LTW-C191DS5 SMD LED Takardar Bayani - Tsayin 0.55mm - 3.15V Matsakaici - Wutar 72mW - Farin Launi - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTW-C191DS5 na'urar haɗawa ta saman (SMD) ce ta haske (LED) wacce aka tsara don aikace-aikacen lantarki na zamani, waɗanda ke da ƙarancin sarari. Babban siffarta shi ne tsayinta mai ƙarancin gaske, tare da tsayin fakitin milimita 0.55 kawai. Wannan siffar siriri sosai tana sa ya zama mai dacewa don haɗawa cikin na'urorin lantarki masu siriri, na'urorin hasken baya na nuni, da aikace-aikacen nuni inda iyakar tsayi ta yi ƙanƙanta.

Ta yin amfani da kayan semiconductor na InGaN (Indium Gallium Nitride), wannan LED yana fitar da farin haske. Fakitin ya yi daidai da ma'auni na EIA (Ƙungiyar Masana'antu ta Lantarki), yana tabbatar da dacewa da injinan ɗauka da sanyawa na atomatik na masana'antu da tsarin fakitin tef da reel. An ƙayyade samfurin a matsayin Samfurin Kore kuma ya bi ka'idar RoHS (Ƙuntata Abubuwa masu haɗari), ma'ana an ƙera shi ba tare da amfani da wasu abubuwa masu haɗari kamar gubar, mercury, da cadmium ba.

Babban fa'idodin wannan ɓangaren sun haɗa da ƙaramin ƙafarsa, dacewa da hanyoyin haɗawa na atomatik masu yawa, da dacewa don gishiri na sake kwarara na infrared (IR), wanda shine daidaitaccen hanyar gishiri da ake amfani da shi a cikin layukan haɗawa na fasahar haɗawa ta saman (SMT).

2. Zurfin Cikakkun Bayanai na Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin kuma ya kamata a guje su a cikin ƙira mai dogaro.

• Rushewar Wutar Lantarki (Pd):72 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa a matsayin zafi ba tare da wuce matsakaicin zafin haɗin gwiwa ba.
• Halin Gaba na DC (IF):20 mA. Matsakaicin ci gaba na gaba wanda za'a iya amfani da shi.
• Matsakaicin Halin Gaba:100 mA, amma kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Wannan yana ba da damar ɗan gajeren walƙiya mai ƙarfi.
• Ƙarfin Lantarki na Baya (VR):5 V. Wuce wannan ƙarfin lantarki a cikin karkatar da baya na iya haifar da rushewa nan take. Takardar bayani ta bayyana cewa aikin ƙarfin lantarki na baya ba zai iya ci gaba ba.
• Kewayon Zafin Aiki (Topr):-30°C zuwa +85°C. Kewayon zafin yanayin da aka tsara na'urar don yin aiki.
• Kewayon Zafin Ajiya (Tstg):-55°C zuwa +105°C.
• Yanayin Gishiri na Infrared:Yana jure zafin kololuwar 260°C na dakika 10, yana daidaitawa da yanayin sake kwarara maras gubar.

2.2 Halaye na Lantarki & Na Gani

Waɗannan su ne madaidaicin sigogin aiki da aka auna a zafin yanayi (Ta) na 25°C. Ya kamata ƙirar ta dogara ne akan mafi ƙanƙanta da matsakaicin iyakoki, ba kawai ƙimar al'ada ba.

• Ƙarfin Hasken Hasken (Iv):Ya bambanta daga mafi ƙanƙanta na 71.0 mcd zuwa na al'ada 180.0 mcd a halin gaba (IF) na 5 mA. Ana auna ƙarfi ta amfani da firikwensin da aka tace don dacewa da lanƙwasa amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan faɗaɗa kusurwar dubawa tana nuna tsarin fitarwa na Lambertian ko kusa da Lambertian, wanda ya dace da hasken yanki maimakon katakon da aka mayar da hankali.
• Haɗin Haɗin Launi (x, y):Ƙimar al'ada sune x=0.304, y=0.301 a IF=5mA, suna sanya farin baki a cikin wani yanki na sararin launi na CIE 1931. Tolerancin ±0.01 ya shafi waɗannan haɗin gwiwar.
• Ƙarfin Lantarki na Gaba (VF):Tsakanin 2.70 V (m) da 3.15 V (max) a IF=5mA. Wannan kewayon yana da mahimmanci don ƙirar da'irar direba.
• Halin Baya (IR):Matsakaicin 10 µA lokacin da aka yi amfani da ƙarfin lantarki na baya (VR) na 5V.

