Takardar Bayani na Fitilar LED LTLMR4EVX3DA - Girman 4.2x4.2x6.9mm - Ƙarfin Wutar Lantarki 1.8-2.4V - Ƙarfin Wuta 120mW - Ja 626nm - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTLMR4EVX3DA fitilar LED ce mai hawa a saman, mai ƙarfin haske wadda aka ƙera don aikace-aikacen haske masu ƙarfi. Tana amfani da guntun AllnGaP ja mai mafi girman tsayin haske na 626nm, wanda aka sanya a cikin kunshin ja mai yaduwa. An ƙera wannan na'urar don samar da mafi girman ƙarfin haske yayin da take riƙe da ƙarancin amfani da wutar lantarki da ingantacciyar aiki.

Babban fa'idar wannan LED yana cikin ƙirar gani da aka haɗa. Kunshin yana da takamaiman siffar ruwan tabarau wanda ke ba da sarrafaƙƙun kusurwar kallo (yawanci 35°), yana kawar da buƙatar ƙarin na'urorin gani na waje a yawancin aikace-aikacen allunan sanarwa. Wannan yana haifar da tsarin haske mai santsi wanda ya dace da nunin saƙonni. Bugu da ƙari, an gina kayan ta amfani da fasahar epoxy mai ci gaba, wadda ke ba da kyakkyawan juriya ga danshi da kariya daga hasken UV, yana ƙarfafa amincinta don amfani a ciki da waje. Samfurin ya cika ka'idojin RoHS, ba shi da gubar kuma ba shi da halogen.

Kasuwar da aka yi niyya da farko ta haɗa da masana'antun sanya alamar lantarki, kamar alamun saƙo na bidiyo, alamomin zirga-zirga, da daban-daban allunan nunin bayanai inda ake buƙatar hasken ja mai daidaito, mai haske, da mai da hankali.

2. Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ya kamata a ci gaba da aiki koyaushe a cikin waɗannan iyakokin.

• Rushewar Wuta (Pd):120 mW matsakaici. Wannan shine jimillar wutar da kunshin zai iya watsawa azaman zafi a yanayin yanayi (TA) na 25°C.
• Halin Gaba na DC (IF):50 mA matsakaici a ƙarƙashin aiki na ci gaba.
• Matsakaicin Halin Gaba:120 mA matsakaici, amma kawai a ƙarƙashin yanayin bugun jini (duty cycle ≤ 1/10, faɗin bugun jini ≤ 10µs).
• Ragewa:Dole ne a rage matsakaicin halin gaba na DC da 0.75 mA a kowace digiri Celsius yanayin yanayi ya tashi sama da 45°C.
• Kewayon Yanayin Aiki:-40°C zuwa +85°C. An ƙididdige na'urar don yin aiki a cikin wannan kewayon zafin yanayi.
• Kewayon Yanayin Ajiya:-40°C zuwa +100°C.
• Yanayin Solder na Reflow:Yana jurewa matsakaicin zafin jiki na 260°C na matsakaicin dakika 10, ya dace da daidaitattun hanyoyin reflow marasa gubar.

