Takardar Bayani na Fasaha na LTST-C170KGKT SMD LED - 3.2x1.6x1.4mm - 2.0V - Kori - 0.06W - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda tana ba da cikakkun bayanai na fasaha don fitilar LED mai haɗawa da allon lantarki (SMD). An tsara shi don haɗa allon lantarki (PCB) ta atomatik, wannan ɓangaren ya dace sosai don aikace-aikacen da ke da ƙarancin sarari a cikin kayan lantarki iri-iri.

1.1 Fasali

• Yana bin ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Yana amfani da ƙwaƙwalwar semiconductor mai haske sosai na Aluminium Indium Gallium Phosphide (AlInGaP) don fitar da hasken kori.
• An tattara shi a kan tef ɗin 8mm wanda aka nannade a kan reels masu diamita inci 7 don ingantaccen haɗawa ta atomatik.
• Madaidaicin ƙafar fakitin EIA (Ƙungiyar Masana'antu ta Lantarki) yana tabbatar da dacewa da ƙirar masana'antu.
• Halayen shigarwa da fitarwa sun dace da matakan ma'auni na ƙwaƙwalwar aiki (IC).
• An tsara shi don dacewa da kayan aikin sanya fasahar haɗawa da allon lantarki (SMT) ta atomatik.
• Yana jurewa tsarin gudanar da gishiri na infrared (IR) da ake amfani da shi wajen samar da PCB mai yawa.

1.2 Aikace-aikace

Wannan LED ya dace da aikace-aikace iri-iri, gami da amma ba'a iyakance ga:

• Na'urorin sadarwa, kayan aikin sarrafa ofis, kayan amfanin gida, da tsarin sarrafa masana'antu.
• Hasken baya don maɓallan rubutu da madannai.
• Nuna halin aiki da alamun wutar lantarki.
• Ƙananan nuni da alamun panel.
• Hasken sigina da fitilu masu alama.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Wadannan ma'auni suna bayyana iyakokin da wucewa da su zai iya haifar da lalacewa ta dindindin ga na'urar. Ba a tabbatar da aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin jimlar wutar lantarki da fakiti zai iya fitarwa a matsayin zafi.
• Matsakaicin Halin Gaba na Gaba (I_FP):80 mA. Wannan shine matsakaicin halin gaba na gaba da aka yarda da shi na lokaci-lokaci, yawanci ana ƙayyade shi a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms) don hana yin zafi sosai.
• Halayen Gaba na DC (I_F):30 mA. Wannan shine matsakaicin halin gaba na gaba na ci gaba don aiki mai dogon lokaci mai aminci.
• Ƙarfin Lantarki na Baya (V_R):5 V. Wucewa wannan ƙarfin lantarki a cikin karkatar da baya zai iya haifar da rushewar haɗin gwiwa.
• Yanayin Aiki & Adana Zazzabi:-55°C zuwa +85°C. Na'urar na iya aiki kuma ana adana ta a cikin wannan kewayon yanayin zafi.
• Yanayin Gishiri na Infrared:260°C na daƙiƙa 10 matsakaici. Wannan yana bayyana matsakaicin zafi da lokacin jurewa don hanyoyin gishiri na sake kunnawa.

2.2 Halayen Lantarki & Na Gani

Ana auna waɗannan ma'auni a yanayin zafi na muhalli (T_a) na 25°C kuma suna bayyana yanayin aiki na yau da kullun na na'urar.

