Bayanin Fasaha na SMD LED LTST-010TBKT - Blue InGaN - 20mA - 80mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanai na fasaha don na'urar haske mai haɗawa da allon kewaye (SMD LED). An ƙera wannan na'urar don hanyoyin haɗa allon kewaye (PCB) ta atomatik kuma ta dace da aikace-aikacen da ke da ƙarancin sarari. Girman sa na ƙanƙanta da dacewa da hanyoyin masana'antu na yau da kullun sun sa ya zama zaɓi mai fa'ida don na'urorin lantarki na zamani.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• An shirya shi a cikin tef na 12mm akan reels mai diamita 7-inch don sarrafawa ta atomatik.
• Matsakaicin ƙafar fakitin EIA (Ƙungiyar Masana'antu ta Lantarki).
• Shigarwa/fitarwa ya dace da matakan dabaru na haɗaɗɗen kewayawa (IC).
• An ƙera shi don dacewa da kayan aikin ɗauka da sanyawa ta atomatik.
• Ya dace da hanyoyin siyar da guduro ta infrared (IR) reflow.
• An riga an shirya shi don hanzarta zuwa matakin hankali na danshi na JEDEC (Majalisar Injiniyan Na'urorin Lantarki) Level 3.

1.2 Aikace-aikace

An yi amfani da wannan LED a cikin kewayon kayan aikin lantarki, gami da amma ba'a iyakance ga:

• Na'urorin sadarwa (misali, wayoyin mara igiya, wayoyin hannu).
• Kayan aikin sarrafa ofis da kwamfutocin tebur.
• Kayan amfani na gida da na'urorin lantarki na masu amfani.
• Tsarin hanyoyin sadarwa da kayan sarrafa masana'antu.
• Alamomin yanayi da wutar lantarki.
• Hasken baya don allon gaba da maɓallan maɓalli.
• Hasken sigina da fitilun alama.
• Allunan alamar cikin gida da hasken ado na gabaɗaya.

2. Girman Fakitin

Na'urar tana da fakitin haɗawa da allon kewaye na yau da kullun. An ba da mahimman girma a cikin zane-zanen fasaha a cikin takardar tushe. Duk manyan girma an ƙayyade su a cikin milimita (mm). Matsakaicin jurewar waɗannan girma shine ±0.1 mm (±0.004 inches) sai dai idan an faɗi akasin haka a cikin bayanin zane. Ruwan tabarau yana da tsabta, kuma launin hasken tushe shuɗi ne, yana amfani da kayan semiconductor na Indium Gallium Nitride (InGaN).

3. Ƙima da Halaye

Duk ƙima an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C. Wuce waɗannan iyakoki na iya haifar da lalacewa ta dindindin ga na'urar.

3.1 Matsakaicin Ƙimar Ƙima

• Rushewar Wutar Lantarki (Pd):80 mW
• Matsakaicin Halin Gaba (I_F(peak)):100 mA (a cikin sake zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Halin Gaba (I_F):20 mA DC
• Kewayon Zafin Aiki:-40°C zuwa +85°C
• Kewayon Zafin Ajiya:-40°C zuwa +100°C

3.2 Shawarar Bayanin Reflow na IR

Don hanyoyin siyar da guduro mara gubar (Pb-free), ana ba da shawarar bayanin reflow wanda ya bi J-STD-020B. Bayanin yawanci ya ƙunshi matakin riga-kafi, jiƙa na zafi, yankin reflow tare da matsakaicin zafin jiki, da lokacin sanyaya. Matsakaicin matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 217°C ya kamata a iyakance bisa ga ma'auni don hana lalacewar zafi ga fakitin LED da ciki.

3.3 Halayen Lantarki & Na'ura mai haske

Matsakaicin sigogi na aiki da aka auna a Ta=25°C da I_F=20mA, sai dai idan an faɗi akasin haka.

