Zaɓi Harshe

Bayanin LED Fari RF-WUD191DS-DD - Girman 1.6x0.8x0.98mm - Ƙarfin Gaba 2.8-3.7V - Ƙarfin Wutar 111mW - Takardar Fasaha

Cikakken bayanin fasaha na LED fari mai haɗawa da ƙasa, mai ƙaramin girma 1.6x0.8x0.98mm, faɗin kusurwar kallo na digiri 140, kewayon ƙarfin gaba 2.8-3.7V, da ƙarfin haske har zuwa 1200mcd. Ya haɗa da sigogi na lantarki, na gani, na injiniya, marufi, da jagororin handling.
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Matsayin Ku
Kun riga kun yi matsayin wannan takarda
Murfin Takardar PDF - Bayanin LED Fari RF-WUD191DS-DD - Girman 1.6x0.8x0.98mm - Ƙarfin Gaba 2.8-3.7V - Ƙarfin Wutar 111mW - Takardar Fasaha

Teburin Abubuwan Ciki

1. Bayanin Samfura

Wannan takarda tana ba da cikakken bayanin fasaha na babban LED fari mai haske (LED) mai haɗawa da ƙasa. An ƙera na'urar don aikace-aikacen lantarki na zamani waɗanda ke buƙatar ingantaccen bayani, mai ƙarfi, da ƙananan hanyoyin haske.

1.1 Matsayin Samfura da Bayanin Gabaɗaya

LED shine tushen hasken fari da aka ƙera ta amfani da ƙwayar semiconductor shuɗi mai haɗawa da rufin phosphor don samun fitar da hasken fari mai faɗi. Matsayinsa na farko shine a matsayin abu mai ƙima, mai dogaro sosai don na'urorin lantarki masu yawa. Ƙananan girman marufi na tsawon 1.6mm, faɗin 0.8mm, da tsayin 0.98mm sun sa ya zama mai kyau don aikace-aikacen da ke da ƙaramin sarari. Ana rarraba samfurin a matsayin abu na samarwa masu yawa, yana nuna girmansa da dacewa don samarwa mai yawa.

1.2 Fa'idodi da Siffofi na Asali

LED yana ba da fa'idodi daban-daban waɗanda ke sa ya zama zaɓi na farko ga masu ƙira:

Wannan LED ana yi masa niyya zuwa faɗin kasuwanni a cikin na'urorin lantarki na masu amfani, sarrafa masana'antu, da sassan kayan aiki. Aikace-aikacensa na farko sun haɗa da:

Masu Nuna Alama na Gani:

Wannan sashe yana ba da cikakken bayani, fassarar abin da ake nufi da sigogi na lantarki, na gani, da na zafi da aka ƙayyade don LED, wanda ke da mahimmanci don ƙirar da'ira daidai da hasashen aiki.

2.1 Halayen Photoelectric

An ayyana aikin photoelectric a daidaitan gwajin gwaji (I

) na 20mA da yanayin yanayi (TF) na 25°C.sƘarfin Hasken (I

Ƙarfin Gaba (V

Sarrafa thermal yana da mahimmanci don LED tsawon rayuwa da kwanciyar hankali na aiki.

Thermal Resistance (R

An siffanta LED kuma an jera shi (binning) bisa mahimman sigogi don tabbatar da daidaito a cikin batutuwan samarwa, wanda ke da mahimmanci don aikace-aikacen da ke buƙatar daidaitaccen aiki na gani ko na lantarki.

3.1 Binning na Ƙarfin Gaba

An jera ƙarfin gaba zuwa bin daban-daban goma (G1, G2, H1, H2, I1, I2, J1, J2, K1). Kowane bin ya ƙunshi kewayon 0.1V daga 2.8V zuwa 3.7V. Masu ƙira na iya ƙayyade bin na ƙarfin lantarki don dacewa da halayen fitarwa na da'irar su, haɓaka inganci da daidaiton haske a cikin LED da yawa a cikin jeri.

