Bayanin LED 3535 Fari - Girma 3.45x3.45x2.20mm - Wutar Lantarki 3.4V - Ƙarfi 5.1W - Takaddar Fasaha ta Hausa

1. Bayanin Samfur

Wannan LED shine fitila mai ƙarfi mai farin haske wanda ya dogara da guntun shuɗi wanda aka rufe da phosphor. An tsara shi don haskaka gaba ɗaya da kuma aikace-aikacen ƙwararru waɗanda ke buƙatar inganci da dogaro. Kwantenan ɗan ƙarami ne mai girma 3.45mm x 3.45mm x 2.20mm na yumbu SMD (Surface Mount Device) tare da faɗin kusurwar kallo 120°, wanda ya dace da na'urorin haske daban-daban. Samfurin yana goyan bayan matakin laushi na 1, yana mai da shi mai ƙarfi don hanyoyin haɗa SMT na yau da kullun. Ya dace da RoHS kuma ana samunsa a cikin kaset da reel don ɗauka ta atomatik.

2. Tattaunawa mai zurfi na sigogi na fasaha

2.1 Halayen lantarki da haske

A gwajin halin yanzu na 350mA da 25°C zafin maki solder, ƙarfin wutar gaba (VF) yana daga 2.6V zuwa 3.4V. Lambobin sassa daban-daban sun dace da daban-daban yanayin zafin launi (CCT) daga 2200K zuwa 6500K. Hasken haske a 350mA ya bambanta da bin CCT; misali, nau'in 2700K (RF-AL-C3535L2K127-H6) yana samar da 120-150lm a 350mA, yayin da nau'in 6000K (RF-AL-C3535L2K160-H6) yana samar da 150-180lm a daidai wannan halin yanzu. A 700mA, ƙimar haske sun ninka kusan, misali, 250-310lm ga nau'in 2700K. Ma'aunin nuna launi (Ra) yana da mafi ƙarancin 80 ga duk nau'ikan. Matsakaicin halin yanzu na baya yana iyakance zuwa 10μA a 5V reverse voltage. Kusurwar kallo (2θ½) ita ce 120° na yau da kullun.

2.2 Matsakaicin ƙimar ƙarfi

LED na iya ɗaukar matsakaicin haɗari na ƙarfi na 5100mW, halin yanzu na gaba na 1500mA (DC) da kuma mafi girman halin yanzu na gaba na 1600mA (1/10 duty, 0.1ms pulse). Ƙarfin wutar baya bai kamata ya wuce 5V ba. Ƙarfin jurewa ƙarfin lantarki (HBM) shine 2000V. Yanayin zafin aiki da adana shine -40°C zuwa +85°C. Zazzabin junction (Tj) dole ne a kiyaye shi ƙasa da 150°C. Juriya na thermal daga junction zuwa maki solder (RthJ-S) yawanci shine 3.08°C/W a 700mA da 85°C yanayi.

2.3 Bayanin Tsarin Binning

Samfurin an yi binning ta hanyar ƙarfin wutar gaba da ƙarfin haske a 350mA. Bins na ƙarfin wutar sune F0 (2.6-2.8V), G0 (2.8-3.0V), H0 (3.0-3.2V), da I0 (3.2-3.4V). Bins na ƙarfin haske sune FC4 (120-130lm), FC5 (130-140lm), FC6 (140-150lm), FC7 (150-160lm), FC8 (160-170lm), da FC9 (170-180lm). Kowace na'ura an yi mata alama tare da lambar bin ɗaya. Ana ba da daidaitawar chromaticity a cikin Tebur 1-4 don yankuna CCT daban-daban (misali, 2700K, 3500K, 4000K) tare da takamaiman ƙimar CIE-x da CIE-y.

3. Binciken Mawuyacin Aiki

Takaddun ya haɗa da hanyoyin halayen haske na yau da kullun (Hoto 1-6 yana nuna halin yanzu na gaba vs. ƙarfin haske mai alaƙa). Yayin da halin yanzu ke ƙaruwa, ƙarfin haske yana tashi ba daidai ba. Zane na daidaitawar chromaticity (Hoto 1-7) yana kwatanta yadda CCT ke canzawa a cikin yankin canjin phosphor. Waɗannan lanƙwasa suna da mahimmanci don fahimtar yadda LED ke aiki a ƙarƙashin yanayin tuƙi daban-daban da kuma tsara ingantaccen kulawa da zafin jiki.

