Farin LED 1.6x0.8x0.7mm - Ƙarfin Gaba 2.8-3.4V - Ƙarfin Wuta 105mW - Takardun Fasaha

1. Bayyanar Samfur

Jerin farin LED RF-BWB190DS-DD wani na'ura ne mai girman sarari (SMD) mai kyau da aka ƙera ta amfani da guntu InGaN blue da aka rufe da phosphor don samar da farin haske. Girman sa na 1.6mm x 0.8mm x 0.7mm ya sa ya dace da aikace-aikace masu ƙarancin sarari, yana ba da damar tsarin PCB na babban yawa. LED ɗin an ƙera shi don duk hanyoyin haɗa SMT da na'urori, yana ba da kusurwar gani mai faɗi 140° da matakin damshin haske 3 (MSL 3). Yana cika ka'idojin RoHS, yana tabbatar da dacewa da muhalli.

1.1 Bayyanar Gabaɗaya

Wannan farin LED ana yin shi ta hanyar haskaka guntu blue tare da phosphor, wanda ke canza wani ɓangare na hasken blue zuwa rawaya da koren haske, yana samar da farin haske mai faɗi. Samfurin yana samuwa a cikin nau'ikan haske da launi daban-daban don biyan buƙatun aikace-aikace daban-daban. Zane na fakitin ya haɗa da rufin silicone mai bayyanawa wanda ke ƙara fitar da haske da aminci.

1.2 Siffofi

• Kusurwar gani mai faɗi sosai: digiri 140, ya dace da aikace-aikacen nuni da haske na baya.
• Ya dace da duk hanyoyin haɗa SMT na yau da kullun (reflow ya dace har zuwa 260°C).
• Matakin damshin haske: Mataki 3 (bisa ga J-STD-020), tare da yanayin ajiya kamar yadda aka tsara.
• Ya cika ka'idojin RoHS; ba shi da gubar, sinadari, cadmium, ko wasu abubuwa masu haɗari.
• Ƙarancin juriyar zafi: 450°C/W na yau da kullun, yana buƙatar kula da zafi sosai a cikin tsari.
• Juriya ga fitar da wutar lantarki (ESD): 1000V (HBM), yana ba da ƙarfi mai ma'ana ga ESD.

1.3 Aikace-aikace

• Alamun haske: fitillun matsayi, hasken maɓalli.
• Hasken baya na maɓalli da alamomi: motoci, na'urorin masu amfani, bangarori na masana'antu.
• Hasken gabaɗaya: haske na ado, hasken alamun gaggawa.
• Hasken nuni: nuni kanana LCD ko na sassa.

2. Sigogin Fasaha – Bincike mai zurfi na haƙiƙa

Halayen wutar lantarki da haske ana auna su a zazzabin muhalli 25°C sai dai in an faɗi. Ana auna LED ɗin a gwajin wutar lantarki 20 mA (DC).

2.1 Ƙarfin Gaba (VF)

Ƙarfin gaba an raba shi zuwa cikin kewayon da yawa (F2 zuwa J1) wanda ya kai daga mafi ƙanƙanta 2.7V zuwa mafi girma 3.5V, tare da ƙimar yau da kullun tsakanin 2.8V da 3.4V. Wannan kewayon bin yana ɗaukar bambance-bambance a masana'anta kuma yana ba abokan ciniki damar zaɓar rukunin wutar lantarki don ƙirar jerin/dai-dai. Haƙuri akan aunawa shine ±0.1V. A iyakar matsayi, wutar gaba na iya kaiwa har zuwa 30 mA ci gaba, amma yanayin gwajin da aka ƙayyade shine 20 mA don aikin yau da kullun.

2.2 Ƙarfin Haske (IV)

Rukunin ƙarfin haske suna daga 1BE (550 mcd mafi ƙanƙanta) zuwa 1FB (950 mcd mafi ƙanƙanta, har zuwa 1000 mcd mafi girma), ana auna su a 20 mA. Ana samun manyan rukunin haske ta hanyar sarrafa phosphor da zaɓin guntu. Haƙurin aunawa shine ±10%. Don aikace-aikace da ke buƙatar haske daidai, ana ba da shawarar ƙayyadaddun rukunin haske ɗaya.

