Takardar Bayanin Fasaha na SMD LED 25-21/GHC-YSU/2A - Girman 2.5x2.1mm - Ƙarfin Wutar Lantarki 3.5V - Kori mai haske - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfurin

25-21/GHC-YSU/2A wata LED ce da ake haɗawa ta hanyar SMD wacce aka tsara don aikace-aikacen lantarki na zamani waɗanda ke buƙatar ƙaramin girma, amintaccen aiki, da ingantaccen aiki. Wannan ɓangaren na cikin dangin LED waɗanda ke da ƙaramin girma kuma sun dace da hanyoyin haɗawa ta atomatik.

1.1 Fa'idodi na Asali da Matsayin Samfurin

Babban fa'idar wannan LED shine ƙaramin girman ta idan aka kwatanta da naɗaɗɗen nau'ikan LED na gargajiya. Wannan ƙaramin girma yana ba da fa'idodi masu mahimmanci ga masu zane da masana'antu:

• Ingantaccen Amfani da Sarari:Yana ba da damar ƙirar allon lantarki (PCB) mafi ƙanƙanta, wanda ke haifar da samfuran ƙarshe mafi ƙanƙanta.
• Yawan Ƙaddamarwa Mai Yawa:Yana ba da damar sanya ɗimbin kayan aiki a cikin wani yanki, wanda ya dace da haɗaɗɗun kayan lantarki.
• Rage Sararin Ajiya da Kayan Sufuri:Ƙaramin girman kayan aiki da kuma marufi na tef da reel suna rage buƙatun sararin ajiya.
• Ginin Mai Sauƙi:Ya sa LED ta dace da aikace-aikacen ɗaukar kaya da ƙanana inda nauyi ya zama muhimmin al'amari.
• Daidaitawar Masana'antu:Ana ba da na'urar a cikin tef mai girman 8mm akan reels masu diamita 7-inch, wanda ya sa ta cikakke da dacewa da na'urorin ɗauka da sanyawa na atomatik da ake amfani da su wajen samarwa mai yawa.

1.2 Kasuwa da Ayyukan da Ake Nufi

An yi niyya ga wannan LED ga faɗin kasuwannin lantarki na kasuwanci da masana'antu. Ma'auninta sun sa ta dace da duka ayyukan nuna alama da hasken baya. Manyan wuraren aikace-aikace sun haɗa da:

• Cikin Motoci:Hasken baya don kayan aikin dashboard, maɓalli, da allunan sarrafawa.
• Kayan Aikin Sadarwa:Alamomin yanayi da hasken baya na maɓalli a cikin na'urori kamar wayoyi da na'urorin faks.
• Kayan Lantarki na Masu Amfani:Hasken baya mai lebur don nunin ruwa (LCD), hasken maɓalli, da hasken alama.
• Nuna Alama na Gabaɗaya:Duk wani aikace-aikace da ke buƙatar amintaccen hasken alama mai haske na kore.

2. Bincike mai zurfi na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani game da ma'auni na lantarki, haske, da zafi waɗanda ke ayyana iyakokin aiki da aikin LED.

2.1 Matsakaicin Ma'auni na Gabaɗaya

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba kuma ya kamata a guje su a cikin ƙira masu aminci.

• Ƙarfin Wutar Lantarki na Baya (V_R):5 V. Wuce wannan ƙarfin wutar lantarki a cikin hanyar baya zai iya haifar da rushewar haɗin gwiwa.
• Ci gaba da Wutar Lantarki na Gaba (I_F):25 mA. Matsakaicin wutar lantarki DC da za a iya amfani da ita akai-akai.
• Kololuwar Wutar Lantarki na Gaba (I_FP):100 mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini tare da cikakken aiki na 1/10 a 1 kHz. Yana da amfani ga yawan aiki ko yanayin tuƙi na ɗan lokaci.
• Rushewar Wutar Lantarki (P_d):95 mW. Matsakaicin wutar lantarki da kayan marufi zai iya watsawa, wanda aka lissafta kamar V_F* I_F.
• Yanayin Aiki & Ajiya:-40°C zuwa +85°C (aiki), -40°C zuwa +90°C (ajiye). Wannan faɗin kewayon yana tabbatar da aminci a cikin mawuyacin yanayi.
• Zubar da Wutar Lantarki (ESD):Matsayin ƙirar Jikin Mutum (HBM) na 150V. Wannan matakin farko ne na kariyar ESD; daidaitattun hanyoyin gudanarwa suna da mahimmanci.
• Zafin Solder:Yana jure wa solder reflow a 260°C na dakika 10 ko solder da hannu a 350°C na dakika 3 kowace tasha.

