Takardar Bayanin Fasaha na SMD LED LTST-108TWET - Ruwan Tabarau Mai Rawa, Tushen Blue InGaN - 3.2V, 102mW, 1500-2900mcd - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-108TWET babban LED ne mai ƙarfi, mai haɗawa da saman, wanda aka ƙera don tsarin haɗawa ta atomatik da aikace-aikacen da ke da ƙarancin sarari. Yana da ruwan tabarau mai rawa tare da tushen hasken blue InGaN (Indium Gallium Nitride), yana samar da fitarwa mai rawa mai ƙarfi. An ƙera wannan ɓangaren don dogaro da dacewa da dabarun masana'antu na zamani, wanda ya sa ya dace da nau'ikan na'urorin lantarki masu yawa.

1.1 Fa'idodi na Asali

• Yin Biyayya:Yana cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Abokantaka da Masana'antu:An tattara shi a cikin tef 8mm akan reels 7-inch, ya dace da kunshin daidaitaccen EIA da kayan aikin sanya atomatik.
• Dacewar Tsari:Ya dace gaba ɗaya da hanyoyin gyarawa na infrared (IR) reflow, mahimmanci don layukan haɗawa marasa gubar (Pb-free).
• Dogaro:An riga an shirya shi don sauri zuwa matakan hankali na danshi na JEDEC Level 3, yana tabbatar da ƙarfi a kan danshi yayin ajiya da haɗawa.

1.2 Kasuwannin da Ake Nufi

Wannan LED ya dace sosai don aikace-aikacen da ke buƙatar ƙananan alamun matsayi masu dogaro da hasken baya. Kasuwannin farko sun haɗa da kayan aikin sadarwa (wayoyin marasa igiya/wayoyin hannu), sarrafa ofis (na'urorin kwamfuta), tsarin cibiyar sadarwa, kayan aikin gida, da alamun cikin gida ko hasken alama.

2. Bincike Mai zurfi na Sigogi na Fasaha

Sashe na gaba yana ba da cikakken bayani game da ƙayyadaddun lantarki, na gani, da na muhalli na LED.

2.1 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Dole ne a ci gaba da aiki a cikin waɗannan iyakokin koyaushe.

• Rushewar Wutar Lantarki (Pd):102 mW. Wannan shine matsakaicin wutar lantarki da kunshin LED zai iya watsawa cikin aminci a matsayin zafi.
• Matsakaicin Halin Gaba na Gaba (I_F(PEAK)):100 mA. Wannan shine matsakaicin ƙarfin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms) da LED zai iya ɗauka.
• Ci gaba da Halin Gaba na Gaba (I_F):30 mA DC. Matsakaicin ƙarfin da aka ba da shawarar don ci gaba da aiki.
• Kewayon Zafin Aiki (T_opr):-40°C zuwa +85°C. Kewayon zafin yanayi don aiki mai dogaro.
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +100°C. Kewayon zafin aminci don na'urar lokacin da ba a kunna wutar lantarki ba.

2.2 Halaye na Lantarki & Na Gani

Waɗannan su ne ƙayyadaddun sigogi na aiki da aka auna a zafin yanayi (T_a) na 25°C a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Ƙarfin Hasken (I_V):1500 - 2900 mcd (millicandela) a I_F= 20mA. Wannan yana nuna matakin haske mai ƙarfi wanda ya dace da aikace-aikacen nuna alama.
• Kusurwar Dubawa (2θ_1/2):Digiri 110 (na al'ada). Wannan faɗin kusurwar dubawa yana tabbatar da cewa ana iya ganin hasken daga faɗin wurare da yawa dangane da axis na LED.
• Ma'auni na Launi (x, y):(0.3100, 0.3100) na al'ada. Waɗannan ma'auni na CIE suna ayyana madaidaicin wurin launin rawa akan zanen launi.
• Ƙarfin Lantarki na Gaba (V_F):2.8V (Mafi ƙanƙanta) zuwa 3.4V (Matsakaici) a I_F= 20mA. Faɗuwar ƙarfin lantarki a kan LED lokacin da yake gudanar da ƙarfin lantarki. Haƙuri shine ±0.1V a kowace kwandon shara.
• Halin Baya (I_R):10 µA (Matsakaici) a V_R= 5V. Ba a ƙera na'urar don aikin baya ba; wannan siga ne don dalilai na gwajin IR kawai.