2.2 Halaye na Lantarki & Gani

Waɗannan su ne madaidaicin ma'auni na aikin da aka auna a TA=25°C da IF=20mA, sai dai idan an faɗi.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙanƙanta na 5500 mcd zuwa matsakaicin matsakaici na 12000 mcd. Ana auna ƙimar Iv ta amfani da firikwensin da aka tace don dacewa da lanƙwasa amsawar ido na CIE photopic. Ana amfani da ƙimar gwaji na ±15% ga ƙimar da aka garanti.
• Kusurwar Kallo (2θ1/2):35° na yau da kullun (30° mafi ƙanƙanta, 40° mafi girma). Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar axial (tsakiya). Ƙimar aunawa ita ce ±2°.
• Matsakaicin Tsayin Watsa Watsawa (λP):634 nm na yau da kullun. Wannan shine tsayin raƙuman ruwa a mafi girman matsayi na bakan watsawa.
• Matsakaicin Tsayin Raƙuman Ruwa (λd):Tsakanin 618 nm da 630 nm. Wannan shine tsayin raƙuman ruwa guda ɗaya wanda idon ɗan adam ke gani, wanda aka lissafta daga ma'auni na launi na CIE, yana ayyana launin a matsayin ja.
• Rabin Faɗin Layin Bakan (Δλ):15 nm na yau da kullun. Wannan yana nuna tsaftar bakan ko faɗin band na hasken da aka fitar.
• Ƙarfin Wutar Lantarki na Gaba (VF):Tsakanin 1.8 V da 2.4 V a IF=20mA. Wannan shine faɗuwar ƙarfin wutar lantarki a kan LED lokacin aiki.
• Halin Baya (IR):10 µA matsakaici lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V.Muhimmi:Ba a ƙera wannan na'urar don aikin karkatar da baya ba; wannan gwajin don siffanta kawai ne.

3. Ƙayyadaddun Tsarin Rarraba

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

3.1 Rarraba Ƙarfin Hasken (Iv)

Ana rarraba LED ɗin zuwa kwandon kwandon ƙarfi guda uku a IF=20mA. An yiwa alamar lambar kwandon akan marufi.

• Kwandon W:5500 mcd (Mafi ƙanƙanta) zuwa 7200 mcd (Mafi girma)
• Kwandon X:7200 mcd (Mafi ƙanƙanta) zuwa 9300 mcd (Mafi girma)
• Kwandon Y:9300 mcd (Mafi ƙanƙanta) zuwa 12000 mcd (Mafi girma)

Haƙuri akan kowane iyakar kwandon shine ±15%.

3.2 Rarraba Ƙarfin Wutar Lantarki na Gaba (VF)

Hakanan ana rarraba LED ɗin bisa ga faɗuwar ƙarfin wutar lantarki na gaba a IF=20mA.

• Kwandon 1A:1.8 V (Mafi ƙanƙanta) zuwa 2.0 V (Mafi girma)
• Kwandon 2A:2.0 V (Mafi ƙanƙanta) zuwa 2.2 V (Mafi girma)
• Kwandon 3A:2.2 V (Mafi ƙanƙanta) zuwa 2.4 V (Mafi girma)

Haƙuri akan kowane iyakar kwandon shine ±0.1V.

4. Bincike na Lanƙwasa Aiki

Yayin da ba a ƙididdige takamaiman lanƙwasa na zane ba a cikin rubutun da aka bayar, ana iya ƙididdige yanayin aiki na yau da kullun don irin waɗannan LED ɗin daga sashin halayen lantarki/gani. Muhimman alaƙa sun haɗa da:

• Lanƙwasa IV (Halitta vs. Ƙarfin Wutar Lantarki):Ƙarfin wutar lantarki na gaba (VF) yana nuna alaƙar logarithmic tare da halin gaba (IF). Yin aiki a daidai shawarar 20mA yana tabbatar da na'urar ta kasance a cikin ƙayyadaddun kewayon VF da iyakokin ɓarnar wutar lantarki.
• Ƙarfin Hasken vs. Halitta (Iv-IF):Ƙarfin haske gabaɗaya yana ƙaruwa tare da halin gaba amma yana iya zama ƙasa da layi a manyan halaye masu yawa saboda raguwar inganci da tasirin zafi. Yin aiki a ko ƙasa da ƙayyadaddun halin DC yana da mahimmanci don kiyaye aiki da tsawon rai.
• Dogaro da Yanayin Zafi:Ƙarfin haske yawanci yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Ƙayyadaddun ƙayyadaddun ƙayyadaddun halin gaba sama da 45°C shine ma'aunin kai tsaye don sarrafa wannan tasirin zafi da hana yin zafi.
• Rarraba Bakan:Bakan watsawa yana tsakiya kusa da 634nm (kololuwa) tare da matsakaicin rabin faɗi na 15nm, yana nuna tushen hasken ja mai ƙunƙuntaccen band. Matsakaicin tsayin raƙuman ruwa (618-630nm) yana ƙayyade wurin launin da ake gani.

