Takardar Bayanin Fasaha na SMD LED 19-21/T1D-CPQTY/3T - 1.9x2.1mm - 3.0V Matsakaici - 40mW - Farin Tsantsa - Takardar Fasaha ta Hausa

1. Bayanin Samfur

SMD LED 19-21 ƙaramin na'ura ne mai haɗawa da allon, wanda aka ƙera don aikace-aikacen lantarki na zamani waɗanda ke buƙatar aiki mai aminci na nuni ko hasken baya. Babban fa'idarsa ta ta'allaka ne a cikin ƙaramin girman da ya rage sosai idan aka kwatanta da LED na gargajiya, yana ba da damar ƙara yawan ƙirƙira a kan allon PCB, rage sararin ajiya, kuma a ƙarshe yana ba da gudummawa ga ƙananan kayan aiki. Ginin mai sauƙi ya sa ya zama mafi dacewa don aikace-aikacen ɗaukar kaya da waɗanda ke da ƙarancin sarari.

Wannan LED nau'in launi ɗaya ne, yana fitar da haske mai farin tsantsa, kuma an gina shi da resin mai watsawa mai launin rawaya. Ya cika ƙa'idodin muhalli da masana'antu na zamani, ba shi da gubar, ya bi ka'idodin RoHS, ya bi ka'idodin EU REACH, kuma ba shi da halogen (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm). Ana samar da samfurin a cikin tef na 8mm akan reels masu diamita inci 7, wanda ya sa ya dace da kayan aikin haɗawa ta atomatik da tsarin gudanar da gudanar da infrared ko tururi.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Iyakar Ƙididdiga

Waɗannan ƙididdiga suna ayyana iyakokin matsin lamba waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da shawarar aiki a ko fiye da waɗannan iyakokin ba.

• Ƙarfin Lantarki na Baya (VR):5V. Wuce wannan ƙarfin lantarki a cikin baya zai iya haifar da rushewar haɗin gwiwa.
• Ƙarfin Lantarki na Gaba (IF):10mA. Matsakaicin ci gaba na DC wanda aka ba da shawarar don aiki mai aminci.
• Matsakaicin Ƙarfin Lantarki na Gaba (IFP):40mA a cikin zagayowar aiki na 1/10 da 1kHz. Wannan ƙididdiga yana ba da damar ɗan gajeren bugun jini na mafi girman ƙarfin lantarki, mai amfani a cikin tsarin haɗaɗɗiyar hanyoyi, amma dole ne a sarrafa matsakaicin ɓarnawar wutar lantarki.
• Ƙarfin Wutar Lantarki (Pd):40mW. Matsakaicin ƙarfin da fakitin zai iya ɓarnawa a Ta=25°C, wanda aka lissafta kamar VF * IF.
• Zubar da Wutar Lantarki (ESD) HBM:150V. Wannan ƙididdigar Tsarin Jikin Mutum tana nuna matsakaicin matakin hankali na ESD; daidaitattun hanyoyin sarrafawa suna da mahimmanci.
• Yanayin Aiki & Ajiya:-40°C zuwa +85°C (aiki) da -40°C zuwa +90°C (ajiye). Wannan faɗin kewayon yana tabbatar da aiki a cikin mawuyacin yanayi.
• Zazzabi na Solder:Bayanan reflow sun kai kololuwa a 260°C na matsakaicin dakika 10; solder na hannu a 350°C na matsakaicin dakika 3 kowace tasha.

2.2 Halayen Lantarki da Na Gani

Ana auna waɗannan ma'auni a daidaitaccen yanayin gwaji na Ta=25°C da IF=5mA, suna ba da ainihin aikin.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙarancin 45.0 mcd zuwa matsakaicin 112.0 mcd, tare da ba da ƙimar al'ada. Ana amfani da juzu'i na ±11%.
• Kusurwar Dubawa (2θ1/2):Matsakaicin faɗin kusurwar dubawa na digiri 110, sifa ta fakitin LED mai watsawa.
• Ƙarfin Lantarki na Gaba (VF):Ya bambanta daga 2.60V zuwa 3.00V a IF=5mA, tare da juzu'i na ±0.05V. Wannan ma'auni yana da mahimmanci don lissafin resistor mai iyakancewa.
• Ƙarfin Lantarki na Baya (IR):Matsakaicin 50 µA a VR=5V. Ba a ƙera na'urar don aiki a cikin baya ba; wannan gwajin don siffanta zubewa ne kawai.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara.

