Bayanin Fasaha na LED SMD 91-21SUGC/S400-A4/TR7 - 2.0x1.25x1.1mm - 3.5V - 25mA - K'ore Mai Haske - Takardun Fasaha na Hausa

1. Bayanin Samfur

91-21SUGC/S400-A4/TR7 na'urar haɗawa ta saman (SMD) LED ne wanda aka ƙera don ƙananan ƙungiyoyin lantarki masu ƙarfi. Yana da fitar da hasken k'ore mai haske ta amfani da fasahar guntu InGaN wanda aka rufe a cikin resin mai tsabta. Ƙananan ƙafafunsa suna ba da damar rage girman PCB da girma na kayan aiki, yana mai da shi kyakkyawan zaɓi don aikace-aikacen da ke da ƙarancin sarari.

1.1 Muhimman Siffofi da Fa'idodi

• Ƙananan Girma:Marufin ya fi ƙanƙanta fiye da abubuwan da aka jagoranci na al'ada, yana sauƙaƙe ƙananan ƙirar allon, mafi girman yawan abubuwan haɗawa, da rage buƙatun ajiya.
• Daidaitawar Kayan Aiki:Ana ba da shi akan tef na 12mm akan reels na inci 7, yana cikakkiyar dacewa da kayan aikin taro na atomatik, yana tabbatar da daidaiton wurin sanyawa da ingancin masana'antu.
• Daidaitawar Muhalli:Samfurin ba shi da Pb, ya dace da RoHS, EU REACH, da ƙa'idodin marasa halogen (Br <900ppm, Cl <900ppm, Br+Cl <1500ppm).
• Ƙira Mai Sauƙi:Ƙarancin nauyinsa yana da fa'ida don ƙananan na'urorin lantarki masu ɗaukar hoto da ƙanana.
• Marufi Mai Daidaitawa:Ya dace da daidaitaccen marufi na EIA don dacewar masana'antu mai faɗi.

2. Ƙayyadaddun Fasaha da Fassarar Cikakke

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna bayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a tabbatar da aiki a ƙarƙashin ko a waɗannan iyakokin ba.

• Ƙarfin Lantarki na Baya (V_R):5V. Wuce wannan ƙarfin lantarki a cikin bias na baya zai iya haifar da rushewar haɗin gwiwa.
• Halin Yanzu na Gaba (I_F):25mA DC. Halin yanzu na ci gaba bai kamata ya wuce wannan ƙimar ba.
• Kololuwar Halin Yanzu na Gaba (I_FP):Yana jure solder reflow a 260°C na dakika 10 ko solder da hannu a 350°C na dakika 3 kowace tasha.
• Rushewar Wutar Lantarki (P_d):95mW. Matsakaicin wutar lantarki da marufin zai iya watsawa, wanda aka lissafta kamar V_F* I_F.
• Zafin Aiki & Ajiya:-40°C zuwa +85°C (aiki), -40°C zuwa +90°C (ajiye). Yana tabbatar da amincin a cikin kewayon muhalli mai faɗi.
• Zubar da Lantarki Mai Tsanani (ESD):150V (Samfurin Jikin Mutum). Yana buƙatar daidaitattun matakan kula da ESD yayin haɗawa.
• Zafin Solder:Withstands reflow soldering at 260°C for 10 seconds or hand soldering at 350°C for 3 seconds per terminal.

2.2 Halayen Lantarki da Na'ura Mai Gani @ T_a=25°C

Waɗannan su ne ma'auni na ayyuka na yau da kullun a ƙarƙashin daidaitattun yanayin gwaji (I_F=20mA).

• Ƙarfin Hasken (I_v):2000-2300 mcd (Na al'ada). Wannan babban haske yana dacewa don aikace-aikacen nuna alama da hasken baya.
• Kusurwar Dubawa (2θ_1/2):25° (Na al'ada). Kusurwar dubawa mai kunkuntar, yana ba da fitar da haske mai jagora.
• Tsawon Tsawon Kololuwa (λ_p):518 nm (Na al'ada). Tsawon tsawon da fitar da hasken ya fi ƙarfi.
• Tsawon Tsawon Tsawon (λ_d):525 nm (Na al'ada). Launin hasken da aka gane.
• Faɗin Band na Spectral (Δλ):35 nm (Na al'ada). Kewayon tsawon tsawon da aka fitar, wanda ya ta'allaka a kusa da kololuwa.
• Ƙarfin Ƙarfin Gaba (V_F):3.5V (Na al'ada), 4.3V (Max) @ 20mA. Dole ne a yi amfani da madogaran halin yanzu na dindindin ko resistor na jerin don iyakance halin yanzu, kamar yadda V_Fyana da ƙimar zafin jiki mara kyau.
• Halin Yanzu na Baya (I_R):50 µA (Max) @ V_R=5V. Ba a ƙera na'urar don aikin baya ba; wannan ma'auni don dalilai na gwaji ne kawai.

