Bayanin Fasaha na LED na SMD LTST-108TGKT - Ruwa Bayyananne - InGaN Kore - 2.8-3.8V - 80mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakken bayanin fasaha na LTST-108TGKT, na'urar haske mai haɓaka (LED) mai hawa a saman (SMD). An tsara wannan kayan don tsarin haɗa allon da'ira da aka buga (PCB) ta atomatik kuma ya dace da aikace-aikacen da sarari ya zama mahimmanci. LED yana da ruwa bayyananne kuma yana amfani da kayan semiconductor Indium Gallium Nitride (InGaN) don samar da hasken kore.

Babban burin ƙira na wannan jerin LED ya haɗa da ƙaramin girma, dacewa da manyan kayan aikin ɗauka da sanyawa, da amincin ta hanyar daidaitattun hanyoyin gudanar da IR reflow. Waɗannan halaye sun sa ya zama kayan aiki mai fa'ida don masana'antar lantarki na zamani.

1.1 Siffofi

• Ya bi ka'idojin Takunkumin Abubuwa masu haɗari (RoHS).
• An shirya shi a cikin tef na 8mm akan reels mai diamita 7-inch don sarrafawa ta atomatik.
• Tsarin fakitin daidaitacce ya bi ƙa'idodin Ƙungiyar Masana'antu ta Lantarki (EIA).
• Halayen shigarwa/fitarwa sun dace da matakan dabaru na daidaitaccen da'ira (IC).
• An tsara shi don dacewa da injinan sanya kayan aiki ta atomatik.
• Ya dace da hanyoyin gudanar da IR reflow da aka saba amfani da su a fasahar hawa a saman (SMT).
• An riga an shirya shi don sauri zuwa matakin ɗanɗano na hazo na Majalisar Injiniyan Kayan Lantarki (JEDEC) 3.

1.2 Aikace-aikace

An yi amfani da wannan LED a cikin kayan lantarki iri-iri. Yankunan aikace-aikacen yau da kullun sun haɗa da:

• Kayan Sadarwa:Alamomin matsayi akan na'urorin hanyar sadarwa, modem, da masu sauya hanyar sadarwa.
• Sarrafa Ofis:Fitilun panel akan na'urorin bugawa, na'urori masu dubawa, da na'urori masu ayyuka da yawa.
• Kayan Amfani na Masu Amfani:Alamomin wutar lantarki da aiki akan kayan lantarki na gida daban-daban.
• Kayan Aikin Masana'antu:Allunan matsayin inji da kuskure.
• Alamar Matsayi:Fitilun wutar lantarki na gabaɗaya, jiran aiki, ko aiki.
• Hasken Alama da Alama:Hasken baya don gumaka ko alamomi akan allunan sarrafawa.
• Hasken Baya na Panel na Gaba:Hasken maɓallai ko maɓallan maɓalli.

2. Girman Fakitin

Tsarin injiniya na LTST-108TGKT yana bin daidaitaccen sawun LED na SMD. An ba da duk mahimman girma a cikin zane-zanen bayanan bayanan hukuma. Muhimman bayanan game da girma sun haɗa da:

• Duk girma na layi an ƙayyade su a cikin millimeters (mm).
• Daidaitaccen jurewa don girma da ba a bayyana ba shine ±0.1 mm (wanda kusan ±0.004 inches ne).

Gano Lambar Sashi:

Launi na Ruwa: Ruwa Bayyananne

Launi na Tushen Hasken: InGaN Kore

3. Ƙimar da Halaye

Wannan sashe yana bayyana iyakokin aiki da sigogin aiki a ƙarƙashin ƙayyadaddun yanayin gwaji. Wucewa iyakar ƙimar ƙima na iya haifar da lalacewa ta dindindin ga na'urar.

3.1 Matsakaicin Ƙimar Ƙima

An ƙayyade ƙimar a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):80 mW - Matsakaicin jimlar wutar lantarki da na'urar za ta iya watsarwa.
• Matsakaicin Halin Gaba (I_F(peak)):100 mA - Matsakaicin halin da ake iya yarda da shi a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms).
• Matsakaicin Halin Gaba (I_F):20 mA - Matsakaicin halin DC na ci gaba da aka ba da shawarar.
• Kewayon Zafin Aiki (T_opr):-40°C zuwa +85°C - Kewayon zafin muhalli don aiki na yau da kullun.
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +100°C - Kewayon zafin aminci ga na'urar lokacin da ba a kunna wutar lantarki ba.

