Takardar Bayani na Fasaha na LED T3B Series 3014 Dual Chip 0.25W Fari - Girman 3.0x1.4x0.8mm - Ƙarfin Lantarki 6.3V - Wutar Lantarki 0.25W

1. Bayyani Game da Samfur

T3B series na wakiltar iyali na na'urorin LED da ake hawa a saman (SMD) ta amfani da girmen fakitin 3014. Siffar da ta bambanta wannan jerin ita ce hadewar guda biyu na LED da aka haɗa a jere a cikin fakitin guda ɗaya. An tsara wannan tsari don aikace-aikacen da ke buƙatar ƙarfin lantarki na gaba (Vf) mafi girma fiye da na LED guda ɗaya na yau da kullun, yayin da ake kiyaye ƙaramin siffa. Babban aikace-aikacen yana cikin na'urorin hasken baya, fitilun nuni, da hasken gabaɗaya inda sarari ya yi ƙunci kuma ana buƙatar dacewar ƙarfin lantarki na musamman.

Babban fa'idar tsarin jerin guda biyu shine ƙarin ƙarfin lantarki na gaba (Vf). Yana aiki da ƙimar 6.3V a 40mA, yana sauƙaƙa ƙirar turawa don tsarin da ke samar da ƙarfin lantarki a cikin kewayon 6-7V, yana iya kawar da buƙatar ƙarin da'irori na rage ƙarfin lantarki. Fakitin 3014 (3.0mm x 1.4mm x 0.8mm) yana ba da daidaito mai kyau tsakanin fitar da haske da amfani da sararin allo.

2. Ma'anar Sigogi da Ma'anar Manufa

2.1 Matsakaicin Matsakaicin Matsakaici

Ana ayyana iyakokin aikin na'urar a ƙarƙashin yanayin da zafin wurin solder (Ts) aka kiyaye shi a 25°C. Wuce waɗannan ƙimar na iya haifar da lalacewa ta dindindin.

• Halin Yanzu na Gaba (IF):60 mA (Ci gaba)
• Halin Yanzu na bugun jini na Gaba (IFP):80 mA (Faɗin bugun jini ≤ 10ms, Tsarin aiki ≤ 1/10)
• Rushewar Wutar Lantarki (PD):408 mW
• Zazzabi na Aiki (Topr):-40°C zuwa +80°C
• Zazzabin Ajiya (Tstg):-40°C zuwa +100°C
• Zazzabin Haɗin gwiwa (Tj):125°C
• Zazzabin Solder (Tsld):Solder reflow a 230°C ko 260°C na iyakar daƙiƙa 10.

2.2 Halayen Lantarki-Gani (Na yau da kullun a Ts=25°C, IF=40mA)

Waɗannan sigogi suna ayyana aikin da ake tsammani a ƙarƙashin yanayin aiki na yau da kullun.

• Ƙarfin Lantarki na Gaba (VF):6.3 V (Na yau da kullun), 6.8 V (Matsakaicin). Haɗin guda biyu a jere ya haifar da wannan Vf mafi girma.
• Ƙarfin Lantarki na Baya (VR):5 V
• Halin Yanzu na Baya (IR):10 µA (Matsakaicin)
• Kusurwar Dubawa (2θ1/2):120°. Wannan faɗin kusurwar katako na yau da kullun ne don fakitin 3014 ba tare da ruwan tabarau na biyu ba.

3. Bayanin Tsarin Rarrabawa

An rarraba samfurin bisa ga mahimman sigogi da yawa don tabbatar da daidaito da cika buƙatun ƙira. Lambar oda tana bin tsari na musamman don zaɓar waɗannan kwandon shara.

3.1 Dokar Lamba Model

Al'adar suna ita ce: T [Lambar Fakitin] [Lambar Ƙidaya Chip] [Lambar Ruwan tabarau] [Lambar Ciki] - [Lambar Flux mai haske] [Lambar CCT]. Misali, T3B002LWA yana fassara kamar haka: T-series, fakitin 3014 (3B), guda biyu (2), babu ruwan tabarau (00), lambar ciki 2, takamaiman kwandon shara na flux mai haske, Cool White (W).

3.2 Rarrabawar Zazzabin Launi Mai Alaƙa (CCT)

Ana sanya LED fari cikin takamaiman yankuna na launi waɗanda aka ayyana ta ellipses akan zanen launi na CIE 1931. Matsakaicin kwandon shara na oda sune:

• 27M5: 2725K ± 145K
• 30M5: 3045K ± 175K
• 40M5: 3985K ± 275K
• 50M5: 5028K ± 283K
• 57M5: 5665K ± 355K
• 65M5: 6530K ± 510K

Kari "M5" da "M7" suna nufin matakin ellipse na MacAdam (mataki 5 ko mataki 7), suna nuna juriyar daidaiton launi. Ƙaramin lambar mataki yana nuna ƙaramin sarrafa launi.