3. Bayanin Tsarin Binning

Takardar bayanin ta nuna amfani da tsarin binning don mahimman ma'auni, kamar yadda aka ambata a cikin bayanin lakabi (CAT, HUE, REF). Wannan tsarin yana tabbatar da daidaiton launi da haske a cikin ƙayyadadden iyaka.

• Matsayin Ƙarfin Hasken (CAT):Yana rarraba LED bisa ga ƙimar hasken da aka auna (misali, 2000-2300 mcd yana iya zama bin ɗaya).
• Matsayin Tsawon Tsawon Tsawon (HUE):Yana rarraba LED bisa ga tsawon tsawon tsawon (misali, kusan 525nm), yana sarrafa daidaiton inuwar k'ore.
• Matsayin Ƙarfin Ƙarfin Gaba (REF):Yana rarraba LED bisa ga raguwar ƙarfin lantarki a wani ƙayyadadden lokaci, yana taimakawa wajen ƙirar da'ira don daidaitaccen tuƙi na halin yanzu.

4. Bincike na Lanƙwasa Ayyuka

Takardar bayanin tana nufin "Lanƙwasa Halayen Lantarki da Na'ura Mai Gani." Duk da cewa ba a nuna su a cikin rubutun da aka bayar, irin waɗannan lanƙwasa yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken da Halin Yanzu na Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, yawanci a cikin dangantakar kusa da layi kafin jikewa.
• Dangantakar Ƙarfin Hasken da Yanayin Yanayi:Yana nuna raguwar fitar da haske yayin da zafin haɗin gwiwa ya ƙaru.
• Ƙarfin Ƙarfin Gaba da Halin Yanzu na Gaba:Lanƙwasa halayen IV na diode.
• Ƙarfin Ƙarfin Gaba da Yanayin Yanayi:Yana nuna ƙimar zafin jiki mara kyau na V_F.
• Rarraba Spectral:Jadawali wanda ke nuna ƙarfi da tsawon tsawon, yana nuna kololuwa a ~518nm da faɗin band na ~35nm.

5. Bayanin Injiniya da Marufi

5.1 Girman Tsarin Marufi

Marufin 91-21 yana da girman girman 2.0mm (L) x 1.25mm (W) x 1.1mm (H). Tolerances suna ±0.1mm sai dai idan an ƙayyade in ba haka ba. Zanen ya ƙididdige mai gano cathode, siffar ruwan tabarau, da wuraren tasha.

5.2 Gano Polarity

Marufin ya haɗa da alamar gani (yawanci notch ko kore a gefen cathode) don gano tashar cathode, wanda yake da mahimmanci don daidaitaccen yanayin PCB.

6. Jagororin Solder da Taro

6.1 Bayanin Solder Reflow (Ba tare da Pb ba)

• Dumama Kafin:150-200°C na dakika 60-120. Matsakaicin ƙimar haɓakawa: 3°C/sec.
• Lokaci Sama da Liquidus (217°C):Dakika 60-150.
• Matsakaicin Zafin Jiki:260°C matsakaici, an riƙe shi na dakika 10 matsakaici.
• Lokaci Sama da 255°C:Dakika 30 matsakaici.
• Ƙimar Sanyaya:Matsakaicin 6°C/sec.
• Zagayowar Reflow:Matsakaicin sau biyu.

6.2 Solder da Hannu

Idan ya cancanta, yi amfani da ƙarfe mai solder tare da zafin ƙarshe <350°C, ƙarfin <25W, da iyakance lokacin tuntuɓar zuwa dakika 3 kowace tasha. Bar tazarar dakika 2 tsakanin solder kowace tasha.

6.3 Ajiya da Hatsarin Danshi

Wannan ɓangaren yana da damuwa ga danshi (MSL).

• Kafin Buɗewa:Ajiye a ≤30°C / ≤90% RH.
• Bayan Buɗewa (Rayuwar Bene):Awat 72 a ≤30°C / ≤60% RH.
• Rebaking:Idan mai nuna desiccant ya canza ko rayuwar bene ta wuce, yi baking a 60±5°C na awanni 24 kafin amfani.