3.2 Binning na Flux/Ƙarfin Hasken

An bin ƙarfin haske zuwa codes biyar (J20, K10, K20, L10, L20), tare da kowane wakiltar takamaiman kewayon fitarwa na millicandela. Wannan yana ba da damar zaɓi bisa buƙatun haske, yana ba da damar hasashen matakan fitar da haske a cikin aikace-aikacen ƙarshe.

3.3 Chromaticity (Launi) Binning

An ayyana ma'anar fari akan zane na chromaticity na CIE ta amfani da bin codes shida (K11, K21, K12, K22, K51, K61). Kowane bin shine quadrilateral da aka ayyana ta hanyar saiti huɗu na coordinates (x, y). Wannan daidaitaccen binning yana tabbatar da ƙaramin bambancin launi da ake iya gani tsakanin LED daga bin ɗaya, wanda ke da mahimmanci musamman don aikace-aikacen da ke amfani da LED da yawa tare.

4. Bincike na Lanƙwasa Aiki

Yayin da PDF ke nuni da lanƙwasa na halayen gani na al'ada, bayanan da aka bayar suna ba da damar bincike na mahimman alaƙa.

4.1 Alamar IV Relationship

Bin na ƙarfin gaba da ƙimar halin yanzu suna nuna da'irar diode IV na al'ada. Ƙarfin lantarki yana ƙaruwa tare da halin yanzu a cikin logarithm. Yin aiki sama da shawarar 20mA zai haifar da mafi girma V

da ƙara yawan ragewar wutar lantarki da yanayin junction, wanda dole ne a sarrafa shi ta hanyar zafi ko raguwar halin yanzu.F4.2 Halayen Yanayin Zafi

An ƙayyade sigogi a 25°C. A aikace, aikin LED yana canzawa tare da zafin jiki. Yawanci, ƙarfin gaba yana raguwa ɗan kaɗan tare da ƙara yawan zafin jiki (coefficient mara kyau na zafin jiki), yayin da fitar da haske kuma yana raguwa. Matsakaicin yanayin junction na 95°C shine iyaka mai mahimmanci na ƙira. Thermal resistance na 450°C/W yana nufin shimfidar PCB da yankin jan ƙarfe suna da mahimmanci don kawar da zafi. Don ingantaccen aiki na dogon lokaci, yanayin junction ya kamata a kiyaye shi ƙasa ƙasa, ƙasa ƙasa da mafi girman iyaka.

4.3 Rarraba Spectral

A matsayin LED fari mai canza phosphor, spectrum ɗinsa ya ƙunshi kololuwa daga guntu shuɗi (yawanci kusa da 450-460nm) da babban band na fitarwa daga phosphor rawaya. Haɗe-haɗen spectrum yana ayyana Correlated Color Temperature (CCT) da kaddarorin launi, waɗanda aka haɗa su a cikin bin chromaticity da aka ƙayyade akan zane na CIE.

5. Bayanin Injiniya da Marufi

5.1 Zane-zane da Tolerances na Girma

Marufi na'urar haɗawa da ƙasa ce mai rectangular. Mahimman girma sun haɗa da girman jiki na 1.60mm x 0.80mm da tsayin 0.98mm. Girman tasha (pad) da tazara an ayyana su a fili a cikin tsarin gudanar da shawarar. Duk tolerances na girma su ne ±0.2mm sai dai idan an ƙayyade su, wanda shine ma'auni don wannan rukunin kayan aiki.

5.2 Shawarar Ƙirar Pad

Datasheet yana ba da shawarar tsarin ƙasa (tsarin gudanar) don ƙirar PCB. Wannan tsari yana da mahimmanci don samun haɗin gudanar mai dogaro, daidaitaccen daidaitawa, da ingantaccen canja wurin zafi daga LED zuwa PCB. Bin wannan shawarar yana taimakawa hana tombstoning kuma yana tabbatar da kwanciyar hankali na injiniya.

5.3 Gano Polarity

LED yana da polarized. Ana yiwa alama cathode, sau da yawa ta alamar kore ko notch akan marufi. Daidaitaccen shugabanci yayin haɗawa yana da mahimmanci don na'urar yin aiki. Zane na datasheet yana nuna matsayin anode da cathode dangane da alamar marufi.