4. Bayanin Injiniya da Kwantena

4.1 Girman Kwantena

Kwantenan LED yana da girman kallon sama na 3.45mm x 3.45mm tare da tsayi na 2.20mm (ciki har da ruwan tabarau). Kallon ƙasa yana nuna ɗigon biyu da aka shirya don sauƙin soldering. Pad ɗin anode (Pad 1) yana da girman 1.30mm x 3.30mm, kuma pad ɗin cathode (Pad 2) shine 1.30mm x 3.30mm, duka biyu suna da tazarar 0.50mm daga gefen. Ana nuna polarity ta wani ɗan ƙaramin notch akan kallon sama. Hanyoyin soldering (Hoto 1-5) suna ba da shawarar shimfidar pad na 3.50mm x 3.40mm tare da tsakiyar pad mai zafi na 1.30mm x 0.45mm. Duk girma suna da haƙuri na ±0.2mm sai dai in an bayyana.

4.2 Polarity da Tsarin Soldering

An yi alamar polarity akan kwantena: Pad 1 shine anode (tabbatacce), Pad 2 shine cathode (korau). Tsarin soldering da aka ba da shawara ya haɗa da tsakiyar pad mai zafi wanda aka haɗa zuwa cathode don ingantaccen zubar da zafi. Girman tsarin shine 3.50mm x 3.40mm gabaɗaya tare da pad ɗin cathode yana kaiwa zuwa 0.65mm daga tsakiya. Daidaitawa mai kyau yana tabbatar da kyakkyawar hulɗa ta thermal da lantarki.

5. Jagororin Soldering da Haɗuwa

5.1 Umarnin SMT Reflow Soldering

Takardar tana ba da umarnin SMT reflow soldering (sashe 3.1). Kodayake ba a yi cikakken bayani game da matakin ba, shawarwari na yau da kullun don kwantenan yumbu LED sun shafi: preheat a 150-200°C na 60-120 seconds, hawa zuwa mafi girman zafin jiki na 245-260°C, da tsayawa sama da 217°C na 30-50 seconds. Saurin sanyaya bai kamata ya wuce 6°C/s ba. LED yana da matakin laushi na 1, don haka ba a buƙatar gasa ta musamman idan an sarrafa shi a cikin rayuwar ƙasa. Koyaya, ana ba da shawarar matakan tsaro na yau da kullun kamar amfani da yanayin nitrogen da guje wa girgizar zafi.

5.2 Kariyar Sarrafawa

Kariyar sarrafawa (sashe 4.1) sun haɗa da: guje wa damuwa na injiniya akan kwantena, yi amfani da kariyar ESD mai dacewa (LED an ƙididdige shi zuwa 2000V HBM amma har yanzu yana buƙatar kulawar ESD), kar a taɓa ruwan tabarau da hannaye marasa kariya, adana a busasshen yanayi ƙasa da 30°C da 60% RH, kuma bi tsarin soldering da aka ba da shawara. LED bai kamata a yi aiki fiye da matsakaicin ƙimar ƙarfi ba don hana lalacewa.

6. Bayanin Tari da oda

6.1 Ƙayyadaddun Tari

Ana ba da LEDs akan kaset da reel. Kaset ɗin ɗaukar nauyi yana da faɗi 12mm (na yau da kullun don kwantenan 3535) tare da tazarar aljihu na 4mm ko 8mm dangane da yawa. Diamita na reel shine 178mm (inci 7) ko 330mm (inci 13) don mafi yawan yawa. Kowace reel tana ɗauke da tambarin tare da lambar sashi, lambar bin, yawa, da lambar kwanan wata. Akwatin kwali yana tabbatar da jigilar lafiya. Samfurin yana samuwa a cikin haɗin bin na yau da kullun da na musamman.

6.2 Abubuwan Gwajin Dogaro da Yanayi

Takardar ta lissafa abubuwan gwajin dogaro (sashe 2.4) amma ba ta bayar da cikakkun yanayi a cikin yanki ba. Gwaje-gwaje na yau da kullun don irin waɗannan LEDs sun haɗa da: rayuwar aiki a yanayin ɗaki (sa'o'i 1000 a halin yanzu da aka ƙididdige), adana zafi mai girma (85°C/1000 hours), girgizar zafi, juriyar danshi, iya soldering, da girgizar injiniya. Ma'auni na yanke hukuncin lalacewa (sashe 2.5) yawanci ya haɗa da canje-canjen da aka yarda a cikin VF, haske, da daidaitawar launi.