2.2 Halayen Wutar Lantarki da Hasken

Waɗannan ma'auni, waɗanda aka auna a daidaitaccen zafin haɗin gwiwa na 25°C da wutar lantarki na gaba na 20mA, suna ayyana fitowar haske da halayen lantarki na LED.

• Ƙarfin Hasken (I_v):Ya bambanta daga mafi ƙanƙanta na 180 mcd zuwa mafi girma na 715 mcd, tare da ƙimar da aka nuna ta tsarin rarraba. Fitowar hasken yana da ƙimar kuskure na ±11%.
• Kusurwar Kallo (2θ_1/2):Digiri 60 (na al'ada). Wannan shine cikakken kusurwar da ƙarfin hasken ya faɗi zuwa rabin ƙimar kololuwar sa, yana ayyana yaduwar katako.
• Kololuwar Tsawon Zangon Hasken (λ_p):518 nm (na al'ada). Tsawon zangon hasken da rarraba ikon haske ya fi girma.
• Babban Tsawon Zangon Hasken (λ_d):Ya bambanta daga 520 nm zuwa 535 nm. Wannan shine fahimtar tsawon zangon haske guda ɗaya na launin LED ta idon ɗan adam kuma yana ƙarƙashin ƙaƙƙarfan ƙimar kuskure na ±1 nm. Shi ne babban ma'auni don rarraba launi.
• Faɗin Bakan Hasken (Δλ):35 nm (na al'ada). Faɗin bakan hasken da aka fitar a rabin mafi girman ikonsa.
• Ƙarfin Wutar Lantarki na Gaba (V_F):3.5 V (na al'ada), tare da matsakaicin 4.3 V a 20mA. Wannan ma'auni yana da mahimmanci don ƙirar da'irar takaita wutar lantarki.
• Wutar Lantarki ta Baya (I_R):Matsakaicin 50 µA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya na 5V.

3. Bayanin Tsarin Rarraba (Binning)

Don tabbatar da daidaito a cikin haske da launi don samarwa, ana rarraba LED ɗin zuwa kwandon shara. Wannan yana ba masu zane damar zaɓar sassa waɗanda suka cika takamaiman buƙatun aikace-aikace.

3.1 Rarraba Ƙarfin Hasken

Ana rarraba LED ɗin zuwa kwandon shara guda uku dangane da ƙarfin hasken da aka auna a I_F= 20mA:

• Kwandon S:180 mcd (Mafi ƙanƙanta) zuwa 285 mcd (Mafi girma)
• Kwandon T:285 mcd (Mafi ƙanƙanta) zuwa 450 mcd (Mafi girma)
• Kwandon U:450 mcd (Mafi ƙanƙanta) zuwa 715 mcd (Mafi girma)

Ana nuna lambar kwandon (misali, S, T, U) akan alamar marufi (filin CAT).

3.2 Rarraba Tsawon Zangon Hasken (Dominant Wavelength)

Hakanan ana rarraba LED ɗin ta hanyar babban tsawon zangon haskensu don sarrafa daidaiton launi. An rarrabe su kuma an rarraba su kamar haka:

• Ƙungiya Y:
  • Kwandon X:520 nm zuwa 525 nm
  • Kwandon Y:525 nm zuwa 530 nm
  • Kwandon Z:530 nm zuwa 535 nm

Ana nuna lambar ƙungiya da kwandon don tsawon zangon haske (misali, YX, YY, YZ) akan alamar marufi (filin HUE).