3. Bayanin Tsarin Matsayi na Kwandon Shara

Don tabbatar da daidaiton launi da aiki a cikin samarwa, ana rarraba LED zuwa kwandon shara bisa mahimman sigogi.

3.1 Ƙarfin Lantarki na Gaba (V_F) Rarraba Kwandon Shara

Ana rarraba LED ta ƙarfin lantarki na gaba a 20mA.

- Kwandon Shara D8: V_F= 2.8V zuwa 3.1V.

- Kwandon Shara D9: V_F= 3.1V zuwa 3.4V.

Haƙuri a cikin kowane kwandon shara shine ±0.1V.

3.2 Ƙarfin Hasken (I_V) Rarraba Kwandon Shara

Ana rarraba LED ta hanyar fitar da haske a 20mA.

- Kwandon Shara X1: I_V= 1500.0 mcd zuwa 2100.0 mcd.

- Kwandon Shara X2: I_V= 2100.0 mcd zuwa 2900.0 mcd.

Haƙuri akan kowane kwandon shara na ƙarfi shine ±11%.

3.3 Rarraba Kwandon Shara na Launi (Chromaticity)

Ana rarraba LED bisa ma'auni na launi (x, y) don tabbatar da launin rawa iri ɗaya. Takardar bayanin tana ba da cikakken teburin kwandon shara na launi tare da takamaiman iyakoki na ma'auni don kwandon shara mai lakabin Z1, Y1, Y2, X1, W1, da W2. Haƙuri na kowane kwandon shara na launi shine ±0.01 a cikin ma'auni na x da y. Yawanci ana yin amfani da zanen ma'auni na chromaticity don ganin waɗannan kwandon shara akan ginshiƙi na CIE.

4. Bincike na Lankwasa Aiki

Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutu ba, takardar bayanin ta haɗa da lankwasan halaye na al'ada. Waɗannan suna da mahimmanci ga injiniyoyin ƙira.

4.1 Halin Gaba vs. Ƙarfin Lantarki na Gaba (Lankwasa I-V)

Wannan lankwasa yana nuna alaƙa tsakanin ƙarfin lantarki da ke gudana ta LED da ƙarfin lantarki a cikinsa. Ba shi da layi, tare da halayen ƙarfin lantarki na \"gwiwa\" (kusa da V na al'ada_F) wanda sama da shi ƙarfin lantarki yana ƙaruwa da sauri tare da ƙananan ƙaruwar ƙarfin lantarki. Wannan yana nuna mahimmancin kewayon ƙarfin lantarki (kamar resistor na jerin ko direban ƙarfin lantarki na dindindin).

4.2 Ƙarfin Hasken vs. Halin Gaba

Wannan zane yana kwatanta yadda fitar da haske (I_V) yana canzawa tare da ƙarfin tuƙi (I_F). Gabaɗaya, ƙarfin yana ƙaruwa tare da ƙarfin lantarki amma bazai zama daidai da layi ba, musamman a manyan ƙarfin lantarki inda inganci zai iya raguwa kuma samar da zafi yana tashi.

4.3 Ƙarfin Hasken vs. Zafin Yanayi

Wannan lankwasa yana nuna tasirin zafin yanayi akan fitar da haske. Yawanci, ƙarfin haske yana raguwa yayin da zafin yanayi ya ƙaru. Fahimtar wannan raguwa yana da mahimmanci don aikace-aikacen da ke aiki a manyan zafin jiki don tabbatar da cewa an kiyaye isasshen haske.

5. Bayanin Injiniya & Kunshin

5.1 Girman Kunshin

LED yana zuwa a cikin daidaitaccen kunshin haɗawa da saman. Duk girmansa suna cikin millimeters tare da haƙuri na gabaɗaya na ±0.2mm sai dai idan an ƙayyade. Zanen zai nuna tsayi, faɗi, tsayi, da sanyawa/girman filayen gyarawa da alamun cathode/anode.

