Bayanin SMD LED LTST-C990NSKT-PO - LED Mai Haske Rairai AlInGaP - 25mA - 62.5mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta bayyana cikakkun bayanai don LED mai inganci, mai haɗawa da sararin samaniya, wanda aka tsara don haɗawa ta atomatik da aikace-aikacen da ke da ƙarancin sarari. Na'urar tana amfani da ƙwayar AlInGaP Mai Haske Sosai don samar da haske mai haske rairai, wanda ya dace da kewayon kayan lantarki na zamani.

1.1 Siffofi

• Ya bi ka'idojin muhalli na RoHS.
• Yana da ruwan tabarau mai siffar kumfa don ingantaccen rarraba haske.
• Yana amfani da ƙwayar semiconductor AlInGaP (Aluminum Indium Gallium Phosphide) Mai Haske Sosai.
• Ana bayarwa a cikin tef ɗin daidaitaccen masana'antu na 8mm akan reels masu diamita 7-inch don ɗauka da sanyawa ta atomatik.
• Fakitin ya bi ka'idojin EIA (Ƙungiyar Masana'antu na Lantarki).
• Matsakaicin tuƙi mai dacewa da matakin dabaru.
• Ya dace gaba ɗaya da kayan aikin sanyawa da haɗawa ta atomatik.
• Yana jurewa tsarin haɗa da zafi na infrared (IR) na yau da kullun.

1.2 Aikace-aikace

An ƙera wannan LED don haɗawa cikin tsarin lantarki daban-daban, gami da amma ba'a iyakance ga:

• Na'urorin sadarwa da kayan aikin sarrafa ofis.
• Kayan amfani na gida da allunan sarrafa masana'antu.
• Hasken baya don maɓallan maɓalli da madannai.
• Alamomin matsayi da wutar lantarki.
• Ƙananan nuni da allunan bayanai masu ƙarami.
• Hasken sigina da fitilun alama.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaicin Matsakaici

Ba za a iya wuce wa waɗannan iyakoki a kowane yanayi ba, saboda yin hakan na iya haifar da lalacewa ta dindindin ga na'urar. Duk matakan an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):62.5 mW. Wannan shine matsakaicin jimlar wutar lantarki da fakitin zai iya watsawa azaman zafi.
• Matsakaicin Halin Gaba (I_F(PEAK)):60 mA. Ana yarda da shi kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms).
• Ci gaba da Halin Gaba (I_F):25 mA DC. Matsakaicin halin yanzu da aka ba da shawarar don aiki ci gaba.
• Ƙarfin Lantarki na Baya (V_R):5 V. Wucewa wannan ƙarfin lantarki a cikin karkatar da baya na iya rushe haɗin LED.
• Kewayon Zafin Aiki:-30°C zuwa +85°C.
• Kewayon Zafin Ajiya:-40°C zuwa +85°C.
• Yanayin Haɗa da Zafi na Infrared:Jure zafin jiki mai girma 260°C har zuwa matsakaicin dakika 10.

2.2 Halaye na Lantarki da Na Gani

Waɗannan su ne ma'auni na aikin yau da kullun da aka auna a Ta=25°C da I_F=20mA, sai dai idan an lura da wani abu. Suna bayyana halayen aikin LED.

• Ƙarfin Hasken Hasken (I_V):710.0 zuwa 1800.0 mcd (millicandela). An auna ta amfani da firikwensin da aka tace don dacewa da lanƙwan amsawar ido na CIE photopic. Tsarin rarrabawa ne ke sarrafa faɗin kewayon.
• Kusurwar Dubawa (2θ_1/2):Digiri 75. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar axial ɗinsa, yana nuna faɗin kusurwar dubawa da ta dace da fakitin ruwan tabarau mai siffar kumfa.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):Yawanci 591 nm. Tsawon tsawon da rarraba ikon bakan ya fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):587.0 zuwa 597.0 nm. Wannan shine tsawon tsawon guda ɗaya da idon ɗan adam ke gani wanda ke bayyana launin rairai na LED, wanda aka samo daga madaidaitan launi na CIE.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 15 nm. Faɗin bakan hasken da aka fitar a rabin matsakaicin ƙarfinsa, yana nuna tsaftar launi.
• Ƙarfin Lantarki na Gaba (V_F):1.7 zuwa 2.5 V. Faɗin ƙarfin lantarki a kan LED lokacin da aka tuƙa shi da 20mA.
• Halin Baya (I_R):Matsakaicin 10 µA lokacin da aka yi amfani da karkatar da baya na 5V.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaiton aiki a cikin samarwa, ana rarraba LED zuwa kwandon kwandon bisa mahimman ma'auni. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka dace da takamaiman buƙatun aikace-aikace don haske, launi, da ƙarfin lantarki.

