Takardar Bayani na Fasaha na SMD LED LTSA-S020ZGWTA - 2.0x1.25x0.8mm - 2.9V - 90mW - LED Kore mai Watsawa

1. Bayyani Game da Samfur

Wannan takarda ta bayyana cikakkun ƙayyadaddun bayanai na SMD LED da aka ƙera don haɗa allon da'ira ta atomatik da aikace-aikacen da ke da ƙarancin sarari. Kayan yana da ruwan tabarau mai watsawa kuma yana fitar da haske kore, wanda ya sa ya dace da kayan lantarki iri-iri inda ake buƙatar aikin nuna alama ko haske.

1.1 Muhimman Siffofi

• Ya bi ka'idojin muhalli na RoHS.
• An shirya shi a kan tef mai nisan milimita 12 wanda aka naɗe a kan reels masu diamita inci 7 don haɗawa ta atomatik.
• An riga an shirya shi zuwa Matakin Hatsarin Danshi na JEDEC 2a.
• Ingancin da aka ambata zuwa AEC-Q101 Rev D, ya dace da aikace-aikacen mota.
• Tsarin fakitin EIA na yau da kullun don dacewa.
• Ƙarfin tuƙi mai dacewa da IC.
• An ƙera shi don dacewa da kayan aikin ɗauka da sanyawa ta atomatik.
• Ya dace da hanyoyin haɗa ƙarfe ta hanyar reflow infrared.

1.2 Aikace-aikacen da Ake Nufi

Ana nufin wannan LED don amfani da shi a cikin kayan lantarki iri-iri, gami da amma ba'a iyakance ga wayoyin maras igiya da wayoyin salula, kwamfutocin tebur, da tsarin hanyar sadarwa. An yi ambaton musamman don aikace-aikacen kayan haɗi a cikin motocin injiniya.

2. Zurfin Bincike na Ƙayyadaddun Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

An ƙayyade duk ƙimar a yanayin zafin muhalli (Ta) na 25°C. Wucewa waɗannan iyakoki na iya haifar da lalacewa ta dindindin.

• Rushewar Wutar Lantarki (Pd):90 mW
• Matsakaicin Ƙarfin Gaba (I_F(peak)):50 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Ƙarfin Gaba (I_F):20 mA DC
• Kewayon Zafin Aiki:-40°C zuwa +100°C
• Kewayon Zafin Ajiya:-40°C zuwa +100°C

2.2 Halayen Lantarki da Na Gani

Ana auna aikin na yau da kullun a Ta=25°C ƙarƙashin ƙayyadaddun yanayin gwaji.

• Ƙarfin Hasken (I_V):250 - 640 mcd (Ƙimar ta yau da kullun a I_F= 2 mA). An auna tare da firikwensin/tace wanda ya kusanci lanƙwasa amsa ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 110. An ayyana shi azaman kusurwar da ba ta kan axis ba inda ƙarfin ya rabi ƙimar axial.
• Matsakaicin Tsawon Tsawon Watsawa (λ_p):518 nm (daga ma'aunin bakan).
• Matsakaicin Tsawon Tsawon (λ_d):523 - 538 nm (a I_F= 2 mA). Yana wakiltar launin da ake gani. Haƙuri shine ±1 nm.
• Rabin Faɗin Layin Bakan (Δλ):35 nm.
• Ƙarfin Gaba (V_F):2.0 - 2.9 V (a I_F= 2 mA). Haƙuri shine ±0.1 V.
• Ƙarfin Baya (V_z):6 - 8 V (a I_z= 10 μA). Lura: Ba a ƙera na'urar don aikin baya ba; wannan ma'auni ne don gwajin IR kawai.
• Ƙarfin Baya (I_R):10 μA matsakaici (a V_R= 5V).
• Ƙarfin Jurewar ESD:2000 V (Samfurin Jikin Mutum).

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaiton launi da haske, ana rarraba abubuwan zuwa kwandon shara bisa mahimman ma'auni. Alamar gungu tana nuna lambobin kwandon don V_f, I_V, da Launi (W_d).