7. Shawarwarin Aikace-aikace

LED an yi shi don aikace-aikace da yawa da suka haɗa da:

• Fitilar faɗakarwa, downlights, wall washers, spotlights, fitilar titi, fitilar gani, fitilar cika hoto.
• Haskaka shuka, haskaka shimfidar wuri, hasken matakin wasan kwaikwayo.
• Otal-otal, kasuwanni, ofisoshi, gida da sauran amfani na cikin gida.
• Haskaka gabaɗaya inda ake buƙatar babban CRI da inganci.

Abubuwan la'akari da ƙira: ingantaccen kulawa da zafi (misali, amfani da PCB mai tushen ƙarfe tare da ƙananan juriyar thermal) yana da mahimmanci don kiyaye zafin junction ƙasa da 150°C. Halin yanzu na aiki da aka ba da shawara shine 350mA zuwa 700mA, amma mafi girman halin yanzu har zuwa 1500mA yana yiwuwa tare da ingantaccen zubar da zafi. Kusurwar kallo 120° tana ba da faɗin rarraba haske, wanda ya dace da fitilun panel da bulb ɗin sake gyara.

8. Kwatancen Fasaha

Idan aka kwatanta da kwantenan filastik LED, kwantenan yumbu yana ba da ingantacciyar amfani da thermal da kuma dogaro mafi girma a yanayin zafi mai girma. Hakanan yana ba da kwanciyar hankali mafi girma a tsawon rayuwa. Faɗin kewayon CCT (2200K-6500K) ya sa ya dace da buƙatun haske daban-daban, daga farin zafi don karɓar baƙi zuwa farin sanyi don wuraren kasuwanci. Na yau da kullun Ra na 80 yana tabbatar da kyakkyawan nuna launi, kodayake ana iya samun nau'ikan CRI mafi girma akan buƙata.

9. Tambayoyi da yawa

Q1:Zan iya tuka wannan LED a 1500mA?

A:Ee, amma tabbatar da cewa zafin junction bai wuce 150°C ba. Ana buƙatar ingantaccen kulawa da zafi don guje wa lalacewa cikin sauri.

Q2:Menene rayuwar yau da kullun?

A:Dangane da bayanan LM-80 na irin waɗannan yumbu LEDs, rayuwar L70 a 350mA yawanci tana > sa'o'i 50,000 idan an yi aiki cikin ƙayyadaddun bayanai.

Q3:Ta yaya zan zaɓi lambar bin da ta dace?

A:Binning ta VF da haske yana ba ku damar zaɓar ma'auni mafi kyau tsakanin inganci da haske don ƙirar ku. Tuntuɓi teburin bin a sashe 1.5.1.

Q4:Shin wannan LED ya dace da aikace-aikacen dimmable?

A:Ee, ana iya rage shi ta hanyar daidaita halin yanzu na gaba, amma lura cewa canjin launi na iya faruwa a ƙananan halin yanzu.

10. Nazarin shari'o'i masu amfani

A cikin aikace-aikacen downlight na yau da kullun, amfani da LEDs 12 (shida a jeri, igiyoyi biyu a layi) a 350mA kowace LED yana samar da jimillar haske ~1800 lumens da ƙarfi ~12V*0.35A*2 = 8.4W kowace igiya? A gaskiya lissafi: kowace LED VF ~3.0V, don haka 6 a jeri = 18V, igiyoyi biyu = 36V gabaɗaya a 0.7A gabaɗaya? Ƙarfin zai kasance kusan 25W, wanda ya dace da downlight mai fiye da 2000 lumens. Kwantenan yumbu yana tabbatar da ƙananan juriyar thermal, yana ba da damar sanyaya mai sauƙi.

11. Gabatarwar Ka'ida

Farin LED yana aiki ta hanyar electroluminescence daga guntun shuɗi na InGaN, wanda ke fitar da haske shuɗi a kusan 450nm. Wannan haske shuɗi yana tayar da YAG:Ce phosphor mai rawaya da aka rufe akan guntu; haɗin haske shuɗi da rawaya yana samar da farin haske. Ana samun CCT daban-daban ta hanyar canza abun da ke ciki da kaurin phosphor, canza rabon shuɗi zuwa rawaya.

12. Hanyoyin Ci gaba

Hanyar a cikin LEDs masu ƙarfi tana zuwa mafi girma inganci (>200lm/W), mafi girma CRI (>90), da ƙananan kwantenan tare da ingantaccen aikin thermal. Kwantenan yumbu yana ba da damar zubar da zafi mafi kyau idan aka kwatanta da filastik na gargajiya, yana ba da damar mafi girman halin yanzu. Ci gaba na gaba na iya haɗa da guntun multi-junction da haɗaɗɗun na'urorin gani na farko don ƙarin daidaituwar tsarin haske.