Takardar Bayanin Fasaha na LED SMD Yellow AlInGaP - 2.0x1.25x1.1mm - 2.4V - 62.5mW - Hausa

1. Bayyani Game da Samfur

Wannan takarda ta bayyana cikakkun ƙayyadaddun bayanai na fitilar LED mai haɗawa da allon (SMD) wacce ke amfani da ƙwayar AlInGaP mai haske sosai don samar da hasken rawaya. An sanya na'urar a cikin ƙaramin kayan aiki na masana'antu wanda aka tsara don tsarin haɗa allon da'ira (PCB) ta atomatik, gami da haɗa da reflow infrared. Girman sa na ƙanƙanta ya sa ya dace da aikace-aikacen da ke da ƙarancin sarari a fannoni daban-daban na lantarki.

1.1 Fa'idodi da Siffofi na Asali

LED yana ba da siffofi masu mahimmanci da yawa waɗanda ke haɓaka amfani da amincinsa a cikin masana'antar lantarki na zamani:

• Bin Ka'idojin RoHS:An kera na'urar don cika umarnin Hana Abubuwa Masu Haɗari, yana tabbatar da amincin muhalli.
• Ƙwayar AlInGaP Mai Haske Sosai:Wannan kayan semiconductor yana ba da fitar da hasken rawaya mai inganci tare da ƙarfin haske mai kyau.
• Kayan Aiki Mai Dacewa da Atomatik:Ana ba da shi akan tef mai girman 8mm wanda aka nannade akan reels mai diamita 7-inch, wanda ya dace da kayan aiki masu saurin ɗauka da sanyawa.
• Matsayin Ƙafa na Daidaitacce:Ya bin ƙa'idodin kunshin EIA (Ƙungiyar Masana'antu na Lantarki), yana tabbatar da haɗin kai na ƙira.
• Dacewa da Da'irar Haɗin kai:Ana iya tuƙa shi kai tsaye ta hanyar fitarwar matakin dabaru na daidaitacce.
• Ana Iya Haɗa shi da Reflow:Yana jure yanayin haɗa reflow infrared (IR) na daidaitacce da ake amfani da shi a cikin layukan haɗa fasahar haɗawa da allon (SMT).

1.2 Aikace-aikace da Kasuwannin Da Ake Nufi

An tsara wannan ɓangaren don ɗimbin ayyuka na nuni da hasken baya a cikin kayan aikin lantarki. Manyan wuraren aikace-aikace sun haɗa da:

• Kayan Aikin Sadarwa:Alamomin yanayi a cikin wayoyin mara igiya, wayoyin salula, da kayan aikin cibiyar sadarwa.
• Kwamfuta da Sarrafa Ofis:Hasken baya don maɓallan maɓalli da madannai a cikin kwamfutocin tebur, fitilolin yanayi akan na'urori masu kewaye.
• Kayan Amfani da Na'urorin Gida:Alamomin wutar lantarki, yanayi, ko aiki.
• Kayan Aikin Masana'antu:Alamomin panel don injina da tsarin sarrafawa.
• Nuni da Alamomi:Ƙananan nuni da fitilu na alama inda ake buƙatar ƙaramin tushen hasken rawaya.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani game da iyakoki da halayen aiki na na'urar. Duk ma'auni an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C sai dai idan an faɗi daban.

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa ga na'urar. Ba a ba da shawarar aiki a ko kusa da waɗannan iyakokin don ingantaccen aiki.

• Rushewar Wutar Lantarki (Pd):62.5 mW. Wannan shine matsakaicin adadin wutar lantarki da kunshin zai iya watsawa azaman zafi.
• Ci gaba da Ci gaba da Halin Yanzu (IF):25 mA DC. Matsakaicin halin yanzu na tsayayye don aiki mai aminci.
• Matsakaicin Halin Yanzu na Gaba:60 mA, ana iya yarda da shi kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms) don sarrafa ƙaruwar wucin gadi.
• Ƙarfin Wutar Lantarki na Baya (VR):5 V. Wuce wannan ƙarfin wutar lantarki a cikin karkatar da baya na iya haifar da rushewar haɗin gwiwa.
• Kewayon Zafin Aiki:-30°C zuwa +85°C. Kewayon zafin muhalli don aikin na'urar na yau da kullun.
• Kewayon Zafin Ajiya:-40°C zuwa +85°C. Kewayon zafin aminci ga na'urar lokacin da ba a kunna wutar lantarki ba.
• Zafin Haɗawa:Yana jure 260°C na dakika 10 yayin haɗa reflow (tsari mara gubar).