• Ƙarfin Hasken Hasken (I_V):90.0 - 224.0 mcd (millicandela). An auna shi tare da tacewa wanda ya kusanci lanƙwan amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 110 (na yau da kullun). An bayyana shi azaman cikakken kusurwar da ƙarfin ya rabi ƙimar axial (a kan-axis).
• Matsakaicin Tsawon Tsawon Watsawa (λ_p):468 nm (na yau da kullun).
• Matsakaicin Tsawon Tsawon (λ_d):465 - 475 nm. An samo shi daga daidaitattun maki na launi na CIE.
• 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 V.
• Halin Baya (I_R):10 μA (matsakaici) a ƙarfin baya (V_R) na 5V. Ba a ƙera na'urar don aiki a ƙarƙashin ƙarancin baya ba.

3.4 Bayanan Aunawa

1. Aunawar ƙarfin haske yana bin ka'idojin CIE don hangen nesa na photopic.
2. Jurewar tsawon tsawon tsawon shine ±1 nm.
3. Jurewar ƙarfin gaba don wani kwandon da aka zaɓa shine ±0.1 V.
4. Gwajin ƙarfin baya don dalilai na bayanai/inganci ne kawai; LED na'urar ce mai ƙarancin gaba.

4. Tsarin Matsayin Kwandon

Ana rarraba abubuwan (kwandon) bisa ga mahimman sigogi don tabbatar da daidaito a aikace-aikace. Waɗannan lambobin kwandon suna bayyana kewayon da aka tabbatar don kowane siga.

4.1 Matsayin Ƙarfin Gaba (V_F)

An yi kwandon a I_F= 20mA. Jurewar kowane kwandon shine ±0.1V.
Lambobin Kwandon: D7 (2.8-3.0V), D8 (3.0-3.2V), D9 (3.2-3.4V), D10 (3.4-3.6V), D11 (3.6-3.8V).

4.2 Matsayin Ƙarfin Hasken Hasken (I_V)

An yi kwandon a I_F= 20mA. Jurewar kowane kwandon shine ±11%.
Lambobin Kwandon: Q2 (90.0-112.0 mcd), R1 (112.0-140.0 mcd), R2 (140.0-180.0 mcd), S1 (180.0-224.0 mcd).

4.3 Matsayin Tsawon Tsawon (λ_d)

An yi kwandon a I_F= 20mA. Jurewar kowane kwandon shine ±1nm.
Lambobin Kwandon: AC (465.0-470.0 nm), AD (470.0-475.0 nm).

5. Matsakaicin Lanƙwan Aiki

Takardar tushe ta ƙunshi siffofi na zane na mahimman halaye a matsayin aiki na sigogi daban-daban. Waɗannan lanƙwan suna da mahimmanci don cikakken binciken ƙira.

• Dangantakar Ƙarfin Hasken Hasken da Halin Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da halin tuƙi, yawanci a cikin hanyar ƙasa-da-layin a manyan halaye saboda dumama da raguwar inganci.
• Dangantakar Ƙarfin Hasken Hasken da Yanayin Muhalli:Yana nuna tasirin kashe zafi, inda fitar da haske ke raguwa yayin da zafin haɗin ke tashi.
• Ƙarfin Gaba da Halin Gaba:Yana kwatanta halayen I-V na diode, yana nuna ƙarfin kunna da juriya mai ƙarfi.
• Ƙarfin Gaba da Yanayin Muhalli:Yana nuna ƙarancin ƙimar zafin jiki na ƙarfin gaba, wani abu mai amfani don ganewar zafin jiki.
• Rarraba Bakan:Wani tsari na ƙarfin haske mai dangi da tsawon tsawon, wanda ya ta'allaka ne a kusa da matsakaicin tsawon tsawon na 468 nm tare da matsakaicin rabin faɗi na 35 nm.
• Tsarin Kusurwar Dubawa:Wani tsari na polar wanda ke nuna rarraba sararin samaniya na ƙarfin haske, yana tabbatar da kusurwar dubawa na digiri 110.