• Ƙarfin Hasken Hasken (I_V):18.0 - 71.0 mcd (Na yau da kullun: 35.0 mcd) a I_F= 20 mA. Wannan yana auna hasken da idon ɗan adam ke gani na LED. Ana sarrafa babban kewayon ta hanyar binning (duba Sashe na 3).
• Kusurwar Dubawa (2θ_1/2):digiri 130. Wannan shine cikakkiyar kusurwar da ƙarfin haske ya ragu da rabin ƙimar da aka auna akan-axis (0°). Babban kusurwar dubawa kamar wannan yana ba da ƙirar haske mai yaduwa wanda ya dace da aikace-aikacen nuna alama.
• Matsakaicin Tsawon Tsawon Tsawon (λ_P):574.0 nm (Na yau da kullun). Wannan shine tsawon zango inda fitarwar ikon gani ya fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):567.5 - 576.5 nm (Na yau da kullun: 571.0 nm) a I_F= 20 mA. Wannan shine tsawon zango guda ɗaya da idon ɗan adam ke gani wanda ke bayyana launi (kori). An samo shi daga zanen launi na CIE.
• Rabin Faɗin Layin Gani (Δλ):15.0 nm. Wannan yana nuna tsaftar gani, yana bayyana kewayon tsawon zango a kusa da kololuwar da ke ɗauke da ƙarfin gani mai mahimmanci.
• Ƙarfin Lantarki na Gaba (V_F):1.90 - 2.40 V (Na yau da kullun) a I_F= 20 mA. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da yake gudanar da ƙayyadaddun halin yanzu.
• Halin Baya (I_R):10 μA (Matsakaici) a V_R= 5 V. Wannan shine ƙaramin halin yanzu na yoyo wanda ke gudana lokacin da diode ke karkatar da baya.

3. Bayanin Tsarin Binning

Don tabbatar da ci gaba da aiki a cikin samarwa, 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 Matsayi na Ƙarfin Lantarki na Gaba (V_F)

An bin a I_F= 20 mA. Jurewa kowace kwandon shara shine ±0.1V.

• Bin 4: 1.9V - 2.0V
• Bin 5: 2.0V - 2.1V
• Bin 6: 2.1V - 2.2V
• Bin 7: 2.2V - 2.3V
• Bin 8: 2.3V - 2.4V

3.2 Matsayi na Ƙarfin Hasken Hasken (I_V)

An bin a I_F= 20 mA. Jurewa kowace kwandon shara shine ±15%.

• Bin M: 18.0 mcd - 28.0 mcd
• Bin N: 28.0 mcd - 45.0 mcd
• Bin P: 45.0 mcd - 71.0 mcd

3.3 Matsayi na Hue (Matsakaicin Tsawon Tsawon, λ_d)

An bin a I_F= 20 mA. Jurewa kowace kwandon shara shine ±1 nm.

• Bin C: 567.5 nm - 570.5 nm
• Bin D: 570.5 nm - 573.5 nm
• Bin E: 573.5 nm - 576.5 nm

4. Bincike na Lanƙwasa Aiki

Lanƙwasa na aiki na yau da kullun suna kwatanta alaƙar tsakanin mahimman ma'auni a ƙarƙashin yanayi daban-daban. Waɗannan suna da mahimmanci don ƙirar da'ira mai ƙarfi.

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

Lanƙwasa I-V yana nuna alaƙar ma'auni na yau da kullun na diode. Ga wannan AlInGaP LED kori, ƙarfin lantarki na gaba (V_F) yana da ƙimar yau da kullun kusan 2.0V a 20mA. Dole ne masu ƙira su tabbatar cewa resistor mai iyakance halin yanzu ko da'irar direba yana ba da madaidaicin ƙarfin lantarki don cimma halin yanzu da ake so, saboda ƙananan canje-canje a cikin ƙarfin lantarki na iya haifar da manyan canje-canje a cikin halin yanzu.

4.2 Ƙarfin Hasken Hasken vs. Halin Gaba na Gaba

Wannan lanƙwasa gabaɗaya yana da layi a cikin kewayon halin yanzu na aiki da aka ba da shawarar (har zuwa 30mA DC). Ƙara halin gaba na gaba yana ƙara fitowar haske daidai gwargwado. Duk da haka, yin aiki sama da matsakaicin matsakaicin matsakaicin zai haifar da raguwar inganci, ƙara zafi, da rage tsawon rayuwa.

4.3 Rarraba Gani

Lanƙwasa fitarwar gani yana tsakiya a kusa da tsayin zango mafi girma na 574 nm (kori) tare da rabin faɗi na yau da kullun na 15 nm. Matsakaicin tsawon zango (λ_d), wanda ke bayyana launin da ake gani, yana cikin kewayon 571 nm ± 5 nm dangane da kwandon shara. Wannan ƙaramin bakan yana da halayen fasahar AlInGaP, yana ba da tsaftar launi mai cikar cikar.