Takaicin Watsawar Tashin Lantarki (ESD):LED yana da hankali ga tashin lantarki da haɓakar ƙarfin lantarki. Daidaitattun sarrafawa na ESD, kamar tashoshi na aiki da aka kafa, igiyoyin wuyan hannu, da fakitin anti-static, wajibi ne yayin sarrafawa.

3. Bayanin Tsarin Rarrabawa

Saboda bambance-bambancen da ke cikin masana'antar semiconductor, ana rarraba LED cikin kwandon aiki. LTW-C191DS5 yana amfani da tsarin rarrabawa mai girma uku:

3.1 Rarrabawar Ƙarfin Lantarki na Gaba (VF)

Ana rarraba LED bisa ga raguwar ƙarfin lantarki a 5 mA.

- Kwandon A: 2.70V - 2.85V

- Kwandon B: 2.85V - 3.00V

- Kwandon C: 3.00V - 3.15V

Jurewa: ±0.1V kowace kwandon.

3.2 Rarrabawar Ƙarfin Hasken Hasken (Iv)

Ana rarraba LED ta hanyar fitar da haske a 5 mA.

- Kwandon Q: 71.0 mcd - 112.0 mcd

- Kwandon R: 112.0 mcd - 180.0 mcd

Jurewa: ±15% kowace kwandon.

3.3 Rarrabawar Hue (Launi)

Wannan shine kwandon mafi rikitarwa, yana ayyana haɗin launi akan zanen CIE 1931. An ayyana kwando shida (S1 zuwa S6) ta hanyar ma'auni huɗu waɗanda ke ƙayyade iyakokin haɗin gwiwar (x,y). Zanen da aka bayar yana taswirar waɗannan kwando a zahiri. Matsakaicin madaidaicin launi (x=0.304, y=0.301) ya faɗi cikin yankin S3/S4. Jurewa akan hue shine ±0.01 a cikin haɗin gwiwar x da y.

Wannan rarrabawar yana ba masu ƙira damar zaɓar LED tare da ƙayyadaddun kaddarorin lantarki da na gani don daidaitaccen aiki a aikace-aikacensu, musamman mahimmanci a cikin jerin LED masu yawa inda daidaiton launi da haske ke da mahimmanci.

4. Bayanin Injiniya da Fakitin

4.1 Girman Fakitin

Takardar bayani ta haɗa da cikakkun zane-zane masu girma na fakitin LED. Manyan fasalulluka sun haɗa da tsayin 0.55mm da ƙafar ƙafar ma'auni na EIA don sarrafa atomatik. Duk girmansu suna cikin milimita tare da daidaitaccen jurewa na ±0.10mm sai dai idan an ƙayyade.

4.2 Tsarin Gishiri da aka Shawarta

An ba da shawarar tsarin ƙasa (ƙafar ƙafa) don PCB. Bin wannan ƙirar yana da mahimmanci don cimma haɗin gishiri mai dogaro, hana kabari (ɗayan ƙarshen ya tashi), da tabbatar da daidaitaccen daidaito yayin sake kwarara.

4.3 Fakitin Tef da Reel

Ana ba da LED a cikin tef ɗin ɗaukar hoto, an rufe shi da tef ɗin murfi, kuma an nannade shi akan reels masu diamita 7-inch (178mm). Daidaitaccen adadin reel shine guda 5,000. Fakitin ya bi ka'idodin ANSI/EIA 481-1-A-1994. An ba da mahimman bayanai na tef da reel don saitin mai ciyarwa a cikin injunan haɗawa.

5. Jagororin Haɗawa, Sarrafawa, da Dogaro

5.1 Tsarin Gishiri

Bangaren ya dace da cikakken hanyoyin gishiri na sake kwarara na infrared. An ba da shawarar bayanin martaba na sake kwarara, tare da mahimman sigogi:

- Pre-heat:150-200°C

- Lokacin Pre-heat:Matsakaicin dakika 120

- Zafin Kololuwa:Matsakaicin 260°C

- Lokaci sama da 260°C:Matsakaicin dakika 10

- Adadin sake zagayowar kwarara:Matsakaicin sau biyu.

Takardar bayani tana nuni ga ma'auni na JEDEC don haɓaka bayanin martaba kuma tana jaddada cewa dole ne a siffanta bayanin martaba na ƙarshe don takamaiman ƙirar PCB, ɓangarorin, da man gishiri da aka yi amfani da su.

Don sake aikin hannu tare da ƙarfe na gishiri, dole ne zafin ƙarshen bai wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance zuwa dakika 3, sau ɗaya kawai.

5.2 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gishiri, kawai ya kamata a yi amfani da takamaiman kaushi. Nitsar LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya yana da kyau. Amfani da sinadarai da ba a ƙayyade ba na iya lalata fakitin LED.