2.2 Halayen Lantarki da Na'ura mai gani

Waɗannan sune ma'auni na aiki na yau da kullun da aka auna a ƙarƙashin ƙayyadaddun yanayin gwaji (IF = 20mA, Ta = 25°C).

• Ƙarfin Hasken Hasken (Iv):Ya bambanta daga 28.0 zuwa 180.0 millicandelas (mcd). Ƙimar ainihin ta dogara da takamaiman lambar bin (duba Sashe na 3). An auna ta amfani da firikwensin da aka tace zuwa lanƙwasa amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar da aka auna akan-axis, yana nuna faɗin mazugi na dubawa.
• Matsakaicin Tsawon Tsawon Tsawon (λP):588 nm. Tsawon tsawon a mafi girman matsayi na bakan hasken da aka fitar.
• Matsakaicin Tsawon Tsawon (λd):Ya bambanta daga 584.5 nm zuwa 597.0 nm. Wannan shine tsawon tsawon guda ɗaya da idon ɗan adam ke gani don ayyana launi (rawaya), wanda aka samo daga zanen launi na CIE. An bin takamaiman ƙima.
• Rabin Faɗin Bakan (Δλ):15 nm. Faɗin bakan fitarwa a rabin matsakaicin ƙarfinsa, yana nuna tsaftar launi.
• Ƙarfin Wutar Lantarki na Gaba (VF):Tsakanin 1.8V zuwa 2.4V a 20mA. Faɗuwar wutar lantarki a kan LED lokacin da yake gudanar da halin yanzu.
• Halin Yanzu na Baya (IR):Matsakaicin 10 μA lokacin da aka yi amfani da karkatar da baya na 5V.

2.3 Abubuwan Da Suka Shafi Zafi

Duk da yake ba a bayyana shi a fili a cikin bayanan da aka bayar, sarrafa zafi yana cikin ƙididdiga. Iyakar watsawar wutar lantarki na 62.5mW da matsakaicin zafin aiki na 85°C suna da mahimmanci. Wuce iyakar ƙimar Pd zai ɗaga zafin haɗin gwiwa, wanda zai iya haifar da raguwar lumen cikin sauri, canjin ƙarfin wutar lantarki na gaba, kuma a ƙarshe, gazawar na'urar. Dole ne masu ƙira su tabbatar da isasshen shimfidar PCB kuma, idan ya cancanta, taimakon zafi don kiyaye zafin haɗin gwiwa a cikin iyakokin aminci yayin aiki.

3. Bayanin Tsarin Bin

Don tabbatar da daidaito a cikin samar da yawa, ana rarraba LED zuwa kwandon shara bisa mahimman ma'auni. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatu don launi, haske, da halayen lantarki.

3.1 Bin Ƙarfin Wutar Lantarki na Gaba (Vf)

Ana rarraba LED ta hanyar faɗuwar ƙarfin wutar lantarki na gaba a gwajin halin yanzu na 20mA. Wannan yana da mahimmanci don ƙira da'irori masu iyakance halin yanzu da kuma tabbatar da daidaiton haske a cikin tsararrun LED masu yawa waɗanda ke samun wutar lantarki ta tushen ƙarfin wutar lantarki.

• Lambar Bin F2:VF = 1.80V zuwa 2.10V (±0.1V jurewa kowace bin).
• Lambar Bin F3:VF = 2.10V zuwa 2.40V (±0.1V jurewa kowace bin).

3.2 Bin Ƙarfin Hasken Hasken (Iv)

Wannan bin yana rarraba LED bisa ƙarfin fitar da haskensu, wanda aka auna a millicandelas (mcd) a 20mA.

• Lambar Bin N:28.0 - 45.0 mcd
• Lambar Bin P:45.0 - 71.0 mcd
• Lambar Bin Q:71.0 - 112.0 mcd
• Lambar Bin R:112.0 - 180.0 mcd

Jurewar ±15% ya shafi kowane kwandon ƙarfi.