5. Bayanin Injiniya & Tattarawa

5.1 Girman Fakiti

LED yana zaune a cikin daidaitaccen fakiti na SMD. Mahimman girma (a cikin milimita) sune: Tsawon: 3.2 mm, Faɗi: 1.6 mm, Tsayi: 1.4 mm. Jurewa yawanci ±0.1 mm sai dai idan an lura daban. Ruwan tabarau yana da tsabta.

5.2 Gano Polarity & Ƙirar PCB Pad

Bangaren yana da alamar cathode (yawanci ana nuna shi da kore ɗigo, tsaga, ko gajeriyar jagora akan tef). An ba da shawarar ƙirar ƙasa ta PCB (ƙafar ƙafa) don tabbatar da ingantaccen haɗin gishiri, haɗin lantarki mai aminci, da daidaitaccen daidaitawa yayin sake kunnawa. Bin wannan jagorar yana hana kabari da sauran lahani na gishiri.

5.3 Tattarawar Tef da Reel

Ana ba da LED akan tef ɗin mai ɗaukar kaya mai faɗin 8 mm, wanda aka nannade a kan reels masu diamita inci 7 (178 mm). Matsakaicin adadin reel shine guda 3000. Tattarawar ta haɗa da tef ɗin saman rufi don kare abubuwan. Daidaitawa da tazarar aljihu suna bin ka'idojin ANSI/EIA-481 don sarrafawa ta atomatik.

6. Jagororin Gishiri & Haɗawa

6.1 Bayanin Yanayin Sake Kunnawar Gishiri na IR (Tsari mara Gubar)

An ba da shawarar bayanin sake kunnawa don haɗawa da gishiri mara gubar (mara gubar). Mahimman ma'auni sun haɗa da:

• Dumama Kafin:150°C zuwa 200°C.
• Lokacin Dumama Kafin:Matsakaicin daƙiƙa 120 don ba da damar kunna flux da daidaita zafin jiki.
• Matsakaicin Zazzabi:Matsakaicin 260°C.
• Lokaci Sama da Liquidus (a kololuwa):Matsakaicin daƙiƙa 10. Na'urar na iya jure matsakaicin sake zagayowar sake kunnawa guda biyu a ƙarƙashin waɗannan sharuɗɗan.

Ya kamata a haɓaka bayanan bisa ka'idojin JEDEC kuma a tabbatar da su tare da takamaiman ƙirar PCB, man gishiri, da tanda da ake amfani da su wajen samarwa.

6.2 Gishiri da Hannu

Idan gishiri da hannu ya zama dole, yi amfani da ƙarfe mai sarrafa zafin jiki. Zafin ƙarfen gishiri bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance shi zuwa matsakaicin daƙiƙa 3 kowane pad. Ya kamata a yi gishiri da hannu sau ɗaya kawai.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gishiri, yi amfani da kawai ingantattun abubuwan narkewa na barasa kamar ethyl alcohol ko isopropyl alcohol a yanayin daki. Lokacin nutsarwa ya kamata ya zama ƙasa da minti ɗaya. Guji magungunan tsaftacewa da ba a bayyana ba waɗanda zasu iya lalata fakitin LED ko ruwan tabarau.

6.4 Adanawa & Sarrafawa

• Hatsarin ESD:Wannan na'urar tana da hankali ga fitar da wutar lantarki (ESD). Yi amfani da sarrafawa ta amfani da ingantattun sarrafawa na ESD kamar takalman wuyan hannu da aka kafa, tabarma mai hana tashin hankali, da kwantena.
• Hankalin Danshi:Fakitin yana da hankali ga danshi. Lokacin da aka adana shi a cikin ainihin jakar shinge na danshi da aka rufe tare da busassun abu, tsawon rayuwar shinge shine shekara ɗaya a ≤30°C da ≤90% RH. Da zarar an buɗe jakar, ya kamata a adana abubuwan a ≤30°C da ≤70% RH kuma ya kamata su yi sake kunnawar IR cikin sa'o'i 672 (kwanaki 28, MSL 2a). Don adanawa fiye da wannan lokacin ko a cikin yanayi mara sarrafawa, ana ba da shawarar yin gasa a kusan 60°C na aƙalla sa'o'i 20 kafin gishiri.