6. Jagororin Gudanarwa da Haɗawa

6.1 Sigogi na Reflow Soldering

Wani sashe na musamman yana ba da umarnin reflow soldering na SMT. Yayin da cikakkun bayanai na bayanin yanayin zafi ba su cikin abin da aka fitar ba, jagororin gabaɗaya don kayan aiki masu rauni na Mataki 3 suna aiki. Waɗannan yawanci sun haɗa da:

Pre-baking kayan aiki idan an buɗe jakar shinge na danshi fiye da ƙayyadaddun rayuwar bene (yawanci sa'o'i 168 don MSL 3) don cire danshin da aka ɗauka.

Mahimman matakan kariya sun haɗa da:

Kariya daga ESD:

Ya kamata a adana kayan aiki a cikin ainihin marufinsu a cikin yanayi mai zafin jiki tsakanin -40°C da +85°C da ƙananan danshi, kamar yadda ƙimar yanayin ajiyar take.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Marufi

Ana ba da LED a cikin marufi na masana'antu na al'ada don haɗawa mai sarrafa kansa:

Kaset ɗin Carrier:

Marufi ya haɗa da alamun da ke ɗauke da bayanan samfura, lambobin lot, da alamun matakin hankali na danshi (MSL 3). Ana tattara kayan aiki a cikin jakar shinge na danshi tare da desiccant don kiyaye ƙayyadaddun matakin danshi yayin ajiya da jigilar kaya, wanda ke da mahimmanci don sassan MSL 3.

7.3 Lambar Model da Zaɓin Bin

Lambar model na asali shine RF-WUD191DS-DD. Lokacin yin oda, dole ne a ƙayyade takamaiman bin codes don ƙarfin gaba (misali, G1, H2) da ƙarfin haske (misali, L10, K20) don samun halayen lantarki da na gani da ake so. Ana iya zaɓar bin codes na chromaticity.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

Bayan amfani da aka jera (masu nuna alama, hasken baya na maɓalli), wannan LED ya dace don:

Kayan Lantarki na Masu Amfani:

Iyaka Halin yanzu:

Idan aka kwatanta da LED na gabaɗaya marasa binning ko manyan LED na marufi, wannan na'urar tana ba da bambance-bambance masu mahimmanci:

Fa'idar Girma:

Q1: Shin zan iya tuƙi wannan LED kai tsaye daga wutar lantarki 5V ba tare da resistor ba?

A: A'a. Ba tare da resistor mai iyakancewar halin yanzu ba, LED zai jawo halin yanzu mai yawa, da sauri ya wuce matsakaicin ƙimar wutar lantarki da ƙimar halin yanzu, yana haifar da gazawa nan da nan ko cikin sauri saboda zafi mai yawa.

Q2: Menene tsawon rayuwar al'ada na wannan LED?

A: Tsawon rayuwar LED yawanci ana ayyana shi azaman inda fitar da haske ya ragu zuwa 70% na ƙimarsa na farko (L70). Kodayake ba a bayyana shi a fili a nan ba, tsawon rayuwa yana dogara sosai akan yanayin aiki, da farko yanayin junction. Yin aiki ƙasa ƙasa da matsakaicin T

na 95°C (misali, ƙasa da 70-80°C) zai tabbatar da dogon lokacin aiki, sau da yawa ya wuce sa'o'i 50,000.jQ3: Ta yaya zan zaɓi daidaitaccen ƙimar resistor mai iyakancewar halin yanzu?

A: Yi amfani da Dokar Ohm: R = (V

supply- V) / IF. Yi amfani da matsakaicin VFdaga zaɓaɓɓen bin ɗin ku don ƙira mai ra'ayin mazan jiya don tabbatar da cewa halin yanzu bai wuce manufar ku ba (misali, 20mA). Don wutar lantarki 5V da VFbin na 3.2V max: R = (5 - 3.2) / 0.02 = 90 ohms. resistor na al'ada na 91-ohm ko 100-ohm zai dace.FQ4: Me yasa Matakin Hankali na Danshi (MSL 3) yake da mahimmanci?