5.3 Ajiya da Hankalin Danshi

LED na'urori ne masu hankali ga danshi. An zayyana sharuɗɗan ajiya masu tsauri:

- Jaka Mai Rufi:Ajiye a ≤30°C da ≤90% RH. Yi amfani da shi cikin shekara guda bayan buɗe jakar.

- Bayan Buɗe Jakar:Ajiye a ≤30°C da ≤60% RH. Ana ba da shawarar kammala sake kwarara na IR cikin sa'o'i 672 (kwanaki 28).

- Ajiya Mai Tsayi (An Buɗe):Ajiye a cikin akwati mai rufi tare da desiccant ko a cikin desiccator na nitrogen.

- Bayyanar >672 hours:Ana buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin gishiri don cire danshin da aka sha da hana "popcorning" (fashewar fakitin yayin sake kwarara).

6. Bayanan Aikace-aikace da La'akari da Ƙira

6.1 Aikace-aikacen Al'ada

LTW-C191DS5 an yi niyya ne don kayan aikin lantarki na yau da kullun, gami da:

- Alamomin matsayi akan na'urorin lantarki na mabukaci (wayoyi, kwamfutocin hannu, na'urorin hanyar sadarwa).

- Hasken baya don nunin LCD, maɓallan maɓalli, ko bangarori a cikin na'urori masu siriri.

- Hasken kayan ado a cikin na'urori.

- Fitilun nuni na gabaɗaya.

Mahimman Iyakacin Aikace-aikace:Takardar bayani ta bayyana a sarari cewa wannan LED ba an tsara shi don aikace-aikace inda gazawar za ta iya haifar da rayuwa ko lafiya ba (misali, jirgin sama, tallafin rayuwa na likita, tsarin amincin sufuri). Don irin waɗannan aikace-aikacen dogaro mai girma, ana buƙatar tuntubar takamaiman samfur.

6.2 Ƙirar Da'ira

1. Iyakance Halin Yanzu:LED na'urar da aka tuƙa ce ta halin yanzu. Resistor mai iyakance halin yanzu na jeri ko da'irar direba mai ci gaba da halin yanzu yana da mahimmanci don hana wuce matsakaicin halin gaba na DC (20 mA), ko da ƙarfin lantarki ya canza. Dole ne ƙirar ta yi la'akari da kwandon ƙarfin lantarki na gaba (A, B, ko C).

2. Kariya ta Ƙarfin Lantarki na Baya:Kamar yadda matsakaicin ƙarfin lantarki na baya shine 5V kawai, dole ne a kula a cikin ƙirar da'ira don guje wa fallasa LED ga karkatar da baya, musamman a cikin aikace-aikacen AC ko sigina bipolar. Diode na kariya a layi daya (cathode-to-cathode) na iya zama dole.

3. Gudanar da Thermal:Duk da cewa rushewar wutar lantarki yana da ƙasa (72mW), tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi a ƙarƙashin fakitin zafi na LED (idan ya dace) yana taimakawa wajen kiyaye ƙananan zafin haɗin gwiwa, wanda ke da mahimmanci don daidaiton fitarwa mai haske na dogon lokaci da tsawon rai.

6.3 Ƙirar Gani

Faɗaɗa kusurwar dubawa na digiri 130 yana ba da tsarin haske mai faɗi, mai watsewa. Don aikace-aikacen da ke buƙatar katako mafi jagora, za a buƙaci ƙirar na'urorin gani na biyu (ruwan tabarau, jagororin haske) kuma a sanya su akan LED. Siffar siriri sosai tana da fa'ida lokacin haɗawa cikin ƙungiyoyin gani masu matsi ko bayan faranti masu siriri na jagorar haske (LGPs).

7. Kwatancen Fasaha da Matsayi

Babban bambancin LTW-C191DS5 shine tsayinsa na 0.55mm. Idan aka kwatanta da daidaitattun fakitin LED na 0603 ko 0402 waɗanda galibi suke tsayin 0.8-1.0mm, wannan yana wakiltar raguwa mai mahimmanci a cikin tsayin Z. Wannan yana ba da damar samar da samfuran ƙarshe masu siriri. Fasahar InGaN tana ba da tushen farin haske na zamani, mai inganci idan aka kwatanta da tsofaffin fasahohi. Cikakken tsarin rarrabawa yana ba da mafi kyawun daidaito don aikace-aikacen masu hankali ga inganci fiye da LED da ba a rarraba su ba ko kuma an rarraba su sosai. Dacewarsa da daidaitattun hanyoyin SMT yana sa ya zama maye gurbin LED masu kauri a yawancin ƙira, yana ba da hanya madaidaiciya don ƙananan samfur.

