Bayanin Fasaha na LED LTST-C216TBKT Mai Haɗawa a Baya - Shudi - 2.8-3.8V - 76mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanai na fasaha don babban aikin LED mai haɗawa a baya (SMD) wanda ke fitar da hasken shudi. An ƙera kayan don tsarin haɗawa ta atomatik kuma ya bi ka'idojin RoHS da ma'auni na samfuran kore. Babban aikace-aikacensa shine a cikin kayan lantarki da ke buƙatar amintaccen tushen haske mai ƙarami.

1.1 Siffofi da Fa'idodi na Asali

LED yana ba da fa'idodi masu mahimmanci da yawa don masana'antar lantarki na zamani:

• Daidaituwa da Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari) kuma an rarraba shi azaman samfurin kore.
• Zane na Haɗawa a Baya:Wannan takamaiman salon fakitin an inganta shi don aikace-aikace inda ake haɗa LED tare da ruwan tabarau yana fuskantar daga allon kewaye, sau da yawa don tasirin harbi gefe ko hasken gefe.
• Daidaituwa da Masana'antu:Ana ba da shi a cikin madaidaicin tef na 8mm akan reels masu diamita 7-inch, wanda ya sa ya dace da kayan aikin ɗauka da sanyawa na atomatik mai sauri da ake amfani da su wajen samarwa mai yawa.
• Daidaituwa da Tsari:An ƙera na'urar don jure madaidaicin tsarin sake kwarara na infrared (IR), sake kwarara na lokacin tururi, da tsarin haɗa igiyar ruwa, yana ba da sassauci a cikin saitin layin haɗawa.
• Daidaituwa da Ma'auni:Ya bi daidaitattun girmansu na EIA (Ƙungiyar Masana'antu na Lantarki), yana tabbatar da musanya da sauƙin ƙira.
• Sauƙin Tuƙi:LED ya dace da I.C. (Haɗaɗɗen Kewayawa), ma'ana ana iya tuƙa shi cikin sauƙi ta hanyar fitarwar matakin dabaru na yau da kullun tare da iyakancewar halin yanzu.

2. Zurfin Binciken Ƙayyadaddun Fasaha

Wannan sashe yana ba da cikakken bincike na zahiri game da mahimman ma'auni na LED, waɗanda aka samo daga cikin Iyakar Ma'auni Mafi Girma da Tebur na Halayen Lantarki/Na Gani.

2.1 Iyakar Ma'auni Mafi Girma

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda sama da su za a iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ko sama da waɗannan iyakokin ba.

• Rushewar Wutar Lantarki (Pd):76 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa azaman zafi a yanayin yanayi (Ta) na 25°C. Wuce wannan zai haifar da hauhawar yanayin haɗin gwiwa mai yawa.
• Halin Yanzu na Gaba na DC (IF):20 mA. Matsakaicin ci gaba da halin yanzu na gaba da aka ba da shawarar don aiki mai aminci.
• Kololuwar Halin Yanzu na Gaba:100 mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms) don samun mafi girman fitowar haske na nan take ba tare da yin zafi ba.
• Rage Daraja:Dole ne a rage halin yanzu na gaba na DC a layi daya da 0.25 mA ga kowane digiri Celsius yanayin yanayi ya tashi sama da 50°C. Misali, a 70°C, matsakaicin ci gaba da halin yanzu zai kasance 20 mA - (0.25 mA/°C * 20°C) = 15 mA.
• Ƙarfin Lantarki na Baya (VR):5 V matsakaici. Yin amfani da ƙarfin lantarki na baya sama da wannan na iya haifar da gazawar nan take da mummunan gaske. Bayanin bayanan ya bayyana a sarari cewa ba za a iya amfani da ƙarfin lantarki na baya don ci gaba da aiki ba.
• Yankunan Zafin Jiki:Na'urar na iya aiki kuma a adana ta a cikin faɗin yanayin zafi daga -55°C zuwa +85°C.
• Jurewar Haɗawa:LED na iya jure yanayin zafin haɗawa na 260°C har zuwa dakika 5 (IR/Wave) ko 215°C har zuwa mintuna 3 (Lokacin Tururi), yana ayyana taga tsari don haɗa PCB.

2.2 Halayen Lantarki da Na Gani

Waɗannan su ne madaidaicin ma'auni na aiki da aka auna a Ta=25°C da IF=20 mA, sai dai idan an faɗi daban.