2.3 Kusurwar Gani

Kusurwar gani (2θ1/2) ita ce digiri 140 na yau da kullun, tana nuna tsarin fitarwa mai faɗi sosai. Wannan ya sa LED ɗin ya dace da aikace-aikace inda dole ne a ga alamar daga kusurwoyi da yawa, kamar a cikin hasken dashboard ko kayan titi.

2.4 Wutar Baya da Juriya ga Zafi

Wutar baya tana iyakance zuwa mafi girma 10 µA a VR = 5V (aunawa na bugun jini). Juriya ga zafi daga mahadar zuwa wurin haɗa (RTHJ-S) ita ce 450°C/W mafi girma. Wannan ƙimar da ta ɗan yi girma yana nufin LED ɗin bai dace da aiki mai ƙarfi ba tare da isasshen jawo zafi ba; mafi girman hasarar wuta shine 105 mW. Masu tsari dole ne su tabbatar da cewa zazzabin mahadar bai wuce 95°C ba.

2.5 Matsayin iyaka mafi girma

• Hasarar Wuta: 105 mW
• Wutar Gaba: 30 mA (DC), 60 mA koli (10% duty, bugun jini 0.1ms)
• ESD (HBM): 1000 V
• Zazzabin Aiki: -40°C zuwa +85°C
• Zazzabin Ajiya: -40°C zuwa +85°C
• Zazzabin Mahadar: 95°C mafi girma

Ketare kowane ɗayan waɗannan matsayin na iya haifar da lalacewa na dindindin. Masu tsayayya da wutar lantarki masu daidaitawa da kula da zafi suna da mahimmanci.

3. Tsarin Raba (Binning)

LED ɗin an raba shi zuwa rukunai don ƙarfin gaba, ƙarfin haske, da kuma haɗin kai na launi don samar da kyakkyawan aiki.

3.1 Rukunin Ƙarfin Gaba

Ƙarfin gaba an raba shi zuwa lambobin F2, G1, G2, H1, H2, I1, I2, J1 wanda ya kai daga 2.7-2.8V zuwa 3.4-3.5V. Kowanne rukuni yana da faɗin 0.1V. Wannan yana ba masu amfani damar zaɓar kewayon wutar lantarki mai ƙuƙumma don rarraba wutar lantarki daidai a cikin layukan daidai.

3.2 Rukunin Ƙarfin Haske

Rukunin haske ana lakafta su 1BE (550-600 mcd) zuwa 1FB (950-1000 mcd), tare da ƙaruwa na 50 mcd kowanne rukuni. Ana samun manyan rukunai idan aka buƙata amma suna iya buƙatar oda na musamman.

3.3 Rukunin Launuka

LED ɗin ana bayar da shi a cikin rukunai da yawa na farin launi (W31, W32, W51, W52, W71, W72) waɗanda aka ayyana ta takamaiman haɗin kai na CIE 1931. Waɗannan rukunai suna kewayon ma'aunin zazzabin launi (CCT) daga kimanin 6000K zuwa 3000K, ya dace da zaɓin farin haske daban-daban. Haƙuri akan haɗin kai na launi shine ±0.005.

4. Binciken Lantarki na Aiki

Ana bayar da halayen haske na yau da kullun a cikin lantarki na takardun. Mabuɗan abubuwan lura:

4.1 Ƙarfin Gaba vs. Wutar Gaba

Lantarkin VF-IF yana nuna ƙarfin gaba na yau da kullun kimanin 3.2V a 20 mA. A ƙananan wutar lantarki (misali 5 mA), VF yana raguwa zuwa kimanin 2.8V. A 30 mA, VF yana tashi zuwa kimanin 3.4V. Wannan yana jaddada muhimmancin amfani da mai sarrafa wutar lantarki na dindindin ko mai iyakance wutar lantarki don hana tashin zafi.

