Bayanin Fasaha na LED SMD 91-21SYGC/S530-XX/XXX - 2.0x1.25x1.1mm - 2.0V - 40mW - Haske Mai Kyau na Yellow Green - Takardun Fasaha na Hausa

1. Bayanin Samfur

Jerin 91-21 na'urar LED ce da aka ƙera don haɗawa a saman allon lantarki (SMD), wacce aka tsara don aikace-aikacen lantarki na zamani masu ƙarami. Wannan ɓangaren yana amfani da fasahar semiconductor na AlGaInP don samar da fitowar haske mai kyau na Yellow Green, wanda aka rufe shi da resin mai tsabta kamar ruwa. Babban manufar ƙirarsa ita ce ba da damar ƙananan girma da tsarin allon lantarki mai yawan ɓangarori yayin da ake kiyaye aiki mai dogaro.

1.1 Fa'idodi na Asali da Matsayin Samfur

Babban fa'idar LED 91-21 shine ƙarancin sararin da yake ɗauka idan aka kwatanta da ɓangarorin da ke da igiyoyi na gargajiya. Wannan yana ba da damar ƙirar allon lantarki (PCB) mafi ƙanƙanta, yawan ɓangarori mafi girma, ƙarancin buƙatun sararin ajiya, kuma a ƙarshe yana taimakawa wajen haɓaka ƙananan kayan aiki na mai amfani. Ƙarancin nauyinsa ya sa ya dace musamman don aikace-aikace masu ƙanƙanta da na hannu. Bugu da ƙari, an ƙera ɓangaren don dacewa da kayan aikin haɗawa ta atomatik (pick-and-place), wanda ke tabbatar da daidaitaccen sanyawa da ingantaccen ƙira.

1.2 Kasuwa da Aikace-aikace da Ake Nufa

Wannan LED an yi nufin ta ga nau'ikan na'urorin lantarki na masu amfani, masana'antu, da ofis da ke buƙatar ƙananan mafita masu dogaro don nuna alama ko hasken baya. Yanayin aikace-aikace na yau da kullun sun haɗa da, amma ba'a iyakance su ga:

• Masu nuna matsayi don kayan aikin cikin gida.
• Hasken baya don allunan LCD, maɓallan membrane, da alamomin allon sarrafawa.
• Ayyukan nuna alama da hasken baya a cikin kayan aikin sarrafa ofis (misali, firinta, na'urorin sikan).
• Masu nuna matsayin baturi da hasken baya na maɓallai a cikin na'urori masu ƙarami, waɗanda baturi ke motsa su.
• Fitilun nuna alama da hasken baya na nuni a cikin kayan aikin sauti/ bidiyo.
• Hasken baya na dashboard da maɓalli a cikin motoci ko yanayin allon sarrafawa.
• Ayyukan nuna alama da hasken baya a cikin na'urorin sadarwa kamar wayoyi da na'urorin faks.

2. Ƙayyadaddun Fasaha da Fassarar Cikakke

Wannan sashe yana ba da cikakken bayani game da sigogi na lantarki, na gani, da na zafi waɗanda ke ayyana iyakokin aiki da aikin LED.

2.1 Ƙididdiga na Cikakke Mafi Girma

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda bayansu lalacewa na dindindin na iya faruwa ga na'urar. Ba a ba da shawarar yin aiki a ko kusa da waɗannan iyakokin na tsawon lokaci.