3.1 Rarrabawar Ƙarfin Lantarki na Gaba (V_F)

Kwandon suna bayyana kewayon faɗin ƙarfin lantarki na gaba a 20mA. Haƙuri a cikin kowane kwandon shine ±0.1V.

• E2:1.7V – 1.9V
• E3:1.9V – 2.1V
• E4:2.1V – 2.3V
• E5:2.3V – 2.5V

3.2 Rarrabawar Ƙarfin Hasken Hasken (I_V)

Kwandon suna rarraba mafi ƙarancin da matsakaicin fitar da haske a 20mA. Haƙuri a cikin kowane kwandon shine ±15%.

• V1:710.0 – 900.0 mcd
• V2:900.0 – 1120.0 mcd
• W1:1120.0 – 1400.0 mcd
• W2:1400.0 – 1800.0 mcd

3.3 Rarrabawar Matsakaicin Tsawon Tsawon (Launi)

Kwandon suna tabbatar da daidaiton launi ta hanyar rarraba LED bisa matsakaicin tsawon tsawon su. Haƙuri a cikin kowane kwandon shine ±1 nm.

• J:587.0 – 589.5 nm
• K:589.5 – 592.0 nm
• L:592.0 – 594.5 nm
• M:594.5 – 597.0 nm

4. Bincike na Lanƙwan Aiki

Lanƙwan halaye na yau da kullun suna ba da haske game da halayen LED a ƙarƙashin yanayi daban-daban. Waɗannan suna da mahimmanci don ƙirar da'ira mai ƙarfi.

4.1 Halin Gaba da Ƙarfin Lantarki na Gaba (Lanƙwan I-V)

Lanƙwan I-V yana nuna alaƙar alaƙa tsakanin halin yanzu da ƙarfin lantarki. Ƙarfin lantarki na gaba (V_F) yana da ma'auni mara kyau na zafin jiki, ma'ana yana raguwa kaɗan yayin da zafin haɗin ya ƙaru. Dole ne masu ƙira su yi la'akari da wannan lokacin ƙirar da'irar iyakance halin yanzu don hana guduwar zafi a cikin tsararrun layi daya.

4.2 Ƙarfin Hasken Hasken da Halin Gaba

Wannan lanƙwan yana nuna cewa fitar da haske yana kusan layi daya tare da halin yanzu a cikin kewayon aikin yau da kullun (har zuwa matsakaicin matakin DC). Tuƙi LED fiye da matsakaicin matsakaicin matsakaicin zai haifar da raguwar inganci mai girma, ƙara zafi, da saurin raguwar lumen.

4.3 Ƙarfin Hasken Hasken da Zafin Muhalli

Fitar da haske na LED na AlInGaP yana raguwa yayin da zafin muhalli ya tashi. Wannan lanƙwan raguwa yana da mahimmanci ga aikace-aikacen da ke aiki a cikin yanayin zafi mai girma, saboda yana sanar da gefen ƙira da ake buƙata don kiyaye matakan haske da ake buƙata.

4.4 Rarraba Bakan

Jadawalin bakan ya tabbatar da matsakaicin tsawon tsawon kusa da 591nm da kuma ƙunƙuntaccen rabin faɗin bakan na kusan 15nm, wanda shine siffar fasahar AlInGaP kuma yana haifar da launin rairai mai cikar cikar.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

LED ya bi daidaitaccen sawun SMD na masana'antu. Mahimman girma sun haɗa da girman jiki da tazarar jagora da aka tsara don haɗa abin da ake amfani da shi da sarrafa atomatik. Duk girma suna cikin millimeters tare da haƙuri na yau da kullun na ±0.1mm sai dai idan an ƙayyade wani abu. Fakitin yana da ruwan tabarau mai siffar kumfa mai tsabta.

5.2 Tsarin Pad ɗin Haɗa PCB da Aka Ba da Shawara

An ba da zanen tsarin ƙasa don tabbatar da ingantaccen samuwar haɗin gwiwa, sarrafa zafi, da kwanciyar hankali na injiniya. Bin wannan sawun da aka ba da shawarar yana rage ramukan kabari da sauran lahani na haɗawa yayin sake kwarara.