3.2 Shawarar Bayanin IR Reflow

Don hanyoyin gudanar da maras gubar (Pb-free), ana ba da shawarar bayanin reflow wanda ya bi ka'idar J-STD-020B. Bayanin yawanci ya haɗa da yankin riga-kafi, yankin jiƙa zafi, yankin reflow tare da matsakaicin zafin jiki, da yankin sanyaya. Muhimman sigogi sune:

• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokacin Sama da Liquidus (TAL):Yawanci ana ba da shawarar ya kasance cikin ƙayyadaddun iyakoki (misali, 30-90 seconds).
• Ƙimar Ramp:An sarrafa ƙimar dumama da sanyaya don hana girgiza zafi.

Yana da mahimmanci a lura cewa mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, manna gudanar, da halayen tanda. Bayanin da aka bayar yana aiki azaman jagora na gabaɗaya dangane da ƙa'idodin JEDEC.

3.3 Halayen Lantarki da Na Gani

Ana auna waɗannan sigogi a Ta=25°C da I_F=20mA, sai dai in an faɗi.

• Ƙarfin Hasken (I_V):355 - 900 millicandelas (mcd). An auna ta amfani da na'urar gano wanda aka tace don dacewa da madaidaicin madaidaicin madaidaicin ido na CIE.
• Kusurwar Dubawa (2θ_1/2):110 digiri (na yau da kullun). An bayyana shi azaman cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar axial (on-axis).
• Matsakaicin Tsawon Tsawon Watsawa (λ_p):518 nm (na yau da kullun). Tsawon tsawon da ƙarfin fitarwa na gani ya fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):520 - 535 nm. Tsawon tsawon guda ɗaya da idon ɗan adam ya gane wanda ke bayyana launi. Jurewa shine ±1 nm.
• Rabin Faɗin Layin Bakan (Δλ):35 nm (na yau da kullun). Faɗin bakan watsawa a rabin matsakaicin ƙarfinsa.
• Ƙarfin Gaba (V_F):2.8 - 3.8 Volts. Faɗin wutar lantarki a kan LED lokacin da yake gudanar da 20mA. Jurewa shine ±0.1V.
• Matsakaicin Baya (I_R):10 μA (matsakaici) a Ƙarfin Baya (V_R) na 5V.Mahimmanci:Ba a tsara wannan na'urar don aiki a ƙarƙashin karkatar da baya ba; wannan sigogi ne don dalilai na bayanai/gwaji kawai.

4. Tsarin Matsayin Kwandon

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED (kwandon) bisa ga mahimman sigogi. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman ma'auni na aiki don aikace-aikacensu.

4.1 Ƙarfin Gaba (V_F) Matsayi

An yi kwandon a I_F= 20mA. Jurewa a cikin kowane kwandon shine ±0.10V.

• D7:2.8V (Min) - 3.0V (Max)
• D8:3.0V - 3.2V
• D9:3.2V - 3.4V
• D10:3.4V - 3.6V
• D11:3.6V - 3.8V

4.2 Ƙarfin Hasken (I_V) Matsayi

An yi kwandon a I_F= 20mA. Jurewa a cikin kowane kwandon shine ±11%.

• T2:355.0 mcd (Min) - 450.0 mcd (Max)
• U1:450.0 mcd - 560.0 mcd
• U2:560.0 mcd - 710.0 mcd
• V1:710.0 mcd - 900.0 mcd

4.3 Matsakaicin Tsawon Tsawon (WD) Matsayi

An yi kwandon a I_F= 20mA. Jurewa a cikin kowane kwandon shine ±1 nm.

• AP:520.0 nm (Min) - 525.0 nm (Max)
• AQ:525.0 nm - 530.0 nm
• AR:530.0 nm - 535.0 nm

5. Madaidaicin Lankwasa Aiki

Bayanan bayanan sun haɗa da siffofi na hoto na mahimman halaye, yawanci ana tsara su akan halin gaba ko zafin muhalli. Waɗannan lankwasa suna ba da haske game da halayen na'urar a ƙarƙashin yanayin da ba daidai ba. Lankwasa na gama gari sun haɗa da:

• Dangantakar Ƙarfin Hasken da Halin Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, sau da yawa yana zama ƙaramin layi a manyan halayen saboda dumama.
• Ƙarfin Gaba da Halin Gaba:Yana nuna halayen I-V na diode.
• Dangantakar Ƙarfin Hasken da Zafin Muhalli:Yana kwatanta raguwar fitar da haske yayin da zafin haɗin ya tashi.
• Rarraba Bakan:Tsarin ƙarfin dangi da tsawon tsawon, yana nuna siffa da faɗin bakan hasken da aka fitar.

