Bayanin Fasaha na LED LTST-C950KGKT - AlInGaP Kore - 25mA - 62.5mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun fasaha na babban haske, LED na surface-mount da aka ƙera don hanyoyin haɗawa ta atomatik. Na'urar tana amfani da ci-gaba na AlInGaP (Aluminum Indium Gallium Phosphide) semiconductor chip don samar da hasken kore, yana ba da ingantaccen ingancin haske da aminci a cikin ƙaramin kunshi. An ƙera shi don haɗawa cikin aikace-aikacen lantarki masu ƙarancin sarari inda aikin daidaitawa da sauƙin kera suke da mahimmanci.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa masu haɗari).
• Ya ƙunshi ƙirar ruwan tabarau na dome don ingantaccen fitar da haske da kusurwar kallo.
• Yana amfani da fasahar guntu AlInGaP mai haske sosai.
• Ana ba da shi a cikin madaidaicin tepe na 8mm akan reels mai diamita 7-inch don kayan aikin ɗauka da sanyawa ta atomatik.
• Ya dace da daidaitattun hanyoyin solder na infrared (IR) reflow.
• Igiyar turawa mai dacewa da matakin dabaru.

1.2 Aikace-aikace

Wannan LED ya dace da fa'ida mai faɗi na ayyukan nuna alama da hasken baya a cikin masana'antu da yawa, gami da:

• Kayan aikin sadarwa (misali, wayoyin salula, masu sauya hanyar sadarwa).
• Na'urori na sarrafa ofis (misali, firinta, na'urorin bincike).
• Kayan amfanin gida na mabukaci.
• Panels na sarrafa masana'antu da kayan aiki.
• Hasken baya na maɓalli da madannai.
• Alamomin matsayi da wutar lantarki.
• Ƙananan nuni da fitilu na alama.

2. Girman Kunshin

LED yana cikin madaidaicin kunshin na'urar surface-mount (SMD). Launin ruwan tabarau yana da tsabta, kuma tushen hasken shine guntu AlInGaP wanda ke fitar da hasken kore. Duk ƙimar girman suna da ±0.1 mm sai dai idan an ƙayyade in ba haka ba. Dubi zane-zanen girma a cikin takardar bayanin asali don madaidaicin ma'auni na jikin ɓangaren, mai gano cathode, da tsarin pad.

3. Ƙima da Halaye

3.1 Matsakaicin Ƙimar Madaidaici

Matsaloli fiye da waɗannan iyakoki na iya haifar da lalacewa ta dindindin ga na'urar. Duk ƙimar an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

• Watsawar Wutar Lantarki (Pd):62.5 mW
• Matsakaicin Igiyar Gaba (I_F(peak)):60 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Igiyar Gaba (I_F):25 mA DC
• Ƙarfin Baya (V_R):5 V
• Kewayon Zafin Aiki:-30°C zuwa +85°C
• Kewayon Zafin Ajiya:-40°C zuwa +85°C
• Yanayin Solder na Infrared Reflow:Zafin jiki mai girma 260°C na matsakaicin dakika 10.

3.2 Halayen Lantarki da Na Gani

Madaidaicin sigogin aiki da aka auna a Ta=25°C da I_F=20mA, sai dai idan an lura.

• Ƙarfin Hasken (I_V):280 - 1120 mcd (millicandela). Ƙimar takamaiman an ƙaddara ta hanyar matsayin bin.
• Kusurwar Kallo (2θ_1/2):Digiri 25 (kusurwar da ba ta kan axis inda ƙarfin ya rabi ƙimar kan axis).
• Matsakaicin Tsawon Zango na Fitarwa (λ_P):574.0 nm (na al'ada).
• Matsakaicin Tsawon Zango (λ_d):564.5 - 576.5 nm (ya dogara da bin).
• Rabin Faɗin Layin Bakan (Δλ):15 nm (na al'ada).
• Ƙarfin Gaba (V_F):1.8 - 2.4 V.
• Igiyar Baya (I_R):10 µA matsakaici a V_R=5V.

Bayanan Ma'auni:Ana auna ƙarfin haske ta amfani da firikwensin da aka tace don dacewa da lakataccen amsawar ido na CIE photopic. Ana samun matsakaicin tsawon zango daga zanen launi na CIE.