• Ƙarfin Wutar Juyawa (V_R): 5 V. Wucewa wannan ƙarfin wutar a cikin juyawar baya na iya haifar da rushewar haɗin gwiwa.
• Halin Yanzu na Gaba na Ci gaba (I_F): 20 mA. Wannan shine shawarar mafi girman halin yanzu na DC don aiki.
• Halin Yanzu na Gaba Mafi Girma (I_FP): 60 mA. Ana yarda da shi kawai a ƙarƙashin yanayin bugun jini (duty cycle 1/10 @ 1 kHz).
• Rushewar Wutar Lantarki (P_d): 60 mW. Mafi girman wutar lantarki da fakitin zai iya watsawa, wanda aka lissafta kamar V_F* I_F.
• Yanayin Zafi na Aiki (T_opr): -40°C zuwa +85°C. Kewayon yanayin zafi don aiki mai dogaro.
• Yanayin Zafi na Ajiya (T_stg): -40°C zuwa +100°C.
• Fitowar Wutar Lantarki ta Electrostatic (ESD): Yana jure 2000 V (Samfurin Jikin Mutum). Daidaitattun hanyoyin sarrafa ESD suna da mahimmanci.
• Yanayin Zafi na Solder: Reflow: 260°C mafi girma na daƙiƙa 10 matsakaici. Solder na hannu: 350°C na daƙiƙa 3 matsakaici kowace tashar.

2.2 Halayen Lantarki da Na Gani (T_a= 25°C)

Waɗannan sigogi suna bayyana matsakaicin aikin LED a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Ƙarfin Hasken (I_v): Ana auna shi a I_F= 20 mA. Ana samunsa a cikin matakai da yawa (E1 zuwa E4), tare da ƙimar yau da kullun daga 198 mcd zuwa 630 mcd. Ana amfani da juzu'i na ±11%.
• Kusurwar Dubawa (2θ_1/2): digiri 25. Wannan yana ayyana yaduwar kusurwar inda ƙarfin haske ya kasance aƙalla rabin mafi girman ƙarfin.
• Matsakaicin Tsawon Zango (λ_p): 575 nm (na yau da kullun). Tsawon zango inda rarraba ƙarfin bakan ya fi girma.
• Tsawon Zango Mai Rinjaye (λ_d): 573 nm (na yau da kullun) tare da juzu'i na ±1 nm. Wannan shine tsawon zango guda ɗaya wanda idon ɗan adam ke gani a matsayin launin hasken.
• Faɗin Bakan (Δλ): 20 nm (na yau da kullun). Faɗin bakan da aka fitar a rabin mafi girman ƙarfin.
• Ƙarfin Wutar Gaba (V_F): 2.0 V (na yau da kullun), daga 1.7 V zuwa 2.4 V a I_F= 20 mA, tare da juzu'i na ±0.1V akan ƙimar yau da kullun.
• Halin Yanzu na Juyawa (I_R): 10 μA (matsakaici) a V_R= 5 V.

3. Bayanin Tsarin Rarraba

An rarraba samfurin zuwa nau'ikan aiki daban-daban don tabbatar da daidaito a cikin ƙirar aikace-aikace. Jagorar zaɓi tana nuna manyan sigogi na rarraba.

3.1 Rarraba Ƙarfin Hasken (CAT)

Ana jera fitowar haske zuwa matakai masu lakabin E1 zuwa E4, kamar yadda aka yi cikakken bayani a cikin tebur na Halayen Lantarki da Na Gani. Dole ne masu ƙira su zaɓi matakin da ya dace bisa ga buƙatun haske don aikace-aikacensu, la'akari da ƙayyadaddun ƙimar mafi ƙanƙanta da na yau da kullun.

3.2 Rarraba Tsawon Zango (HUE)

Ana sarrafa tsawon zango mai rinjaye zuwa ƙaƙƙarfan juzu'i na ±1 nm a kusa da ƙimar yau da kullun na 573 nm. Wannan yana tabbatar da daidaitaccen fahimtar launi a cikin nau'ikan samarwa daban-daban da raka'a.

3.3 Rarraba Ƙarfin Wutar Gaba (REF)

Hakanan an rarraba ƙarfin wutar gaba, tare da ƙimar yau da kullun na 2.0V da juzu'i na ±0.1V. Wannan bayanin yana da mahimmanci don ƙirar da'irar iyakance halin yanzu, musamman a cikin aikace-aikacen da baturi ke motsa su inda sararin ƙarfin wutar lantarki yayi ƙanƙanta.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa masu hoto a cikin takardun bayanai, ana yin binciken nan gaba bisa ga halayen LED na yau da kullun da sigogin da aka bayar.