5.2 Gano Polarity

Ana nuna cathode ta hanyar alamar gani akan kunshin, kamar tsaga, ɗigo, ko alamar kore. Dole ne a kiyaye daidaitaccen polarity yayin haɗa PCB.

5.3 Tsarin Filin PCB da Aka Ba da Shawara

An ba da shawarar tsarin ƙasa (sawu) don PCB don tabbatar da samuwar haɗin gyarawa daidai da kwanciyar hankali na injiniya yayin gyarawa ta infrared ko reflow na lokaci. Yin bin wannan tsari yana taimakawa hana kabari kuma yana tabbatar da kyakkyawar haɗin zafi da lantarki.

6. Jagororin Gyarawa & Haɗawa

6.1 Bayanin Yanayin Gyarawa na IR Reflow (Maras Gubar)

Takardar bayanin tana ba da shawarar bayanin reflow wanda ya dace da J-STD-020B don hanyoyin marasa gubar. Mahimman sigogi sun haɗa da:

- Rigakafin Zafi:150-200°C na matsakaicin dakika 120 don dumama allon a hankali da kunna flux.

- Matsakaicin Zafi:Matsakaicin 260°C.

- Lokaci Sama da Liquidus:An ayyana shi don tabbatar da narkewar gyarawa da jika daidai.

- Jimlar Lokacin Gyarawa:Matsakaicin dakika 10 a matsakaicin zafi, tare da matsakaicin zagaye biyu na reflow da aka yarda.

6.2 Gyarawa da Hannu

Idan gyarawa da hannu ya zama dole:

- Zafin Ƙarfe:Matsakaicin 300°C.

- Lokacin Gyarawa:Matsakaicin dakika 3 a kowane haɗin gwiwa.

- Mita:Ana yarda da zagaye ɗaya na gyarawa kawai don gyarawa da hannu.

6.3 Yanayin Ajiya

Kunshin da aka Rufe:Ajiye a ≤30°C da ≤70% RH. Yi amfani da shi cikin shekara guda bayan buɗe jakar shinge na danshi.

Kunshin da aka Buɗe:Don ɓangarorin da aka cire daga busassun kunshinsu, yanayin ajiyar bai kamata ya wuce 30°C da 60% RH ba. Ana ba da shawarar sosai don kammala gyarawar IR reflow cikin sa'o'i 168 (kwanaki 7) na fallasa zuwa iskar yanayi (JEDEC Level 3). Don fallasa mai tsawo, ana buƙatar gasa na sa'o'i 48 a kusan 60°C kafin haɗawa don cire danshin da aka sha da hana lalacewar \"popcorning\" yayin reflow.

6.4 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyarawa, yi amfani da kaushi da aka ƙayyade kawai. Ku nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin jiki na al'ada na ƙasa da minti ɗaya. Kada ku yi amfani da masu tsaftacewa na sinadarai waɗanda ba a ƙayyade ba saboda suna iya lalata kunshin LED ko ruwan tabarau.

7. Bayanin Kunshin & Oda

7.1 Ƙayyadaddun Tef da Reel

Ana ba da LED a cikin tef ɗin mai ɗaukar kaya tare da murfin kariya, an nannade shi akan reels mai diamita 7-inch (178mm). Matsakaicin adadin reel shine guda 4000. Ana samun mafi ƙarancin adadin kunshin guda 500 don sauran umarni. Kunshin ya dace da ƙayyadaddun ANSI/EIA-481.

7.2 Girman Reel

An ba da cikakkun zane-zane na injiniya don reel, gami da diamita na cibiya, diamita na flange, da faɗin gabaɗaya, don tabbatar da dacewa da kayan aikin ɗauka da sanyawa ta atomatik.

