Bayani na RF-H**HI32DS-EF-2N Farar LED - 2.8x3.5x0.7mm PLCC-2 - 2.6-3.0V Wutar Gaba - 60mA - 2700K-6500K - 80+ CRI

1. Bayanin Samfur

Jerin RF-H**HI32DS-EF-2N wani babban aikin farar LED ne da aka kera don haske na cikin gida. Yana amfani da guntu LED shuɗi tare da ruwan hoda rawaya don samar da farin haske tare da babban ma'aunin launi (CRI ≥80). Na'urar tana cikin ƙaramin PLCC-2 package mai girman 2.8mm × 3.5mm × 0.7mm, wanda ya dace da haɗawa ta saman kuma yana daidai da matakan reflow. Manyan fa'idodi sun haɗa da kusurwar kallo mai faɗi da digiri 120, kyakkyawan juriyar zafi (15°C/W), da matakin hankali na danshi 3. Samfurin ya dace da RoHS kuma ana samunsa a cikin marufi na tef da reel (4000 pieces/reel). Yana ba da nau'ikan zafin launi da yawa daga farin dumi (2700K) zuwa hasken rana mai sanyi (6500K), tare da haske na yau da kullun tsakanin 29 zuwa 36 lumens a 60mA drive current.

2. Binciken Ma'auni na Fasaha

2.1 Halayen Lantarki

A gwajin halin yanzu na 60mA da zafin solder Ts=25°C, wutar gaba (VF) tana tsakanin 2.6V zuwa 3.0V, tare da darajar yau da kullun 2.77V. Wannan ƙaramin kewayon VF yana tabbatar da daidaiton haske da amfani da wutar lantarki a cikin nau'ikan daban-daban. Halin baya (IR) an kayyade shi a mafi girman 10µA lokacin da ake amfani da wutar lantarki ta baya 5V, yana nuna kyakkyawan haɗin gwiwa. Matsakaicin iyaka suna ba da izinin ci gaba da gaba na 180mA, kololuwar gaba na 300mA (duty cycle 1/10, pulse width 0.1ms), da kuma ɓata wutar lantarki 540mW. Zafin haɗin gwiwa bai kamata ya wuce 125°C ba, kuma kewayon zafin aiki shine -40°C zuwa +85°C. Iyawar ESD shine 2000V (HBM).

2.2 Halayen Gani

LED tana samuwa a cikin nau'ikan zafin launi (CCT) guda bakwai: 27H (2570-2870K), 30H (2870-3220K), 35H (3230-3660K), 40H (3640-4260K), 50H (4640-5350K), 57H (5300-6110K), da 65H (6070-7120K). Nau'in 40H an raba shi zuwa ƙananan nau'ikan huɗu (40H-1 zuwa 40H-4) tare da bayanan daidaiton launi a cikin CIE 1931. Haske na yau da kullun a 60mA yana bambanta daga 31lm (nau'ikan dumi) zuwa 36lm (nau'ikan sanyi). Kusurwar kallo (2θ1/2) digiri 120 ne, yana ba da faɗin haske mai dacewa da fitilun cikin gida. Ma'aunin launi (Ra) yawanci 81.5 ne, mafi ƙarami 80.

2.3 Halayen Zafi

Juriya ta zafi daga haɗin gwiwa zuwa tawul ɗin solder (RTHJ-S) shine 15°C/W, yana nuna kyakkyawar iya watsar da zafi. Kula da zafi yana da mahimmanci don kiyaye zafin haɗin gwiwa ƙasa da 125°C don hana saurin lalacewa. Ayyukan LED, gami da haske da wutar gaba, yana canzawa tare da zafin solder kamar yadda aka nuna a cikin hotuna.