3.1 Rarrabuwar Ƙarfin Hasken

An ayyana kwandon shara guda biyu dangane da mafi ƙarancin ƙarfin haske a IF=5mA:

• Lambar Kwandon P:45 mcd (Mafi ƙanƙanta) zuwa 72 mcd (Matsakaici).
• Lambar Kwandon Q:72 mcd (Mafi ƙanƙanta) zuwa 112 mcd (Matsakaici).

3.2 Rarrabuwar Ƙarfin Lantarki na Gaba

An ayyana kwandon shara huɗu don ƙarfin lantarki na gaba a IF=5mA:

• Lambar Kwandon 28:2.6V zuwa 2.7V
• Lambar Kwandon 29:2.7V zuwa 2.8V
• Lambar Kwandon 30:2.8V zuwa 2.9V
• Lambar Kwandon 31:2.9V zuwa 3.0V

3.3 Rarrabuwar Ma'auni na Launi

Ana sarrafa ma'anar farin launi a cikin takamaiman yankuna akan zanen chromaticity na CIE 1931, wanda aka ayyana ta kwandon shara huɗu (Lambobi 1-4) tare da juzu'i na ±0.01. Ma'aunin da aka bayar yana ayyana kusurwoyin kowane kwandon, yana tabbatar da cewa hasken farin da aka fitar ya faɗi cikin sararin launi da ake iya hasashen.

4. Bincike na Lanƙwasa Aiki

Lanƙwasa halaye na al'ada suna ba da haske game da halayen na'urar a ƙarƙashin yanayi daban-daban.

• Dangantakar Ƙarfin Hasken da Ƙarfin Lantarki na Gaba:Yana nuna alaƙar da ba ta da layi tsakanin ƙarfin tuƙi da fitar da haske. Ƙarfin yana ƙaruwa tare da ƙarfin lantarki amma yana iya cika a matakan mafi girma.
• Dangantakar Ƙarfin Hasken da Yanayin Yanayi:Yana nuna mummunan ƙididdiga na zafin jiki na fitar da haske. Ƙarfin haske yakan ragu yayin da zafin haɗin gwiwa ya tashi.
• Ƙarfin Lantarki na Gaba da Ƙarfin Lantarki na Gaba (Lanƙwasa IV):Yana kwatanta alaƙar ma'auni, mai mahimmanci don fahimtar juriya mai ƙarfi da buƙatar ƙa'idar ƙarfin lantarki.
• Lanƙwasa Rage Ƙarfin Lantarki na Gaba:Yana ƙayyadad da matsakaicin ƙarfin lantarki na gaba da aka yarda a matsayin aikin zafin yanayi don tabbatar da cewa ba a wuce ƙididdigar ɓarnawar wutar lantarki (Pd) ba.
• Rarraba Bakan:Yana nuna rarraba ƙarfin bakan na farin haske, yawanci yana nuna kololuwar LED shuɗi tare da haɗakar fitar da phosphor mai launin rawaya.
• Zanen Radiation:Zanen polar da ke kwatanta rarraba sararin samaniya na ƙarfin haske, yana tabbatar da kusurwar dubawa na digiri 110.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

LED yana da ƙaramin fakitin SMD tare da girman suna. Ana gano cathode ta takamaiman alama akan jikin fakitin. Duk juzu'in da ba a bayyana ba ±0.1mm ne. An ayyana ainihin tsayi, faɗi, da tsayi a cikin zanen mai girma.

5.2 Gano Polarity

An ba da alamar cathode bayyananne akan fakitin don tabbatar da daidaitaccen yanayin yayin haɗin PCB. Ba daidai ba polarity zai hana LED haskakawa kuma yana iya sanya shi cikin matsin ƙarfin lantarki na baya.

6. Jagororin Solder da Haɗawa

6.1 Yanayin Solder

An ba da shawarar bayanan reflow solder mara gubar: dumama kafin tsakanin 150-200°C na 60-120s, lokacin sama da 217°C (liquidus) na 60-150s, tare da matsakaicin zafin jiki bai wuce 260°C ba na matsakaicin dakika 10. Matsakaicin ƙimar haɓaka shine 6°C/sec kuma ƙimar sanyaya shine 3°C/sec. Kada a yi reflow solder fiye da sau biyu. Guji matsin lamba na injiniya akan LED yayin dumama kuma kada ku karkatar da PCB bayan solder.

