Takardar Bayani na SMD LED LTST-C190TGKT-5A - Girman 1.6x0.8x0.6mm - Ƙarfin Wutar Lantarki 3.2V - Kori - Takardar Fasaha ta Turanci

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun ƙayyadaddun bayanai na babban LED chip mai hawa a saman. Na'urar tana da siffa mai sirara sosai, wanda ya sa ta dace da aikace-aikacen da ke da ƙuntatawa mai tsanani a tsayi. Ita ce diode mai haskaka haske mai launin kore ta amfani da fasahar semiconductor na InGaN (Indium Gallium Nitride), an lulluɓe ta a cikin fakitin ruwan tabarau mai tsabta. An ƙera samfurin don dacewa da hanyoyin haɗawa na atomatik na zamani, gami da gudanar da gishiri na infrared reflow, kuma yana bin ka'idojin muhalli a matsayin samfurin kore mai bin ka'idojin RoHS.

Babban fa'idodin wannan LED sun haɗa da siffarsa mai ƙanƙanta sosai, fitowar haske mai ƙarfi, da ƙaƙƙarfan gini wanda ya dace da masana'antu masu yawa. Kasuwowar da aka fi niyya sune na'urorin lantarki na masu amfani, fitilun nuni, hasken baya don ƙananan nuni, da duk wani aikace-aikacen da ke buƙatar tushen haske mai launin kore mai aminci, mai haske, da ƙanƙanta.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Ana ayyana iyakokin aiki na na'urar a ƙarƙashin yanayin zafin yanayi (Ta) na 25°C. Matsakaicin ci gaba na yanzu na gaba (DC) an ƙididdige shi a 20 mA. Don aikin bugun jini, ana iya yin amfani da kololuwar halin yanzu na gaba na 100 mA a ƙarƙashin tsarin aiki mai tsauri 1/10 tare da faɗin bugun jini na 0.1 ms. Jimlar watsawar wutar lantarki bai kamata ya wuce 76 mW ba. Kayan na iya aiki a cikin kewayon zafin jiki na -20°C zuwa +80°C kuma ana iya adana su a cikin yanayi daga -30°C zuwa +100°C. Muhimmanci, an ƙididdige shi don gudanar da gishiri na infrared reflow a kololuwar zafin jiki na 260°C na iyakar dakika 10.

2.2 Halayen Lantarki & Na Gani

Ana auna ma'auni na aiki a Ta=25°C da daidaitaccen gwajin yanzu (IF) na 5 mA. Ƙarfin haske (Iv) yana da ƙimar al'ada na 60.0 millicandelas (mcd), tare da mafi ƙarancin ƙayyadaddun ƙimar 28.0 mcd. Wannan yana nuna fitowar haske mai haske wanda ya dace da alamun da ake iya gani a rana. Na'urar tana da kusurwar kallo mai faɗi (2θ1/2) na digiri 130, yana ba da rarraba haske mai faɗi, daidai.

A fannin lantarki, ƙarfin lantarki na gaba (VF) yawanci yana auna 3.20 volts, tare da kewayon da tsarin binning ya ayyana. An ƙayyade juzu'in juzu'i (IR) a matsakaicin 10 μA lokacin da aka yi amfani da juzu'in ƙarfin lantarki (VR) na 5V, ko da yake ba a ƙera na'urar don aikin juzu'i ba. A fannin gani, mafi rinjayen tsawon zango (λd) yawanci 525 nm ne, yana sanya shi a cikin bakan kore, tare da rabin faɗin bakan (Δλ) na 35 nm. Kololuwar tsayin zango na fitarwa (λp) yana kusan 530 nm.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatun haƙuri don aikace-aikacensu.

3.1 Binning Ƙarfin Lantarki na Gaba

Ana rarraba raka'a ta ƙarfin lantarki na gaba a 5mA. Lambobin bin D6, D7, da D8 suna wakiltar kewayon ƙarfin lantarki na 2.60-2.80V, 2.80-3.00V, da 3.00-3.20V bi da bi, kowannensu yana da haƙuri na ±0.1V.

3.2 Binning Ƙarfin Hasken Hasken

Ana rarraba LED bisa ga fitowar haske a 5mA. Lambobin N, P, Q, da R sun dace da kewayon ƙarfi na 28.0-45.0 mcd, 45.0-71.0 mcd, 71.0-112.0 mcd, da 112.0-180.0 mcd, bi da bi. Haƙuri na ±15% ya shafi kowane kwandon.

3.3 Binning Mafi Rinjaye Tsawon Zango

An rarraba launi (tsawon zango) don sarrafa bambancin launi. Lambobin bin AP, AQ, da AR sun rufe kewayon bakan kore na 520.0-525.0 nm, 525.0-530.0 nm, da 530.0-535.0 nm, tare da ƙaramin haƙuri na ±1 nm a kowane kwandon.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa masu hoto a cikin takardar bayanai (misali, Hoto na 1 don rarraba bakan, Hoto na 5 don kusurwar kallo), bayanan da aka bayar suna ba da damar fahimtar bincike. Dangantakar tsakanin halin yanzu na gaba da ƙarfin haske gabaɗaya layi ne a cikin kewayon aiki. Ƙarfin lantarki na gaba yana nuna ƙarancin yanayin zafin jiki, ma'ana yana raguwa kaɗan yayin da zafin haɗin gwiwa ya ƙaru. Lanƙwasa rarraba bakan zai nuna kololuwa guda ɗaya a kusa da 530 nm tare da rabin faɗin 35 nm da aka bayyana, yana tabbatar da fitar da launin kore mai tsabta.

