Bayanin Fasaha na LED LTST-C930KAKT SMD - AlInGaP Ja-Orange - 30mA - 75mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakken bayanin fasaha na LED mai haske mai girma, wanda aka tsara don tsarin hadawa ta atomatik. Na'urar tana amfani da ci-gaban fasahar semiconductor AlInGaP don samar da fitarwar ja-orange. An tsara shi don aminci da aiki mai kyau a cikin yawancin aikace-aikacen lantarki na zamani inda sarari, inganci, da kuma fitarwar haske mai daidaito suke da muhimmanci.

1.1 Siffofi

• Yana bin umarnin muhalli na RoHS.
• Ya hada da ruwan tabarau na dome don ingantaccen rarraba haske.
• Yana amfani da guntu mai haske sosai na AlInGaP don ingantaccen haske.
• Ana samar da shi a cikin tef ɗin 8mm na masana'antu akan reels na inci 7 don zaɓi da sanyawa ta atomatik.
• Kunshin ya yi daidai da ka'idojin EIA.
• An tsara shi don dacewa da da'irori (IC compatible).
• Ya dace da amfani da kayan aikin sanyawa ta atomatik.
• Yana jurewa tsarin hada ta hanyar infrared (IR) reflow.

1.2 Aikace-aikace

Wannan LED ya dace da aikace-aikace daban-daban ciki har da:

• Kayan aikin sadarwa, tsarin sarrafa ofis, kayan amfanin gida, da kuma kwamfutocin sarrafa masana'antu.
• Hasken baya na maɓallan rubutu da madannai.
• Alamun halin da ake ciki da na wutar lantarki.
• Nunin ƙananan allon da alamun allon.
• Hasken sigina da na alama.

2. Girman Kunshi da Tsari

Na'urar tana da daidaitaccen kunshin sanyawa a saman. Muhimman girma sun hada da tsayi, faɗi, da tsayi, tare da yawan jurewar ±0.1mm sai dai idan an bayyana akasin haka. Ruwan tabarau yana da tsabta, kuma launin tushen haske shine AlInGaP Ja-Orange. Cikakkun zane-zanen injiniya da ke bayyana duk mahimman girma sune muhimmin sashi na tsarin tsara PCB.

3. Ma'auni da Halaye na Fasaha

Duk ma'auni da halaye an bayyana su a yanayin zafin yanayi (Ta) na 25°C sai dai idan an bayyana akasin haka.

3.1 Matsakaicin Ma'auni na Cikakke

Matsaloli fiye da waɗannan iyakoki na iya haifar da lalacewa ta dindindin ga na'urar.

• Watsawar Wutar Lantarki: 75 mW
• Matsakaicin Igya ta Gaba (1/10 Duty Cycle, bugun jini na 0.1ms): 80 mA
• Ci gaba da Igya ta DC: 30 mA
• Karfinsa Baya: 5 V
• Kewayon Zafin Aiki: -30°C zuwa +85°C
• Kewayon Zafin Ajiya: -40°C zuwa +85°C
• Yanayin Hadawa ta Infrared: 260°C na dakika 10 matsakaici.

3.2 Shawarar Tsarin IR Reflow

Don tsarin hadawa maras gubar (Pb-free), ana ba da shawarar tsarin reflow tare da matsakaicin zafin jiki na 260°C na matsakaicin dakika 10. Tsarin ya kamata ya hada da matakan dumama da sanyaya masu dacewa don rage matsin zafi akan kayan da kuma allon da'ira da aka buga.

3.3 Halayen Lantarki da Na Gani

Matsakaicin ma'auni na aiki da aka auna a karkashin daidaitattun yanayin gwaji (IF=20mA).