3.3 Rarrabawar Flux mai haske

Ana ƙayyade Flux a matsayin mafi ƙarancin ƙima a 40mA. Ƙimar yau da kullun da matsakaicin na iya zama mafi girma. Ana haɗa rarrabawa tare da CCT da Fihirisar Fitar Launi (CRI).

• Warm White (2700-3700K), CRI 70:Mafi ƙanƙanta. 28 lm
• Neutral White (3700-5000K), CRI 70:Mafi ƙanƙanta. 30 lm
• Cool White (5000-7000K), CRI 70:Mafi ƙanƙanta. 32 lm
• Warm White, CRI 80+:Mafi ƙanƙanta. 26 lm
• Neutral White, CRI 80+:Mafi ƙanƙanta. 28 lm
• Cool White, CRI 80+:Mafi ƙanƙanta. 30 lm

3.4 Rarrabawar Ƙarfin Lantarki na Gaba

Matsakaicin kwandon shara na ƙarfin lantarki shine 6.0V zuwa 6.5V. Ƙimar yau da kullun ita ce 6.3V. Wannan rarrabawar yana taimakawa wajen ƙirar turawa masu ci gaba da yanzu tare da isasshen sararin samaniya na ƙarfin lantarki.

4. Bincike na Lanƙwasa Aiki

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

Lanƙwasa I-V na LED guda biyu zai nuna ƙarfin lantarki na kunna kusan ninki biyu na na guda ɗaya. Lanƙwasa yana da ƙima da farko, yana zama mafi layi sama da wurin kunna. Dole ne masu ƙira su tabbatar cewa turawa na iya samar da ƙarfin lantarki da ake buƙata, musamman a ƙananan yanayin zafi inda Vf ke ƙaruwa.

4.2 Dangin Flux mai haske vs. Halin Yanzu na Gaba

Fitar haske yana ƙaruwa tare da halin yanzu amma ba a layi daya ba. Yawanci yawan aiki yana kololuwa a wani halin yanzu sannan ya ragu saboda ƙarin tasirin zafi da raguwa. Yin aiki a shawarar 40mA yana tabbatar da ingantaccen inganci da tsawon rai.

4.3 Rarraba Ƙarfin Bakan

Ana samar da hasken fari ta hanyar guntun LED shuɗi da ke tada Layer na phosphor. Lanƙwasa na bakan yana nuna kololuwar shuɗi mafi rinjaye daga guntun da kuma mafi faɗin fitarwa rawaya/ja daga phosphor. Ra'ayi da faɗin fitarwar phosphor suna ƙayyade CCT da CRI. LED fari masu sanyi suna da kololuwar shuɗi mafi fitarwa, yayin da LED fari masu dumi suna da ƙarfi mafi tsayin zango na phosphor.

4.4 Dangin Flux mai haske vs. Zazzabin Haɗin gwiwa

Fitar hasken LED yana raguwa yayin da zazzabin haɗin gwiwa (Tj) ya tashi. Wannan siffa yana da mahimmanci ga ƙirar sarrafa zafi. Bukatar kula da zafi mai inganci don kiyaye Tj ƙasa da yawa don tabbatar da kwanciyar hankali na fitar haske da tsawon rai.

4.5 Tsarin Radiation na Sararin Samaniya (Kusurwar Dubawa)

Kusurwar dubawa na digiri 120 tana wakiltar faɗin kusurwar da ƙarfin haske ya rabi na kololuwar ƙarfi (axis digiri 0). Tsarin radiation don fakitin 3014 yawanci shine Lambertian ko kusa da Lambertian, yana ba da haske mai daidaito, faɗin yanki wanda ya dace da hasken panel.

5. Bayanin Injiniya da Tattarawa

5.1 Girman Fakitin

Girman fakitin 3014 shine 3.0mm (L) ± 0.1mm x 1.4mm (W) ± 0.1mm x 0.8mm (H) ± 0.1mm. Ruwan tabarau yawanci yana da tushen silicone.

5.2 Tsarin Pad da Ƙirar Stencil

Shafin ƙafa da aka ba da shawarar ya haɗa da pad anode guda biyu da pad cathode guda biyu. Ƙirar solder pad yana da mahimmanci don ingantaccen reflow, kwanciyar hankali na injiniya, da kuma watsa zafi. Tsarin stencil da aka bayar yana tabbatar da cewa an ajiye adadin da ya dace na man solder don samar da haɗin gwiwar solder mai dogaro. Tolerances don girman pad sune ±0.1mm don ƙimar wuri guda ɗaya da ±0.05mm don ƙimar wuri biyu.