3.1 Rarrabawar Ƙarfin Gaba (V_f)

An auna a I_F= 2 mA. Haƙuri a cikin kowane kwandon shine ±0.1V.

• H3:2.0 V (Ƙarami) zuwa 2.3 V (Mafi girma)
• H4:2.3 V (Ƙarami) zuwa 2.6 V (Mafi girma)
• H5:2.6 V (Ƙarami) zuwa 2.9 V (Mafi girma)

3.2 Rarrabawar Ƙarfin Hasken (I_V)

An auna a I_F= 2 mA. Haƙuri a cikin kowane kwandon shine ±11%.

• T1:250 mcd (Ƙarami) zuwa 400 mcd (Mafi girma)
• T2:400 mcd (Ƙarami) zuwa 640 mcd (Mafi girma)

3.3 Rarrabawar Matsakaicin Tsawon Tsawon (W_d)

An auna a I_F= 2 mA. Haƙuri a cikin kowane kwandon shine ±1 nm.

• AQ:523 nm (Ƙarami) zuwa 528 nm (Mafi girma)
• AR:528 nm (Ƙarami) zuwa 533 nm (Mafi girma)
• AS:533 nm (Ƙarami) zuwa 538 nm (Mafi girma)

4. Bincike na Lanƙwasa Aiki

Takardar bayani ta ƙunshi lanƙwasan halaye na yau da kullun don taimakawa wajen ƙira. Waɗannan lanƙwasan suna kwatanta alaƙa tsakanin ƙarfin gaba da ƙarfin haske, da kuma rarraba haske a sarari (tsarin radiation). Zanen rarraba sarari yana da mahimmanci don fahimtar bayanin hasken da ruwan tabarau mai watsawa ya haifar, yana nuna yadda ake watsa haske akan kusurwar dubawa na digiri 110. Masu ƙira za su iya amfani da lanƙwasa I_Vdaidai da I_Fdon kimanta haske a ƙarfin tuƙi daban-daban, tare da tabbatar da cewa LED ya cika buƙatun aikace-aikace ba tare da wuce matsakaicin ƙimar ba.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

LED ya bi daidaitaccen tsarin fakitin SMD. Muhimman girma (a cikin milimita) sun haɗa da girman jiki kusan 2.0 x 1.25 mm tare da tsayi na 0.8 mm. Haƙuri yawanci shine ±0.2 mm sai dai idan an ƙayyade in ba haka ba. Ya kamata a koma ga cikakken zanen girma don ƙayyadaddun ƙirar ƙirar ƙasa.

5.2 Shawarar Ƙirar Pad ɗin PCB

An ba da shawarar ƙirar ƙasa don haɗa ƙarfe ta hanyar reflow infrared ko lokacin tururi. Yin bin wannan tsari yana da mahimmanci don samun ingantaccen samuwar haɗin gwiwa, tabbatar da kwanciyar hankali na injiniya, da sauƙaƙe zubar da zafi yayin aiki.

6. Jagororin Haɗa Ƙarfe da Haɗawa

6.1 Bayanin Martaba na IR Reflow Soldering

Don hanyoyin haɗa ƙarfe marasa gubar (Pb-free), shawarar martaba ta bi J-STD-020. Muhimman ma'auni sun haɗa da:

• Zafin Rigakafin:150°C zuwa 200°C.
• Lokacin Rigakafin:Matsakaicin dakika 120.
• Matsakaicin Zazzabi:Matsakaicin 260°C.
• Lokaci Sama da Liquidus:Matsakaicin dakika 10 (ana ba da shawarar matsakaicin zagayowar reflow guda biyu).

Lura: Mafi kyawun martaba ya dogara da takamaiman ƙirar PCB, abubuwan, man guduro, da tanda. Ana ba da shawarar siffatawa don takamaiman haɗawa.

6.2 Haɗa Ƙarfe da Hannu

Idan haɗa ƙarfe da hannu ya zama dole:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Haɗa Ƙarfe:Matsakaicin dakika 3 a kowane gubar (sau ɗaya kawai).