6. Jagorar Mai Amfani & Sarrafawa

6.1 Tsaftacewa

Kawai ya kamata a yi amfani da wakilan tsaftacewa da aka ƙayyade. Sinadarai da ba a ƙayyade ba na iya lalata epoxy na fakitin LED. Idan tsaftacewa ya zama dole, nutsar da shi cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya yana da kyau. Ya kamata a guji tashin hankali ko tsaftacewa ta ultrasonic sai dai idan an cancanta musamman.

6.2 Shawarar Tsarin Pad na PCB

An ba da ƙirar ƙirar ƙasa (ƙafar ƙafa) don PCB. An inganta wannan tsari don amintaccen siyar da guduro ta amfani da hanyoyin reflow na infrared ko lokaci. Bin wannan shawarar tsarin geometry na pad yana tabbatar da samuwar haɗin guduro mai kyau, daidaita kai yayin reflow, da kwanciyar hankali na injiniya.

6.3 Tef da Shirye-shiryen Reel

Ana ba da LED a cikin tef mai ɗaukar kaya tare da tef mai kariya. An ƙayyade cikakkun girma don aljihun tef, tsayi, da faɗin tef gabaɗaya. An nannade abubuwan a kan reels mai diamita 7-inch (178 mm). Matsakaicin adadin reel shine guda 4000 a kowace cikakkiyar reel, tare da mafi ƙarancin adadin shiryawa na guda 500 don reels na ɓangare. Shirye-shiryen sun yi daidai da ƙayyadaddun ANSI/EIA-481.

7. Gargaɗi da Bayanan Aikace-aikace

7.1 Aikace-aikacen Da Ake Nufi

An ƙera waɗannan LED don amfani a cikin kayan aikin lantarki na kasuwanci da masu amfani na yau da kullun. Ba a ƙididdige su ko an yi niyya don aikace-aikacen masu mahimmanci na aminci 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-aikace, dole ne a zaɓi abubuwan da ke da cancantar amincin da ya dace.

7.2 Yanayin Ajiya

Fakitin da aka Rufe:Ajiye a ≤30°C da ≤70% Danshi na Dangi (RH). Rayuwar shiryawa a cikin jakar shinge na danshi da aka rufe tare da busassun abu shekara ɗaya ce.
Fakitin da aka Buɗe:Don abubuwan da aka cire daga jakar da aka rufe, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba. Ya kamata a yi wa abubuwan siyar da guduro ta IR reflow a cikin sa'o'i 168 (7 kwanaki) na fallasa wa wannan yanayi (MSL Level 3). Don fallasa mai tsawo, ajiye a cikin akwati da aka rufe tare da busassun abu ko a cikin yanayi na nitrogen. Abubuwan da aka fallasa fiye da sa'o'i 168 suna buƙatar tsarin gasa (misali, 60°C na awanni 48) kafin siyar da guduro don cire danshin da aka sha da hana lalacewar \"popcorning\" yayin reflow.

7.3 Shawarwarin Siyar da Guduro

Siyar da Guduro ta Reflow (Ana Ba da Shawara):
- Zafin Rigakafi: 150-200°C
- Lokacin Rigakafi: Matsakaicin 120 seconds
- Matsakaicin Zafin Jiki: Matsakaicin 260°C
- Lokaci a Matsakaicin/Lokacin Siyar da Guduro: Matsakaicin 10 seconds (an yarda da matsakaicin sake zagayowar reflow guda biyu)
Siyar da Guduro ta Hannu (Idan ya cancanta):
- Zafin Ƙarfe: Matsakaicin 300°C
- Lokacin Siyar da Guduro kowane jagora: Matsakaicin 3 seconds (aikin sau ɗaya kawai)

Muhimmin Bayanin Kula:Mafi kyawun bayanin reflow ya dogara da takamaiman ƙirar PCB, yawan abubuwan, manna guduro, da tanda. Sigogin da aka bayar jagorori ne. Ana ba da shawarar siffanta matakin allon don cimma haɗin guduro mai aminci ba tare da damuwa da zafi ga LED ba.