7. Bayanan Aikace-aikace & Abubuwan Ƙira

7.1 Iyakance Halin Yanzu

LED na'urar ce mai motsa halin yanzu. Resistor mai iyakance halin yanzu na jerin yana tilas lokacin tuƙi daga tushen ƙarfin lantarki. Ƙimar resistor (R) za a iya ƙididdige ta ta amfani da Dokar Ohm: R = (V_tushen- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga takardar bayani (2.4V) don ƙira mai ra'ayin mazan jiya don tabbatar da cewa halin yanzu bai wuce ƙimar da ake so ba. Misali, tuƙi daga wadataccen 5V a 20mA: R = (5V - 2.4V) / 0.02A = 130 Ω. Daidaitaccen resistor 130 Ω ko 150 Ω zai dace.

7.2 Gudanar da Zafi

Duk da yake rushewar wutar lantarki yana da ƙasa (75 mW matsakaici), ingantaccen ƙirar zafi yana tsawaita tsawon rayuwa kuma yana kiyaye ingantaccen fitarwa na gani. Tabbatar da isasshen yanki na tagulla a kusa da pad ɗin PCB don zama mai sanyaya zafi. Guji yin aiki a matsakaicin matsakaicin halin yanzu da iyakokin zafi akai-akai.

7.3 Ƙirar Gani

Kusurwar dubawa na digiri 130 yana haifar da haske mai faɗi, mai yaduwa. Don aikace-aikacen da ke buƙatar ƙarin haske mai mai da hankali, za a buƙaci na'urorin gani na biyu (ruwan tabarau ko jagororin haske). Ruwan tabarau mai tsabta yana da mafi kyau don fitar da launi na gaskiya ba tare da launi ba.

8. Kwatancen Fasaha & Bambance-bambance

Wannan AlInGaP LED kori yana ba da takamaiman fa'idodi:

• vs. Tsoffin GaP Kori LED:Fasahar AlInGaP tana ba da ingantaccen inganci mai haske da haske (ƙarfin haske) sosai don irin wannan halin yanzu na tuƙi, tare da mafi kyawun cikar launi da kwanciyar hankali akan zafin jiki.
• vs. InGaN Shudi/Kori LED:Duk da yake InGaN LED na iya samun haske mai girma sosai, wannan AlInGaP kori LED a cikin wannan tsarin fakiti yana ba da ingantaccen mafita mai tsada don daidaitattun aikace-aikacen nuna alama tare da halayen ƙarfin lantarki na gaba mai kwanciyar hankali.
• Masu Bambancewa Mafi Muhimmanci:Haɗuwa da babban kusurwar dubawa na digiri 130, bin ka'idojin RoHS, dacewa da sake kunnawar IR, da cikakken binning don daidaiton launi da haske ya sa wannan ɓangaren ya zama zaɓi mai aminci don samarwa ta atomatik, mai yawa.

9. Tambayoyin da ake yawan yi (FAQ)

9.1 Menene bambanci tsakanin Tsawon Tsawon Kololuwa da Matsakaicin Tsawon Tsawon?

Tsawon Tsawon Kololuwa (λ_P)shine tsawon zango na zahiri inda LED ke fitar da mafi yawan ikon gani, wanda spectrometer ke aunawa.Matsakaicin Tsawon Tsawon (λ_d)shine tsawon zango guda ɗaya na fahimta wanda ya dace da launin da idon ɗan adam ke gani, wanda aka ƙididdige shi daga madaidaitan launi na CIE. Ga LED masu launi ɗaya kamar wannan kori, yawanci suna kusa da ƙima.

9.2 Zan iya tuƙa wannan LED ba tare da resistor mai iyakance halin yanzu ba?

No.Ƙarfin lantarki na gaba na LED yana da ƙarancin ƙimar zafin jiki kuma ya bambanta daga naúrar zuwa naúrar. Haɗa shi kai tsaye zuwa tushen ƙarfin lantarki zai haifar da haɓakar halin yanzu mara sarrafawa, mai yuwuwar wuce Matsakaicin Matsakaicin Matsayi kuma ya lalata na'urar nan take. Koyaushe yi amfani da resistor na jerin ko direba mai ci gaba da halin yanzu.