5. Bayanin Injiniya & Kunshin

5.1 Ma'auni na Tsari

LTLMR4EVX3DA na'ura ce mai hawa a saman tare da ma'auni masu mahimmanci masu zuwa (a cikin milimita, tare da inci a cikin maƙallan):

• Girman Jikin Kunshin: 4.2 ±0.2 [0.17±0.01] (Tsawon) x 4.2 ±0.2 [0.17±0.01] (Faɗin).
• Jimlar Tsayi: 6.9 ±0.5 [0.27±0.02].
• Faɗin Jagora (Tasha): 0.45 [0.02].
• Tazarar Jagora (Pitch): Ana auna inda jagororin suka fito daga kunshin. Resin da ya yi fice a ƙarƙashin flange shine matsakaicin 1.0mm [0.04\"]

Haƙuri na gabaɗaya shine ±0.25mm [.010\"] sai dai idan an faɗi.

5.2 Gano Polarity & Ƙirar Pad

Na'urar tana da tashoshi uku: P1 (Anode), P2 (Cathode), da P3 (Anode). Tsarin anode biyu ya zama ruwan dare don sassauƙan ƙira na zafi da lantarki. An ba da shirin pad ɗin solder da aka ba da shawarar don tabbatar da ingantaccen solder da sarrafa zafi. Pad P3 ana ba da shawarar musamman don haɗa shi da na'urar sanyaya ko tsarin sanyaya don taimakawa wajen watsa zafi yayin aiki, wanda yake da mahimmanci don kiyaye aiki da aminci.

6. Jagororin Solder & Taro

6.1 Ajiya & Sarrafa (MSL3)

An rarraba wannan ɓangaren a matsayin Matakin Hankali na Danshi 3 (MSL3) bisa ga JEDEC J-STD-020.

• Ajiya a cikin Jakar da aka Rufe:Ana iya adana har zuwa watanni 12 a <30°C da 90% RH.
• Rayuwar Bene:Bayan buɗe jakar shinge na danshi, dole ne a yi solder ɗin sassa a cikin sa'o'i 168 (kwanaki 7) lokacin da aka ajiye su a ƙarƙashin yanayin <30°C / 60% RH.
• Gasasshen:Ana buƙata idan katin nuna alamar danshi ya nuna >10% RH, rayuwar bene ta wuce sa'o'i 168, ko sassa sun fallasa zuwa >30°C / 60% RH. Yanayin gasasshen da aka ba da shawarar: 60°C ±5°C na sa'o'i 20. Ya kamata a yi gasasshen sau ɗaya kawai.
• Ya kamata a adana LED ɗin da ba a yi amfani da su ba tare da desiccant a cikin jakar shinge na danshi da aka rufe don hana lalata jan ƙarfe na jagororin da aka yi da azurfa.

6.2 Ma'auni na Solder

Solder na Reflow (Shawarar):

• Pre-heat: 150–200°C
• Lokacin Pre-heat: 120 seconds matsakaici.
• Matsakaicin Zafin Jiki: 260°C matsakaici.
• Lokaci a Kololuwa: 10 seconds matsakaici.
• Matsakaicin Adadin Reflows: 2.

Solder na Hannu (Ƙarfe):

• Zafin Ƙarfe: 315°C matsakaici.
• Lokacin Solder: 3 seconds matsakaici kowane haɗin gwiwa.
• Matsakaicin Adadin Zangon Solder na Hannu: 1.