• Ƙarfin Hasken Hasken (Iv):Ya bambanta daga mafi ƙarancin 28.0 mcd zuwa matsakaicin 180.0 mcd. Ainihin ƙimar naƙasasshen naúrar ya dogara da lambar bin dinta (duba Sashe na 3). Ana auna ƙarfin ta amfani da firikwensin da aka tace don dacewa da amsawar idon ɗan adam na photopic (lanƙwasa CIE).
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan faɗin kusurwar dubawa tana nuna tsarin fitarwa na Lambertian ko kusa da Lambertian, wanda ya dace da aikace-aikacen da ke buƙatar haske mai faɗi, daidai maimakon katako mai mai da hankali.
• Kololuwar Tsawon Tsawon (λP):Yawanci 468 nm. Wannan shine tsawon zango inda fitarwar ƙarfin gani ya fi girma.
• Matsakaicin Tsawon Tsawon (λd):Ya bambanta daga 465.0 nm zuwa 475.0 nm. Wannan shine tsawon zango guda ɗaya da idon ɗan adam ya gane wanda ke ayyana launi (shudi). An lissafta shi daga daidaitattun maki na chromaticity na CIE.
• Rabin Faɗin Layin Gani (Δλ):Kimanin 25 nm. Wannan yana ƙayyade faɗin band na hasken da aka fitar, wanda aka auna azaman cikakken faɗi a rabin matsakaicin (FWHM) na kololuwar gani.
• Ƙarfin Lantarki na Gaba (VF):Ya bambanta daga 2.80 V zuwa 3.80 V a 20 mA. Ainihin ƙimar tana bin (duba Sashe na 3). Wannan ma'auni yana da mahimmanci don ƙirar resistor mai iyakance halin yanzu a cikin kewayen tuƙi.
• Halin Yanzu na Baya (IR):Matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin lantarki na baya na 5V. Halin yanzu na yabo sama da ƙayyadaddun na iya nuna lalacewa.
• Ƙarfin Ƙarfi (C):Yawanci 40 pF da aka auna a 0V bias da mitar 1 MHz. Gabaɗaya ana yin watsi da wannan ga yawancin aikace-aikacen DC da ƙananan mitoci amma yana iya dacewa a cikin kewayen haɗaɗɗen sauri.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon shara bisa mahimman ma'auni. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatun aikace-aikace don daidaiton launi da haske.

3.1 Binning Ƙarfin Lantarki na Gaba

Ana rarraba raka'a ta hanyar faɗuwar ƙarfin lantarki na gaba a 20 mA. Kwandon shara D7 zuwa D11 sun rufe kewayon daga 2.80V zuwa 3.80V a matakai na 0.2V, tare da jurewar ±0.1V a cikin kowane kwandon shara. Zaɓin LED daga kwandon shara na ƙarfin lantarki iri ɗaya yana taimakawa tabbatar da raba halin yanzu daidai lokacin da aka haɗa na'urori da yawa a layi daya.

3.2 Binning Ƙarfin Hasken Hasken

Wannan binning yana rarraba LED ta hanyar fitowar haskensu. Kwandon shara N, P, Q, da R sun rufe kewayon ƙarfi daga 28-45 mcd, 45-71 mcd, 71-112 mcd, da 112-180 mcd, bi da bi. Kowane kwandon shara yana da jurewar ±15%. Zaɓin sassa daga kwandon shara na ƙarfi guda ɗaya yana da mahimmanci ga aikace-aikacen da ke buƙatar daidaiton haske a cikin alamomi masu yawa.

3.3 Binning Matsakaicin Tsawon Tsawon

Wannan yana ayyana launin da aka gane. Don wannan LED shudi, akwai kwandon shara AC (465-470 nm) da AD (470-475 nm), tare da ƙaramin jurewar ±1 nm kowane kwandon shara. Wannan yana tabbatar da ƙaramin bambancin launi a cikin jerin LED masu yawa.

4. Binciken Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasan hoto a cikin bayanan bayanai (misali, Hoto na 1, Hoto na 6), ana nazarin abubuwan da suka dace a nan.

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

Fitar haske (ƙarfin hasken) na LED yana daidai da halin yanzu na gaba, har zuwa wani lokaci. Yin aiki a shawarar 20 mA yana tabbatar da ingantacciyar inganci da tsawon rai. Ƙimar bugun jini na 100 mA yana ba da damar lokutan tuƙi na ɗan lokaci don aikace-aikacen strobe ko sigina mai haske, amma ci gaba da aiki a irin waɗannan halayen yanzu zai saba wa ƙimar watsawar wutar lantarki.

4.2 Dogaro da Zafin Jiki

Aikin LED yana da hankali ga zafin jiki. Ƙarfin lantarki na gaba yawanci yana raguwa tare da ƙara yawan zafin haɗin gwiwa. Mafi mahimmanci, ƙarfin hasken yana raguwa yayin da zafin jiki ya tashi. Ƙayyadaddun ƙimar rage ƙimar halin yanzu na gaba (0.25 mA/°C sama da 50°C) sakamako ne kai tsaye na wannan buƙatar sarrafa zafin jiki, yana hana yanayin haɗin gwiwa wuce iyakokin aminci.