Waɗannan lankwasa suna da mahimmanci don ƙirar da'irori da tsarin sarrafa zafi don cimma daidaitaccen aiki.

6. Jagorar Mai Amfani da Sarrafawa

6.1 Tsaftacewa

Idan tsaftacewa bayan gudanar da aiki ya zama dole, yi amfani da kawai abubuwan da aka amince da su. Ku nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya. Kada ku yi amfani da masu tsaftacewa na sinadarai da ba a bayyana ba saboda suna iya lalata ruwan ruwa na epoxy ko fakitin.

6.2 Shawarar Tsarin Pad na PCB

An ba da shawarar tsarin ƙasa (sawun) don PCB don tabbatar da ingantaccen gudanar da aiki da kwanciyar hankali na injiniya. Wannan ya haɗa da girman da siffar tagulla na anode da cathode, da kuma buɗe abin rufe fuska na gudanar da aiki da aka ba da shawarar. Yin bin wannan tsarin yana taimakawa cimma haɗin gudanar da aiki mai aminci yayin reflow.

6.3 Tef da Fakitin Reel

Ana ba da LED a cikin tef mai ɗaukar kaya tare da tef mai kariya, an nannade shi akan reels mai diamita 7-inch (178mm). Daidaitaccen fakitin yana ƙunshe da guda 4000 a kowane reel. Muhimman bayanan fakitin:

• Bukatun fanko a cikin tef an rufe su da tef mai rufewa.
• Ana samun mafi ƙarancin adadin oda na guda 500 don ragowar.
• Ana ba da izinin mafi girman abubuwan da suka ɓace guda biyu a jere a kowane ƙayyadaddun reel.
• Fakitin ya bi ƙa'idodin ANSI/EIA-481.

7. Muhimman Gargaɗi da Bayanan Amfani

7.1 Aikace-aikacen Da Ake Nufi

An tsara waɗannan LED don amfani da su a cikin daidaitattun kayan lantarki na kasuwanci da masana'antu. Ba a ƙididdige su ko an yi niyya don aikace-aikacen aminci masu mahimmanci inda gazawar za ta iya haifar da haɗari kai tsaye ga rayuwa ko lafiya, kamar a cikin jiragen sama, tallafin rayuwa na likita, ko tsarin sarrafa sufuri. Don irin waɗannan aikace-aikacen, dole ne a yi amfani da abubuwan da suka dace da takaddun aminci.

7.2 Yanayin Ajiya

Daidaitaccen ajiya yana da mahimmanci don hana ɗaukar danshi, wanda zai iya haifar da "popcorning" (fashewar fakitin) yayin gudanar da IR reflow.

• Fakitin da aka Rufe:Ajiye a ≤30°C da ≤70% Danshi Dangi (RH). Tsawon rayuwar shimfidar wuri shekara ɗaya lokacin da jakar hana danshi tare da desiccant ta kasance cikakke.
• Fakitin da aka Buɗe:Don abubuwan da aka cire daga jakarsu da aka rufe, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba.
• Rayuwar Bene:Ana ba da shawarar kammala tsarin IR reflow a cikin sa'o'i 168 (7 kwanaki) bayan buɗe jakar hana danshi.
• Tsawaita Ajiya/Baking:Idan an fallasa abubuwan sama da sa'o'i 168, dole ne a yi musu baking a kusan 60°C na aƙalla sa'o'i 48 kafin gudanar da aiki don cire danshin da aka ɗauka.

7.3 Umarnin Gudanar da Aiki

An ba da cikakkun sigogi na gudanar da aiki don tabbatar da aminci:

Gudanar da Reflow (Shawarar):

• Zafin Jiki na Rigakafi: 150-200°C
• Lokacin Rigakafi: Matsakaicin 120 seconds
• Matsakaicin Zafin Jiki: Matsakaicin 260°C
• Lokaci a Matsakaicin/Lokacin Gudanar da Aiki: Matsakaicin 10 seconds (matsakaicin zagaye biyu na reflow da aka ba da izini)

Gudanar da Hannu (Ƙarfe na Gudanar da Aiki):

• Zafin Ƙarshen Ƙarfe: Matsakaicin 300°C
• Lokacin Tuntuɓar: Matsakaicin 3 seconds a kowane haɗin gudanar da aiki (gudanar da aiki sau ɗaya kawai).