• Ƙarfin Hasken (Iv): 300 mcd (Mafi ƙanƙanta), 1050 mcd (Matsakaici)
• Kusurwar Dubawa (2θ1/2): digiri 25
• Matsakaicin Tsawon Zango na Fitowa (λP): 621 nm (Matsakaici)
• Matsakaicin Tsawon Zango (λd): 615 nm (Matsakaici)
• Rabin Faɗin Layin Bakan (Δλ): 18 nm (Matsakaici)
• Karfinsa Gaba (VF): 2.0 V (Matsakaici), 2.4 V (Matsakaici)
• Igya ta Baya (IR): 10 μA (Matsakaici) a VR=5V

Bayanan Aunawa:Ana auna ƙarfin haske ta amfani da haɗin firikwensin da ke kusantar da lanƙwasa amsawar ido na CIE photopic. An bayyana kusurwar dubawa a matsayin kusurwar da ba ta kan axis ba inda ƙarfin ya ragu zuwa rabin ƙimar axis. Matsakaicin tsawon zango an samo shi daga madaidaitan launi na CIE.

3.4 Takaici na Watsawar Electrostatic (ESD)

Wannan na'urar tana da hankali ga watsawar electrostatic. Dole ne a bi tsarin sarrafa ESD da ya dace, ciki har da amfani da igiyoyin wuyan da aka kafa, safofin hannu masu hana tashin hankali, da kuma tabbatar da cewa duk kayan aiki da wuraren aiki suna da tushe daidai don hana lalacewa.

4. Tsarin Rarraba Bin

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba na'urori zuwa kwandon bin bisa ga ƙarfin haske.

4.1 Lambobin Bin na Ƙarfin Hasken

Ga launin Ja-Orange, an auna shi a 20mA. Jurewa a cikin kowane bin shine +/-15%.

• R: 112.0 - 180.0 mcd
• S: 180.0 - 280.0 mcd
• T: 280.0 - 450.0 mcd
• U: 450.0 - 710.0 mcd
• V: 710.0 - 1120.0 mcd
• W: 1120.0 - 1800.0 mcd
• X: 1800.0 - 2800.0 mcd
• Y: 2800.0 - 4500.0 mcd

Wannan rarrabuwar yana ba masu zane damar zaɓar matakin haske da ya dace don takamaiman aikace-aikacensu, daidaita farashi da bukatun aiki.

5. Matsakaicin Lanƙwasan Aiki

Bayanan hoto suna ba da zurfin fahimta game da halayen na'urar a ƙarƙashin yanayi daban-daban. Matsakaicin lanƙwasai yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken da Igya ta Gaba:Yana nuna yadda fitarwar haske ke ƙaruwa tare da igiyar tuƙi, yana nuna alaƙar da ba ta layi ba da kuma mahimmancin daidaita igiya.
• Dangantakar Ƙarfin Hasken da Zafin Yanayi:Yana nuna raguwar haske na zafi, wanda yake da mahimmanci ga zane-zanen da ke aiki a cikin yanayin zafi mai girma.
• Karfinsa Gaba da Igya ta Gaba:Yana kwatanta halayen IV na diode, wanda ke da mahimmanci don tsara da'irar iyakance igiya.
• Rarraba Bakan:Wani tsari na ƙarfin haske mai dangi da tsawon zango, yana nuna ƙaramin rukunin fitarwa na halayen LED na AlInGaP da ke kewaye da 621nm.

Bincika waɗannan lanƙwasan yana taimaka wa injiniyoyi suyi hasashen aikin ainihin duniya, sarrafa tasirin zafi, da kuma inganta da'irar tuƙi don inganci da tsawon rai.

6. Jagorar Mai Amfani da Umarnin Sarrafawa

6.1 Tsaftacewa

Masu tsaftacewa na sinadarai da ba a bayyana ba na iya lalata kunshin LED. Idan tsaftacewa ya zama dole bayan hadawa, nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya. Ya kamata a guji masu narkewa masu ƙarfi ko tsaftacewa ta ultrasonic sai dai idan an cancanta musamman.