3. Bayanin Tsarin Rabe-rabe

3.1 Rabe-raben Wutar Gaba

An raba wutar gaba zuwa nau'ikan huɗu: F1 (2.6-2.7V), F2 (2.7-2.8V), G1 (2.8-2.9V), da G2 (2.9-3.0V). Wannan rabe-rabe mai tsauri yana sauƙaƙa rarraba halin yanzu daidai a cikin da'irori masu layi daya kuma yana sauƙaƙa ƙirar zafi.

3.2 Rabe-raben Haske (Luminous Flux)

Rabe-raben haske ana yiwa lakabi da REC (29-30lm), RFD (30-31lm), RFE (31-32lm), RFF (32-33lm), RGB (33-34.5lm), da RGC (34.5-36lm). Lambar nau'in akan lakabin samfur tana nuna duka kewayon VF da haske, yana sauƙaƙe zaɓi don takamaiman buƙatun haske.

3.3 Rabe-raben Zafin Launi

An bayyana daidaiton launi na kowane nau'in CCT a cikin Tebur 1-4. Misali, nau'in 40H yana da ƙananan nau'ikan huɗu tare da daidaiton (x,y) da aka ayyana daidai. Wannan yana tabbatar da daidaiton launi a cikin samarwa. Hakuri ga ma'aunin daidaiton launi shine ±0.003.

4. Binciken Hotunan Aiki

4.1 Wutar Gaba vs. Halin Gaba

Hoto 1-7 yana nuna dangantaka madaidaiciya tsakanin wutar gaba da halin yanzu. A 60mA, VF kusan 2.77V ne; a 210mA, VF ya tashi zuwa kusan 3.05V. Masu ƙira dole ne su yi la'akari da wannan canji yayin saita halin yanzu.

4.2 Halin Gaba vs. Ƙarfin Haske (Relative Intensity)

Ƙarfin haske yana ƙaruwa kusan a madaidaiciya tare da halin yanzu har zuwa kusan 150mA, sannan ya fara cika. A 180mA, ƙarfin haske yana kusan 250% na darajar a 60mA. Wannan yana ba da damar rage haske ta hanyar rage halin yanzu tare da canjin haske mai iya faɗi.

4.3 Zafin Solder vs. Ƙarfin Haske da Halin Gaba

Hoto 1-9 yana nuna cewa yayin da zafin solder ya tashi daga 25°C zuwa 100°C, haske yana raguwa da kusan 30%. Hakanan, matsakaicin halin gaba da aka yarda dole ne a rage shi a yanayin zafi mafi girma (Hoto 1-10). Misali, a zafin solder 80°C, matsakaicin halin yanzu an rage shi zuwa kusan 120mA don kiyaye zafin haɗin gwiwa ƙasa da 125°C.

4.4 Wutar Gaba vs. Zafin Solder

Wutar gaba tana raguwa a madaidaiciya tare da ƙarin zafi a kusan -2.5mV/°C. A 85°C, VF kusan 2.5V ne, idan aka kwatanta da 2.8V a 25°C. Dole ne a yi la'akari da wannan ma'auni na zafi mara kyau a cikin ƙirar direban halin yanzu mai dindindin.

4.5 Tsarin Hasken Rana da Bakan Gani

Hoton haske (Hoto 1-12) yana nuna rarraba Lambertian na yau da kullun tare da kusurwar rabin ƙarfi ±60°, yana tabbatar da kusurwar kallo 120°. Bakan gani (Hoto 1-13) yana nuna kololuwar shuɗi a kusan 450nm da kuma faffadan band din phosphor daga 500nm zuwa 700nm. Daban-daban CCT suna fitowa daga canjin yawan phosphor, tare da 6500K yana nuna ƙarfin shuɗi mai ƙarfi da 3000K bakan da ya fi daidaita.