5.3 Ganewar Polarity

Ana yiwa gefen cathode na LED alama, sau da yawa tare da launin kore akan substrate ko notch/chamfer akan fakitin. Dole ne a kiyaye polarity daidai yayin haɗawa don hana lalacewar karkatar da baya.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Reflow Solder

An ƙididdige kayan aikin don solder reflow maras gubar. Ana karɓar bayanai guda biyu: matsakaicin zafin jiki na 230°C ko 260°C, tare da lokacin da ya wuce ruwa (yawanci ~217°C) an sarrafa shi zuwa matsakaicin daƙiƙa 10 a matsakaicin zafin jiki. Ya kamata a bi daidaitaccen hawan hawan, jika, reflow, da bayanin sanyaya don rage matsanancin zafi.

6.2 Hancin Danshi da Gasawa

Fakitin 3014 yana da hankali ga danshi (MSL). Idan an buɗe jakar da aka rufe da vacuum na asali kuma LED ɗin sun fallasa ga danshi na yanayi (wanda aka nuna ta katin nuna danshi ya juya ruwan hoda), dole ne a gasa su kafin reflow don hana lalacewar "gasasshen masara" yayin solder.

• Yanayin Gasawa:60°C na sa'o'i 24.
• Bayan Gasawa:Ya kamata a solder LED ɗin a cikin sa'a 1 ko a adana su a cikin kabad mai bushewa (<20% RH).
• Kada a gasa a yanayin zafi da ya wuce 60°C.

6.3 Yanayin Ajiya

• Babu Budaddiyar Jaka:Zazzabi 5-30°C, Danshi <85%.
• Bayan Budewa:Zazzabi 5-30°C, Danshi <60%. Don ajiyar dogon lokaci, yi amfani da akwati mai rufewa tare da desiccant ko kaban nitrogen.
• Rayuwar Bene:Ana ba da shawarar amfani da abubuwan a cikin sa'o'i 12 bayan buɗe jakar shinge na danshi a ƙarƙashin yanayin bene na masana'anta (<60% RH).

7. Shawarwari na Aikace-aikace da La'akari da Ƙira

7.1 Yanayin Aikace-aikace na Yau da Kullun

• Hasken Baya na LCD:Don TV, na'urori masu kallo, da alamar kasuwanci, inda mafi girma Vf zai iya dacewa da fitarwar turawa.
• Hasken Kayan Ado na Gabaɗaya:Tsiri, modules, da hasken accent.
• Fitilun Nuni:A cikin na'urori da kayan aikin masana'antu waɗanda ke buƙatar haske mai haske, amintaccen nuni na matsayi.

7.2 Ƙirar Turawa

Yi amfani da turawa mai ci gaba da yanzu wanda aka ƙididdige shi don halin yanzu da ake buƙata (misali, 40mA) tare da kewayon yarda na ƙarfin lantarki wanda ya dace da matsakaicin Vf na kirtani na LED, gami da tolerances da tasirin zafin jiki. Don LED da yawa, haɗa su a jere, a layi daya, ko tsarin jere-layi daya bisa ga iyawar turawa da buƙatun sake yin amfani da su.

7.3 Gudanar da Zafi

Ko da yake wutar lantarki kawai 0.25W, ingantaccen sarrafa zafi akan PCB yana da mahimmanci don kiyaye ƙananan zafin haɗin gwiwa. Yi amfani da PCB tare da ramukan zafi a ƙarƙashin pad ɗin zafi na LED (idan akwai) wanda aka haɗa zuwa zubar da tagulla ko tsarin ƙasa na ciki don watsa zafi. Wannan yana haɓaka kwanciyar hankali na fitar haske da tsawon lokacin aiki.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitaccen LED guda ɗaya na 3014 (yawanci Vf ~3.0-3.4V), jerin T3B guda biyu suna ba da bambanci mai mahimmanci: ƙarfin lantarki na gaba mafi girma. Wannan na iya zama fa'ida ko buƙatu dangane da tsarin tsarin.

• Fa'ida:Yana sauƙaƙa ƙira a cikin tsarin tare da dogo na 6V/12V, yana rage ko kawar da masu jujjuyawar buki. Yana ba da damar dogon kirtani na jere don takamaiman ƙarfin lantarki na turawa.
• La'akari:Yana buƙatar turawa tare da iyawar ƙarfin lantarki mafi girma. Rushewar wutar lantarki a kowane fakitin yana da ɗan ƙarami saboda mafi girma Vf a halin yanzu ɗaya, yana buƙatar kulawa ga ƙirar zafi.
• Idan aka kwatanta da fakitin 5730 ko 5050 tare da irin wannan wutar lantarki, 3014 yana ba da ƙaramin shafin ƙafa amma yana iya samun halayen zafi da na gani daban-daban.

9. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Zan iya turawa wannan LED a 60mA ci gaba?

