa na digiri 130 ya sa wannan LED ya dace da aikace-aikacen da ke buƙatar faɗin gani. Don haske mai mai da hankali, ƙila za a buƙaci ruwan tabarau na waje ko jagororin haske. Ruwan ruwa mai tsabta yana da kyau don fitar da launi na gaskiya.

9. Kwatancen Fasaha da Bambance-bambance

Babban abin da ya bambanta LTST-S327KGKFKT shine haɗa guntu masu haskakawa guda biyu na AlInGaP (kore da orange) a cikin ƙaramin kunshin SMD guda ɗaya. Idan aka kwatanta da amfani da LED masu launi guda ɗaya daban-daban guda biyu, wannan mafita tana ba da fa'idodi masu mahimmanci:

• Tanadin Sarari:Yana rage ƙafar PCB da kusan kashi 50%.
• Sauƙaƙe Haɗawa:Aikin ɗauka da sanyawa ɗaya maimakon biyu, yana rage farashin masana'antu da lokaci.
• Daidaiton Daidaitawa:Yana ba da garantin daidaitaccen daidaitawar sarari tsakanin maɓuɓɓugar haske masu launi biyu, wanda ke da mahimmanci ga wasu ƙira na nuna alama ko hasken baya.

10. Tambayoyin da Ake Yi Akai-akai (FAQ)

10.1 Shin Zan Iya Tuƙi Duka Guntu LED A Lokaci Guda A 20mA Kowanne?

Ee, amma dole ne ku yi la'akari da jimlar raguwar wutar lantarki. Tuƙi duka a 20mA (V_F~2.0V) yana haifar da kusan 40mW a kowane guntu, jimlar 80mW. Wannan yana sama da matsakaicin matsakaicin ƙimar 75mWkowace guntuamma yana nufin wutar lantarki da aka tarwatsa a cikin kowane mutuwar semiconductor. Haɗin wutar lantarki na matakin allon shine 80mW. Don ci gaba da aiki, yana da kyau a tuntubi lanƙwasa rage ƙima ko kuma tuƙi LED a ƙaramin halin yanzu (misali, 15-18mA) idan duka suna kan ci gaba.

10.2 Menene Bambanci Tsakanin Kololuwar Tsawon Tsawon Tsawon (λ_P) da Mafi Girman Tsawon Tsawon Tsawon (λ_d)?

Kololuwar tsawon tsawon tsawon ita ce tsawon tsawon tsawon guda ɗaya wanda bakan fitarwa yana da matsakaicin ƙarfinsa. Mafi girman tsawon tsawon tsawon shine tsawon tsawon tsawon guda ɗaya na haske mai launi ɗaya wanda zai bayyana yana da launi ɗaya da idon ɗan adam kamar fitarwar LED. λ_dan ƙididdige shi daga madaidaitan launi na CIE kuma galibi shine mafi dacewa ma'auni don ƙayyadaddun launi.

10.3 Ta Yaya Zan Fassara Lambar Kwandon Ƙarfin Hasken Gani?

Lambar kwandon (misali, P, Q, N2) akan alamar samfur ko reel ɗin tef tana nuna mafi ƙarancin ƙarfin haske da aka garantiyar don wannan rukunin LED. Don daidaitaccen haske a cikin samfurin ku, ƙayyade lambar kwandon da ake buƙata lokacin yin oda. Yin amfani da LED daga kwanduna daban-daban na iya haifar da bambance-bambancen haske.

11. Nazarin Ƙira da Amfani

11.1 Mai Nuna Matsayi Mai Matsayi Biyu

Yanayi:Ƙirar ƙaramin na'urar firikwensin IoT tare da LED guda ɗaya don nuna matsayin hanyar sadarwa (kore = haɗe, orange = nema/kuskure).

Ai watar:LTST-S327KGKFKT ya dace da wannan. Microcontroller yana tuƙi anode A1 (kore) ta hanyar resistor mai iyakance halin yanzu don nuna "haɗe." Yana tuƙi anode A2 (orange) don nuna "nema." Cathode gama gari yana haɗe da ƙasa. Wannan ƙirar tana amfani da ƙafar ɓangare guda ɗaya kawai da fil ɗin microcontroller GPIO guda ɗaya a kowane jiha (fil guda biyu gabaɗaya), yana haɓaka sarari kuma yana sauƙaƙa sarrafa firmware idan aka kwatanta da amfani da LED daban-daban guda biyu.

12. Ka'idar Aiki

LED yana aiki bisa ka'idar electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce bakin kofa na diode, electrons daga yankin n-type suna sake haɗuwa da ramuka daga yankin p-type a cikin aikin Layer na guntu na AlInGaP (Aluminum Indium Gallium Phosphide). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gami na AlInGaP yana ƙayyade makamashin bandgap, wanda kai tsaye yana ayyana launi (tsawon tsawon tsawon) na hasken da aka fitar—kore don guntu mai gajeren tsawon tsawon tsawon da orange don guntu mai tsawon tsawon tsawon. Kunshin epoxy mai tsabta na ruwa yana kewaye da kuma kare mutuwar semiconductor yayin da kuma yake aiki azaman ruwan tabarau na farko don siffanta fitarwar haske.

13. Trends na Fasaha

Amfani da tsarin kayan AlInGaP yana wakiltar fasaha mai girma kuma mai inganci don samar da LED ja, orange, amber, da kore. Manyan abubuwan da ke faruwa a wannan sashe sun haɗa da:

• Ƙara Ingantaccen Aiki:Ci gaban kimiyyar kayan aiki da ingantaccen ƙira na guntu suna ci gaba da tura ingancin haske (lumens kowace watt) mafi girma, yana rage amfani da wutar lantarki don takamaiman fitarwar haske.
• Ƙananan Ƙirar:Tuƙin ƙananan na'urorin lantarki yana haifar da buƙatar ƙananan ƙananan kunshin LED yayin kiyayewa ko inganta aikin gani.
• Haɗawa:Abin da wannan ɓangaren ya misalta—haɗa guntu da yawa ko ayyuka (misali, RGB, LED+photodiode) cikin kunshin guda—yana girma don adana sarari da sauƙaƙa ƙirar tsarin.
• Amincewa da Daidaitawa:Mai da hankali kan ingantaccen kunshi, tsananin rarrabuwa, da daidaitaccen gwaji (kamar bayanan martaba na JEDEC) yana tabbatar da daidaitaccen aiki da aminci a cikin babban samar da atomatik.