4.2 Wutar Gaba vs. Ƙarfin Haske na Dangantaka

Ƙarfin haske na dangantaka yana ƙaruwa kusan daidai da wutar gaba har zuwa kimanin 30 mA. A 20 mA, ƙarfin haske yana kusan 100% (dangantaka). A 10 mA, yana raguwa zuwa kimanin 50%. Wannan daidaito ya sa LED ɗin ya dace da rage haske ta hanyar rage wutar lantarki.

4.3 Tasirin Zazzabi

Yayin da zazzabin fil ɗin yake tashi, ƙarfin haske na dangantaka yana raguwa. A 85°C (zazzabin fil), ƙarfin haske yana raguwa zuwa kimanin 80% na ƙimar 25°C. Ƙarfin gaba kuma yana raguwa tare da zazzabi, wanda zai iya haifar da ƙaruwar wutar lantarki idan ba a daidaita wutar lantarki ba. Tsarin zafi dole ne ya kiyaye mahadar a ƙasa da 95°C.

4.4 Tsawon Haske da Rarraba Haske

Lantarkin haske yana koli a kusan 450 nm (blue) tare da koli na biyu mai faɗi daga 500-700 nm (rawaya/ja) saboda phosphor. Tsawon haske mai rinjaye yana canjawa kadan tare da wutar lantarki: wutar lantarki mafi girma tana ƙara ɓangaren blue, yana matsar da launi zuwa farin sanyi.

4.5 Tsarin Rarraba Haske

Tsarin rarraba haske yana kama da Lambertian tare da kusurwar rabin rabi mai faɗi na 70° (140° gabaɗaya). Ƙarfin haske na dangantaka a 90° har yanzu yana kusan 10% na ƙimar axis na kai, yana nuna rufi mai faɗi sosai.

5. Bayanin Ma'auni da Marufi

5.1 Girman Fakitin

• Tsawon: 1.60 mm
• Faɗi: 0.80 mm
• Tsayi: 0.70 mm (jiki), 0.80 mm tare da pad ɗin haɗa
• Haƙuri: ±0.2 mm sai dai in an faɗi

5.2 Zanen Pad ɗin Haɗa

Zanen haɗa da aka ba da shawarar ya haɗa da pad biyu rectangular (0.8mm x 0.8mm) tare da nisa daga tsakiya zuwa tsakiya na 2.4 mm. Ana gano cathode ta hanyar tabo a kan kallon ƙasa.

5.3 Polarity

Polarity na LED ana nuna shi ta hanyar tabo kore ko tabo a gefen cathode. Yin amfani da polarity mara kyau na iya haifar da lalacewa; koyaushe tabbatar da alkibla kafin haɗawa.

6. Jagororin Haɗawa da Solder

6.1 Tsarin Solder Reflow

Dole ne a bi tsarin da aka ƙayyade don solder reflow:

• Matsakaicin hawan hawan: max 3°C/s (daga Tsmin zuwa Tp)
• Preheat: 150°C zuwa 200°C na daƙiƙa 60-120
• Lokaci sama da 217°C: max daƙiƙa 60
• Matsakaicin zazzabi: 260°C, max daƙiƙa 10
• Matsakaicin sanyaya: max 6°C/s
• Jimlar lokaci daga 25°C zuwa koli: max mintuna 8

Reflow bai kamata ya wuce sau biyu ba. Idan fiye da sa'o'i 24 sun wuce tsakanin haɗa, dole ne a sake gasa LED ɗin don cire damshi. Haɗa da hannu: zazzabi ƙasa da 300°C, tsawon lokaci ƙasa da daƙiƙa 3, sau ɗaya kawai.

