Bayanin Fasaha na LED LTST-T680UWET SMD - Haske Fari, Ruwan Idon Raya - 30mA, 108mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun fasaha na LTST-T680UWET, wata'ila diode mai fitar da haske (LED) na na'urar da ake haɗawa ta saman (SMD). An ƙera wannan ɓangaren don tsare-tsaren haɗa allon da'ira da aka buga (PCB) ta atomatik, yana da ƙaramin siffa wanda ya dace da aikace-aikacen da ke da ƙarancin sarari. LED tana fitar da haske fari ta hanyar kayan ruwan ido mai launin rawaya. Babban aikinta shine zama alama ko tushen hasken baya a cikin ɗimbin na'urorin lantarki na masu amfani, na'urorin kwamfuta, kayan aikin sadarwa, da tsarin alamu.

1.1 Siffofi Masu Muhimmanci

• Yana bin umarnin RoHS (Ƙuntata Abubuwa Masu Hadari).
• An kunna shi a cikin kaset na mm 8 akan reels masu diamita inci 7 don injunan ɗauka da sanyawa ta atomatik.
• Tsarin kunshin EIA (Ƙungiyar Masana'antu ta Lantarki) na daidaitacce.
• Ya dace da matakan dabaru na haɗaɗɗen da'ira (IC).
• An ƙera shi don dacewa da tsare-tsaren haɗa solder na infrared (IR) reflow na daidaitacce.
• An riga an shirya shi zuwa Matakin Hatsarin Danshi na JEDEC (Majalisar Ƙirƙirar Na'urorin Lantarki Haɗin gwiwa) 3.

1.2 Aikace-aikacen Da Ake Nufi

• Alamomin yanayi da hasken baya don na'urorin masu amfani.
• Alamomi na gabaɗaya da hasken baya na nunawa.
• Aikace-aikacen haske na musamman da na ado.
• Yanayin kayan aikin masana'antu da hasken panel.

2. Girman Kunshin da Bayanan Injiniya

LTST-T680UWET yana amfani da kunshin LED SMD na daidaitacce. Launin ruwan ido rawaya ne, kuma launin hasken da ake fitarwa fari ne. Duk mahimman ma'auni don ƙirar ƙafar PCB da sanya ɓangaren an bayar da su a cikin zane-zanen bayanan. Duk ma'aunai suna cikin milimita (mm) tare da juzu'i na daidaitacce na ±0.2 mm sai dai idan an faɗi akasin haka. Dole ne masu ƙira su koma ga cikakkun zane-zanen girma don tabbatar da tsarin PCB pad da kyakkyawar sarari na haɗawa.

3. Ƙididdiga da Halaye

Duk ma'auni an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C sai dai idan an faɗi akasin haka. Wucewa matsakaicin ƙididdiga na iya haifar da lalacewa ta dindindin ga na'urar.

3.1 Matsakaicin Ƙididdiga Mafi Girma

• Rushewar Wutar Lantarki (Pd):108 mW
• Matsakaicin Ƙarfin Lantarki Na Gaba (I_F(peak)):100 mA (a cikin zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Ci gaba da Ƙarfin Lantarki Na Gaba (I_F):30 mA DC
• Kewayon Zafin Aiki:-40°C zuwa +85°C
• Kewayon Zafin Ajiya:-40°C zuwa +100°C

3.2 Shawarar Tsarin Solder na IR Reflow

Bangaren ya dace da tsare-tsaren haɗa solder mara gubar (Pb-free). Shawarar bayanin haɗa solder na infrared reflow ta yi daidai da ma'aunin J-STD-020B. Wannan bayanin yana ayyana ma'auni masu mahimmanci kamar ƙimar hawan dumama, lokacin jiƙa da zafin jiki, matsakaicin zafin reflow, da ƙimar sanyaya don tabbatar da haɗin solder amintacce ba tare da lalata kunshin LED ba.

3.3 Halayen Lantarki da Na Gani

Teburin da ke gaba yana cikakken bayanin ma'auni na aiki na yau da kullun lokacin da ake tuƙa shi da daidaitaccen gwajin na'ura mai 20mA.