6.2 Shawarar Tsarin Pad na PCB

An ba da shawarar tsarin ƙasa (sawu) don PCB don tabbatar da samuwar haɗin gwiwa mai kyau, kwanciyar hankali na injiniya, da watsawar zafi. Yin bin wannan zanen yana rage tsattsauran ra'ayi kuma yana tabbatar da haɗin lantarki mai aminci bayan reflow.

6.3 Bayanan Kunshin Tef da Reel

Ana samar da abubuwan a cikin tef ɗin mai ɗaukar kaya tare da tef ɗin kariya. Muhimman bayanan kunshi sun haɗa da:

• Diamita na Reel: inci 7.
• Tazarar Aljihu: An bayyana don tef ɗin 8mm.
• Adadin kowane Reel: guda 1500 (daidaitaccen cikakken reel).
• Mafi ƙarancin Adadin Kunshi: guda 500 don sauran reels.
• Abubuwan da suka ɓace: Matsakaicin aljihu biyu masu komai da juna da aka yarda.
• Ma'auni: Kunshi ya yi daidai da ƙayyadaddun ANSI/EIA-481.

Wannan kunshin yana dacewa da daidaitaccen kayan aikin hadawa na saman-mount (SMT) ta atomatik.

7. Muhimman Takaici da Bayanan Aikace-aikace

7.1 Aikace-aikacen da aka yi niyya

An tsara wannan LED don amfani a cikin daidaitattun kayan lantarki na kasuwanci da na mabukaci. Ba a yi niyya don aikace-aikacen da ke da mahimmanci na aminci inda gazawar za ta iya jefa rayuwa ko lafiya cikin haɗari (misali, jirgin sama, tallafin rayuwa na likita, tsarin amincin sufuri). Ana buƙatar tuntuba don irin waɗannan amfani masu inganci.

7.2 Yanayin Ajiya

Kunshin da aka rufe:Ajiye a ≤30°C da ≤90% Danshin Dangi (RH). Tsawon rai a cikin jakar hana danshi tare da bushewa shine shekara guda.
Kunshin da aka buɗe:Don abubuwan da aka cire daga jakar shinge na danshi, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba. Ya kamata a yi wa abubuwan reflow na IR a cikin mako guda (Matakin Hankalin Danshi 3, MSL 3). Don ajiya fiye da mako guda, yi amfani da akwati da aka rufe tare da bushewa ko nitrogen desiccator. Abubuwan da aka ajiye a waje da jaka fiye da mako guda suna buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin hadawa don hana \"popcorning\" yayin reflow.

7.4 Jagororin Hadawa

Cikakkun ma'auni na hadawa suna da mahimmanci ga aminci.

• Hadawa ta Reflow (Ana ba da shawara):
  • Zafin Dumama: 150-200°C
  • Lokacin Dumama: Har zuwa dakika 120.
  • Matsakaicin Zafin Jiki: 260°C matsakaici.
  • Lokacin Sama da Liquidus: Dakika 10 matsakaici.
  • Adadin Wucewa: Matsakaicin zagaye biyu na reflow.
• Hadawa ta Hannu (Iron):
  • Zafin Ƙarshen Iron: 300°C matsakaici.
  • Lokacin Tuntuɓar: Dakika 3 matsakaici kowane pad.
  • Adadin Gyare-gyare: Sau ɗaya kawai.

Matsakaicin tsarin reflow ya dogara da takamaiman zanen PCB, manna, da tanda. Ma'auni da aka bayar sun dogara ne akan ka'idojin JEDEC kuma suna aiki a matsayin madaidaicin farawa. Ana ba da shawarar siffanta don takamaiman layin hadawa.

7.5 Hanyar Tuƙi

LEDs na'urori ne masu tuƙi na igiya. Don tabbatar da daidaiton haske lokacin haɗa LED da yawa a layi daya, dole ne a sanya resistor mai iyakance igiya a jere tare da kowane LED na mutum. Tuƙi LED kai tsaye daga tushen wutar lantarki ba tare da daidaita igiya ba yana haifar da rashin daidaiton haske da yuwuwar lalacewa ta igiya saboda bambancin halitta a cikin karfin gaba (VF) daga na'ura zuwa na'ura. Ana lissafin ƙimar resistor na jere ta amfani da Dokar Ohm: R = (Vsource - VF_LED) / Idesired.