5. Bayanin Injiniya da Marufi

5.1 Girman Package

Package na LED yana auna 2.80mm × 3.50mm × 0.70mm (tsawo × faɗi × tsayi). Kallon ƙasa yana nuna tawul ɗin cathode (2.10mm × 1.82mm) da tawul ɗin anode (2.10mm × 0.48mm), tare da alamar polarity da ke nuna kusurwar cathode. Tsarin soldering da aka ba da shawarar don shimfidar PCB yana da tawul ɗin 2.10mm × 1.10mm tare da tazarar 0.5mm, yana tabbatar da samuwar fillet mai kyau.

5.2 Girman Tef da Reel

Tef ɗin yana da tazarar 4.00mm, faɗi 8mm, tare da girman rami 3.84mm × 5.24mm. Girman reel: diamita na waje 178±1.0mm, diamita na ciki 59±1.0mm, diamita na cibiya 13.5±0.3mm, da faɗi 8.5±0.3mm. Kowane reel yana ɗaukar raka'a 4000. Hanyar ciyarwa tana nuna ta kibau, kuma an yi alamar polarity a kan tef.

5.3 Bayanin Lakabi

Lakabin reel ya haɗa da lambar sashi, lambar spec, lambar lot, lambar nau'in (ciki har da haske, chromaticity, VF, wavelength), yawa, da kwanan wata. Ana amfani da jakar hana danshi tare da bushewa da katin nuna danshi don ajiya mai hankali ga danshi.

6. Jagorar Soldering da Haɗawa

6.1 Tsarin Reflow Soldering

Tebur 3-1 yana bayyana tsarin reflow da aka ba da shawarar: preheating daga 150°C zuwa 200°C na daƙiƙa 60-120, hawan hawa ≤3°C/s, zafin sama da 217°C (liquidus) na daƙiƙa 60 mafi girma, zafin kololuwa 260°C tare da lokacin zama a kololuwa ≤ daƙiƙa 10, da saurin sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa bai kamata ya wuce mintuna 8 ba. Ana ba da izinin sake zagayowar reflow sau biyu kawai, kuma idan fiye da sa'o'i 24 sun wuce bayan reflow na farko, LEDs na iya lalacewa.

6.2 Soldering da Gyara da Hannu

Idan an buƙaci soldering da hannu, zafin ƙarfe dole ne ya kasance ƙasa da 300°C kuma lokacin hulɗa ƙasa da daƙiƙa 3, an iyakance shi zuwa ƙoƙari ɗaya. Ya kamata a guji gyara; idan ba za a iya kaucewa ba, ana ba da shawarar soldering iron mai kai biyu. Abun rufe silicone yana da laushi kuma yana iya lalacewa ta hanyar matsi mai yawa yayin ɗauka da sawa ko sake yin aiki.

6.3 Ajiya da Gasawa

Kafin buɗe jakar aluminum, ana iya adana LEDs a ≤30°C / ≤75% RH har zuwa shekara guda daga ranar rufewa. Bayan buɗewa, dole ne a yi amfani da su cikin sa'o'i 24 a ≤30°C / ≤60% RH. Idan katin nuna danshi ya nuna danshi mai yawa ko kuma lokacin ajiya ya wuce iyaka, ana buƙatar gasa a 60±5°C na ≥ sa'o'i 24.

7. Bayanin Marufi da Oda

Marufi na yau da kullun: 4000 pieces kowane reel, an rufe su a cikin jakar hana danshi tare da bushewa da lakabi. Akwatin kwali (Hoto 2-5) yana ba da kariya ta injiniya yayin jigilar kaya. Gwaje-gwajen aminci (Tebur 2-3) sun haɗa da reflow soldering, girgiza zafi (-40°C zuwa 100°C), ajiyar zafi mai girma (100°C/1000h), ajiyar zafi mara kyau (-40°C/1000h), gwajin rayuwa (25°C/60mA/1000h), gwajin rayuwa na zafi mai girma da danshi mai yawa (60°C/90%RH/60mA/1000h), da ajiyar zafi da danshi (85°C/85%RH). Ma'aunin karɓa (Tebur 2-4) yana ba da izinin VF har zuwa 1.1× U.S.L., IR har zuwa 2.0× U.S.L., da haske ba ƙasa da 0.7× L.S.L.