4. Bayanin Injiniya da Kayan Marufi

4.1 Girman Kayan Marufi

LED tana da ƙaramin nau'in marufi na SMD mai salon "guntu". Manyan ma'auni (a cikin milimita) sun haɗa da girman jiki kusan 2.5mm tsawon da 2.1mm faɗin. Cikakkun zane-zane na injiniya a cikin takardar bayanin suna ƙayyadad da ainihin tsarin kushin, tsayin kayan aiki, da ƙimar kuskure (yawanci ±0.1mm sai dai idan an lura da haka). Daidaitaccen ƙirar kushin yana da mahimmanci don amincin haɗin solder da daidaitawar daidai yayin reflow.

4.2 Marufi da Gudanarwa

Ana ba da kayan aiki a cikin marufi mai hankali ga danshi (MSD) don hana lalacewa daga danshin yanayi yayin ajiya da sufuri.

• Tef ɗin ɗaukar kaya:Ana ɗora kayan aiki cikin tef mai faɗin 8mm.
• Reel:Ana nannade tef ɗin akan daidaitaccen reel mai diamita 7-inch, tare da yawan kayan da aka ɗora na guda 2000 kowace reel.
• Jakar Kariya daga Danshi (MBB):Ana rufe reel ɗin a cikin jakar kariya daga danshi mai lamination na aluminum tare da katin nuna danshi da abin bushewa.

4.3 Bayanin Alama

Alamar reel ɗin ta ƙunshi mahimman bayanai don bin sawu da daidaitaccen aikace-aikace:

• CPN (Lambar Samfurin Abokin Ciniki)
• P/N (Lambar Samfurin Masana'anta: 25-21/GHC-YSU/2A)
• QTY (Yawan Marufi)
• CAT (Lambar Kwandon Ƙarfin Hasken: S, T, ko U)
• HUE (Lambar Kwandon Launi/Tsawon Zangon Hasken: misali, YX)
• REF (Matsayin Ƙarfin Wutar Lantarki na Gaba, idan ya dace)
• LOT No (Lambar Rukunin Masana'anta don bin sawu)

5. Jagororin Solder da Haɗawa

Bin waɗannan jagororin yana da mahimmanci don samun amintattun haɗin solder ba tare da lalata LED ba.

5.1 Bayanin Yanayin Solder na Reflow

LED ta dace da hanyoyin reflow na infrared da tururi. An ba da shawarar bayanin reflow mara gubar:

• Dumama Kafin:Hawa daga yanayin zuwa 150-200°C sama da dakika 60-120.
• Jiƙa/Dumama Kafin:Kiyaye tsakanin 150-200°C.
• Reflow:Hawa cikin sauri a matsakaicin ƙimar 3°C/sec zuwa kololuwar zafin jiki.
• Kololuwar Zafin Jiki:Matsakaicin 260°C, an riƙe sama da 217°C na dakika 60-150, kuma sama da 255°C na matsakaicin dakika 30. Lokacin a 260°C bai kamata ya wuce dakika 10 ba.
• Sanyaya:Sanyaya a matsakaicin ƙimar 6°C/sec.

Muhimmin Bayanin Kula:Bai kamata a yi solder reflow fiye da sau biyu akan haɗin LED ɗaya ba.

5.2 Umarnin Solder da Hannu

Idan solder da hannu ya zama dole, dole ne a yi taka tsantsan sosai:

• Yi amfani da ƙarfe mai solder tare da zafin ƙarshen bai wuce 350°C ba.
• Yi amfani da zafi ga kowace tasha na matsakaicin dakika 3.
• Yi amfani da ƙarfe mai ƙimar wutar lantarki 25W ko ƙasa da haka.
• Bari tazarar aƙalla dakika 2 tsakanin solder kowace tasha don hana tarin zafi.
• Guije wa damuwa na injiniya akan LED yayin ko bayan solder.