8. Shawarwari na Aikace-aikace da La'akari da Zane

8.1 Gudanar da Zafi

Duk da yake watsawar wutar lantarki yana da ƙasa a 75mW, ingantaccen sarrafa zafi akan PCB yana da mahimmanci don kiyaye aminci na dogon lokaci da kwanciyar hankali na fitarwar haske, musamman a manyan yanayin zafi ko lokacin da ake tuƙi a matsakaicin igiya. Tabbatar da isasshen yanki na tagulla a kusa da pad ɗin LED yana taimakawa wajen watsar da zafi.

8.2 Zanen Gani

Kusurwar dubawa na digiri 25 yana ba da katako mai mai da hankali. Don aikace-aikacen da ke buƙatar haske mai faɗi, ƙananan kayan gani kamar jagororin haske ko masu watsawa na iya zama dole. Ruwan tabarau mai tsabta ya dace da aikace-aikacen inda guntun LED da kansa ba a gani ba, ko kuma inda ake amfani da gaurayawan launi.

8.3 Kariyar Da'ira

Baya ga resistors na iyakance igiya na jere, yi la'akari da haɗa kariyar polarity baya idan haɗin wutar lantarki yana samun damar mai amfani. Diodes na murƙushe wutar lantarki (TVS) ko wasu da'irorin kariya na iya zama dole a cikin yanayin hayaniyar lantarki.

9. Fasaha da Ka'idar Aiki

Wannan LED ya dogara ne akan kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Lokacin da aka yi amfani da karfin gaba a kan mahaɗin p-n, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade makamashin bandgap, wanda kai tsaye yayi daidai da tsawon zango na fitar da haske—a wannan yanayin, a cikin bakan ja-orange (kimanin 615-621 nm). Fasahar AlInGaP an san ta da babban ingancin quantum na ciki da kuma kyakkyawan aiki a cikin kewayon launi ja zuwa amber, yana ba da mafi girman haske da kwanciyar hankali idan aka kwatanta da tsofaffin fasahohi kamar GaAsP.

10. Tambayoyi na Kowa Dangane da Ma'auni na Fasaha

Q: Zan iya tuƙi wannan LED a 30mA akai-akai?
A: E, 30mA shine matsakaicin ƙimar ci gaba da igiyar DC ta gaba. Don mafi kyawun tsawon rai, ana ba da shawarar tuƙi a ko ƙasa da yanayin gwaji na 20mA na yau da kullun.

Q: Wane darajar resistor ya kamata in yi amfani da shi tare da samar da 5V?
A: Ta amfani da matsakaicin VF na 2.0V da igiyar da ake so na 20mA: R = (5V - 2.0V) / 0.020A = 150 Ohms. Daidaitaccen resistor na 150Ω zai dace. Koyaushe lissafta ta amfani da matsakaicin VF (2.4V) don tabbatar da cewa mafi ƙarancin igiya ya ishe aikace-aikacenku.

Q: Ta yaya zafin jiki yana shafar haske?
A: Ƙarfin haske yana raguwa yayin da zafin haɗin ke ƙaruwa. Matsakaicin lanƙwasan aiki suna nuna wannan raguwa. Isasshen zafin zafi da guje wa aiki a matsakaicin igiya a cikin manyan yanayin zafi sune mabuɗin kiyaye fitarwa mai daidaito.

Q: Shin wannan LED ya dace da aikin bugun jini?
A: E, yana iya ɗaukar matsakaicin igiyar gaba na 80mA a ƙaramin aikin aiki (1/10) tare da ƙaramin faɗin bugun jini (0.1ms). Ana iya amfani da wannan don haɗawa ko samun haske mai girma da ake gani.