4.1 Halin Yanzu na Gaba vs. Ƙarfin Wutar Gaba (Lanƙwasa I-V)

LED yana nuna ƙarfin wutar gaba na yau da kullun na 2.0V a 20mA. Kamar kowane diode, V_Fyana da ƙimar zafi mara kyau, ma'ana yana raguwa kaɗan yayin da zafin haɗin gwiwa ya ƙaru. Dole ne a yi la'akari da kewayon V_Fda aka ƙayyade (1.7V-2.4V) a cikin ƙirar direba don tabbatar da daidaitaccen ƙayyadaddun halin yanzu.

4.2 Ƙarfin Hasken vs. Halin Yanzu na Gaba

Ƙarfin haske yana kusan daidai da halin yanzu na gaba a cikin kewayon aiki. Yin aiki sama da mafi girman halin yanzu (20mA DC) zai ƙara fitowar haske amma kuma zai haifar da ƙarin zafi, wanda zai iya haifar da saurin raguwar lumen ko gazawar bala'i.

4.3 Halayen Zafi

Fitowar hasken LED yawanci yana raguwa yayin da zafin haɗin gwiwa ya tashi. Faɗin kewayon yanayin zafi na aiki (-40°C zuwa +85°C) yana nuna ƙaƙƙarfan aiki, amma masu ƙira yakamata su yi la'akari da sarrafa zafi idan ana aiki a yanayin zafi mai girma ko manyan halayen yanzu don kiyaye haske mai daidaito.

5. Bayanin Injiniya da Fakitin

5.1 Girman Tsarin Fakitin (91-21)

The component has a compact SMD footprint. Key dimensions (in mm) include a typical package size. The cathode is typically identified by a marking or a specific pad geometry (e.g., a notch or a green marking as indicated in the label explanation). Precise dimensional drawings are provided in the datasheet for PCB land pattern design.

.2 Polarity Identification

5.2 Gano Polarity

6. Jagororin Solder da Haɗawa

Bin waɗannan jagororin yana da mahimmanci don dogaro da kuma hana lalacewa yayin aikin haɗawa.

6.1 Bayanin Yanayin Solder Reflow (Ba tare da gubar ba)

An ba da shawarar bayanin yanayin zafi:

• Dafaffen Kafin: 150-200°C na daƙiƙa 60-120.
• Lokaci Sama da Liquidus (217°C): daƙiƙa 60-150.
• Matsakaicin Zafi: 260°C matsakaici, an riƙe shi na daƙiƙa 10 matsakaici.
• Lokaci Sama da 255°C: daƙiƙa 30 matsakaici.
• Saurin Dumama/Sanyaya: Matsakaici 3°C/sec (dumama), 6°C/sec (sanyaya).

6.2 Solder na Hannu

Idan solder na hannu ba zai yiwu ba, yi amfani da ƙarfe na solder tare da ƙarshen zafi a ƙasa da 350°C, yin amfani da zafi ga kowace tashar ba fiye da daƙiƙa 3 ba. Yi amfani da ƙarfe mai ƙarancin wutar lantarki (≤25W) kuma a ba da tazarar aƙalla daƙiƙa 2 tsakanin solder kowace tashar don hana girgizar zafi.

6.3 Hancin Danshi da Ajiya

Ana tattara LED ɗin a cikin jakunkunan shinge na danshi.

• Kafin Buɗewa: Ajiye a ≤30°C da ≤90% RH.
• Bayan Buɗewa: "Rayuwar bene" shine sa'o'i 72 a ≤30°C da ≤60% RH. Dole ne a sake rufe sassan da ba a yi amfani da su ba a cikin fakitin hana danshi tare da abin bushewa.
• Gasasshen: Idan lokacin ajiya ya wuce ko abin bushewa ya nuna danshi, a gasa a 60±5°C na awanni 24 kafin amfani.