6.4 Muhimman Abubuwan Kariya

• Iyakance Halin Yanzu:Resistor na jerin wajedoledon hana guduwar zafi da konewa saboda ƙimar zafin jiki mara kyau na V_F.
• Kaucewa Damuwa:Kauce wa damuwar injiniya akan LED yayin solder kuma kada ku karkatar da PCB bayan haɗawa.
• Gyara:Ba a ba da shawarar ba. Idan ba za a iya kaucewa ba, yi amfani da ƙarfe mai solder mai kai biyu don dumama tashoshi biyu lokaci guda kuma ku kauce wa girgizar zafi. Tabbatar da aikin bayan gyara.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Marufi

• Tef ɗin Carrier:faɗin 12mm, reel diamita inci 7.
• Adadin kowace Reel:Guda 1000.
• Jakar Mai Jure Danshi:An cika shi da desiccant a cikin jakar kariya ta aluminum mai rufi.

7.2 Bayanin Lakabi

Lakabin reel ya ƙunshi bayanan masu zuwa: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfur (P/N), Lambar Lot (LOT No.), Adadin Tattarawa (QTY), da Lambobin Binning don Ƙarfin Hasken (CAT), Tsawon Tsawon Tsawon (HUE), da Ƙarfin Ƙarfin Gaba (REF).

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Masu nuna matsayi a cikin kayan lantarki na mabukaci (kayan aikin audio/video, na'urorin da ke da wutar baturi).
• Hasken baya don allunan LCD, maɓallan membrane, da alamomin kayan aiki.
• Nuna alama da hasken baya a cikin kayan aikin sarrafa ofis (firintoci, na'urorin sikanin hoto).
• Dashboard da hasken baya na maɓalli na kwamitin sarrafawa a cikin motoci.
• Fitilun nuna alama a cikin na'urorin sadarwa (wayoyi, na'urorin faks).

8.2 Abubuwan Tunani na Ƙira

• Da'irar Direba:Koyaushe yi amfani da tushen halin yanzu na dindindin ko resistor mai iyakance halin yanzu a cikin jerin tare da LED. Lissafa ƙimar resistor ta amfani da R = (V_wadata- V_F) / I_F.
• Gudanar da Zafi:Yayin da ƙarancin wutar lantarki, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi idan ana aiki a manyan yanayin yanayi ko matsakaicin halin yanzu don kiyaye zafin haɗin gwiwa a cikin iyakoki.
• Kariya ta ESD:Aiwatar da kariyar ESD akan layukan shigarwa idan LED ya fallasa ga musanya mai amfani.
• Ƙirar Gani:Kusurwar dubawa 25° tana ba da katako mai mai da hankali. Yi la'akari da bututun haske ko masu watsawa idan ana buƙatar haske mai faɗi.

9. Kwatancen Fasaha da Bambanci

Idan aka kwatanta da tsofaffin LED na rami ko manyan marufi na SMD, 91-21 yana ba da:

• Fa'idar Girma:Ɗaya daga cikin mafi ƙanƙanta daidaitattun marufi na SMD LED, yana ba da damar ƙananan ƙaramin girma.
• Ingancin Hasken:Babban ƙarfin haske don girmansa da amfani da wutar lantarki, godiya ga fasahar InGaN.
• Shirye-shiryen Kayan Aiki:Marufi na tef-da-reel wanda aka inganta don haɗawa mai sauri, yana rage farashin masana'antu idan aka kwatanta da shigar da hannu.
• Jagorancin Daidaitawa:Cikakkiyar dacewa tare da sabbin ƙa'idodin muhalli (RoHS, REACH, Halogen-Free) buƙatu ne na yau da kullun amma har yanzu babban bambanci ne akan tsofaffin sassan da ba su dace ba.

10. Tambayoyin da ake yawan yi (FAQs)

Q1: Me yasa resistor na jerin ya zama dole?

A1: Ƙarfin lantarki na gaba (V_F) yana raguwa yayin da zafin haɗin gwiwa na LED ya tashi. Ba tare da wani abu mai iyakance halin yanzu ba, ƙaramin ƙaruwa a cikin wadataccen ƙarfin lantarki ko raguwa a cikin V_Fzai iya haifar da babban ƙaruwa a cikin halin yanzu, wanda ba a sarrafa shi ba, yana haifar da dumama da gazawa cikin sauri.

Q2: Shin zan iya tuƙi wannan LED tare da wadataccen 5V kai tsaye?