A: Yayin da matsakaicin matsakaicin ƙimar shine 60mA, shawarar halin yanzu na aiki shine 40mA. Yin aiki a 60mA zai ƙara haɓaka zafin haɗin gwiwa sosai, rage inganci (lumen/Watt), kuma yana iya rage tsawon rai na LED. Ya kamata a yi la'akari da shi kawai idan an aiwatar da ingantaccen sarrafa zafi kuma an yarda da rage tsawon rai.

Q: Menene bambanci tsakanin kwandon shara na CCT 27M5 da 30M5?

A: 27M5 yana niyya ga hasken fari mai dumi a kusa da 2725K, yayin da 30M5 yana kusa da 3045K, wanda har yanzu yana da dumi amma ɗan ƙaramin orange/ja. "M5" yana nuna duka an tsara su zuwa cikin ellipse na MacAdam mai mataki 5, ma'ana daidaiton launi mai kyau sosai a cikin kowane kwandon shara.

Q: Me yasa gasawa ya zama dole, kuma me zai faru idan na tsallake shi?

A: Fakitin filastik yana ɗaukar danshi. A lokacin babban tsarin solder reflow na zafin jiki, wannan danshin da aka kama yana canzawa cikin sauri zuwa tururi, yana haifar da matsin lamba na ciki wanda zai iya lalata fakitin, fashe guntun mutuwa, ko karya haɗin gwiwar waya, wanda ke haifar da gazawar nan take ko ɓoyayye (tasirin gasasshen masara).

Q: Ta yaya zan fassara ƙimar "mafi ƙanƙanta" na flux mai haske?

A: Lokacin da kuka yi oda takamaiman kwandon shara na flux (misali, 30 lm mafi ƙanƙanta don Neutral White), an ba ku garantin cewa duk LED ɗin za su cika ko wuce wannan ƙimar a ƙarƙashin yanayin gwaji. Kayan da aka aika na ainihi na iya samun fitarwa mafi girma, amma koyaushe za su faɗi cikin takamaiman ellipse chromaticity na CCT.

10. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Module na LED 12V don Hasken Cabinet

Mai zane yana buƙatar ƙirar siriri, module mai haske wanda aka kunna kai tsaye daga adaftar DC 12V. Yin amfani da daidaitattun LED 3V zai buƙaci 4 a jere, yana barin ƙaramin sararin samaniya na ƙarfin lantarki don turawa mai ci gaba da yanzu, musamman a ƙananan yanayin zafi. Yin amfani da LED guda biyu na T3B tare da Vf na ~6.3V yana ba da damar haɗa LED guda biyu a jere. Wannan tsarin 2S yana da ƙimar Vf na 12.6V, wanda ya dace da samfurin 12V lokacin amfani da sauƙi na layi ko turawa mai jujjuyawa mai ci gaba da yanzu tare da ƙarancin digo. Wannan yana sauƙaƙa da'ira, yana rage adadin abubuwan, kuma ya dace da ƙuntatawa na injiniya fiye da kirtani 4S na ƙananan LED.

11. Ka'idar Aiki

LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin bandgap ɗinsa, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). A cikin LED fari, guntun shuɗi na indium gallium nitride (InGaN) an lulluɓe shi da Layer na phosphor na cerium-doped yttrium aluminum garnet (YAG:Ce). Wasu hasken shuɗi suna sha ta hanyar phosphor kuma ana sake fitar da su azaman hasken rawaya. Cakuda sauran hasken shuɗi da canza hasken rawaya idon ɗan adam yana ganinsa azaman fari. Ana daidaita zazzabin launi mai alaƙa ta hanyar gyara abun da ke ciki na phosphor da taro. Ƙirar guda biyu kawai tana sanya irin waɗannan sifofin semiconductor guda biyu a cikin lantarki a jere a cikin fakitin guda ɗaya.

12. Trends na Fasaha

Gabaɗayan yanayin a cikin LED na SMD yana zuwa ga ingantaccen inganci (ƙarin lumens kowace watt), ingantaccen fitar da launi (mafi girman ƙimar CRI da R9), mafi kyawun daidaiton launi (ƙaramin rarrabawa, misali, ellipse na MacAdam mai mataki 3 ko mataki 2), da mafi girman dogaro. Haka nan akwai turawa don ƙananan ƙira yayin kiyayewa ko ƙara fitar haske. Amfani da ƙira guda biyu ko ƙira da yawa a cikin daidaitattun fakitoci kamar 3014 ko 2835 hanya ce don ba da halayen lantarki na musamman na aikace-aikace (kamar mafi girma Vf) ba tare da canza shafin ƙafa na waje na injiniya ba, yana ba masu ƙira ƙarin sassauci. Bugu da ƙari, ci gaba a fasahar phosphor da ƙirar guntun yana ci gaba da tura iyakokin inganci da ingancin launi a cikin duk kewayon CCT.