3.3 Takaici Game da Zubar da Wutar Lantarki (ESD)

Wannan na'urar tana da hankali ga zubar da wutar lantarki da haɓakar wutar lantarki. Dole ne a aiwatar da ingantattun matakan sarrafa ESD yayin sarrafawa da haɗawa. Shawarwari sun haɗa da amfani da igiyoyin wuyan wuyan da aka kafa, safar hannu masu hana tsayayye, da tabbatar da cewa duk kayan aiki da wuraren aiki suna da tushe da kyau.

4. Tsarin Rarrabuwa (Bin Rank)

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba na'urori zuwa bins bisa mahimman sigogi. Wannan yana ba masu ƙira damar zaɓar LED masu dacewa da takamaiman buƙatun su na jurewa.

4.1 Matsayin Ƙarfin Gaba (V_F)

An rarraba a I_F=20mA. Jurewa kowane bin shine ±0.1V.

• D2:1.8V (Ƙananan) - 2.0V (Mafi girma)
• D3:2.0V (Ƙananan) - 2.2V (Mafi girma)
• D4:2.2V (Ƙananan) - 2.4V (Mafi girma)

4.2 Matsayin Ƙarfin Hasken (I_V)

An rarraba a I_F=20mA. Jurewa kowane bin shine ±15%.

• T:280.0 mcd (Ƙananan) - 450.0 mcd (Mafi girma)
• U:450.0 mcd (Ƙananan) - 710.0 mcd (Mafi girma)
• V:710.0 mcd (Ƙananan) - 1120.0 mcd (Mafi girma)

4.3 Matsayin Launi (Matsakaicin Tsawon Zango, λ_d)

An rarraba a I_F=20mA. Jurewa kowane bin shine ±1 nm.

• B:564.5 nm (Ƙananan) - 567.5 nm (Mafi girma)
• C:567.5 nm (Ƙananan) - 570.5 nm (Mafi girma)
• D:570.5 nm (Ƙananan) - 573.5 nm (Mafi girma)
• E:573.5 nm (Ƙananan) - 576.5 nm (Mafi girma)

5. Madaidaicin Lakatocin Aiki

Takardar bayanin ta ƙunshi siffofi na zane na mahimman halaye a ƙarƙashin yanayi na al'ada (25°C sai dai idan an lura). Waɗannan lakatoci suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin aiki daban-daban.

• Dangantakar Ƙarfin Hasken da Igiyar Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da igiyar turawa, yawanci a cikin alaƙar ƙasa da layi wanda ke nuna canje-canjen inganci.
• Ƙarfin Gaba da Igiyar Gaba:Yana kwatanta halayen I-V na diode, wanda ke da mahimmanci don ƙira da'irori masu iyakance igiya.
• Dangantakar Ƙarfin Hasken da Zafin Muhalli:Yana nuna raguwar zafin jiki na fitar da haske, wanda ke da mahimmanci ga aikace-aikacen zafi mai girma ko wutar lantarki mai ƙarfi.
• Rarraba Bakan:Yana nuna ƙarfin haske mai dangi a matsayin aikin tsawon zango, wanda ke tsakiya a kusa da matsakaicin tsawon zango, yana nuna ƙunƙuntaccen bandwidth na al'ada na LED na AlInGaP.

6. Jagorar Mai Amfani da Bayanan Haɗawa

6.1 Tsaftacewa

Masu tsaftacewa na sinadarai da ba a bayyana ba na iya lalata kunshin LED. Idan tsaftacewa ya zama dole bayan solder, nutsar da LED a cikin barasa na ethyl ko isopropyl alcohol a zafin daki na tsawon minti ɗaya kawai.

6.2 Tsarin PCB Pad da Ake Ba da Shawara

An ba da tsarin ƙasa (sawun ƙafa) da aka ba da shawara don allon da'ira don tabbatar da samuwar haɗin solder daidai, kwanciyar hankali na inji, da watsawar zafi yayin reflow. Bin wannan tsarin yana haɓaka haɗawa mai aminci.

6.3 Kunshin Tepe da Reel

Ana ba da LED a cikin tepe mai ɗaukar kaya (faɗin 8mm) da aka nannade akan reels mai diamita 7-inch (178mm). Wannan kunshin ya bi ka'idojin EIA-481 don sarrafawa ta atomatik.