5.3 Gano Halin Lantarki

Ana yiwa alama cathode a jikin na'urar. Ya kamata a tuntubi takardar bayanai don takamaiman tsarin alama. Dole ne a kiyaye daidaitaccen halin lantarki yayin haɗawa don hana lalacewar karkatar da baya.

6. Jagororin Haɗawa da Haɗawa

6.1 Ma'auni na Haɗa da Zafi na IR

Don hanyoyin haɗa gubar (maras gubar), ana ba da shawarar wannan bayanin martaba:

• Zafin Jiki Kafin Zafi:150°C zuwa 200°C.
• Lokacin Kafin Zafi:Matsakaicin dakika 120.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokacin Sama da 260°C:Matsakaicin dakika 10.
• Matsakaicin Adadin Wucewar Sake Kwarara: Two.

Bayanin martaba ya kamata ya bi ka'idojin JEDEC. Ana buƙatar siffanta takamaiman allon saboda nauyin zafi da tsari sun bambanta.

6.2 Haɗa da Hannu

Idan haɗa da hannu ya zama dole, yi amfani da ƙarfe mai sarrafa zafi.

• Zafin Ƙarshen Ƙarfe:Matsakaicin 300°C.
• Lokacin Haɗa kowane Jagora:Matsakaicin dakika 3.
• Mahimmanci:Haɗa da hannu ya kamata a iyakance ga gyara sau ɗaya kawai, ba don haɗawa na farko ba.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan haɗawa, kawai yi amfani da takamaiman kaushi na barasa kamar isopropyl alcohol (IPA) ko ethyl alcohol. Nutsewa ya kamata ya kasance a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Masu tsaftacewa na sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na epoxy ko fakitin.

6.4 Ajiya da Sarrafawa

• Kula da ESD:Wannan na'urar tana da hankali ga fitar da wutar lantarki (ESD). Dole ne a yi amfani da ingantattun sarrafawa na ESD (belun wuyan hannu, tashoshin aiki masu tushe, bene mai ɗaukar wutar lantarki) yayin sarrafawa.
• Matakin Hankalin Danshi (MSL):Ana ƙididdige kayan aikin MSL 3. Da zarar an buɗe jakar shinge na asali na danshi, dole ne a yi wa LED sake kwarara na IR a cikin mako guda a ƙarƙashin yanayin muhalli wanda bai wuce 30°C/60% RH ba.
• Ajiya na Dogon Lokaci (Bude Jakar):Don ajiya fiye da mako guda, gasa LED a 60°C na aƙalla sa'o'i 20 kafin haɗawa, ko ajiye su a cikin akwati mai rufi tare da desiccant ko a cikin desiccator na nitrogen.
• Rayuwar Shel (Jakar da aka Rufe):Shekara guda lokacin da aka adana a ≤ 30°C da ≤ 90% RH a cikin fakitin kariya na danshi na asali tare da desiccant.

7. Bayanin Tattarawa da Oda

7.1 Bayanan Tef da Reel

Ana ba da LED a cikin tef ɗin mai ɗaukar hoto don haɗawa ta atomatik.

• Faɗin Tef:8 mm.
• Diamita na Reel:7 inches (178 mm).
• Adadin kowane Reel:Guda 3000.
• Mafi ƙarancin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Matsakaicin Tattarawa:Ya bi ka'idojin ANSI/EIA-481. Ana rufe ramukan fanko da tef ɗin murfi.

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

8.1 Iyakance Halin Yanzu

LED na'urar ce mai tuƙi. Koyaushe yi amfani da resistor mai iyakance halin yanzu na jeri ko da'irar tuƙi mai dorewa. Ana iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga kwandon ko takardar bayanai don tabbatar da isasshen halin yanzu a kowane yanayi.

8.2 Gudanar da Zafi

Duk da cewa raguwar wutar lantarki yana da ƙasa, ingantaccen tsarin PCB yana da mahimmanci don tsawon rayuwa. Tabbatar da isasshen yanki na tagulla a kusa da pad ɗin haɗawa don yin aiki azaman mai sanyaya zafi, musamman lokacin aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma. Guji sanya LED kusa da sauran abubuwan da ke haifar da zafi.

8.3 Ƙirar Gani

Kusurwar dubawa na digiri 75 yana ba da katako mai faɗi. Don aikace-aikacen da ke buƙatar katako mai mai da hankali, za a buƙaci na'urorin gani na biyu (ruwan tabarau, jagororin haske). Ruwan tabarau mai siffar kumfa yana ba da ingantaccen ƙarfi akan axis wanda ya dace don dubawa kai tsaye a matsayin mai nuna alama.