8. Tambayoyin da ake yawan yi (Dangane da Sigogin Fasaha)

Q: Zan iya tuƙa wannan LED a 20mA akai-akai?

A: Ee, 20mA shine matsakaicinci gabamatsakaicin halin gaba na DC. Don mafi kyawun tsawon rai da kuma la'akari da tasirin zafi, ana ba da shawarar tuƙa shi a ƙaramin halin yanzu (misali, 10-15 mA).

Q: Menene bambanci tsakanin kwandon Iv Q da R?

A: LED na Kwandon R suna da mafi girman ƙaramin ƙarfin haske (112 mcd vs. 71 mcd) a gwajin halin yanzu 5mA iri ɗaya. Zaɓin Kwandon R yana tabbatar da fitarwa mai haske amma yana iya zuwa da ɗan tsada kaɗan.

Q: Me yasa danshin ajiya yake da mahimmanci sosai bayan buɗe jakar?

A: Fakitin LED na iya sha danshi daga iska. A lokacin babban zafin jiki na sake kwarara gishiri, wannan danshin da aka kama yana canzawa zuwa tururi da sauri, yana iya haifar da rabuwar ciki ko fashewar fakitin filastik ("popcorning"). Ƙayyadaddun yanayin ajiya da buƙatun gasa suna hana wannan yanayin gazawa.

Q: Ta yaya zan fassara zanen rarrabawar Hue?

A: Zanen CIE 1931 yana tsara launi. Ma'auni huɗu masu lakabi shida (S1-S6) suna wakiltar yankunan haɗin launi da aka yarda da su don LED a cikin wannan kwandon hue. Dole ne auna haɗin gwiwar (x,y) na LED ya faɗi cikin polygon na kwandon da aka ba shi. Wannan yana tabbatar da cewa duk LED da aka yiwa lakabi da kwandon hue iri ɗaya za su bayyana launi iri ɗaya ga idon ɗan adam a ƙarƙashin daidaitattun yanayi.

9. Nazarin Ƙira da Amfani

Labari: Ƙirar alamar matsayi don mai bin Bluetooth mai siriri sosai.

Ƙirar masana'antar samfurin tana ba da damar tsayin ciki na 0.6mm kawai don haɗin LED na nuni. LED na al'ada ba zai dace ba.

Magani:An zaɓi LTW-C191DS5, tare da tsayinsa na 0.55mm. Mai zanen yana amfani da girman fakitin don ƙirar yankin PCB, yana ba da damar LED ya zauna daidai da allon, yana adana mahimman kashi na milimita. An yi amfani da IC direba mai ci gaba da halin yanzu da aka saita zuwa 5mA don tabbatar da daidaiton haske ba tare da la'akari da raguwar ƙarfin lantarki na baturi ba. LED daga Kwandon R da Hue Bin S3 an ƙayyade su a cikin Lissafin Kayan don tabbatar da haske mai haske, farin haske iri ɗaya a duk raka'a na samarwa. Gidan haɗawa yana bin shawarar bayanin martaba na sake kwarara da ka'idar rayuwar bene na sa'o'i 672, wanda ya haifar da yawan samarwa mai girma da aikin dogaro a fagen.

10. Gabatarwar Fasaha da Trends

Fasahar InGaN:Indium Gallium Nitride shine kayan semiconductor da ake amfani da shi a cikin wannan farin LED. Yawanci, guntu na InGaN mai fitar da shuɗi ana haɗa shi tare da murfin phosphor rawaya a cikin fakitin. Hasken shuɗi yana motsa phosphor, wanda ke sake fitar da hasken rawaya; gaurayawan shuɗi da rawaya idon ɗan adam yana ganinsa a matsayin fari. Wannan hanya ce mai inganci sosai don samar da farin haske daga na'urori masu ƙarfi.

Trends na Masana'antu:Tunkudar ƙananan ƙira a cikin kayan lantarki yana ci gaba ba tare da katsewa ba. Abubuwa kamar LTW-C191DS5 suna wakiltar ci gaba da raguwar tsayin Z (kauri) na ɓangarorin m da masu aiki don ba da damar wayoyin hannu masu siriri, kwamfutocin hannu, abubuwan sawa, da na'urorin IoT. Bugu da ƙari, fifikon daidaitaccen rarrabawa yana nuna buƙatun kasuwa don inganci mafi girma da daidaiton gani a cikin kayayyakin masu amfani. Haɗa biyayya da RoHS da dacewa tare da hanyoyin sake kwarara marasa gubar, masu zafi yanzu buƙata ce ta tushe, wadda dokokin muhalli na duniya suka motsa.