6.2 Matakan Kulawa

• Kada a yi matsin lamba na injiniya ga LED ɗin yayin ko bayan haɗawa.
• Ka nisanci sanyaya da sauri bayan reflow.
• Kada a haɗa LED ɗin a kan PCB da ya karkace; kada a karkatar da PCB bayan haɗawa.
• Yi amfani da kariyar ESD a duk lokacin kulawa.
• Tabbatar da yanayin aiki sulfur abun ciki<100 ppm; bromine da chlorine kowanne<900 ppm, jimla<1500 ppm (an ba da shawara, ba a tabbatar ba).
• Ka nisanci mahaɗan da ke ɓata (VOCs) waɗanda za su iya lalata rufin silicone.

6.3 Yanayin Ajiya

• Kafin buɗe jakar kariya daga damshi: ≤30°C, ≤75% RH, rayuwa a kan shiryaye shekara 1 daga kwanan wata.
• Bayan buɗewa: ≤30°C, ≤60% RH, ana iya amfani da shi na sa'o'i 168.
• Idan yanayin ya wuce, gasa a 60±5°C na ≥ sa'o'i 24 kafin amfani.

7. Bayanin Marufi da Oda

7.1 Bayanan Marufi

Marufi na yau da kullun: guda 4,000 a kowanne reel. Girman tef ɗin ɗaukar kaya: faɗin 8 mm, nisa ramin sprocket 2.0 mm, nisa na kayan aiki 4.0 mm. Girman reel: diamita 178 mm (7"), diamita hub 60 mm, rami hub 13 mm.

7.2 Bayanin Lakabin

Kowanne reel ana lakafta shi da Lambar Kayan, Lambar Spec, Lambar Lot, Lambar Bin (ciki har da lumen flux, chromaticity, ƙarfin gaba, tsawon haske), adadi, da lambar kwanan wata.

7.3 Lambar Oda

Samfurin RF-BWB190DS-DD yana nuna jerin. Don zaɓin bin da ya dace, tuntuɓi tallace; ana iya samun bins na musamman.

8. Taƙaitaccen Jarrabawar Aminci

LED ɗin ya ci jarrabawar aminci masu zuwa (samfurori 22 kowanne, matsayin karɓa 0/1):

• Reflow: 260°C, daƙiƙa 10, sau 2
• Zagayen Zazzabi: -40°C zuwa 100°C, zagaye 100
• Girgizawar Zafi: -40°C zuwa 100°C, zagaye 300
• Ajiya Babban Zazzabi: 100°C, sa'o'i 1000
• Ajiya Ƙaramin Zazzabi: -40°C, sa'o'i 1000
• Jarrabawar Rayuwa: 25°C, 20 mA, sa'o'i 1000

Matsayin gazawa: canjin VF > 10%, IR > 2x spec, haske<70% na farko.

9. Abubuwan la'akari na Tsari

9.1 Rage Wutar Lantarki da Zazzabi

Don tabbatar da dogon rayuwa, yi amfani da LED ɗin a ba fiye da 20 mA ci gaba ba. Yi amfani da mai iyakance wutar lantarki ko mai sarrafa wutar lantarki na dindindin. Don manyan zazzabin muhalli, rage wutar gaba don kiyaye zazzabin mahadar a ƙasa da 95°C. Pad ɗin zafi (wurin haɗa) ya kamata ya sami kyakkyawan jawo zafi zuwa farantin jan ƙarfe na PCB.

9.2 Kariyar Kewayawa

Koyaushe haɗa da resistor a jere don iyakance wutar lantarki. Lokacin amfani da shi a cikin jerin, an tsara bin don ƙarfin gaba yana da mahimmanci don guje wa rarraba wutar lantarki mara daidaito. Ana ba da shawarar diodes na kariyar ESD a kan kewayawa don yanayi mara kyau.

9.3 Dacewa da Kayan

Ka nisanci tuntuɓar rufin silicone da sinadarai masu tayar da hankali (misali, acids/ bases masu ƙarfi, solvents). Yi amfani da mannewa waɗanda ba sa fitar da tururin halitta. Rufe hada LED ɗin daga gurɓataccen sulfur da halogen.