Muhimman Bayanin Kula:An ƙera wannan LED don solder reflow, ba dip solder ba. Guji amfani da damuwa na waje yayin solder yayin da LED ke da zafi, kuma guji sanyaya cikin sauri daga matsakaicin zafin jiki.

6.3 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da kaushi na barasa kamar isopropyl alcohol.

7. Bayanin Kunshin da Oda

Ana ba da LTLMR4EVX3DA a cikin tef ɗin ɗaukar hoto don haɗawa da zaɓi da wuri ta atomatik. An ƙayyade ma'aunin tef ɗin don dacewa da daidaitattun kayan aikin SMT. Kowace reel ta ƙunshi jimillar guda 1,000. Ƙayyadaddun shiryawa yana tabbatar da an kare kayan kuma an daidaita su daidai yayin jigilar kaya da sarrafawa.

8. Bayanin Aikace-aikace & Abubuwan Ƙira

8.1 Aikace-aikacen Yau da Kullun

• Alamun saƙo na bidiyo da manyan nunin.
• Alamomin zirga-zirga da alamomin hanya.
• Allunan bayanai da talla.
• Sauran kayan lantarki masu buƙatar ƙarfin haske, mai da hankali ja.

8.2 Ƙirar Da'irar Tuƙi

LED ɗin na'urori ne masu aiki da halin yanzu. Don tabbatar da daidaiton haske lokacin tuƙi LED ɗin da yawa, musamman a cikin tsarin layi daya, yana dashawarar ƙarfidon amfani da resistor mai iyakance halin yanzu a jere tare da kowane LED (Samfurin Da'irar A). Tuƙi LED ɗin a layi daya ba tare da ƙa'idar halin yanzu na kowane mutum ba (Samfurin Da'irar B) ba a ba da shawarar ba, saboda ƙananan bambance-bambance a cikin halayen ƙarfin wutar lantarki na gaba (VF) tsakanin LED ɗin kowane mutum na iya haifar da bambance-bambance masu mahimmanci a cikin rabon halin yanzu, saboda haka, rashin daidaiton haske.

8.3 Gudanar da Zafi

Ingantaccen ƙira na zafi yana da mahimmanci. Wuce matsakaicin zafin haɗin gwiwa zai rage fitar da haske kuma ya rage tsawon rai. Yi amfani da shirin pad ɗin da aka ba da shawarar, haɗa pad ɗin zafi (P3) zuwa zubar da tagulla ko na'urar sanyaya da aka keɓe akan PCB don watsa matsakaicin wutar lantarki na 120mW yadda ya kamata.

9. Kwatancen Fasaha & Bambance-bambance

LTLMR4EVX3DA ya bambanta kansa daga daidaitattun LED na SMD ko nau'in PLCC ta hanyar ƙirar gani da aka haɗa. Kunshin da kansa yana ba da sarrafaƙƙun kusurwar kallo (35°), wanda shine babban fa'ida ga aikace-aikacen allunan sanarwa. Wannan yana kawar da farashi, rikitarwa, da batutuwan daidaitawa da ke da alaƙa da ƙara ruwan tabarau na waje na biyu don cimma katako mai mai da hankali. Haɗin babban ƙarfin haske, tsarin watsa radiyo da aka ƙayyade, da ƙaƙƙarfan kunshin mai juriya ga danshi ya sa ya zama ƙwararren mafita wanda aka inganta don sanya alama, idan aka kwatanta da LED ɗin da ba na gabaɗaya ba tare da faɗin kusurwar kallo.

10. Tambayoyin da ake yawan yi (FAQ)

Q1: Shin zan iya tuƙi wannan LED ba tare da resistor mai iyakance halin yanzu ba?

A1: A'a. Dole ne a tuƙi LED tare da halin yanzu da aka sarrafa. Haɗa shi kai tsaye zuwa tushen ƙarfin wutar lantarki zai haifar da wuce gona da iri na halin yanzu, mai yuwuwa ya lalata na'urar nan take. Koyaushe yi amfani da resistor na jere ko direban halin yanzu na dindindin.