• Ƙarfin Haske (I_V):2100 - 3300 mcd (millicandela). An auna ta amfani da firikwensin da aka tace don dacewa da lankwasa amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 120. An ayyana shi azaman cikakkiyar kusurwar inda ƙarfin ya ragu zuwa rabin ƙimar axial mafi girma.
• Haɗin Launi (x, y):Kusan (0.31, 0.31) akan zanen chromaticity na CIE 1931, yana ayyana ma'anar fari.
• Ƙarfin Lantarki Na Gaba (V_F):2.8V - 3.6V.
• Ƙarfin Lantarki Na Baya (I_R):10 μA matsakaici a ƙarfin lantarki na baya (V_R) na 5V. Lura: Ba a ƙera wannan na'urar don aiki a ƙarƙashin ƙarancin baya ba.

4. Tsarin Rarrabawa da Matsayi

Don tabbatar da daidaito a cikin gudanar da samarwa, ana rarraba LEDs zuwa kwandon bin dangane da ma'auni masu mahimmanci. Wannan yana ba masu ƙira damar zaɓar ɓangarorin da suka dace da takamaiman buƙatun aikace-aikace don haske, ƙarfin lantarki, da launi.

4.1 Matsayin Ƙarfin Lantarki Na Gaba (V_F)

Ana rarraba LEDs ta hanyar faɗuwar ƙarfin lantarki na gaba a 20mA. Kwandon suna kewayo daga D7 (2.8V - 3.0V) zuwa D10 (3.4V - 3.6V), tare da juzu'i na ±0.1V a kowane kwandon. Wannan yana da mahimmanci don ƙirar da'irorin iyakancewar halin yanzu da kuma tabbatar da daidaiton haske a cikin tsararrun LED masu yawa.

4.2 Matsayin Ƙarfin Haske (I_V)

Ana rarraba LEDs ta hanyar ƙarfin fitar da haske. Manyan kwandon sune X1 (2100 - 2630 mcd) da X2 (2630 - 3300 mcd), tare da juzu'i na ±15% a cikin kowane kwandon. Wannan matsayi yana taimakawa wajen cimma matakan haske da ake so a cikin aikace-aikacen ƙarshe.

4.3 Matsayin Launi

An ayyana cikakken tsarin rarrabawar chromaticity ta amfani da lambobi (Z1-Z4, Y1-Y8, X1-X4, W1-W8). Kowane kwandon yana ƙayyadadden yanki mai siffar huɗu akan zanen chromaticity na CIE 1931 (x, y) tare da maki kusurwa huɗu. Wannan ƙayyadaddun rarrabawa yana tabbatar da sarrafa ƙwaƙƙwaran inuwar hasken fari da ake fitarwa, tare da juzu'i na ±0.01 a cikin duka x da y haɗin gwiwa. Takardar bayanan ta haɗa da cikakken tebur na waɗannan iyakokin haɗin gwiwa da kuma hoton yanki na haɗin chromaticity.

5. Lakatobi na Ayyuka na Yau da Kullun

Takardar bayanan tana ba da hotunan alaƙa masu mahimmanci, waɗanda ke da mahimmanci don ƙirar da'ira da sarrafa zafin jiki. Waɗannan lakatobi yawanci suna nuna:

• Ƙarfin Lantarki Na Gaba vs. Ƙarfin Lantarki Na Gaba (Lakabin I-V):Yana nuna alaƙar da ba ta da layi, mai mahimmanci don tantance wurin aiki da rushewar wutar lantarki.
• Ƙarfin Haske vs. Ƙarfin Lantarki Na Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da ƙarfin tuƙi, har zuwa matsakaicin ƙididdiga.
• Ƙarfin Haske vs. Zafin Muhalli:Yana nuna raguwar fitar da haske yayin da zafin haɗin gwiwa ke ƙaruwa, mai mahimmanci ga yanayin zafi mai girma.
• Rarraba Ƙarfin Spectral Dangane:Yana nuna ƙarfin hasken da ake fitarwa a cikin tsayin daban-daban, yana ayyana halayen launi.

6. Jagorar Mai Amfani da Umarnin Haɗawa

6.1 Hanyoyin Tsaftacewa

Kada a yi amfani da masu tsaftacewa na sinadarai da ba a bayyana ba saboda suna iya lalata kunshin LED. Idan ana buƙatar tsaftacewa bayan haɗa solder, ana iya nutsar da LED a cikin barasa na ethyl ko isopropyl alcohol a zafin daki na ƙasa da minti ɗaya.