7.4 Ka'idar Hanyar Gudanarwa

LED na'urar sarrafa halin yanzu ce. Fitar da haskenta (ƙarfin haske) shine da farko aikin halin gaba (I_F) yana wucewa ta cikinta, ba wutar lantarki ba. Don haka, don tabbatar da daidaitaccen haske, musamman lokacin da ake amfani da LED da yawa a layi daya, kowane LED ya kamata a sarrafa shi ta hanyar tushen halin yanzu da aka sarrafa ko kuma ya sami nasa resistor mai iyakance halin yanzu. Ba a ba da shawarar sarrafa LED a layi daya kai tsaye daga tushen wutar lantarki saboda bambance-bambance a cikin ƙarfin gaba (V_F) daga na'ura zuwa na'ura, wanda zai iya haifar da bambance-bambance masu mahimmanci a cikin halin yanzu don haka haske.

8. Tunani na Ƙira da Bayanan Aikace-aikace

8.1 Gudanar da Zafi

Duk da cewa rushewar wutar lantarki yana da ƙasa (80mW matsakaici), ingantaccen sarrafa zafi har yanzu yana da mahimmanci don tsawon rayuwa da kwanciyar hankali na aiki. Ƙarfin gaba da ƙarfin haske sun dogara da zafin jiki. Ƙirar PCB tare da isassun taimakon zafi, amfani da filin ƙasa, da guje wa sanyawa kusa da wasu abubuwan da ke haifar da zafi na iya taimakawa wajen kiyaye ƙaramin zafin haɗin.

8.2 Lissafin Resistor Mai Iyakance Halin Yanzu

Lokacin amfani da tushen wutar lantarki mai sauƙi da resistor na jerin don sarrafa LED, ƙimar resistor (R_s) za a iya ƙididdige ta ta amfani da Dokar Ohm: R_s= (V_supply- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga bayanan bayanan (3.8V) don tabbatar da cewa halin yanzu bai wuce 20mA ba ko da tare da ƙaramin V_Fna'urar. Misali, tare da wadata 5V: R_s= (5V - 3.8V) / 0.020A = 60 Ohms. Daidaitaccen resistor na 62-ohm zai zama zaɓi mai aminci. Matsakaicin ƙimar wutar lantarki na resistor ya kamata ya kasance aƙalla P = I_F²* R_s.

8.3 Ƙirar Gani

Kusurwar dubawa na digiri 110 tana ba da tsarin haske mai faɗi, mai yaduwa wanda ya dace da alamomin matsayi da ake nufin ganinsu daga kusurwoyi daban-daban. Don aikace-aikacen da ke buƙatar ƙarin haske mai mai da hankali, za a buƙaci na'urorin gani na biyu (kamar ruwan tabarau ko bututun haske). Ruwa bayyananne yana da mafi kyau don cimma ainihin launin guntu na InGaN ba tare da launi ba.

9. Kwatance da Jagorar Zaɓi

LTST-108TGKT yana cikin rukuni na daidaitaccen, matsakaicin haske kore LED na SMD. Babban bambance-bambancensa shine takamaiman tsarin kwandon sa don launi da ƙarfi, da bin tsarin haɗawa ta atomatik, da cikakkun bayanai na sarrafawa da gudanar da aiki. Lokacin zaɓar LED, injiniyoyi ya kamata su kwatanta:

• Tsawon Tsawon/Launi:Tabbatar da kwandon tsawon tsawon (AP, AQ, AR) ya cika buƙatun launi na aikace-aikacen.
• Hasken:Zaɓi kwandon ƙarfin haske da ya dace (T2, U1, U2, V1) don buƙatun ganuwa.
• Kusurwar Dubawa:Kusurwar digiri 110 daidaitacce ce don dubawa mai faɗi. Kusurwoyi masu ƙunci suna ba da ƙarin haske mai mai da hankali.
• Ƙarfin Gaba:Kwandon V_Fyana tasiri ƙirar da'irar gudanarwa da amfani da wutar lantarki.

Wannan ɓangaren zaɓi ne mai ƙarfi, na gabaɗaya inda aka ba da fifikon ingantaccen aiki da ƙirar ƙira akan babban haske ko takamaiman halayen gani.