3.3 Bin Hue (Matsakaicin Tsawon Tsawon)

Wannan rarrabuwa yana tabbatar da daidaiton launi ta hanyar rarraba LED bisa matsakaicin tsawon tsawonsu, wanda ke ayyana inuwar rawaya da ake gani.

• Lambar Bin H:584.5 - 587.0 nm
• Lambar Bin J:587.0 - 589.5 nm
• Lambar Bin K:589.5 - 592.0 nm
• Lambar Bin L:592.0 - 594.5 nm
• Lambar Bin M:594.5 - 597.0 nm

Ana kiyaye jurewa mai ƙarfi na ±1nm ga kowane kwandon tsawon tsawon.

4. Bincike na Lanƙwasa Aiki

Duk da yake an yi nuni da takamaiman bayanan hoto a cikin takardar, lanƙwasan aiki na yau da kullun don irin wannan na'urar yana ba da mahimman bayanai game da halayenta a ƙarƙashin yanayi daban-daban.

4.1 Halin Halin Yanzu da Ƙarfin Wutar Lantarki (I-V)

Lanƙwasa I-V na LED AlInGaP ba shi da layi, kama da diode na daidaitacce. Ƙasa da ƙarfin wutar lantarki na gaba (VF), ƙananan halin yanzu yana gudana. Da zarar an kai VF, halin yanzu yana ƙaruwa cikin sauri tare da ƙaramin ƙaruwa a cikin wutar lantarki. Wannan yana jaddada mahimmancin tuƙi LED tare da tushen halin yanzu na tsayayye maimakon ƙarfin wutar lantarki na tsayayye don hana guduwar zafi da kuma tabbatar da fitar da haske mai ƙarfi. Matsakaicin kewayon VF na 1.8V zuwa 2.4V a 20mA shine mahimmin ma'auni na ƙira don da'irar direba.

4.2 Ƙarfin Hasken Hasken da Halin Yanzu na Gaba

Fitar da haske (ƙarfin haske) yana kusan daidai da halin yanzu na gaba a cikin babban kewayon. Duk da haka, inganci (lumens kowace watt) na iya kololuwa a wani halin yanzu sannan ya ragu a manyan halayen yanzu saboda ƙaruwar tasirin zafi da raguwa. Yin aiki a ko ƙasa da gwajin gwajin halin yanzu na 20mA yana tabbatar da ingantaccen inganci da tsawon rai.

4.3 Dogaro da Zazzabi

Aikin LED yana da hankali ga zafin jiki. Yayin da zafin haɗin gwiwa ya ƙaru:

• Ƙarfin Wutar Lantarki na Gaba (VF):Ya ragu. Wannan na iya shafar ƙa'idar halin yanzu a cikin sauƙaƙan da'irori masu iyakance resistor.
• Ƙarfin Hasken Hasken (Iv):Ya ragu. Fitar da haske yana raguwa yayin da zafin jiki ya tashi.
• Matsakaicin Tsawon Tsawon (λd):Yana iya canzawa kaɗan, yana iya haifar da canjin launi mai sauƙi.

Waɗannan tasirin suna nuna buƙatar ƙirar zafi mai kyau, musamman a cikin aikace-aikacen da ke da ƙarfin wutar lantarki ko babban zafin muhalli.

4.4 Rarraba Bakan

An siffanta bakan fitarwa da kololuwa a 588 nm (rawaya) tare da kunkuntar rabin faɗi na 15 nm. Wannan yana nuna ingantaccen jikewa. Matsakaicin tsawon tsawon (λd), wanda ke ayyana launin da ake gani, an bin shi a hankali don tabbatar da daidaiton gani tsakanin nau'ikan samarwa daban-daban.

5. Bayanin Injiniya da Kunshi

5.1 Girman Na'ura da Halin Polarity

Kunshin LED yana da ma'auni na ma'auni. Ana yiwa alama cathode ta hanyar launin kore a gefen da ya dace na na'urar ko tsaga a cikin kunshin. Dole ne a kiyaye polarity daidai yayin haɗawa don tabbatar da aikin da ya dace. Ruwan tabarau yana da tsabta, yana ba da damar hasken rawaya na asali daga ƙwayar AlInGaP ya fitar ba tare da tace launi ba.