9.3 Me yasa akwai babban kewayon a cikin Ƙarfin Hasken Hasken (18-71 mcd)?

Wannan kewayon yana nuna bambance-bambancen halitta a cikin samar da semiconductor. Tsarinbinning(M, N, P matsayi) yana rarraba LED zuwa ƙungiyoyi tare da ƙananan kewayon ƙarfi. Don aikace-aikacen da ke buƙatar daidaitaccen haske, ƙayyade kuma yi amfani da LED daga kwandon shara iri ɗaya na ƙarfi.

9.4 Ta yaya zan fassara "Kusurwar Dubawa" na digiri 130?

Wannan shinecikakkiyar kusurwainda ƙarfin haske ya ragu zuwa 50% na ƙarfinsa akan-axis (tsakiya). Don haka, a digiri 65 daga-axis zuwa hagu da digiri 65 daga-axis zuwa dama (jimlar digiri 130), hasken ya rabi da abin da kuke gani lokacin kallon LED kai tsaye. Wannan yana bayyana yaduwar katako.

10. Misalan Aikace-aikace na Aiki

10.1 Panel Nuna Halin Aiki

A cikin na'urar sadarwar hanyar sadarwa ko panel ɗin sarrafa masana'antu, ana iya amfani da LED iri-iri na wannan nau'in don nuna wutar lantarki, ayyukan hanyar sadarwa, kurakuran tsarin, ko hanyoyin aiki. Babban kusurwar dubawa yana tabbatar da ganuwa daga kusurwoyi daban-daban. Ta zaɓar LED daga irin wannan V_Fda I_Vbin, ana iya samun daidaitaccen haske da launi a fadin panel. Da'ira mai sauƙi tare da wadataccen 5V, filin GPIO microcontroller, resistor mai iyakance halin yanzu na 150Ω, da LED a jere shine na yau da kullun.

10.2 Hasken Baya na Keyboard

Don haskaka maɓallai akan membrane ko na'urar madannai, waɗannan SMD LED za a iya sanya su akan PCB ƙarƙashin maɓallan maɓalli masu wucewa. Ƙananan girman su (3.2x1.6mm) yana ba da damar sanyawa tsakanin ƙafafun canji. Ƙwaƙwalwar AlInGaP kori tana ba da launi mai tsabta, bambanta. Abubuwan ƙira sun haɗa da sarrafa halin yanzu don LED iri-iri a layi daya (zai fi dacewa da resistors ɗaya ko direba mai tsarin ci gaba da halin yanzu) da tabbatar da daidaitaccen yaduwar haske ta hanyar kayan maɓalli.

11. Gabatarwar Fasaha

Wannan LED ya dogara ne akanFasahar Semiconductor na Aluminium Indium Gallium Phosphide (AlInGaP). Wannan tsarin kayan ana girma da epitaxially akan substrate kuma yana da inganci musamman a cikin yankunan ja, orange, amber, da kori na bakan gani. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na haɗin gwiwar semiconductor, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin yadudduka na AlInGaP yana ƙayyade ƙarfin bandgap don haka tsawon zango (launi) na hasken da aka fitar. Ruwan tabarau na epoxy mai tsabta yana rufe ƙwaƙwalwar, yana ba da kariya ta injiniya, kuma yana siffanta ƙirar fitarwar haske.

12. Trends na Masana'antu

Gabaɗayan yanayin a cikin SMD nuna alama LED yana ci gaba zuwa gaƙara inganci(ƙarin fitowar haske a kowace naúrar wutar lantarki),ƙananan girman fakitidon alluna masu yawa, daingantaccen aminci. Har ila yau, ana ƙara mai da hankali kan daidaita launi da ƙaramin binning don biyan buƙatun aikace-aikacen da ke buƙatar daidaiton launi mai girma, kamar cikakkun nuni masu launi da hasken cikin mota. Bugu da ƙari, haɗawa tare da masu tuƙi masu hankali don dushewa da sarrafa launi yana zama mafi yawanci. Bangaren da aka bayyana a cikin wannan takardar bayani yana wakiltar fasaha mai girma, mai aminci wanda ya dace da aikace-aikacensa na manufa a cikin kayan lantarki na mabukaci da na masana'antu.