6.2 Ajiya da Kula da Kula

LEDs suna da hankali ga danshi (MSL). Manyan matakan kariya sun haɗa da:

• Ajiya:Kada ku buɗe jakar kariya daga danshi har sai an shirya don amfani. Ajiye jakunkunan da ba a buɗe ba a wuri mai sanyi, bushewa.
• Rayuwar Bene:Bayan buɗewa, yi amfani da shi cikin sa'o'i 168 (kwanaki 7) idan an adana shi a ≤30°C da ≤60% RH. In ba haka ba, sake gasa a 60±5°C na awanni 24 kuma sake yin fakitin.
• Kariya daga ESD:Na'urar tana da ƙididdigar ESD HBM na 150V, yana buƙatar amfani da tashoshin aiki masu aminci da hanyoyin sarrafawa na ESD.
• Iyaka na Yanzu:Resistor na waje mai iyakancewa dole ne. Halayen IV na LED na ma'ana yana nufin ƙaramin canjin ƙarfin lantarki yana haifar da babban canjin ƙarfin lantarki, wanda zai iya haifar da ƙonewa nan da nan ba tare da daidaitaccen ƙa'idar ƙarfin lantarki ba.

7. Bayanin Fakitin da Oda

7.1 Ƙayyadaddun Fakitin

Ana samar da samfurin a cikin fakitin da ke hana danshi wanda ya ƙunshi:

• Tef ɗin Carrier:Faɗin 8mm, an ɗora shi cikin...
• Reel:Diamita inci 7. Matsakaicin adadin da aka ɗora shine guda 3000 kowace reel.
• Jakar Kariya daga Danshi:Jakar aluminum mai ɗauke da reel, tare da desiccant da katin nuna danshi.

An ba da cikakkun ma'auni don reel da tef ɗin mai ɗaukar kaya tare da daidaitaccen juzu'i na ±0.1mm sai dai idan an lura da haka.

7.2 Bayanin Alamar

Alamar fakitin ta haɗa da lambobin don bin diddigin bayanai da ƙayyadaddun bayanai:

• CPN (Lambar Samfur na Abokin Ciniki)
• P/N (Lambar Samfur)
• QTY (Adadin Fakitin)
• CAT (Matsayin Ƙarfin Hasken, misali, P ko Q)
• HUE (Ma'auni na Chromaticity & Matsayin Tsawon Tsawon, misali, 1-4)
• REF (Matsayin Ƙarfin Lantarki na Gaba, misali, 28-31)
• LOT No (Lambar Lot don bin diddigin bayanai)

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

• Hasken Baya:Mafi dacewa don alamun dashboard, hasken canji, da hasken baya mai lebur don LCDs da alamomi.
• Kayan Aikin Sadarwa:Alamomin matsayi da hasken baya na maɓalli a cikin wayoyi da na'urorin faks.
• Nuni na Gabaɗaya:Duk wani aikace-aikacen da ke buƙatar ƙaramin tushen haske mai farin ciki, mai aminci.

8.2 Abubuwan Tunani na Ƙira

• Ƙarfin Lantarki na Yanzu:Koyaushe yi amfani da resistor na jerin ko direba mai ƙarfi na yau da kullun. Lissafa ƙimar resistor ta amfani da R = (Vsupply - VF) / IF, inda yakamata a zaɓi VF daga ƙimar kwandon mafi girma (misali, 3.0V) don ƙira mai aminci.
• Gudanar da Thermal:Duk da cewa ƙarfin yana da ƙasa, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi idan ana aiki a yanayin zafi mai girma ko kusa da matsakaicin ƙarfin lantarki, kamar yadda lanƙwasa ragewa ya nuna.
• Ƙirar Gani:Kusurwar dubawa na digiri 110 da resin mai watsawa suna ba da tsarin fitarwa mai faɗi, mai laushi wanda ya dace da dubawa kai tsaye ko jagororin haske.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambancin LED 19-21 yana ta'allaka ne akan daidaiton girman sa, aiki, da aminci. Idan aka kwatanta da manyan LED SMD (misali, 3528), yana ba da ceton sarari mai mahimmanci. Idan aka kwatanta da ƙananan fakitin ma'auni, yana da sauƙin sarrafawa da solder ta amfani da daidaitattun hanyoyin SMT. Takamaiman tsarin rarrabuwa don ƙarfi, ƙarfin lantarki, da chromaticity yana ba da damar ƙirar tsarin mai ƙarfi da mafi kyawun daidaito a cikin samarwa mai yawa idan aka kwatanta da madadin da ba a rarraba ba ko sako-sako da rarraba.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