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan haɗa ƙarfe, yi amfani da kaushi masu tushen barasa kamar ethyl alcohol ko isopropyl alcohol a zafin daki. Nunawa bai kamata ya wuce minti ɗaya ba. Guji tsaftace sinadarai da ba a ƙayyade ba.

7. Gargaɗin Ajiya da Sarrafawa

7.1 Yanayin Ajiya

• Fakitin da aka Rufe:Ajiye a ≤30°C da ≤70% RH. Yi amfani da shi cikin shekara guda bayan ranar shiryawa lokacin da yake cikin jakunkunan hana danshi tare da desiccant.
• Fakitin da aka Buɗe:Ajiye a ≤30°C da ≤60% RH. Ya kamata a haɗa abubuwan ta hanyar reflow cikin sa'o'i 168 (kwanaki 7) na fallasa.
• Ajiya Mai Tsayi (Buɗe):Ajiye a cikin akwati mai rufi tare da desiccant ko a cikin desiccator na nitrogen.
• Gasasshen:Idan an fallasa fiye da sa'o'i 168, gasa a kusan 60°C na aƙalla sa'o'i 48 kafin haɗa ƙarfe don cire danshi da hana "popcorning" yayin reflow.

7.2 Gargaɗin Aikace-aikace

An ƙera wannan LED don kayan lantarki na yau da kullun. Ba a ba da shawarar don aikace-aikacen da ke da mahimmanci ga aminci inda gazawar za ta iya jefa rayuwa ko lafiya cikin haɗari (misali, jirgin sama, tallafin rayuwa na likita) ba tare da tuntuɓar farko da takamaiman cancanta ba.

8. Bayanin Fakitin da Oda

8.1 Ƙayyadaddun Tef da Reel

• Faɗin Tef:12 mm.
• Diamita na Reel:Inci 7.
• Adadin kowane Reel:Guda 2000.
• Mafi ƙarancin Adadin Oda:Guda 500 don ragowar yawa.
• Ma'aunin Shiryawa:Daidai da EIA-481-1-B. Ana rufe ramukan da babu kowa da tef ɗin murfi. Ana ba da izinin mafi yawan abubuwan da ba a samu ba guda biyu a jere.

9. Shawarwari na Aikace-aikace da Abubuwan Ƙira

Lokacin haɗa wannan LED cikin ƙira, yi la'akari da waɗannan:

• Iyakancewar Ƙarfi:Koyaushe yi amfani da resistor na jerin ko direba mai ƙarfi na yau da kullun don iyakance ƙarfin gaba zuwa ƙimar aminci, yawanci a ko ƙasa da matsakaicin 20 mA DC. Ya kamata a yi la'akari da kwandon V_Fdon daidaitaccen lissafin resistor.
• Gudanar da Zafi:Duk da cewa rushewar wutar lantarki yana da ƙasa (90 mW), tabbatar da PCB yana ba da isasshen taimako na zafi, musamman idan ana aiki a yanayin zafi mai girma ko kusa da matsakaicin ƙarfin.
• Ƙirar Gani:Ruwan tabarau mai watsawa yana ba da faɗin kusurwar dubawa mai daidaito wanda ya dace da alamomin panel. Don haske mai mai da hankali, ƙila ana buƙatar na'urorin gani na biyu.
• Kariya ta ESD:Ko da yake an ƙididdige shi don 2kV HBM, aiwatar da daidaitaccen sarrafa ESD kuma, idan ya cancanta, kariyar da'ira (misali, diodes na TVS) a cikin yanayi mai mahimmanci.

10. Kwatancen Fasaha da Bambance-bambance

Wannan LED ya bambanta kansa ta hanyar haɗa siffofinsa: Tunanin cancantar AEC-Q101 ya sa ya zama ɗan takara don aikace-aikacen kayan haɗi na mota. Rigakafin zuwa MSL 2a yana haɓaka amincin don hanyoyin reflow na yau da kullun. Cikakken tsarin rarrabawa yana ba da damar daidaitawar launi da haske mai ƙarfi a cikin samfuran samarwa idan aka kwatanta da sassan da ba a rarraba ba. Faɗin kusurwar dubawa na digiri 110 tare da ruwan tabarau mai watsawa ya dace da aikace-aikacen da ke buƙatar haske mai faɗi, maras haske.