7.4 Hanyar Tuƙi

LED na'urar ce mai sarrafa halin yanzu. Don tabbatar da daidaito da kwanciyar hankali na ƙarfin haske, dole ne a tuƙa shi ta hanyar tushen halin yanzu da aka sarrafa, ba tushen ƙarfin lantarki ba. Matsakaicin juriya na iyakance halin yanzu shine mafi yawan hanyar lokacin da aka yi amfani da shi daga layin ƙarfin lantarki. An ƙididdige ƙimar juriya ta amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Don aikace-aikacen daidaito ko don kiyaye haske akai-akai akan canje-canjen zafin jiki da ƙarfin wadata, ana ba da shawarar da'irar tuƙi mai tsayayyen halin yanzu (layi ko sauyawa). Tuƙa LED tare da halin yanzu mai ƙarfi a cikin iyakokinsa da aka ƙayyade (misali, 20mA DC) yana da mahimmanci don cimma fitar da hasken da ake so, launi, da amincin dogon lokaci.

8. Tunani na Ƙira da Shawarwarin Aikace-aikace

8.1 Gudanar da Zafi

Duk da yake rushewar wutar lantarki yana da ƙasa (80mW matsakaici), ingantaccen sarrafa zafi har yanzu yana da mahimmanci don tsawon rai da ingantaccen aiki. Ƙarfin hasken LED yana raguwa tare da ƙara zafin haɗin (kashe zafi). Tabbatar cewa PCB yana da isasshen taimakon zafi, musamman idan ana tuƙi a ko kusa da matsakaicin halin yanzu na ci gaba. Guji sanya LED kusa da wasu manyan tushen zafi akan allon.

8.2 Ƙirar Na'ura mai haske

Kusurwar dubawa na digiri 110 tana ba da tsarin watsawa mai faɗi, mai yaduwa wanda ya dace da alamomin yanayi da hasken baya. Don aikace-aikacen da ke buƙatar ƙara mayar da hankali, dole ne a yi amfani da na'urorin gani na biyu (ruwan tabarau ko masu nuni). Ruwan tabarau mai tsabta yana da kyau don fitar da launi na gaskiya. Lokacin ƙirar jagororin haske ko masu watsawa don hasken baya, ya kamata a yi la'akari da rarraba ƙarfin sararin samaniya (tsarin kusurwar dubawa) don cimma haske iri ɗaya.

8.3 Ƙirar Lantarki

Yi la'akari da kwandon ƙarfin gaba a cikin ƙirar ku. Da'irar dole ne ta yi aiki daidai a ko'ina cikin V_Fkewayon (2.8V zuwa 3.8V). Idan kuna amfani da juriya mai sauƙi, girman shi don mafi girman V_Fa cikin kwandon da kuka zaɓa don tabbatar da mafi ƙarancin halin yanzu da ake buƙata. Don layukan LED masu layi daya, yi la'akari da amfani da kowane juriya mai iyakance halin yanzu kowane layi don rama V_Fbambance-bambance da hana cin halin yanzu. Koyaushe haɗa kariya daga haɗin ƙarfin baya da ƙarancin ƙarfin lantarki akan layin wutar lantarki, saboda LED yana da ƙananan matsakaicin ƙimar ƙarfin baya.

8.4 Masana'antu da Haɗawa

Yi amfani da dacewar abun tare da haɗawa ta atomatik. Shirye-shiryen tef-da-reel an ƙera shi don injunan ɗauka da sanyawa masu sauri. Bi shawarar bayanin reflow na IR da tsarin pad na PCB daidai don tabbatar da yawan amfanin farko da aminci. Bi ka'idojin sarrafa matakin hankali na danshi (MSL 3) daidai don hana tsagewar fakitin da danshi ya haifar yayin siyar da guduro.