5. Bayanin Injiniya & Fakitin

LED ɗin fakitin ne na ma'aunin EIA tare da girman sirara. Babban siffar shi ne tsayinsa kawai 0.80 mm. Cikakkun zane-zane masu girma suna ƙayyade tsayi, faɗi, tazarar jagora, da gabaɗayan lissafin lissafi don tabbatar da ƙirar ƙafar PCB da ta dace. Fakitin yana amfani da kayan ruwan tabarau mai tsabta. Ana nuna polarity ta hanyar tsarin jiki na kayan, yawanci tare da alamar cathode. An ba da girman ginshiƙan gishiri da aka ba da shawarar don tabbatar da samuwar haɗin gishiri mai aminci da daidaitawar da ta dace yayin reflow.

6. Jagororin Gishiri & Haɗawa

6.1 Bayanin Gudanar da Gishiri na Reflow

An ba da shawarar bayanin infrared reflow don hanyoyin gishiri marasa gubar (Pb-free). Wannan bayanin ya dogara ne akan ma'auni na JEDEC. Muhimman ma'auni sun haɗa da matakin pre-heat tsakanin 120-150°C, matsakaicin zafin jiki na 260°C, da lokacin da ya wuce ruwa (yawanci 217°C don gishiri mara gubar) bai wuce dakika 10 ba. Manufar ita ce rage damuwa mai zafi akan fakitin LED yayin da ake tabbatar da gudanar da gishiri da ya dace.

6.2 Sarrafawa & Ajiya

Na'urar tana da hankali ga Zubar da Wutar Lantarki (ESD). Ana ba da shawarar sarrafawa tare da bel ɗin wuyan hannu mai ƙasa ko safofin hannu masu hana tashin hankali. A cikin ainihin jakar ɗin da ba ta shiga ruwa mai ɗauke da busasshiyar abu, tsawon rayuwar shiryayye shekara ɗaya lokacin da aka adana a ≤30°C da ≤90% RH. Da zarar an buɗe jakar, ya kamata a adana abubuwan a ≤30°C da ≤60% RH kuma a yi amfani da su cikin mako guda. Don adanawa fiye da mako guda a wajen ainihin marufi, ana buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin gishiri don cire ɗanɗanon ruwa da hana "popcorning" yayin reflow.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gishiri, kawai ya kamata a yi amfani da takamaiman kaushi. Tsoma LED a cikin barasa na ethyl ko isopropyl a yanayin zafi na yau da kullun na ƙasa da minti ɗaya yana da kyau. Sinadarai da ba a bayyana ba na iya lalata epoxy na fakitin ko ruwan tabarau.

7. Bayanin Fakitin da Oda

Ana samar da abubuwan a cikin fakitin tef da reel wanda ya dace da kayan aikin zaɓi da wuri na atomatik. Faɗin tef ɗin shine 8 mm, an yi masa rauni akan reels masu diamita 7-inch. Kowane cikakken reel ya ƙunshi guda 4000. Mafi ƙarancin adadin oda na guda 500 ya shafi ɓangarorin reels. Fakitin ya yi daidai da ƙayyadaddun ANSI/EIA 481-1-A-1994. Lambar sashi LTST-C190TGKT-5A tana bin tsarin lambobin cikin gida na masana'anta, inda abubuwa sukan nuna jerin, launi (TG don kore), da takamaiman lambobin bin don ƙarfi da tsawon zango.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikacen Al'ada

Wannan LED ya dace da alamun matsayi a cikin na'urorin da ake ɗauka (wayoyi, kwamfutocin hannu, na'urorin sawa), hasken baya don ƙananan LCD ko maɓallan maɓalli, alamun panel a cikin sarrafa masana'antu, da hasken kayan ado a cikin samfuran masu amfani. Sirararsa yana da mahimmanci ga ƙirar sirara na zamani.

8.2 Abubuwan Tunani na Ƙira

Dole ne masu ƙira na'urar lantarki su haɗa da resistor mai iyakancewa yanzu a cikin jerin tare da LED. Ana ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vsupply - VF) / IF, inda VF shine ƙarfin lantarki na gaba daga zaɓaɓɓen kwandon kuma IF shine halin yanzu na tuƙi da ake so (kada ya wuce 20 mA DC). Don daidaitaccen haske a cikin jerin LED masu yawa, ana ba da shawarar zaɓar LED daga kwandon ƙarfi ɗaya (misali, duk daga kwandon P). Ya kamata sarrafa zafin jiki akan PCB ya tabbatar da zafin aiki a kusa da LED bai wuce 80°C ba don kiyaye tsawon rayuwa da kwanciyar hankali na fitar da haske.