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

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?
A: Matsakaicin Tsawon Tsawon (518 nm) shine madaidaicin madaidaicin ƙarfin fitarwa a cikin lanƙwasa bakan. Matsakaicin Tsawon Tsawon (523-538 nm) an samo shi daga ginshiƙin launi na CIE kuma yana wakiltar tsawon tsawon tsawon da ya fi dacewa da launin hasken da ake gani, wanda ya fi dacewa da hangen nesa na ɗan adam.

Q: Zan iya tuƙi wannan LED a 20 mA akai-akai?
A: Ee, 20 mA shine matsakaicin ƙimar ƙarfin gaba na DC na yau da kullun a 25°C. Don aiki mai aminci, musamman a yanayin zafi mafi girma, ana ba da shawarar rage ƙarfin. Koyaushe koma ga iyakar rushewar wutar lantarki (90 mW).

Q: Me yasa akwai ƙimar ƙarfin baya idan na'urar ba don aikin baya ba?
A: Ƙimar V_z(6-8V) da farko ma'auni ne na gwaji don tabbatar da ingancin ciki (gwajin IR). Yana nuna ƙarfin rushewa. A cikin ƙirar da'ira, ya kamata ku tabbatar da cewa LED ba za a taɓa sanya shi cikin bambancin baya ba, tun ma ƙananan ƙarfin baya na iya lalata aiki.

Q: Ta yaya zan fassara lambar kwandon "H4/T2/AR" akan alama?
A> Wannan yana nuna takamaiman gungu inda LEDs ke da ƙarfin gaba tsakanin 2.3V zuwa 2.6V (H4), ƙarfin haske tsakanin 400 zuwa 640 mcd (T2), da tsayin tsawon tsawon tsakanin 528 zuwa 533 nm (AR).

12. Ƙirar Aiki da Misalin Amfani

Yanayi: Ƙirar alamar matsayi don mai kewayawa na mabukaci.LED yana buƙatar zama kore, ana iya gani daga kusurwoyi daban-daban, kuma ya dogara don ci gaba da aiki. Wannan ɓangaren ya dace. Ƙarfin tuƙi na 5-10 mA zai ba da isasshen haske yayin da yake cikin iyakoki, yana tabbatar da amincin dogon lokaci. Mai ƙira zai zaɓi resistor mai iyakancewa bisa ga V na yau da kullun_F(misali, 2.5V don kwandon H4) da ƙarfin wadata (misali, 3.3V). Faɗin kusurwar dubawa yana tabbatar da cewa ana iya ganin matsayin ba tare da la'akari da yanayin mai kewayawa ba. Shirye-shiryen tef-da-reel yana ba da damar ingantaccen haɗawa ta atomatik akan babban PCB na mai kewayawa.

13. Ka'idar Aiki

Wannan diode ne mai fitar da haske na semiconductor (LED). Lokacin da aka yi amfani da ƙarfin gaba wanda ya wuce bakinsa, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (wanda ya ƙunshi InGaN don fitar da kore), suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki yana ƙayyade tsawon tsawon (launi) na hasken da aka fitar. Ruwan tabarau mai watsawa na epoxy yana rufe gawar semiconductor, yana ba da kariyar muhalli, tallafin injiniya, da siffanta fitowar haske zuwa faɗin haske mai daidaito.

14. Trends na Fasaha

Masana'antar optoelectronics na ci gaba da ci gaba a cikin mahimman fagage da yawa masu dacewa da irin waɗannan abubuwan: ƙara ingancin haske (ƙarin fitowar haske a kowace watt), ingantaccen daidaiton launi da ƙarancin haƙuri na rarrabawa, ingantaccen aminci da aiki mafi girma na zafin jiki don kasuwannin mota da masana'antu, da ƙarin ƙarancin fakitin. Yunkurin zuwa mafi inganci da faɗaɗa amfani da LEDs gabaɗaya a cikin hasken gabaɗaya da aikace-aikacen mota yana tura ci gaba mai ci gaba a cikin kayan semiconductor da fasahar fakitin.