8. Shawarwari na Aikace-aikace

8.1 Aikace-aikace na Yau da Kullun

RF-H**HI32DS-EF-2N ya dace da haske na cikin gida ciki har da fitilun LED, downlights, panel lights, da haske na gaba ɗaya inda ake buƙatar babban CRI da kusurwar haske mai faɗi. Ƙananan sawun sa yana ba da damar tattara abubuwa masu yawa don ƙirar haske mai yawa. Kewayon zafin launi mai faɗi ya dace da kasuwannin farin dumi da farin sanyi.

8.2 Abubuwan Da Ake La'akari A Zane

• Rage Halin Yanzu:Koyaushe yi amfani da resistor mai rage halin yanzu ko direban halin yanzu mai dindindin don hana guduwar zafi saboda mummunan ma'aunin VF na zafi.
• Kula da Zafi:Samar da isasshen watsar da zafi don kiyaye zafin solder ƙasa da 85°C don kiyaye fitar da haske da rayuwa.
• Tsarin Jere/Layi Daya:Yi la'akari da rabe-raben VF don daidaita rarraba halin yanzu; yi amfani da direbobi daban-daban don layukan daya.
• Kariyar ESD:Yi amfani da na'urorin kariyar ESD (misali, Zener diodes) a kan layukan LED, musamman a wuraren da ke da ESD mai yawa.
• Daidaiton Sinadarai:Ka guji kayan da ke fitar da mahaɗan ƙarancin kwayoyin halitta (VOCs) ko kuma sun ƙunshi sulfur (iyaka 100ppm), bromine (<900ppm), chlorine (<900ppm), jimlar halogens<1500ppm.
• Matsi na Injiniya:Kada ku matsa lamba a kan ruwan tabarau na silicone; riƙe ta gefuna ta amfani da tweezers.

9. Kwatanta Fasaha da Wasu Zaɓuɓɓuka

Idan aka kwatanta da LEDs na 2835 na yau da kullun daga wasu masana'antun, RF-H**HI32DS-EF-2N yana ba da fa'idodi da yawa: (1) Mafi girman CRI (80 min vs 70 na yau da kullun) don ingantaccen haske. (2) Kusurwar kallo mai faɗi (120°) vs na yau da kullun 110°, yana ba da haske mai daidaituwa. (3) Ƙananan juriyar zafi (15°C/W) yana ba da damar watsar da zafi mafi kyau. (4) Rabe-raben launi mai tsauri (±0.003) yana tabbatar da daidaiton launi. Duk da haka, iyakar halin yanzu (180mA ci gaba) ba ta da yawa; wasu sassan gasa na iya ɗaukar halin yanzu mafi girma don ƙarin haske a farashin inganci.

10. Tambayoyin Fasaha na Yau da Kullun

Tambaya: Zan iya fitar da wannan LED a 150mA ci gaba?

Amsa: Matsakaicin halin yanzu ci gaba shine 180mA, amma dole ne ka tabbatar da cewa zafin solder bai wuce lanƙwan ragewa ba (Hoto 1-10). A 25°C mahalli tare da ingantaccen kula da zafi, 150mA ya dace. Duk da haka, haske zai kasance kusan 2× na a 60mA, kuma zafin haɗin gwiwa dole ne ya kasance ƙasa da 125°C.

Tambaya: Yaya LED ke aiki a yanayin zafi mai yawa?

Amsa: A yanayin zafi na 85°C, matsakaicin halin gaba da aka yarda an rage shi zuwa kusan 60mA don hana wuce TJmax. Haske yana raguwa da kusan 30% idan aka kwatanta da 25°C (Hoto 1-9). Zane na zafi yana da mahimmanci ga aikace-aikacen yanayin zafi mai yawa.