A2: A'a. Tare da V na al'ada_Fna 3.5V, haɗa shi kai tsaye zuwa 5V zai yi ƙoƙarin wuce babban halin yanzu, yana lalata shi nan take. Ana buƙatar resistor na jerin. Misali, mai niyya I_F=20mA: R = (5V - 3.5V) / 0.02A = 75Ω (yi amfani da ƙimar daidaitaccen mafi kusa, misali, 75Ω ko 82Ω).

Q3: Menene ma'anar "Rayuwar Bene" na awanni 72?

A3: Bayan an buɗe jakar kariya daga danshi, ana iya fallasa abubuwan zuwa yanayin yanayin masana'anta (≤30°C/60% RH) har zuwa awanni 72 kafin dole ne a solder su. Wuce wannan lokacin yana haifar da haɗarin fashewar popcorn yayin reflow saboda danshin da aka sha yana ƙafewa. Sassa da ba a yi amfani da su ba dole ne a sake bushewa (rebaked).

Q4: Ta yaya zan gano daidaitaccen polarity?

A4: Koma zuwa zanen tsarin marufi. Ana alama cathode da kore a saman ko notch/chamfer a gefe ɗaya na marufi. Silkscreen ɗin sawun PCB ya kamata ya yi daidai da wannan alama.

11. Ƙira mai Aiki da Amfani da Shari'ar

Yanayi: Ƙirar nuna alamar baturi mai ƙarancin wuta don na'urar ɗaukar hoto.

LED yana buƙatar zama mai haske, ƙanana, da ƙarancin wutar lantarki. 91-21SUGC kyakkyawan zaɓi ne.

Ai watar:Yi amfani da fil ɗin GPIO na microcontroller don tuƙi LED. Fil ɗin zai iya nutsewa / samar da har zuwa 20mA. Haɗa anode LED zuwa filin GPIO ta hanyar resistor mai iyakance halin yanzu. Haɗa cathode zuwa ƙasa. Lissafa ƙimar resistor bisa ga V na MCU_OH(misali, 3.3V). R = (3.3V - 3.5V) / 0.02A = -10Ω. Wannan ƙimar mara kyau tana nuna 3.3V bai isa ya karkatar da LED zuwa 20mA ba. Magani: Ko dai tuƙi LED a ƙaramin halin yanzu (misali, 10mA: R = (3.3V-3.5V)/0.01A, har yanzu yana da matsala) ko kuma yi amfani da GPIO don sarrafa maɓallin transistor da aka haɗa zuwa babban layin ƙarfin lantarki (misali, ƙarfin lantarki na baturi) tare da daidaitaccen resistor na jerin. Wannan shari'ar ta nuna mahimmancin daidaita ƙarfin lantarki na direba zuwa V na LED_F.

12. Gabatar da Ƙa'idar Aiki

Wannan LED ya dogara ne akan guntu na'urar lantarki na Indium Gallium Nitride (InGaN). Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin haɗin gwiwa na diode, ana shigar da electrons da ramuka cikin yanki mai aiki inda suke sake haɗuwa. A cikin wannan tsarin kayan, makamashin da aka saki yayin sake haɗuwa ana fitar da shi azaman photons (haske). Takamaiman abun da ke cikin gami na InGaN yana ƙayyade ƙarfin bandgap, wanda kai tsaye yayi daidai da tsawon tsawon (launi) na hasken da aka fitar—a wannan yanayin, k'ore mai haske (~525 nm). Epoxy resin mai tsabta tana aiki azaman kariya mai rufewa da ruwan tabarau na farko, yana siffata katako mai fitar da haske.

13. Trends na Fasaha

Ci gaban SMD LEDs kamar marufi 91-21 yana bin wasu mahimman abubuwan da suka shafi masana'antu:Ƙananan Girmayana ci gaba da tura girman marufi ƙasa yayin kiyayewa ko inganta fitarwa na gani.Ƙara Ingantaccen Aikita hanyar ci gaban girma na epitaxial da ƙirar guntu yana haifar da mafi girman lumens kowace watt.Ƙara Amincewaana samun shi tare da ingantattun kayan marufi da ƙirar sarrafa zafi.Mafi Faɗin Gamuts na Launia cikin hasken baya na nuni suna tura don LEDs tare da ƙunƙun band na spectral da mafi daidaitaccen sarrafa tsawon tsawon.Haɗin kaiwani trend ne, tare da marufi masu yawa-guntu (RGB, fari) da direbobin LED ana haɗa su cikin modules guda ɗaya. 91-21 yana wakiltar balagagge, ingantaccen batu a cikin juyin halitta na LED na SMD na aji na nuna alama mai launi ɗaya.