5.3 Gyara da Gyaran

Ana ƙarfafa guje wa gyara bayan solder. Idan babu makawa, dole ne a yi amfani da ƙarfe mai solder na musamman mai kai biyu don dumama tashoshi biyu lokaci ɗaya, yana ba da damar cirewa ba tare da matsanancin damuwa na jujjuyawa akan haɗin solder ba. Yuwuwar lalacewa yana da yawa, kuma ba za a iya tabbatar da halayen LED bayan gyara ba.

6. Ajiya da Kula da Danshi

A matsayin na'urar mai hankali ga danshi, dole ne a bi ƙa'idodin ajiya don hana "fasar gasa" ko rabuwa na ciki yayin reflow.

• Jakar da Ba a Buɗe ba:Ajiye a ≤30°C da ≤90% Danshin Dangi.
• Rayuwar Ƙasa:Da zarar an buɗe jakar kariya daga danshi, dole ne a yi amfani da LED ɗin cikinsauri 168 (kwanaki 7).
• Sake Yin Jakar:Idan ba a yi amfani da su cikin rayuwar ƙasa ba, dole ne a sake rufe sassan da ba a yi amfani da su ba a cikin jakar kariya daga danshi tare da sabon abin bushewa.
• Gasasshen:Idan mai nuna danshi ya nuna wuce gona da iri na danshi ko kuma an wuce rayuwar ƙasa, dole ne a gasa LED ɗin a 60 ±5°C na awa 24 kafin amfani da su don fitar da danshi.

7. Abubuwan da Ya Kamata a Yi la'akari da su a Zance

7.1 Dole ne a Yi amfani da Mai Takaita Wutar Lantarki

Takardar bayanin ta yi gargadi a sarari:"Abokin ciniki dole ne ya yi amfani da resistors don kariya, in ba haka ba ƙaramin canjin ƙarfin wutar lantarki zai haifar da babban canjin wutar lantarki (Konewa zai faru)."LED suna nuna alaƙar V-I mara layi, mai yawa. Ƙaramin ƙaruwa a cikin ƙarfin wutar lantarki na gaba fiye da ƙimar al'ada zai iya haifar da babban ƙaruwa, mai yuwuwar lalacewa, a cikin wutar lantarki. Wani resistor na waje mai takaita wutar lantarki ko da'irar tuƙi mai wutar lantarki akai-akai yana da mahimmanci ga aiki mai aminci.

7.2 Gudanar da Zafi

Duk da yake kayan marufi suna da ƙimar watsawar wutar lantarki na 95mW, ingantaccen gudanar da zafi shine mabuɗin don kiyaye aiki da tsawon rai. Yin aiki a ko kusa da matsakaicin wutar lantarki na gaba (25mA) zai haifar da zafi. Masu zane ya kamata su tabbatar da isasshen yanki na tagulla na PCB (kushin taimakon zafi) don taimakawa wajen watsar da zafi, musamman a cikin yanayin yanayi mai zafi ko lokacin da aka taru LED da yawa.

7.3 Hani na Aikace-aikace

Takardar bayanin ta ƙunshi bayanin kula game da aikace-aikacen aminci mai girma. An yi niyya ga wannan samfurin don amfanin kasuwanci da masana'antu na gabaɗaya. An bayyana a sarari cewa bazai dace da aikace-aikacen da ke buƙatar aminci mai girma ba, kamar:

• Tsarin Soja/Sararin Samaniya
• Tsarin Tsaro/Tsaro na Motoci (misali, sarrafa jakar iska, fitilun birki)
• Kayan Taimakon Rayuwa na Likita

Don irin waɗannan aikace-aikace, dole ne a samo kayan aiki tare da cancanta da ma'auni daban-daban.

8. Bin Ka'idojin Muhalli da Gudanarwa

An tsara samfurin don cika wasu mahimman ka'idojin muhalli na duniya:

• Bin RoHS:Samfurin ba shi da ƙayyadaddun abubuwa masu haɗari kamar yadda dokar EU ta Hana Abubuwa masu haɗari ta tanada.
• Mara Gubar:Ƙarshen aiki da tsarin solder ba su da gubar.
• Bin EU REACH:Yana bin ka'idar Rajista, Kimantawa, Izini da Hana Sinadarai.
• Mara Halogen:Yana bin buƙatun mara halogen, yana ƙunshe da ƙasa da 900 ppm Bromine (Br), ƙasa da 900 ppm Chlorine (Cl), kuma jimlar Br+Cl ƙasa da 1500 ppm.