4.3 Halayen Gani

Lanƙwasa rarraba gani (wanda aka ambata ta ma'aunin tsawon zango mafi girma) yana nuna ƙarfin hasken da aka fitar a kowane tsawon zango. Matsakaicin tsawon zango (λd) an samo shi daga wannan lanƙwasa da sararin launi na CIE. Rabin faɗin gani na 25 nm yana nuna launin shudi mai tsafta. Kololuwar tsawon zango na iya canzawa kaɗan tare da canje-canjen halin yanzu na tuƙi da zafin jiki.

5. Bayanin Injiniya da Marufi

5.1 Girman Fakitin da Ƙimar Ƙimar

LED ya bi daidaitaccen tsarin fakitin SMD na EIA. Bayanin bayanan ya haɗa da cikakken zanen girma (duk girma a cikin mm). Don fakitin haɗawa a baya, gano yanayin cathode/anode daga ra'ayi na sama yana da mahimmanci. Yawanci, alama akan fakitin ko fasalin da bai dace ba yana nuna cathode. Hoto na shimfidar kushin haɗawa da aka ba da shawarar yana tabbatar da ingantaccen samuwar haɗin haɗawa da kwanciyar hankali na injiniya yayin sake kwarara.

5.2 Ƙayyadaddun Tef da Reel

Ana ba da kayan a cikin madaidaicin tef na masana'antu na 8mm da aka nannade akan reels masu diamita 7-inch. Muhimman bayanan marufi sun haɗa da: guda 3000 kowane reel, mafi ƙarancin adadin fakitin 500 don sauran, da matsakaicin abubuwan da suka ɓace biyu a jere da aka yarda da su kowane reel. Marufi yana bin ka'idojin ANSI/EIA 481-1-A-1994, yana tabbatar da dacewa da masu ciyar da atomatik.

6. Jagororin Haɗawa da Haɗawa

6.1 Shahararrun Bayanan Sake Kwarara

Bayanin bayanan yana ba da shawarwarin bayanan sake kwarara na infrared (IR) don duka tsarin haɗa na al'ada (tin-lead) da maras gubar. Muhimman ma'auni sun haɗa da yankunan dumama kafin, lokacin sama da ruwa, da matsakaicin zafin jiki (matsakaici 260°C na dakika 5). Yin bin waɗannan bayanan yana da mahimmanci don hana girgizar zafi, wanda zai iya haifar da fashewar fakitin ko rabuwa, da kuma tabbatar da ingantattun haɗin haɗawa ba tare da lalata guntun LED ba.

6.2 Ajiya da Gudanarwa

Ajiya:Ya kamata a adana LED a cikin yanayin da bai wuce 30°C da 70% danshin yanayi ba. Abubuwan da aka cire daga jakar shinge na danshi na asali yakamata a sake haɗa su a cikin mako guda. Don ajiya mai tsayi a waje da jakar, dole ne a adana su a cikin akwati mai rufi tare da bushewa ko a cikin yanayin nitrogen. Idan an adana ba tare da buɗewa ba sama da mako guda, ana buƙatar gasa na awanni 24 a 60°C kafin haɗawa don cire danshin da aka sha da hana "popcorning" yayin sake kwarara.

Tsaftacewa:Idan ana buƙatar tsaftacewa bayan haɗawa, kawai yakamata a yi amfani da kaushi na barasa kamar isopropyl alcohol ko ethyl alcohol. Yakamata a nutsar da LED a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sauran sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na epoxy ko fakitin.

6.3 Kariya daga ESD (Fitar da Lantarki Mai Tsanani)

LED suna da hankali ga fitar da lantarki mai tsanani. Dole ne a yi gudanarwa tare da ingantattun sarrafawa na ESD: ta amfani da igiyoyin wuyan hannu masu tushe, safofin hannu masu hana tashin hankali, da tabbatar da cewa duk kayan aiki da saman aiki suna da tushe da kyau. Ƙarfin wutar lantarki kuma na iya haifar da gazawar nan take.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Amfani da Ana Nufi da Iyakoki

An ƙera wannan LED don kayan lantarki na yau da kullun a cikin aikace-aikacen ofis, sadarwa, da gida. Ba a ba da shawarar aikace-aikacen da ke da mahimmanci ga aminci (jirgin sama, tallafin rayuwa na likita, sarrafa sufuri) ba tare da tuntuɓar farko da cancanta ba, saboda gazawar na iya yin barazana ga rayuwa ko lafiya.

7.2 Ƙirar Kewayen Tuƙi

LED na'urar tuƙi ce ta halin yanzu. Mafi ingantacciyar hanyar tuƙa LED masu yawa ita ce amfani da resistor mai iyakance halin yanzu na jeri ga kowane LED (Samfurin Kewayen A). Haɗa LED kai tsaye a layi daya (Samfurin Kewayen B) ba a ba da shawarar ba saboda ƙananan bambance-bambance a cikin ƙarfin lantarki na gaba (VF) tsakanin raka'a ɗaya zai haifar da rashin daidaito mai mahimmanci a cikin rarraba halin yanzu, wanda zai haifar da rashin daidaiton haske da yuwuwar damuwa mai yawa na LED tare da mafi ƙarancin VF.