9. Kwatancin Fasaha & Bambance-bambance

Babban bambance-bambancen wannan LED shine tsayinsa na 0.8mm, wanda ya fi sirara fiye da yawancin LED chip na yau da kullun (misali, fakitin 0603 ko 0805 waɗanda galibi suna da tsayi >1.0mm). Idan aka kwatanta da tsohuwar fasaha kamar LED na AlGaInP, guntuwar InGaN tana ba da inganci da haske mafi girma, musamman a cikin bakan kore/shudi. Faɗin kusurwar kallo na digiri 130 yana ba da haske mai yawa fiye da LED masu ƙunƙuntaccen kusurwar kallo, wanda yana da amfani ga aikace-aikacen da ba a kafa wurin kallo kai tsaye a kan axis ba.

10. Tambayoyin da ake yawan yi (FAQs)

Q: Shin zan iya tuƙi wannan LED a 20mA akai-akai?

A: E, 20mA shine matsakaicin ƙimar DC na gaba. Don mafi kyawun tsawon rayuwa, tuƙi a ƙaramin halin yanzu kamar 10-15mA ya zama ruwan dare kuma zai ci gaba da ba da isasshen haske yayin rage damuwa da zafi.

Q: Menene bambanci tsakanin tsawon zango mai rinjaye da kololuwar tsawon zango?

A: Tsawon zango mai rinjaye (λd) an samo shi ne daga ginshiƙin launi na CIE kuma yana wakiltar launin da ake gani. Kololuwar tsawon zango (λp) ita ce ainihin kololuwar jiki na bakan da aka fitar. Sau da yawa suna kusa amma ba iri ɗaya ba.

Q: Me yasa ake buƙatar gasa idan an buɗe reel fiye da mako guda?

A: Fakitin filastik na iya ɗaukar danshi daga iska. A lokacin babban zafin jiki na reflow, wannan danshi na iya yin tururi da sauri, yana haifar da rabuwar ciki ko fashewa ("popcorning"). Gasa yana fitar da wannan danshin da aka ɗauka.

Q: Shin zan iya amfani da guntun gishiri maimakon reflow?

A: Gishiri na hannu tare da ƙarfe na yiwuwa amma ba a ba da shawarar don samarwa mai yawa ba. Idan ya cancanta, dole ne zafin ƙarfen ƙarfe bai wuce 300°C ba, kuma lokacin tuntuɓar dole ne ya iyakance zuwa dakika 3 mafi girma don taron gishiri guda ɗaya.

11: Nazarin Shari'ar Aikace-aikace na Aiki

Yi la'akari da ƙira don agogon waya mai hankali tare da LED na sanarwa da yawa. Ƙuntatawa mai tsayi a cikin akwatin agogon yana da tsanani, a 1.0mm. LED na yau da kullun na iya zama tsayi 1.2mm, yana haifar da matsalolin dacewa. Wannan LED mai tsayi 0.8mm ya dace da kyau. Mai zane ya zaɓi kwandon D7 don ƙarfin lantarki (2.8-3.0V) da P don ƙarfi (45-71 mcd) don tabbatar da daidaitaccen haske da amfani da wutar lantarki daga samar da agogon 3.3V. Faɗin kusurwar kallo na digiri 130 yana tabbatar da cewa hasken sanarwar yana bayyana ko da lokacin da aka kalli fuskar agogon daga kusurwa. An sanya LED ɗin akan PCB, kuma haɗin gwiwar yana ƙarƙashin daidaitaccen tsarin reflow mara gubar ta amfani da bayanin da aka bayar, yana haifar da haɗin gishiri mai aminci ba tare da lalata abubuwan ba.

12. Gabatarwar Ka'idar Fasaha

Wannan LED ya dogara ne akan kayan semiconductor na InGaN (Indium Gallium Nitride). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yanki mai aiki. Sun sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki na gawa na InGaN yana ƙayyade makamashin bandgap, wanda kuma yana ƙayyade tsawon zango (launi) na hasken da aka fitar. Don fitar da kore, ana sarrafa abun ciki na indium a hankali. Ruwan tabarau na ruwa mai tsabta yana lulluɓe da kare guntuwar semiconductor, kuma an ƙera siffarsa don inganta fitar da haske da kusurwar kallo.

13. Trends na Masana'antu & Ci gaba

Trend a cikin SMD LED yana ci gaba zuwa ga ƙanƙanta, mafi inganci (ƙarin fitowar haske a kowace watt na shigar da lantarki), da ingantaccen daidaiton launi. Tuƙi don na'urori masu sirara, kamar yadda aka gani a cikin wannan samfurin, ana motsa shi ta hanyar neman ƙwaƙƙwaran na'urorin lantarki na masu amfani. Bugu da ƙari, akwai haɗakarwa mai ƙaruwa, tare da haɗa LED tare da direbobi da ICs na sarrafawa cikin fakitin guda ɗaya. Hakanan fasahar InGaN ta asali ita ce tsakiyar ci gaban manyan LED don hasken gabaɗaya da micro-LEDs don nunin zamani na gaba, yana nuna ƙaƙƙarfan tushen fasaha mai tasowa.