• Ƙarfin Reel: guda 2000 kowane reel.
• Ƙananan adadin oda na ragowar: guda 500.
• An rufe tepe da tepe mai rufi don kare abubuwan.
• Ana ba da izinin fanko biyu a jere a jere.

7. Gargaɗi da Umarnin Sarrafawa

7.1 Iyakokin Aikace-aikace

An ƙera waɗannan LED don daidaitattun kayan aikin lantarki na kasuwanci da na masana'antu. Ba a nufin su don aikace-aikacen aminci masu mahimmanci inda gazawar za ta iya haifar da haɗari kai tsaye ga rayuwa ko lafiya (misali, jirgin sama, tallafin rayuwa na likita, sarrafa sufuri) ba tare da tuntuɓar farko da takamaiman cancanta ba.

7.2 Yanayin Ajiya

• Jakar Shinge na Danshi (MBB):Ajiye a ≤ 30°C da ≤ 90% Danshi na Dangi (RH). Rayuwar shiryayye a cikin jakar da aka rufe tare da abin bushewa shekara guda.
• Bayan Buɗe Jakar:Yanayin ajiya bai kamata ya wuce 30°C / 60% RH ba. Abubuwan da aka cire daga MBB yakamata a yi musu solder na infrared reflow a cikin mako guda (Matakin Hankalin Danshi 3, MSL 3). Don ajiya mai tsawo a waje da jakar asali, ajiye a cikin akwati da aka rufe tare da abin bushewa ko a cikin desiccator na nitrogen. Abubuwan da aka ajiye fiye da mako guda a waje da MBB suna buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin solder don hana "guguru" rabuwa yayin reflow.

7.3 Shawarwarin Solder

Wannan na'urar ta dace da hanyoyin solder na infrared reflow. Ana ba da shawarar tsarin aikin mara gubar (Pb-free).

• Solder Reflow:
  • Zafin Jiki Kafin: 150°C – 200°C
  • Lokacin Dumama Kafin: Matsakaicin dakika 120
  • Matsakaicin Zafin Jiki: Matsakaicin 260°C
  • Lokacin sama da 260°C: Matsakaicin dakika 10
  • Matsakaicin adadin zagayowar reflow: Biyu
• Solder da Hannu (Ƙarfe):
  • Zafin Ƙarshen Ƙarfe: Matsakaicin 300°C
  • Lokacin Haɗuwa: Matsakaicin dakika 3 kowane haɗin gwiwa
  • Matsakaicin adadin zagayowar solder da hannu: Daya

Lura:Mafi kyawun bayanin reflow ya dogara da takamaiman ƙirar PCB, manna solder, da tanda. Yanayin da aka bayar jagorori ne bisa ka'idojin JEDEC. Ana ba da shawarar siffanta takamaiman layin haɗawa.

8. Tunani na Ƙira da Bayanan Aikace-aikace

8.1 Turawa ta Hanyar Igiya

Koyaushe ku turawa LED tare da tushen igiya akai-akai ko ta hanyar resistor mai iyakance igiya. Yin aiki a ko ƙasa da matsakaicin igiyar gaba mai ci gaba (25mA) yana da mahimmanci don tsawon rayuwa. Ƙarfin gaba yana bambanta da bin (1.8V zuwa 2.4V), don haka dole ne a ƙira da'irar iyakance igiya don matsakaicin V_Fa cikin zaɓaɓɓen bin don tabbatar da igiya daidai a ƙarƙashin duk yanayi.

8.2 Gudanar da Zafin Jiki

Ko da yake watsawar wutar tana da ƙasa (62.5mW), ingantaccen sarrafa zafin jiki akan PCB yana da mahimmanci, musamman a cikin yanayin zafi mai girma ko lokacin da aka sanya LED da yawa a kusa. Tsarin PCB pad yana aiki azaman mai sanyaya zafi. Tabbatar da isasshen yanki na jan ƙarfe da ke haɗe da pad ɗin zafin jiki yana taimakawa wajen kiyaye ƙananan zafin haɗuwa, kiyaye fitar da haske da rayuwar aiki.

8.3 Ƙirar Na Gani

Kusurwar kallo na digiri 25 tana ba da katako mai mai da hankali. Don aikace-aikacen da ke buƙatar haske mai faɗi, dole ne a yi la'akari da na'urori na gani na biyu (misali, masu watsawa, jagororin haske). Ruwan tabarau mai tsabta ya dace da aikace-aikacen inda launin guntu ba matsala ba ne lokacin da LED ya kashe.