6.2 Tsarin PCB Pad da Ake Shawarar

An ba da shawarar tsarin ƙasa (ƙafar ƙafa) don PCB don tabbatar da samuwar fillet ɗin solder daidai da kwanciyar hankali na injiniya yayin haɗa solder na infrared ko matakin tururi. Yin bin wannan tsarin yana da mahimmanci don haɗawa amintacce.

6.3 Ƙayyadaddun Kunshin Kaset da Reel

Ana samar da ɓangarorin a cikin daidaitaccen kaset ɗin mai ɗaukar kaya tare da murfin kariya. An ƙayyade cikakkun ma'auni don aljihun kaset, tazara, da faɗin kaset gabaɗaya don tabbatar da dacewa da kayan haɗawa ta atomatik.

6.4 Ƙayyadaddun Reel

Ana nannade LEDs akan reels masu diamita inci 7 (178mm). Kowane reel yana ɗauke da guda 2000. Kunshin ya yi daidai da ma'aunin ANSI/EIA-481. Ƙayyadaddun sun haɗa da matsakaicin adadin aljihu fanko a jere (biyu) da buƙatun rufe kaset.

7. Gargadi Masu Muhimmanci da Bayanan Aikace-aikace

7.1 Amfani Da Ake Nufi da Amincewa

An ƙera wannan LED don amfani a cikin daidaitattun kayan aikin lantarki kamar na'urorin ofis, kayan aikin sadarwa, da na'urorin gida. Ba a nufin aikace-aikacen da gazawar za ta iya haifar da barazana kai tsaye ga rayuwa ko lafiya (misali, jirgin sama, tallafin rayuwa na likita, tsarin aminci mai mahimmanci) ba tare da tuntuɓar farko da takamaiman cancanta ba.

7.2 Yanayin Ajiya da Gudanarwa

Kunshi Mai Rufi:Na'urorin masu hankali ga danshi an kunna su tare da busassun abu a cikin jakar shinge na danshi. Yakamata a adana su a ≤30°C da ≤70% danshin muhalli (RH) kuma a yi amfani da su cikin shekara guda bayan ranar rufe jakar.

Kunshi Da Aka Buɗe:Da zarar an buɗe asalin jakar, yanayin ajiyar muhalli bai kamata ya wuce 30°C da 60% RH ba. Yakamata ɓangarorin da aka fallasa ga yanayin muhalli su sha haɗa solder na IR reflow cikin sa'o'i 168 (kwanaki 7). Don ajiya mai tsawo bayan buɗewa, dole ne a adana LEDs a cikin akwati mai rufi tare da busassun abu ko a cikin desiccator da aka tsarkake nitrogen don hana shan danshi, wanda zai iya haifar da "popcorning" yayin reflow.

8. Tunani na Ƙira da Shawarwari na Aikace-aikace

Lokacin haɗa LTST-T680UWET cikin ƙira, dole ne a yi la'akari da abubuwa da yawa. Rarrabawar ƙarfin lantarki na gaba yana buƙatar ƙirar resistor mai iyakancewar halin yanzu ko da'irar tuƙi a hankali don tabbatar da daidaiton halin yanzu da haske a cikin LEDs da yawa, musamman lokacin haɗawa a layi daya. Faɗin kusurwar dubawa na digiri 120 ya sa ya dace da aikace-aikacen da ke buƙatar haske mai faɗi maimakon hasken da aka mayar da hankali. Sarrafa zafin jiki yana da mahimmanci; bai kamata a wuce matsakaicin zafin haɗin gwiwa ba, wanda ya haɗa da la'akari da yadda PCB ke ɗaukar zafin jiki, zafin muhalli, da rushewar wutar lantarki na LED. Don mafi kyawun sakamakon haɗa solder, bi bayanin reflow da aka bayar daidai don guje wa girgizar zafi ko lahani na solder.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da LEDs na SMD na gabaɗaya, wannan ɓangaren yana ba da ƙayyadaddun rarrabawa don ƙarfin haske, ƙarfin lantarki na gaba, da chromaticity. Wannan matakin rarrabawa yana ba masu ƙira aikin da ake iya hasashe, wanda ke da mahimmanci don samfuran da ke buƙatar daidaiton bayyanar gani da haske. Shirye-shiryen zuwa Matakin JEDEC 3 yana nuna kunshi mai ƙarfi wanda zai iya jurewa daidaitattun tsare-tsaren haɗawa na saman tare da ƙayyadaddun rayuwar bene, yana rage haɗarin gazawar da ke da alaƙa da haɗawa.