Ana ƙididdige ƙimar resistor na jeri (R) ta amfani da Dokar Ohm: R = (Vsupply - VF) / IF, inda VF shine ƙarfin lantarki na gaba na LED (yi amfani da matsakaicin ƙimar daga kwandon shara don aminci) kuma IF shine halin yanzu na gaba da ake so (misali, 20 mA).

7.3 Gudanar da Zafin Jiki

Ko da yake watsawar wutar lantarki ƙarami ne (76 mW), ingantaccen ƙirar zafi akan PCB har yanzu yana da mahimmanci, musamman lokacin aiki a yanayin zafi mai yawa ko lokacin da aka sanya LED masu yawa kusa da juna. Tabbatar da isasshen yanki na jan ƙarfe a kusa da kushin haɗawa yana taimakawa watsar da zafi da kiyaye ƙananan yanayin haɗin gwiwa, wanda ke kiyaye fitowar haske da tsawon rai na na'urar.

8. Kwatancen Fasaha da Trends

8.1 Bambanci

Babban abin da ya bambanta wannan samfurin shinehaɗawa a bayasaiti. Ba kamar madaidaicin LED na SMD masu fitarwa na sama ba, an ƙera wannan fakitin don haɗawa tare da babban fitar haske a layi daya tare da saman PCB. Wannan ya dace da aikace-aikacen jagorar haske, allunan hasken gefe, da alamomin yanayin inda ake buƙatar jagorar haske a gefe.

8.2 Fasaha da Trends

Wannan LED yana amfani da kayan semiconductor na InGaN (Indium Gallium Nitride), wanda shine ma'auni don samar da ingantaccen LED shudi da kore. Fasahar ta balaga kuma tana ba da ingantaccen aminci da aiki. Trends na masana'antu suna ci gaba da mayar da hankali kan ƙara ingancin haske (ƙarin fitowar haske a kowace watt), inganta daidaiton launi ta hanyar ƙaramin binning, da haɓaka dacewa tare da tsarin haɗa maras gubar (maras gubar) da babban zafin jiki da ake buƙata don haɗaɗɗun PCB na zamani.

9. Tambayoyin da ake yawan yi (FAQ)

9.1 Shin zan iya tuƙa wannan LED ba tare da resistor mai iyakance halin yanzu ba?

No.Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki sanadin gazawar nan take ne. Ƙarfin lantarki na gaba ba shi da ƙayyadaddun bakin kofa amma lanƙwasa halayya. Ƙaramin ƙari a cikin ƙarfin lantarki sama da VF yana haifar da babban ƙari, mai yuwuwar lalacewa a cikin halin yanzu. Resistor na jeri (ko direba mai ci gaba da halin yanzu) wajibi ne.

9.2 Me yasa akwai faɗin kewayon a cikin ƙarfin hasken (28-180 mcd)?

Wannan kewayon yana wakiltar jimillar yaɗuwa a cikin duk samarwa. Ta hanyar tsarin binning (N, P, Q, R), masana'antu suna rarraba LED zuwa ƙungiyoyi masu ƙarfi. Don daidaiton haske a aikace-aikacenku, yakamata ku ƙayyade ku sayi LED daga kwandon shara na ƙarfi guda ɗaya.

9.3 Menene bambanci tsakanin kololuwar tsawon zango da tsawon zango mafi rinjaye?

Kololuwar Tsawon Tsawon (λP)shine tsawon zango na zahiri inda LED ke fitar da mafi yawan ƙarfin gani.Matsakaicin Tsawon Tsawon (λd)ƙima ce da aka ƙididdige ta bisa yadda idon ɗan adam ya fahimci launi. Ga LED shudi mai launi ɗaya kamar wannan, sau da yawa suna kusa, amma λd shine mafi dacewa ma'auni don daidaitawar launi.

9.4 Ta yaya zan fassara hotunan bayanan haɗawa?

Hotunan suna zana zafin jiki akan Y-axis akan lokaci akan X-axis. Suna ayyana hanya mai aminci ta zafi don LED yayin sake kwarara. Bayanin ya haɗa da tafiyar dumama kafin a hankali don rage damuwa mai zafi, sarrafa lokaci sama da wurin narkewar haɗa don tabbatar da ingantaccen jika, da iyakar matsakaicin zafin jiki (260°C) don hana lalacewa. Ana sarrafa ƙimar sanyaya kuma. Yakamata a shirya tanda sake kwararar ku don dacewa da wannan shawarar bayanin.