Tambaya: Zan iya haɗa nau'ikan CCT daban-daban a cikin fitila ɗaya?

Amsa: Ba a ba da shawarar ba saboda za a iya ganin canjin launi. Koyaushe yi oda lambar nau'in ɗaya don tabbatar da daidaiton launi. Hakuri na daidaiton ±0.003 ya isa ga yawancin aikace-aikacen kasuwanci.

Tambaya: Wadanne abubuwan tsaftacewa ne lafiya?

Amsa: Ana ba da shawarar isopropyl alcohol. Ka guji abubuwan tsaftacewa da za su iya lalata abin rufe silicone (misali, acetone, toluene). Ba a ba da shawarar tsaftacewa ta ultrasonic ba saboda tana iya lalata haɗin waya.

11. Misalin Zane na Aikace-aikace

Manufar Zane:Fitilar LED 7W tare da fitar haske 800lm, CCT 3000K, CRI>80.
Mafita:Yi amfani da LEDs 24 a cikin tsarin 12S2P (12 jere, 2 layi daya). Kowane LED yana aiki a 60mA, jimlar halin yanzu 120mA. Tare da VF yawanci 2.77V, jimlar wutar lantarki ~33.2V. Wutar = 33.2V × 0.12A ≈ 4W. Don isa 800lm, la'akari da asarar gani (~85% inganci), ana buƙatar kusan 941lm daga LEDs. Kowane LED yana ba da ~32lm a 60mA (nau'in 30H), don haka LEDs 24 suna ba da 768lm, bai isa ba. Ƙara halin yanzu zuwa 80mA kowane LED: ƙarfin haske ~130% → ~41.6lm kowane → jimlar 998lm, wutar ~33.2V × 0.16A = 5.3W, har yanzu yana cikin iyakokin zafi idan akwai isasshen watsar da zafi. Daidaita zaɓin nau'in zuwa RFF (32-33lm) don ƙarin haske. Ana buƙatar simulation na zafi don tabbatar da zafin haɗin gwiwa<125°C.

12. Ka'idar Samun Farin Haske

Wannan LED yana samar da farin haske ta hanyar canza phosphor: guntu LED shuɗi InGaN/GaN yana fitar da haske shuɗi (kololuwa ~450nm). Haske shuɗi yana motsa phosphor mai fitar da rawaya (yawanci YAG:Ce) wanda ke canza wasu daga cikin photons shuɗi zuwa tsawon raƙuman ruwa (yanki kore zuwa ja). Haɗin ragowar haske shuɗi da fitar rawaya mai faɗi yana bayyana a matsayin fari ga idon mutum. Ta hanyar daidaita abun da ke cikin phosphor da yawa, ana samun nau'ikan zafin launi daban-daban daga dumi (mai rawaya/ja) zuwa sanyi (mai shuɗi). Ana haɓaka ma'aunin launi ta hanyar amfani da phosphor tare da ƙarin fitar ja don inganta darajar R9.

13. Hanyoyin Fasaha

Masana'antar LED na ci gaba da turawa don inganci mafi girma (lm/W), ingancin launi mafi kyau (CRI >90, R9 >50), da ƙananan paket. Wannan samfurin yana wakiltar fasaha mai girma na PLCC-2, amma hanyoyin gaba sun haɗa da: (1) Chip-scale packages (CSP) don ƙarami ma. (2) Multi-chip ko chip-on-board (COB) modules don aikace-aikacen babban wutar. (3) LEDs mai cikakken bakan tare da guntu violet ko kusa-UV da phosphor RGB don ingantaccen haske. (4) Modules LED masu wayo tare da haɗaɗɗun direbobi da sarrafa mara waya. Bukatar LEDs mai babban CRI (Ra>90) yana girma a cikin haske na shaguna da gidajen tarihi. Wannan jerin na iya zama sabunta shi da inganci mafi girma da kuma aikin zafi mafi kyau a cikin sabobin gaba.