8. Bayanin Aikace-aikace & Abubuwan da Ake Yi la'akari da su

8.1 Da'irori na Aikace-aikacen Al'ada

Dole ne a tuƙi LED tare da na'urar iyakance ƙarfin lantarki. Hanya mafi sauƙi ita ce resistor na jerin. 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 takardar bayanin (3.4V) don tabbatar da isasshen ƙarfin lantarki a ƙasan V_Fkwandon shara. Misali, tare da wadata 5V da manufa I_Fna 20mA: R_s= (5V - 3.4V) / 0.020A = 80 Ohms. Daidaitaccen resistor na 82 Ohm zai dace. Don daidaito ko bambancin ƙarfin wadata, ana ba da shawarar direban ƙarfin lantarki na dindindin.

8.2 Gudanar da Zafi

Ko da yake ɓarnawar wutar lantarki ta yi ƙasa da ƙasa (102mW matsakaici), ƙirar zafi daidai tana tsawaita rayuwar LED. Tabbatar da ƙirar filin PCB ta bi shawarwari don yin aiki azaman mai sanyaya zafi. Guji aiki a matsakaicin matsakaicin ƙarfin lantarki da iyakokin zafi na tsawon lokaci. A cikin ƙira mai yawa ko kulle, yi la'akari da iska ko hanyoyin zafi a ƙarƙashin filin don watsa zafi.

8.3 Ƙirar Gani

Kusurwar dubawa 110° tana ba da tarwatsa faɗi. Don haske mai mai da hankali ko jagora, ƙila ruwan tabarau na waje ko jagororin haske su zama dole. Ana samun launin rawa ta hanyar haɗa guntu blue InGaN tare da ruwan tabarau mai rawa mai lulluɓe da phosphor. Wannan hanya ce ta gama gari kuma mai inganci don samar da farin haske da sauran launuka na haske a cikin LED na zamani.

9. Dogaro & Gargaɗi

9.1 Amfani da An Nufa

An ƙera wannan ɓangaren don kayan aikin lantarki na gabaɗaya. Ba a ƙididdige shi don aikace-aikacen aminci masu mahimmanci inda gazawar za ta iya haifar da haɗari ga rayuwa ko lafiya (misali, jirgin sama, tallafin rayuwa na likita, sarrafa sufuri). Don irin waɗannan aikace-aikacen, tuntuɓar mai kera don ɓangarori na musamman ya zama dole.

9.2 Hankalin ESD (Fitar da Lantarki Mai Tsanani)

Duk da yake ba a bayyana shi a sarari ba, LED gabaɗaya suna da hankali ga fitar da lantarki mai tsanani. Dole ne a kiyaye matakan kariya na ESD na al'ada yayin sarrafawa da haɗawa: yi amfani da tashoshin aiki masu tushe, igiyoyin wuyan hannu, da kwantena masu ɗaukar kaya.

10. Kwatancen Fasaha & Trends

10.1 Ka'idar Fasaha

LTST-108TWET yana amfani da kayan semiconductor na InGaN don guntunsa mai fitar da haske. InGaN yana da inganci musamman wajen samar da haske a cikin bakan blue da kore. Ba a fitar da hasken rawa kai tsaye ta guntu ba. A maimakon haka, hasken blue daga guntun InGaN yana motsa wani Layer na phosphor a cikin ruwan tabarau mai rawa. Phosphor yana ɗaukar wasu hasken blue kuma yana sake fitar da shi azaman hasken rawa. Haɗuwar sauran hasken blue da canza hasken rawa yana haifar da launin rawa mai ƙarfi da ake gani. Wannan dabarar canza phosphor tana da inganci sosai kuma tana ba da damar daidaita launi daidai.

10.2 Mahallin Masana'antu

LED na SMD kamar LTST-108TWET suna wakiltar ma'auni don aikace-aikacen nuna alama da hasken baya na zamani saboda ƙananan girmansu, dogaro, da dacewa da haɗawa mai yawa ta atomatik. Trend yana ci gaba zuwa mafi inganci (ƙarin fitar da haske a kowace watt), ingantaccen daidaiton launi ta hanyar ƙaramin rarraba kwandon shara, da ingantaccen dogaro a ƙarƙashin yanayin zafi da danshi mafi girma. Ƙaura zuwa gyarawa maras gubar (Pb-free), wanda wannan ɓangaren ya cancanci, yanzu ma'auni ne na masana'antu na duniya wanda dokokin muhalli suka motsa.