Q2: Me yasa kusurwar kallo ke da mahimmanci ga aikace-aikacen alama?

A2: Ƙunƙuntacciyar kusurwar kallo da aka sarrafa tana tabbatar da cewa an karkatar da haske zuwa ga mai kallo kuma ba a ɓata wuraren haske ba a wajen yankin kallo da aka yi niyya. Wannan yana ƙara hasken da ake gani da ingancin alamar, musamman don kallo kai tsaye.

Q3: Menene MSL3 ke nufi, kuma me yasa gasasshen ya zama dole?

A3: MSL3 yana nuna cewa ɓangaren zai iya ɗaukar danshi daga iska. Yayin solder reflow, wannan danshin da aka kama zai iya juya zuwa tururi cikin sauri, yana haifar da ɓarkewar ciki ko \"popcorning,\" wanda ke lalata kunshin. Gasasshen yana cire wannan danshin da aka ɗauka kafin aikin solder mai zafi.

Q4: Shin zan iya amfani da wannan LED don nuna ƙarfin wutar lantarki na baya?

A4: A'a. Ba a ƙera na'urar don aikin baya ba. Ƙayyadaddun halin baya (IR) don dalilai na gwaji ne kawai. Yin amfani da ƙarfin wutar lantarki na baya na ci gaba zai lalata LED.

11. Nazarin Shari'ar Ƙira mai Aiki

Yi la'akari da ƙira ƙaramin alamar \"FITA\". Ƙirar tana buƙatar haske mai haske, daidaitaccen hasken ja a kan haruffa. Ta amfani da LTLMR4EVX3DA, ana iya sanya jerin LED ɗin a bayan panel ɗin mai yaduwa. Saboda kusurwar kallonsa na 35°, hasken daga kowane LED zai mai da hankali gaba, yana rage zubewa kuma yana tabbatar da inganci. Za a tuƙi kowane LED a cikin jeri a cikin tsarin jeri-layi daya, tare da kowane jerin kirtani yana da resistor mai iyakance halin yanzu gama gari, wanda aka yi amfani da shi ta hanyar samar da DC mai ƙarfi. Ƙunƙuntacciyar katako tana taimakawa wajen kiyaye daidaiton haske a fuskar alamar ba tare da wuraren zafi ba. Matsayin MSL3 yana buƙatar tsara tsarin taro don kammala solder a cikin rayuwar bene na sa'o'i 168 bayan buɗe reel.

12. Ka'idar Aiki

Diodes masu fitar da haske (LED) na'urori ne na semiconductor waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin gwiwar p-n, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (wanda ya ƙunshi AllnGaP don hasken ja). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (ɓangarorin haske). Takamaiman tsayin raƙuman ruwa (launi) na haske an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor. Kunshin da aka yada yana ƙunshe da phosphors ko barbashi masu watsawa a cikin encapsulant don faɗaɗa cire haske da ƙirƙirar ƙarin kamanni daga saman fitarwa.

13. Trends na Fasaha

Gabaɗayan yanayin fasahar LED don sanya alama da haske yana ci gaba zuwa ga ingantacciyar inganci (ƙarin lumens a kowace watt), ingantacciyar daidaiton launi, da ƙarin aminci. Fasahar kunshin tana haɓaka don sarrafa cire zafi mafi kyau, yana ba da damar manyan halaye na tuƙi da mafi girman fitar da haske daga ƙananan sawun. Hakanan akwai mayar da hankali kan haɓaka kayan da tsarin da ke kiyaye aiki a cikin faɗin kewayon zafin jiki da tsawon rayuwa. Don LED ɗin masu launi kamar nau'in AllnGaP ja, bincike yana nufin inganta inganci a manyan yawan halin yanzu da haɓaka kwanciyar hankali na wurin launi akan lokaci da yanayin aiki.