8.4 Amincewa da Tsawon Rayuwa

Tsawon rayuwar LED yawanci ana bayyana shi azaman lokacin da fitar da haske ya ragu zuwa 50% (L70) ko 70% (L50) na ƙimar sa ta farko. Yin aiki da LED ƙasa da matsakaicin matsakaicin matsakaicin sa, musamman dangane da halin yanzu da zafin jiki, shine babban abin da ke haifar da ƙaruwar tsawon lokacin aiki.

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

9.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

Matsakaicin Tsawon Tsawon (λ_P):Takamaiman tsawon tsawon da LED ke fitar da mafi yawan ikon gani. Ma'auni ne na zahiri daga bakan.Matsakaicin Tsawon Tsawon (λ_d):Tsawon tsawon guda ɗaya na hasken monochromatic wanda zai bayyana yana da launi ɗaya da LED ga mai kallo na ɗan adam na yau da kullun. An ƙididdige shi daga madaidaitan launi na CIE kuma ya fi dacewa don ƙayyadaddun launi.

9.2 Shin zan iya tuƙa wannan LED tare da wadata 3.3V ba tare da resistor ba?

No.Ƙarfin lantarki na gaba shine 1.7-2.5V kawai. Haɗa shi kai tsaye zuwa 3.3V zai haifar da wuce gona da iri na halin yanzu, wanda ya wuce matsakaicin 25mA, yana haifar da gazawar nan take ko sauri. Koyaushe ana buƙatar resistor mai iyakance halin yanzu ko mai sarrafawa.

9.3 Me ya sa akwai tsarin rarrabawa don ƙarfin lantarki da ƙarfi?

Bambance-bambancen masana'antu a cikin hanyoyin semiconductor suna haifar da ƙananan bambance-bambance a cikin aiki. Rarrabawa yana rarraba LED zuwa ƙungiyoyi tare da ma'auni masu ƙarfi. Wannan yana ba masu ƙira damar zaɓar kwandon da ke tabbatar da ƙirar su za ta yi aiki daidai (misali, tabbatar da daidaiton haske a cikin LED da yawa a cikin jeri ta hanyar zaɓar kwandon ƙarfi ɗaya).

9.4 Ta yaya zan fassara ƙimar MSL 3?

MSL (Matakin Hankalin Danshi) 3 yana nufin fakitin zai iya fallasa yanayin bene na masana'anta (≤ 30°C / 60% RH) har zuwa sa'o'i 168 (kwanaki 7) bayan an buɗe jakar kafin a buƙaci sake haɗa da zafi. Idan wannan lokacin ya wuce, dole ne a gasa sassan don cire danshin da aka sha wanda zai iya haifar da "popcorning" (fashewar fakitin) yayin sake kwarara.

10. Gabatarwar Fasaha da Trends

10.1 Ka'idar Fasahar AlInGaP

Aluminum Indium Gallium Phosphide (AlInGaP) wani fili ne na semiconductor na III-V da ake amfani da shi da farko don samar da LED masu inganci a cikin yankunan jajayen, orange, amber, da rairai na bakan gani. Ta hanyar daidaita ma'auni na aluminum, indium, da gallium, ana iya daidaita bandgap na kayan, wanda kai tsaye yana ƙayyade tsawon tsawon (launi) na hasken da aka fitar. LED na AlInGaP an san su da babban ingancin haske da ingantaccen kwanciyar hankali na zafin jiki idan aka kwatanta da tsofaffin fasahohi kamar GaAsP.

10.2 Trends na Masana'antu

Gabaɗayan yanayin a cikin LED na SMD yana zuwa ga ƙarin inganci (ƙarin lumens kowace watt), ƙaruwar yawan wutar lantarki a cikin ƙananan fakitoci, da ingantaccen daidaiton launi da fassara. Hakanan akwai ƙaƙƙarfan tuƙi don faɗaɗa amfani da kayan marasa gubar da marasa halogen don biyan ƙaƙƙarfan ka'idojin muhalli a duniya. Fasahar fakitin tana ci gaba da haɓaka don ingantaccen sarrafa cirewar zafi, wanda shine babban mai iyakance aiki da tsawon rayuwa a cikin aikace-aikacen wutar lantarki mai ƙarfi.