7. Bayanin Tattarawa da Oda

7.1 Tattarawa na Yau da Kullun

Ana ba da na'urar a cikin tef ɗin ɗaukar kaya mai faɗi 12mm akan reels masu diamita inci 7, waɗanda suka dace da kayan aikin haɗawa ta atomatik. Hakanan ana samun tattarawa mai yawa na guda 1000 kowace jakar.

7.2 Bayanin Alama

Alamar reel ko fakitin ya ƙunshi maɓuɓɓuka masu mahimmanci da yawa:

• CPN: Lambar Samfurin Abokin Ciniki.
• P/N: Lambar Samfurin Masana'anta (misali, 91-21SYGC/S530-XX/XXX).
• LOT No.: Lambar lotin samarwa da za a iya gano shi.
• QTY: Adadin guda a cikin fakitin.
• CAT, HUE, REF: Lambobin Ƙarfin Hasken, Tsawon Zango Mai Rinjaye, da Ƙarfin Wutar Gaba, bi da bi.

8. Abubuwan La'akari na Ƙirar Aikace-aikace

8.1 Iyakance Halin Yanzu Wajibi Ne

Ana buƙatar resistor na iyakance halin yanzu na waje da gaske. Halayen I-V na LED na nuna cewa ƙaramin haɓakar ƙarfin wutar gaba zai iya haifar da babban haɓakar halin yanzu, wanda zai iya lalata. Ana iya ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (V_supply- V_F) / I_F. Koyaushe yi amfani da mafi girman V_Fdaga takardun bayanai don ƙira mai ra'ayin mazan jiya wanda ke tabbatar da cewa I_Fbai wuce 20mA ba a ƙarƙashin mafi munin yanayi.

8.2 Gudanar da Zafi

Ko da yake rushewar wutar lantarki yana da ƙasa (matsakaici 60mW), tabbatar da isasshen nutsewar zafi ta hanyar fakitin PCB yana da kyau, musamman a cikin yanayin yanayin zafi mai girma ko lokacin tuƙi a mafi girman halin yanzu. Wannan yana taimakawa wajen kiyaye daidaitaccen fitowar haske da dogon lokaci na dogaro.

8.3 Kariya ta ESD

Tare da ƙimar juriya ta ESD na 2000V, matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa suna da mahimmanci. Haɗa murƙushe ƙarfin wutar lantarki na wucin gadi akan layukan masu hankali a cikin aikace-aikacen ƙarshe na iya zama dole a cikin yanayi mai tsauri.

9. Kwatancen Fasaha da Bambance-bambance

LED 91-21 ya bambanta kansa ta hanyar haɗakar ƙaramin girma na 2.0x1.25mm, mafi girman ƙarfin haske don girmansa (har zuwa 630 mcd typ.), da takamaiman launin Haske Mai Kyau na Yellow Green da kayan AlGaInP chip suka samar. Idan aka kwatanta da tsofaffin LED na rami, yana ba da tanadin sarari mai yawa. Idan aka kwatanta da sauran LED na SMD, manyan fa'idodinsa sune resin mai tsabta don fitar da haske mafi girma da kuma kusurwar dubawa da aka ayyana, yana sa ya dace da duka matsayin nuna alama da hasken baya inda hasken da aka nufa yake da amfani.

10. Tambayoyin da ake yawan yi (FAQ)

10.1 Wane ƙimar resistor yakamata in yi amfani da shi tare da wadata 5V?

Yin amfani da dabara R = (V_supply- V_F) / I_F, kuma ana ɗauka mafi munin yanayi V_Fna 2.4V da manufa I_Fna 20mA: R = (5V - 2.4V) / 0.02A = 130 Ohms. Mafi kusancin ƙimar da aka saba da ita mafi girma (misali, 150 Ohms) zai ba da gefen aminci, wanda zai haifar da halin yanzu na kusan 17.3mA.