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

Q: Zan iya tuƙa wannan LED a matsakaicin halin yanzu na 30mA?
A: Yayin da yake yiwuwa, aiki a matsakaicin ƙididdiga mafi girma yana rage tsawon rayuwa kuma yana ƙara zafin haɗin gwiwa. Don mafi kyawun aminci da tsawon rayuwa, ana ba da shawarar raguwa zuwa ƙarancin halin yanzu (misali, 20mA).

Q: Menene manufar cikakken teburin rarrabawar launi?
A: Yana ba da damar daidaita launi daidai a cikin aikace-aikacen da ake amfani da LEDs da yawa a gefe (misali, tsararrun hasken baya, alamu). Zaɓin LEDs daga kwandon launi ɗaya yana tabbatar da bayyanar fari iri ɗaya ba tare da sanannen canjin launi ba.

Q: Me yasa rayuwar bene na sa'o'i 168 bayan buɗe jakar yake da mahimmanci?
A: Kunshin LED na SMD na iya shan danshi daga iska. A lokacin babban tsarin reflow na zafin jiki, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da rabuwar ciki ko fashewa ("popcorning"). Iyakar sa'o'i 168 ita ce lokacin fallasa amintacce don ƙayyadaddun matakin hankali ga danshi.

11. Misalai na Ƙira da Amfani na Aiki

Misali 1: Panel Alamar Yanayi:A cikin na'urar hanyar sadarwa, ana iya amfani da LEDs da yawa na LTST-T680UWET a bayan hulunan filastik masu canzawa don nuna wutar lantarki, ayyukan hanyar sadarwa, da yanayin tashar jiragen ruwa. Faɗin kusurwar dubawa yana tabbatar da ganuwa daga kusurwoyi daban-daban. Amfani da LEDs daga V ɗaya_Fda kuma I_Vkwandon yana tabbatar da cewa duk alamun suna da daidaiton haske lokacin da aka tuƙa su ta hanyar cibiyar resistor mai iyakancewar halin yanzu.

Misali 2: Hasken Baya don Maɓalli na Membrane:Ana iya sanya LED akan PCB mai sassauƙa a bayan maɓalli na roba na siliki don samar da hasken baya daidai. Ruwan idon rawaya zai iya taimakawa ƙirƙirar haske mai dumi ko takamaiman launi lokacin haɗawa da zane-zanen sama. Dacewa da IR reflow yana ba shi damar haɗa solder lokaci guda tare da sauran ɓangarorin SMD akan da'ira mai sassauƙa.

12. Ka'idar Aiki

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙofar halayensa, electrons suna sake haɗuwa da ramuka a cikin yankin aiki na na'urar, suna sakin makamashi a cikin nau'in photons (haske). Launin hasken an ƙaddara shi ta hanyar tazarar bandgap na kayan semiconductor da aka yi amfani da su. LED fari yawanci yana amfani da guntun semiconductor mai fitar da shuɗi wanda aka lulluɓe da Layer na phosphor. Phosphor yana ɗaukar wani ɓangare na hasken shuɗi kuma yana sake fitar da shi azaman hasken rawaya. Haɗin sauran hasken shuɗi da canza hasken rawaya idon ɗan adam yana ganinsa azaman fari. Ruwan ido na waje na rawaya yana ƙara gyara fitar da launi na ƙarshe da halayen dubawa.

13. Trends na Fasaha

Gabaɗayan yanayin fasahar LED na SMD yana ci gaba zuwa mafi girman ingancin haske (ƙarin fitar da haske a kowace watt na shigar da lantarki), yana ba da damar nunawa mai haske ko ƙarancin amfani da wutar lantarki. Hakanan akwai ƙoƙari don inganta ma'aunin nuna launi (CRI) da mafi daidaiton daidaiton launi a cikin batun samarwa. Kunshi yana haɓaka don ba da damar mafi girman yawan wutar lantarki da mafi kyawun sarrafa zafin jiki daga ƙafafu masu ƙanƙanta. Bugu da ƙari, haɗawa tare da masu tuƙi masu hankali da da'irar sarrafawa kai tsaye cikin kunshin LED wani yanki ne na ci gaba don aikace-aikacen haske mai hankali.