9. Kwatancen Fasaha da Bambance-bambance

25-21/GHC-YSU/2A ta bambanta kanta a cikin kasuwar SMD LED ta hanyar sifofi masu mahimmanci da yawa:

• Girman Kayan Marufi:Girman 2.5x2.1mm girma ne na gama gari amma mai inganci, yana daidaita fitowar haske da sararin allon. Ya fi ƙanƙanta fiye da naɗaɗɗen LED na gargajiya na 3mm da 5mm, yana ba da damar ƙirar ƙanƙanta na zamani.
• Fasahar Kayan Aiki:Yin amfani da guntu na InGaN (Indium Gallium Nitride), yana samar da launin kore mai haske. Fasahar InGaN sananne ce don ingancinta da ikon samar da haske mafi guntu (shuɗi, kore, fari) idan aka kwatanta da tsofaffin fasahohi kamar AlGaAs (ja).
• Aikin Hasken:Tare da ƙarfin haske har zuwa 715 mcd da kusurwar kallo na digiri 60, yana ba da daidaitaccen daidaito tsakanin haske da yaduwar katako don duka rawar nuna alama da hasken baya.
• Ƙarfi:Haɗa kariyar ESD ta asali (150V HBM) da faɗin kewayon zafin aiki (-40°C zuwa +85°C) yana ba da matakin ƙarfi wanda ya dace da yawancin muhallin da ba su da mahimmanci.

10. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

Tambaya: Wane ƙimar resistor ne ya kamata in yi amfani da shi don tuƙi wannan LED a 20mA daga wadataccen wutar lantarki na 5V?

A: Yin amfani da Dokar Ohm (R = (V_wadata- V_F) / I_F) da kuma na al'ada V_Fna 3.5V: R = (5V - 3.5V) / 0.020A = 75 Ohms. Daidaitaccen resistor na 75Ω ko 82Ω zai dace. Koyaushe lissafta ta amfani da matsakaicin V_F(4.3V) don tabbatar da cewa wutar lantarki ba ta wuce iyakoki ba a cikin mafi munin yanayi.

Tambaya: Shin zan iya amfani da wannan LED don aikace-aikacen waje?

A: Kewayon zafin aiki na -40°C zuwa +85°C yana nuna cewa zai iya jure wa faɗin yanayin yanayi. Duk da haka, takardar bayanin ba ta ƙayyade ƙimar Kariya daga Shiga (IP) don kayan marufi da kansa ba. Don amfani da waje, LED ɗin zai buƙaci kariya daga fallasa kai tsaye ga ruwa da gurɓataccen abu ta hanyar rufin samfurin ƙarshe ko rufi mai daidaitawa akan PCB.

Tambaya: Alamar ta nuna CAT="T" da HUE="YY". Me wannan ke nufi?

A> Wannan yana nufin cewa LED ɗin da ke kan wannan reel suna daga Kwandon Ƙarfin Hasken T (285-450 mcd) da Kwandon Tsawon Zangon Hasken YY (525-530 nm a cikin Ƙungiyar Y). Wannan bayanin yana da mahimmanci don tabbatar da haske da daidaiton launi a cikin samarwarku.

Tambaya: Me yasa ajiya da rayuwar ƙasa suke da mahimmanci haka?

A> Resin ɗin filastik (mai ɗauke da abu) na kayan marufi na SMD na iya ɗaukar danshi daga iska. A lokacin babban zafin jiki na tsarin solder reflow, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da matsa lamba na ciki. Wannan na iya haifar da fashewar kayan marufi ("gasasshen gasa") ko rabuwa a ciki, yana haifar da gazawa nan take ko rage amincin dogon lokaci.