10. Ka'idar Aiki

Farin LED yana aiki ta hanyar hasken lantarki: wutar gaba tana sa electrons da holes su haɗu a cikin guntu InGaN blue, suna fitar da photons blue (kusan 450 nm). Waɗannan photons suna bugun wani rufin phosphor (yawanci YAG:Ce) wanda ke ɗaukar wani ɓangare na hasken blue kuma ya sake fitar da shi a cikin wani nau'in haske mai faɗi na rawaya-kore. Haɗin hasken blue da yellow da aka watsa yana samar da farin haske. Abun da ke cikin phosphor yana ƙayyade ma'aunin zazzabin launi da ma'aunin nuna launi.

11. Abubuwan Muhalli da Ka'idoji

Samfurin ya cika ka'idojin RoHS kuma ba ya ƙunshe da gubar, sinadari, cadmium, chromium mai daraja shida, PBB, ko PBDE da aka ƙara da gangan. Duk da haka, phosphor na iya ƙunshe da ƙananan sinadarin cerium, wanda aka keɓe. Masu amfani dole ne su bi ka'idojin gida don zubar da shara. Ba a lasafta LED ɗin a matsayin mai haɗari a ƙarƙashin umarnin REACH da WEEE na yanzu.

12. Tambayoyin da Aka Yi Yawaita (FAQ)

12.1 Menene rayuwar yau da kullun na wannan LED?

A ƙarƙashin yanayi na yau da kullun (20 mA, Tj<85°C), LED ɗin na iya wuce sa'o'i 50,000 tare da<30% raguwar lumen, bisa ga bayanan masana'antu don samfuran iri ɗaya.

12.2 Zan iya amfani da wannan LED don haske mai ƙarfi?

A'a, mafi girman wuta shine 105 mW. An ƙera shi don aikace-aikacen nuni da sigina, ba don haske gabaɗaya ba.

12.3 Yaya zan zaɓi daidai bin don tsari na?

Zaɓi bins na wutar lantarki don dacewa da wutar lantarki da haƙurin ku; zaɓi bins na haske don daidaiton haske; zaɓi bins na chromaticity don daidaiton launi. Don jerin layuka, yi amfani da bin wutar lantarki guda ɗaya.

12.4 Me zai faru idan na wuce matsayin iyaka mafi girma?

Ketare matsayin zai iya haifar da rashin aiki nan take, lalacewa da wuri, ko canjin launi. Koyaushe haɗa da tazarar aminci.

13. Misalai na Nazari (Misalai)

13.1 Hasken Nuni a cikin Na'urar Mai Amfani

Wani mai kera injin wanki ya yi amfani da farin LED 1.6x0.8mm don hasken nuni na wuta. Kusurwar gani mai faɗi ya ba da damar gani daga kowane gefe. Sun zaɓi bin H1 (3.0-3.1V) kuma sun yi amfani da resistor 150Ω tare da wutar lantarki 5V, suna isar da 13 mA, yana tsawaita rayuwar LED ɗin don dacewa da garanti na na'urar.

13.2 Hasken Baya na Maɓallin Mota

Wani mai ba da kayan aiki na motoci ya yi amfani da wannan LED don hasken baya na maɓallan taga. Kusurwar gani 140° ya tabbatar da haske daidai. Sun buƙaci bin W31 (farin sanyi) don dacewa da zazzabin dashboard. Sun aiwatar da PWM dimming a 200 Hz don daidaita haske da dare. LED ɗin ya ci jarrabawar zazzabi 85°C daidai da AEC-Q101 (daidai).

14. Hanyoyin Ci Gaba na Gaba

Hanyar ga irin waɗannan kananun farin LED ita ce zuwa mafi kyawun aiki da kwanciyar hankali na launi. Sigogi na gaba na iya cimma 150 lm/W ta hanyar amfani da phosphor mafi inganci (misali, phosphor ja-kore nitride don high CRI) da ingantattun zanen guntu. Ci gaban ƙarami yana ci gaba, tare da 1005 (1.0x0.5mm) da 0603 marufi sun zama gama gari. Masana'antar kuma tana motsawa zuwa daidaitattun bins na chromaticity (MacAdam ellipses) don rage bambancin launi.