9. Ka'idar Fasaha: Fasahar AlInGaP

Wannan LED yana amfani da kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) da aka girma akan substrate. Ta hanyar daidaita ma'auni na waɗannan abubuwa a cikin yanki mai aiki, ana kunna ƙarfin bandgap don fitar da haske a cikin bakan kore-rawaya-jajayen. Fasahar AlInGaP an san ta da babban ingancin quantum na ciki da kyakkyawan aiki a manyan yanayin zafi idan aka kwatanta da tsofaffin fasahohi kamar GaAsP, wanda ke haifar da haske mafi girma da ingantaccen kwanciyar hankali na launi.

10. Kwatance da Jagorar Zaɓi

Lokacin zaɓar LED SMD, mahimman abubuwan banbanta sun haɗa da:

• Fasahar Guntu:AlInGaP (kamar yadda aka yi amfani da shi a nan) vs. InGaN (na kowa don shuɗi/fari/kore). AlInGaP yawanci yana ba da inganci mafi girma a cikin kewayon amber-jajayen, yayin da takamaiman na'urorin AlInGaP na kore suna ba da maki launi daban-daban.
• Hasken (Ƙarfin Hasken):Tsarin rarrabuwa (T, U, V) yana ba da damar zaɓi bisa ga buƙatun haske, yana tasiri amfani da wutar lantarki da ganuwa.
• Daidaiton Launi (Rarrabuwar Tsawon Zango):Ƙunƙuntaccen rarrabuwar launi (B zuwa E) yana da mahimmanci ga aikace-aikacen inda daidaitawar launi tsakanin LED da yawa ke da mahimmanci.
• Kusurwar Kallo:Kusurwar digiri 25 tana da mai da hankali matsakaici. Ana samun kusurwoyi masu faɗi ko ƙunƙuntacce a cikin wasu fakitin don buƙatun watsawa daban-daban.
• Girman Kunshi da Aikin Zafin Jiki:Ƙaramin kunshin SMD yana adana sararin allon amma yana buƙatar kulawa ga ƙirar zafin jiki na PCB don matsakaicin aiki.

11. Tambayoyin da Ake Yawan Yi (FAQs)

11.1 Menene Bambanci Tsakanin Matsakaicin Tsawon Zango da Matsakaicin Tsawon Zango?

Matsakaicin tsawon zango (λ_P) shine tsawon zango guda ɗaya inda mafi girman ƙarfin gani ya fi girma. Matsakaicin tsawon zango (λ_d) shine tsawon zango guda ɗaya na hasken monochromatic wanda ya dace da launin da ake ganin LED idan aka kwatanta da hasken fari na tunani. λ_dya fi dacewa don ƙayyadaddun launi a cikin aikace-aikacen da ke da alaƙa da ɗan adam.

11.2 Zan iya turawa wannan LED tare da wadata 3.3V ba tare da resistor ba?

No.Ƙarfin gaba shine 1.8-2.4V kawai. Haɗa shi kai tsaye zuwa wadata 3.3V zai haifar da igiya mai yawa, mai yuwuwar wuce matsakaicin ƙimar madaidaici da lalata LED nan take. Resistor mai iyakance igiya na jeri wajibi ne lokacin amfani da tushen ƙarfin lantarki.

11.3 Ta yaya zan fassara lambar bin (misali, LTST-C950KGKT)?

Cikakken lambar ɓangaren ya haɗa da lambobin ciki. Don saye, mahimman sigogi masu zaɓi sune Ƙarfin Gaba (D2/D3/D4), Ƙarfin Hasken (T/U/V), da Matsakaicin Tsawon Zango (B/C/D/E) bins. Yakamata a ƙayyade waɗannan bisa ga buƙatun lantarki da na gani na ƙirar ku.

11.4 Me yasa ake buƙatar gasa idan an buɗe jakar fiye da mako guda?

Kunshin SMD na iya ɗaukar danshi daga sararin samaniya. Yayin babban yanayin zafi na solder reflow, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da matsin lamba na ciki wanda zai iya fashe kunshin ko raba sassan ciki ("tasirin guguru"). Gasa yana cire wannan danshin da aka ɗauka.