10.1 Me yasa resistor mai iyakancewa ya zama dole?

Ƙarfin lantarki na gaba na LED yana da mummunan ƙididdiga na zafin jiki da bambancin samarwa (kwandon 28-31). Wadata mai ƙayyadaddun ƙarfin lantarki da aka haɗa kai tsaye zai haifar da kwararar ƙarfin lantarki mara sarrafawa, da sauri ya wuce matsakaicin ƙididdiga na 10mA kuma ya lalata na'urar. Resistor na jerin yana ba da hanyar sauƙi, mai layi na ƙa'idar ƙarfin lantarki.

10.2 Zan iya tuƙi wannan LED tare da wadata 5V?

Ee, amma resistor na jerin yana da mahimmanci. Misali, mai niyyar IF=5mA tare da mafi munin VF na 3.0V: R = (5V - 3.0V) / 0.005A = 400 Ohms. Dangane da resistor na 390 ko 430 Ohm zai dace. Koyaushe tabbatar da ainihin ƙarfin lantarki a ƙarƙashin yanayin aiki.

10.3 Menene ma'anar rayuwar bene na sa'o'i 168?

Wannan shine matsakaicin lokacin da LED zai iya fallasa wa yanayin masana'antu (≤30°C/60% RH) bayan an buɗe jakar kariya daga danshi kafin shan danshi zai iya haifar da lalacewa (\"popcorning\") yayin reflow solder. Idan an wuce wannan lokacin, ana buƙatar gasa na awanni 24 a 60°C don cire danshi.

11. Ƙirar Aiki da Amfani da Harka

Harka: Ƙirar allon nuna matsayi tare da daidaiton haske.Don tabbatar da daidaiton gani a cikin LED da yawa akan allon, ƙayyade ƙaƙƙarfan buƙatun rarrabuwa lokacin yin oda. Misali, nemi duk LED daga Kwandon Q (mafi girman ƙarfi) da Kwandon 29 (VF 2.7-2.8V). Yin amfani da direba mai ƙarfi na yau da kullun da aka saita zuwa 5mA maimakon wadata + resistors zai ƙara rage bambance-bambancen haske da ke haifar da ƙananan bambance-bambance a cikin ƙarfin lantarki na gaba a cikin rukunin, yana haifar da kamanni cikakke.

12. Gabatarwar Ka'idar Aiki

Wannan LED ne mai farin ciki wanda aka canza phosphor. Tushen shine guntun semiconductor, yawanci an yi shi da Indium Gallium Nitride (InGaN), wanda ke fitar da hasken shuɗi lokacin da aka yi masa bambanci (electrons da ramuka suna sake haɗuwa a cikin haɗin PN). Wannan hasken shuɗi yana motsa murfin phosphor mai launin rawaya (Yttrium Aluminum Garnet, YAG:Ce) a cikin fakitin. Haɗin sauran hasken shuɗi da fitar da bakan mai faɗi na rawaya daga phosphor yana haifar da fahimtar farin haske ta idon ɗan adam. Resin mai watsawa mai launin rawaya yana taimakawa wajen watsa hasken, yana haifar da faɗin kusurwar dubawa.

13. Trends na Fasaha

Trend a cikin SMD nuna LED yana ci gaba zuwa mafi inganci (lumens da yawa kowace watt), ingantaccen ma'anar launi (CRI) don farin LED, har ma da ƙananan girman fakitin yayin kiyayewa ko inganta aikin thermal. Hakanan akwai mayar da hankali kan haɓaka aminci da tsawon rai a ƙarƙashin mafi girman ƙarfin tuƙi da yanayin aiki. Daidaitawar rarrabuwa da samar da cikakkun bayanan fasaha, kamar yadda aka gani a cikin wannan takardar bayanin, suna nuna motsin masana'antu zuwa ga ƙarin abubuwan da ake iya hasasawa da ƙira don masana'antu mai atomatik, mai yawa.