10.2 Zan iya tuƙa wannan LED ba tare da resistor ta amfani da tushen ƙarfin wutar lantarki mai tsayi ba?

No.Wannan tabbas zai lalata LED. Ƙarfin wutar gaba ba ƙima ce ta ƙayyadadden ba amma halayen haɗin diode ne. Tushen ƙarfin wutar lantarki mai tsayi da aka saita zuwa V_Fna yau da kullun (2.0V) ba zai daidaita halin yanzu ba, kuma ƙananan bambance-bambance ko canje-canjen zafi zai haifar da kwararar halin yanzu mara sarrafawa.

10.3 Ta yaya zan gano cathode?

Koma ga zanen tsarin fakitin a cikin takardun bayanai. Yawanci ana nuna cathode da alamar kore a saman ko gefen fakitin, ko ta takamaiman fasali a cikin tsarin fakitin (misali, fakitin cathode na iya zama murabba'i yayin da anode yake zagaye, ko akasin haka).

11. Ƙirar Aiki da Yanayin Amfani

Yanayi: Ƙirar mai nuna alamar baturi mai ƙarancin wutar lantarki don na'urar hannu.Na'urar tana amfani da wadata mai ƙayyadaddun 3.3V. Manufar ita ce samun LED mai haske sosai lokacin da baturi ya yi ƙasa. An zaɓi LED 91-21 daga rukunin E3 (400-630 mcd) don kyakkyawar gani. Lissafi: R = (3.3V - 2.4V) / 0.02A = 45 Ohms. An zaɓi resistor na yau da kullun na 47 Ohm. Filin GPIO na microcontroller, wanda aka saita azaman fitarwa mai buɗe rami, yana nutse halin yanzu zuwa ƙasa don kunna LED. Ƙaramin girman 91-21 yana ba shi damar shiga cikin ƙaramin yanki a cikin cunkoson PCB na na'urar hannu.

12. Ka'idar Aiki

LED tana aiki bisa ka'idar electroluminescence a cikin haɗin gwiwar p-n semiconductor. Kayan guntu shine Aluminum Gallium Indium Phosphide (AlGaInP). Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce ƙarfin da aka gina a cikin haɗin gwiwa, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki inda suke sake haɗuwa. Wannan taron sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlGaInP yana ƙayyade ƙarfin bandgap, wanda kuma ya ayyana tsawon zango (launi) na hasken da aka fitar, a wannan yanayin, Haske Mai Kyau na Yellow Green (~573 nm). Resin epoxy mai tsabta kamar ruwa yana kare guntu kuma yana aiki azaman ruwan tabarau, yana siffata fitowar haske zuwa ƙayyadaddun kusurwar dubawa na digiri 25.

13. Trends na Fasaha

LED 91-21 yana wakiltar fasaha mai girma kuma mai dogaro a cikin babban yanayin ƙananan lantarki. Ci gaba da haɓakawa a cikin LED na SMD yana mai da hankali kan manyan fagage da yawa: ƙara ingantaccen haske (ƙarin fitowar haske kowace watt na shigarwar lantarki), inganta daidaiton launi da ma'aunin nuna launi (CRI) don aikace-aikacen haske, haɓaka girman fakitin da ya taɓa ƙanƙanta (misali, 01005, micro-LEDs), da haɓaka dogaro a ƙarƙashin yanayin zafi da ɗanɗano mafi girma. Bugu da ƙari, haɗa kayan aikin sarrafa lantarki kai tsaye tare da mutuwar LED (misali, LED masu tuƙi IC) shine yanayin girma don aikace-aikacen haske mai hankali. 91-21, tare da mayar da hankali kan takamaiman launi da ƙananan matsayin nuna alama/hasken baya, ya kasance muhimmin ɓangare kuma ana amfani da shi sosai a cikin wannan yanayin da ke canzawa.