A> Lokacin da abubuwan da suka shafi danshi suka fuskanci manyan yanayin zafi na reflow soldering, danshin da aka kama zai iya ƙafewa cikin sauri, yana haifar da ɓarna na ciki ko "popcorning," wanda ke fashe marufi. MSL 3 yana nuna cewa bayan an buɗe jakar, dole ne a gudanar da kayan aikin cikin sa'o'i 168 (7 kwanaki) ko a gasa su don cire danshi.

11. Misalin Amfani na Aiki

Yanayi: Ƙirar Panel na Nuna Alama da Yawa

Mai ƙira yana ƙirƙira panel ɗin sarrafawa tare da fitilun LED fari goma. Daidaiton haske da launi yana da mahimmanci don ƙwarewar mai amfani.

Ai da aikacewa:

Zaɓin Bin:

  1. Ƙayyade bin ƙarfin haske ɗaya (misali, L10 don babban haske) da bin chromaticity ɗaya (misali, K21) don duk LED goma don tabbatar da daidaiton gani.Ƙirar Da'ira:
  2. Zaɓi bin ƙarfin gaba (misali, H1: 3.0-3.1V). Ƙirar da'irar direba tare da rassan resistor mai iyakancewar halin yanzu guda goma iri ɗaya, kowane an ƙididdige shi ta amfani da matsakaicin Vdaga bin H1 don tabbatar da daidaitaccen halin yanzu da haske a duk LED ko da tare da ƙananan VFShimfidar PCB:F variations.
  3. Ga kowane LED, ba da zube na jan ƙarfe a kusa da pads na gudanar a matsayin taimako na zafi. Tabbatar da cewa PCB yana da isassun yadudduka na jan ƙarfe gabaɗaya ko ramukan zafi don kawar da jimillar zafi daga duk LED goma.Haɗawa:
  4. Bi matakan handling na MSL 3. Yi amfani da bayanin reflow da aka ba da shawarar don tabbatar da haɗin gudanar mai dogaro ba tare da lalata kayan aiki ba.Wannan hanyar tana amfani da tsarin binning don samun sakamako na ƙwararru, mai daidaito.
12. Gabatarwar Ƙa'idar Aiki

Samar da hasken fari a cikin wannan LED yana dogara ne akan ƙa'idar canjin phosphor. Asalinsa shine guntu semiconductor da aka yi da kayan kamar indium gallium nitride (InGaN) wanda ke fitar da hasken shuɗi lokacin da aka yi masa bias na gaba (electroluminescence). Wannan hasken shuɗi wani ɓangare yana ɗaukar shi ta hanyar Layer na phosphor mai fitar da rawaya (yawanci YAG:Ce) da aka ajiye akan guntu. Phosphor yana sake fitar da makamashin da aka ɗauka azaman babban bakan hasken rawaya. Haɗuwar sauran hasken shuɗi da ba a ɗauke shi ba da kuma canjin hasken rawaya yana haifar da ganin hasken fari ta idon mutum. Daidai adadin shuɗi da rawaya suna ƙayyade Correlated Color Temperature (CCT), suna sanya ma'anar fari a cikin takamaiman yanki akan zane na chromaticity na CIE, kamar yadda bin codes suka ayyana.

13. Trends na Masana'antu da Mahallin

Ci gaban LED kamar wannan wani ɓangare ne na faɗaɗa trends a cikin optoelectronics:

Ƙanƙantawa:

This component represents a mature, well-characterized solution within these evolving market demands, offering a reliable balance of size, performance, and cost for volume production.

Kalmomin Ƙayyadaddun LED

Cikakken bayanin kalmomin fasaha na LED

Aikin Hasken Wutar Lantarki

Kalma Naúrar/Wakilci Bayanin Sauri Me yasa yake da muhimmanci
Ingancin Hasken Wuta lm/W (lumen kowace watt) Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari. Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki.
Gudun Hasken Wuta lm (lumen) Jimillar hasken da tushe ke fitarwa, ana kiransa "haske". Yana ƙayyade ko hasken yana da haske sosai.
Kusurwar Dubawa ° (digiri), misali 120° Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske. Yana shafar kewar haskakawa da daidaito.
Zafin Launi (CCT) K (Kelvin), misali 2700K/6500K Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi. Yana ƙayyade yanayin haskakawa da yanayin da suka dace.
CI / Ra Ba naúrar, 0–100 Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau. Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi.
SDCM Matakan ellipse MacAdam, misali "5-mataki" Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi. Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya.
Matsakaicin Tsawon Raɗaɗin Hasken nm (nanomita), misali 620nm (ja) Tsawon raɗaɗin haske daidai da launin LED masu launi. Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya.
Rarraba Bakan Hasken Layin tsawon raɗaɗi da ƙarfi Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske. Yana shafar ba da launi da ingancin launi.