5.2 Shimfidar Pad ɗin Haɗa PCB da Aka Ba da Shawara

An ba da tsarin ƙasa (matsayi) da aka ba da shawarar don PCB don tabbatar da haɗa amintacce. Wannan tsarin ya haɗa da girman pad da tazara masu dacewa don cimma fillet ɗin haɗa mai kyau, tabbatar da kwanciyar hankali na injiniya, da sauƙaƙe haɗa reflow daidai. Bin wannan shimfidar da aka ba da shawarar yana taimakawa hana kabari (ɓangaren tsayawa a ƙarshe ɗaya) da sauran lahani na haɗawa.

6. Jagororin Haɗawa da Haɗawa

6.1 Ma'auni na Haɗa Reflow Infrared

Na'urar ta dace da hanyoyin haɗa reflow infrared mara gubar (Pb-free). Shawarar bayani yana da mahimmanci don nasarar haɗawa ba tare da lalata LED ba.

• Yankin Dumama Kafin:150°C zuwa 200°C.
• Lokacin Dumama Kafin:Matsakaicin dakika 120 don ɗaga zafin jiki a hankali da kuma kunna juzu'i.
• Matsakaicin Zazzabi:Matsakaicin 260°C. Na'urar na iya jure wannan zafin jiki na ɗan lokaci kaɗan.
• Lokaci Sama da Liquidus (a kololuwa):Matsakaicin dakika 10. Kada a sanya na'urar ga matsakaicin zafin jiki fiye da wannan tsawon, kuma kada a yi reflow fiye da sau biyu.

Waɗannan ma'auni sun yi daidai da ƙa'idodin JEDEC. Dole ne a siffanta ainihin bayanin don takamaiman haɗin PCB, la'akari da kauri na allon, yawan ɓangarorin, da ƙayyadaddun manna haɗawa.

6.2 Haɗa Hannu (Idan Ya Cancanta)

Idan ana buƙatar gyaran hannu, ana buƙatar taka tsantsan sosai:

• Zafin Ƙarfe na Haɗawa:Matsakaicin 300°C.
• Lokacin Haɗawa:Matsakaicin dakika 3 kowane haɗin haɗawa.
• Mita:Ya kamata a yi haɗa hannu sau ɗaya kawai don rage damuwa na zafi.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan haɗawa, kawai ya kamata a yi amfani da takamaiman kaushi don guje wa lalata kunshin filastik. Abubuwan da aka ba da shawarar sun haɗa da barasa na ethyl ko isopropyl alcohol. Ya kamata a nutsar da LED a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Kada a yi amfani da ruwayen sinadarai da ba a ƙayyade ba.

6.4 Yanayin Ajiya da Sarrafawa

Hankali na Zubar da Wutar Lantarki (ESD):Ko da yake ba a ƙididdige shi a fili a matsayin mai hankali sosai, ana ba da shawarar taka tsantsan. Ana ba da shawarar sarrafawa tare da bel ɗin wuyan da aka kafa ko safofin hannu masu hana tashin hankali. Dole ne duk kayan aiki da wuraren aiki su kasance da tushe daidai don hana lalacewa daga wutar lantarki ko ƙaruwa.

Hankali na Danshi:Na'urar tana da ƙimar Matakin Hankali na Danshi (MSL). Don fakitin da aka buɗe kuma aka fallasa shi ga ɗanɗano na yanayi:

• Ya kamata a kammala reflow cikin mako guda (mai nuna alamar MSL 3).
• Don ajiya fiye da mako guda, ya kamata a ajiye na'urori a cikin akwati mai rufi tare da busasshen abu ko a cikin yanayin nitrogen.
• Idan an ajiye shi daga ainihin kunshin fiye da mako guda, ana buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin haɗawa don cire danshin da aka sha da kuma hana \"popcorning\" yayin reflow.
• Buhunan da ba a buɗe ba, masu hana danshi tare da busassun abu suna da tsawon rayuwa na shekara guda lokacin da aka ajiye su a ≤30°C da ≤90% danshi na dangi.

7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana ba da LED a cikin tsarin kunshi wanda aka inganta don haɗawa ta atomatik:

• Faɗin Tef:8 mm.
• Diamita na Reel:7 inches (178 mm).
• Adadin kowace Reel:Guda 3000.
• Mafi ƙarancin Adadin Oda:Guda 500 don sauran adadi.
• Rufe Aljihu:Ana rufe aljihun ɓangarorin da ba kowa ba tare da tef ɗin murfi.
• Rasa ɓangarorin:Ana ba da izinin mafi yawan LED guda biyu masu bi da bi bisa ƙayyadaddun bayanai.
• Daidaitacce:Kunshi ya bi ƙa'idodin ANSI/EIA-481.

8. Shawarwarin Ƙira na Aikace-aikace

8.1 Abubuwan Da Suka Shafi Ƙirar Da'ira

Iyakance Halin Yanzu:LED na'ura ce mai tuƙi halin yanzu. Resistor mai iyakance halin yanzu na jerin ko da'irar direba na halin yanzu na musamman wajibi ne lokacin haɗawa zuwa tushen wutar lantarki. Ana iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vsource - VF) / IF, inda VF shine ƙarfin wutar lantarki na gaba (yi amfani da matsakaicin ƙimar daga bin don aminci) kuma IF shine halin yanzu na gaba da ake so (misali, 20mA).

Haɗin Kai:Haɗa LED da yawa a layi kai tsaye zuwa tushen halin yanzu guda ɗaya gabaɗaya ba a ba da shawarar ba saboda bambance-bambance a cikin ƙarfin wutar lantarki na gaba (Vf bin). Ƙananan bambance-bambance a cikin Vf na iya sa LED ɗaya ya ja halin yanzu da yawa fiye da sauran, yana haifar da rashin daidaiton haske da yuwuwar damuwa. Haɗin kai ko sarrafa halin yanzu na kowane LED an fi son shi.

Kariya daga Ƙarfin Wutar Lantarki na Baya:Ko da yake LED na iya jure har zuwa 5V a baya, yana da kyau a guji fallasa shi ga karkatar da baya. A cikin AC ko da'irori masu bipolar, diode na kariya a layi daya (karkatar da baya dangane da LED) na iya zama dole.

8.2 Gudanar da Zafi a cikin Aikace-aikace

Don aikace-aikacen da ke aiki a manyan yanayin zafi na yanayi ko a halin yanzu kusa da matsakaicin ƙima, yi la'akari da waɗannan:

• Yi amfani da PCB tare da hanyoyin zafi a ƙarƙashin pad ɗin zafi na LED (idan ya dace) don kai zafi zuwa wasu yadudduka ko heatsink.
• Samar da isasshen yanki na tagulla akan PCB da aka haɗa zuwa pad ɗin haɗa LED don zama heatsink.
• Rage matsakaicin halin yanzu na aiki yayin da zafin yanayi ya ƙaru sama da 25°C don kiyaye zafin haɗin gwiwa a cikin iyakoki.

8.3 Haɗin Na'ura mai gani

Faɗin kusurwar dubawa na digiri 130 ya sa wannan LED ya dace da aikace-aikacen da ke buƙatar faɗin gani. Don mayar da hankali ko hasken da aka nufa, ana iya amfani da ruwan tabarau na waje ko jagororin haske. Ruwan tabarau mai tsabta yana tabbatar da ƙarancin sha na hasken rawaya da aka fitar.

9. Amintacce da Yankin Aikace-aikace Disclaimer

An yi amfani da na'urar don amfani da ita a cikin daidaitattun kayan aikin lantarki na kasuwanci da masana'antu, gami da ofis, sadarwa, da na'urorin gida. Don aikace-aikacen da ke buƙatar amintacce na musamman inda gazawar zai iya haifar da haɗari, lafiya, ko rayuwa—kamar a cikin jiragen sama, sufuri, likita, ko tsarin aminci mai mahimmanci—tuntuɓar takamaiman da cancanta tare da mai kera ɓangaren suna da mahimmanci kafin ƙira. Ƙayyadaddun ƙayyadaddun samfur na yau da kullun bazai isa ba don irin waɗannan aikace-aikacen masu aminci.