Ma'auni na Lantarki

Kalma Alamar Bayanin Sauri Abubuwan ƙira
Ƙarfin lantarki na gaba Vf Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa". Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere.
Ƙarfin lantarki na gaba If Ƙimar ƙarfin lantarki don aikin LED na yau da kullun. Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai.
Matsakaicin Ƙarfin lantarki na bugun jini Ifp Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya. Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa.
Ƙarfin lantarki na baya Vr Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa. Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki.
Juriya na zafi Rth (°C/W) Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau. Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi.
Rigakafin ESD V (HBM), misali 1000V Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni. Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali.

Gudanar da Zafi & Amincewa

Kalma Ma'aunin maɓalli Bayanin Sauri Tasiri
Zazzabin Haɗin gwiwa Tj (°C) Ainihin yanayin aiki a cikin guntun LED. Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi.
Ragewar Lumen L70 / L80 (sa'o'i) Lokacin da haske ya ragu zuwa 70% ko 80% na farko. Kai tsaye yana ayyana "tsawon sabis" na LED.
Kula da Lumen % (misali 70%) Kashi na hasken da aka riƙe bayan lokaci. Yana nuna riƙon haske akan amfani na dogon lokaci.
Canjin Launi Δu′v′ ko ellipse MacAdam Matsakaicin canjin launi yayin amfani. Yana shafar daidaiton launi a cikin yanayin haskakawa.
Tsufa na Zafi Lalacewar kayan aiki Lalacewa saboda yanayin zafi na dogon lokaci. Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye.

Tufafi & Kayan Aiki

Kalma Nau'ikan gama gari Bayanin Sauri Siffofi & Aikace-aikace
Nau'in Kunshin EMC, PPA, Yumbu Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi. EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai.
Tsarin Guntu Gaba, Guntu Juyawa Tsarin na'urorin lantarki na guntu. Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi.
Rufin Phosphor YAG, Silicate, Nitride Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari. Phosphor daban-daban suna shafar inganci, CCT, da CRI.
Ruwan tabarau/Optics Lefi, Microlens, TIR Tsarin gani a saman yana sarrafa rarraba haske. Yana ƙayyade kusurwar dubawa da layin rarraba haske.

Kula da Inganci & Rarraba

Kalma Abun rarraba Bayanin Sauri Manufa
Kwalin Gudun Hasken Lambar misali 2G, 2H An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen. Yana tabbatar da daidaiton haske a cikin jeri ɗaya.
Kwalin Ƙarfin lantarki Lambar misali 6W, 6X An tattara su ta hanyar kewayon ƙarfin lantarki na gaba. Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin.
Kwalin Launi Ellipse MacAdam 5-mataki An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon. Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin.
Kwalin CCT 2700K, 3000K da sauransu An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa. Yana cika buƙatun CCT na yanayi daban-daban.

Gwaji & Takaddun Shaida

Kalma Matsakaicin/Gwaji Bayanin Sauri Muhimmanci
LM-80 Gwajin kula da lumen Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske. Ana amfani dashi don kimanta rayuwar LED (tare da TM-21).
TM-21 Matsakaicin kimanta rayuwa Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80. Yana ba da hasashen kimiyya na rayuwa.
IESNA Ƙungiyar Injiniyoyin Haskakawa Yana rufe hanyoyin gwajin gani, lantarki, zafi. Tushen gwaji da masana'antu suka amince.
RoHS / REACH Tabbatarwar muhalli Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury). Bukatar shiga kasuwa a duniya.
ENERGY STAR / DLC Tabbatarwar ingancin kuzari Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa. Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa.