Takaddun Bayani na LED Kore 2.0x1.25x0.7mm - Ƙarfin Lantarki 2.8-3.5V - Iko 105mW - Tsawon Wuta 515-530nm - Takarda Fasaha

1. Bayanin Samfur

Wannan takaddun yana bayyana LED SMD kore samfurin RF-GNB170TS-CF, wanda aka yi ta amfani da guntun kore tare da ƙaramin girma 2.0mm x 1.25mm x 0.7mm. An tsara shi don nuna alama ta gama gari, hasken maɓalli da alamar baya, da sauran aikace-aikacen nuni na yau da kullun. LED ɗin yana ba da kusurwar gani mai faɗi sosai (140° na al'ada) kuma ya dace da duk matakan haɗawa da ƙarfe na SMT. Ya cika matakin kula da danshi na 3 kuma ya dace da RoHS.

2. Halayen Gani da Lantarki

2.1 Ƙarfin Lantarki (VF)

A gwajin wutar lantarki na 20mA, an raba ƙarfin lantarki zuwa ƙungiyoyi da yawa: G1 (2.8-2.9V), G2 (2.9-3.0V), H1 (3.0-3.1V), H2 (3.1-3.2V), I1 (3.2-3.3V), I2 (3.3-3.4V), J1 (3.4-3.5V). Ba a ƙayyade ƙarfin lantarki na al'ada ba amma yana cikin waɗannan jeri. Haƙurin aunawa ±0.1V ne.

2.2 Tsawon Wutar Da Ake Amfani (λD)

Tsawon wutar da ake amfani a 20mA ya tashi daga 515.0nm zuwa 530nm, an raba shi zuwa kwantoci: D10 (515.0-517.5nm), D20 (517.5-520.0nm), E10 (520.0-522.5nm), E20 (522.5-525.0nm), F10 (525.0-527.5nm), F20 (527.5-530nm). Wannan yayi daidai da launin kore mai haske. Haƙurin aunawa ±2nm ne.

2.3 Ƙarfin Hasken (IV)

An raba ƙarfin hasken a 20mA kamar haka: 1AU (260-330 mcd), 1AV (330-430 mcd), 1CG (430-560 mcd), 1CL (560-700 mcd), 1CM (700-900 mcd). Matsakaicin kusurwar rabin ƙarfi shine 140°. Haƙurin aunawa ±10%.

2.4 Sauran Sigogin Gani

Nisa na rabin bandwidth na bakan (Δλ) shine 15nm na al'ada. Ƙarfin baya (IR) a VR=5V yana ƙasa da 10μA. Matsanancin zafi daga haɗuwa zuwa wurin ƙarfe (RthJ-S) a 20mA shine 450°C/W.

3. Matsakaicin Matsayin Amfani

Matsakaicin iko na sharar gida shine 105mW, wutar gaba 30mA (DC), wutar gaba mafi girma 60mA (1/10 aiki, bugun 0.1ms). Jure wutar lantarki (HBM) shine 1000V. Yanayin zafin aiki -40°C zuwa +85°C, yanayin zafin ajiya -40°C zuwa +85°C, matsakaicin zafin haɗuwa 95°C. Dole ne a yi taka tsantsan don kada iko na sharar gida ya wuce matsakaicin matsayin amfani.

4. Tsarin Rarrabuwa

4.1 Rarrabuwar Tsawon Wuta

Akwai kwantoci shida na tsawon wuta daga 515nm zuwa 530nm (D10, D20, E10, E20, F10, F20). Kowanne kwanci yana rufe nisa 2.5nm, yana ba da damar zaɓar tintin kore na musamman.

4.2 Kwantocin Ƙarfin Hasken

Kwantoci biyar na ƙarfin haske sun tashi daga 260 mcd zuwa 900 mcd (1AU, 1AV, 1CG, 1CL, 1CM). Manyan kwantoci suna nuna sassa masu haske.

4.3 Kwantocin Ƙarfin Lantarki

Kwantoci bakwai na ƙarfin lantarki sun rufe 2.8V zuwa 3.5V (G1, G2, H1, H2, I1, I2, J1). Wannan yana ba da damar daidaita LEDs a cikin ma'auni na jere/parallel don daidaitattun haske.

5. Lauyoyin Ayyuka na Al'ada

5.1 Ƙarfin Lantarki vs. Wutar Gaba

Lauyar ta nuna ƙarfin lantarki yana ƙaruwa daga kimanin 2.5V a 5mA zuwa fiye da 3.0V a 30mA, na al'ada ga InGaN LEDs kore.

5.2 Wutar Gaba vs. Ƙarfin Dangi

Ƙarfin dangi yana ƙaruwa kusan layi daya tare da wutar gaba har zuwa 30mA, tare da ɗan gajeren jikewa a manyan wutoci.

5.3 Tasirin Zafi

Ƙarfin dangi yana raguwa yayin da zafin yanayi ya tashi; a 100°C ya faɗi zuwa kusan 70% na darajar a 25°C. Matsakaicin wutar gaba mai halatta yana raguwa tare da ƙaruwar zafin fil, daga 30mA a 25°C zuwa kusan sifili a 120°C.

5.4 Tsawon Wuta vs. Wutar Gaba

Tsawon wutar da ake amfani yana canzawa kaɗan (daga ~521nm a 10mA zuwa ~527nm a 30mA) saboda tasirin cika band. Wannan canjin shuɗi tare da ƙaruwar wuta na al'ada ne ga InGaN LEDs.

5.5 Bakan da Tsarin Hasken Rana

Rarraba bakan yana da koli a kusa da 520-530nm tare da rabin bandwidth na ~15nm. Zanen hasken rana yana nuna kusurwar gani mai faɗi na 140°, tare da ƙarfin dangi yana faɗuwa zuwa 50% a ±70°.

6. Bayani na Injiniya da Girma

Girman fakitin shine 2.00mm × 1.25mm × 0.70mm (haƙurin ±0.2mm). Duban sama yana nuna siffar rectangular tare da kusurwoyi (R0.20). Duban ƙasa yana nuna polarity (pad 1 cathode, pad 2 anode). Tsarin ƙarfe yana ba da shawarar pad 3.2mm × 1.2mm tare da tazara 0.8mm. Ana bayar da girma na tsarin ƙarfe da aka ba da shawara a cikin takardar bayanai.

7. Jagororin Ƙarfe da Gudanarwa

7.1 Yanayin Ƙarfe na Reflow

Lauyar reflow da aka ba da shawara: preheat daga 150°C zuwa 200°C na daƙiƙa 60-120; ƙimar haɓaka ≤3°C/s; lokaci sama da 217°C (TL) daƙiƙa 60-120; matsakaicin zafi 260°C na mafi yawan daƙiƙa 10; ƙimar sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa koli ≤ minti 8. Matsakaicin hawan reflow biyu. Kada a yi amfani da matsi na injiniya yayin dumama.

7.2 Ƙarfe na Hannu da Sake Aiki

Zafin ƙarfe na hannu ya kamata ya kasance ƙasa da 300°C na ƙasa da daƙiƙa 3, sau ɗaya kawai. Idan aikin sake gyara ya zama dole, yi amfani da ƙarfe na hannu mai kai biyu. Ka guji sanyaya da sauri bayan ƙarfe.

7.3 Tsaro

Kada a saka LEDs a kan sassan PCB da suka karkace. Kada a yi amfani da ƙarfi na injiniya ko girgiza yayin sanyaya. Ka guji fallasa LEDs ga mahadi masu ɗauke da sulfur (iyaka<100ppm na sulfur). Abubuwan bromine da chlorine a cikin kayan waje dole ne kowannensu ya<900ppm, jimlar<1500ppm. Ya kamata a guji manne masu fitar da iska. Ana buƙatar kula da ESD yadda ya kamata.

8. Bayani na Marufi da Oda

Adadin marufi: 4000pcs a kowace reel. Girman tef na jigilar kaya: fadin 8mm, nisa 4mm, tare da tef mai rufi. Diamita na reel 178mm ±1mm, cibiya 60mm ±0.1mm. Ana amfani da buhun shinge na danshi tare da bushewa don kayan da ke kula da danshi na matakin 3. Lakabi sun haɗa da lambar sashi, lambar takaddun, lambar kuri'a, lambobin rarrabuwa na flux, chromaticity, ƙarfin lantarki, tsawon wuta, adadi, da kwanan wata.

9. Bayanan Gwajin Aminci

Gwaje-gwajen aminci suna bin ka'idodin JEDEC: reflow (260°C, 10s, sau 2) – 22pcs; zagawar zafin jiki (-40°C zuwa 100°C, dakika 30, zagaye 100) – 22pcs; girgizar zafi (-40°C zuwa 100°C, dakika 15, zagaye 300) – 22pcs; ajiya a babban zafi (100°C, 1000h) – 22pcs; ajiya a ƙaramin zafi (-40°C, 1000h) – 22pcs; gwajin rayuwa (Ta=25°C, IF=20mA, 1000h) – 22pcs. Ka'idodin karɓa: ƙarfin lantarki bai kamata ya wuce 1.1×USL ba, ƙarfin baya bai kamata ya wuce 2×USL ba, hasken haske bai kamata ya faɗi ƙasa da 0.7×LSL ba.

10. Bayanin Aikace-aikace

10.1 Aikace-aikace na Al'ada

Ya dace da nuna alama na gani, hasken maɓalli da alamar baya, haske na gaba ɗaya a cikin kayan lantarki na masu amfani, na'urori, da hasken ciki na mota.

10.2 Zane na Zafi

Rashin zafi yana da mahimmanci don guje wa zafin haɗuwa ya wuce 95°C. Ana ba da shawarar yanki na jan ƙarfe na PCB mai isa da hanyoyin zafi. Matsanancin zafi na 450°C/W yana nuna ƙaramin fakiti; kula da zafi da kyau yana da mahimmanci don aiki a babban wuta.

10.3 La'akari da Zane na Kewayawa

Kowane LED dole ne ya sami resistor mai iyakance wuta. Ana buƙatar kariya daga ƙarfin baya (misali diode a layi daya) don hana lalacewa daga juyar da baya. Ya kamata a yi la'akari da bambancin ƙarfin lantarki tsakanin kwantoci yayin zana jerin layuka.

11. Kwatanta da Wasu LEDs Kore

Wannan fakiti 2.0x1.25mm yana ba da ƙaramin sawu tare da kusurwar gani mai faɗi na 140°, wanda ya fi faɗi fiye da yawancin madadin 0603 (1.6x0.8mm) ko 0805 (2.0x1.25mm) waɗanda yawanci ke ba da kusurwar gani 120°. Tsawon wuta (515-530nm) ya rufe duka kore mai tsabta da kore-rawaya, wanda ya dace da daidaita takamaiman buƙatun launi. Tsawon ƙarfin haske har zuwa 900mcd yana ba da isasshen haske don aikace-aikacen nuna alama. Duk da haka, matsanancin zafi yana da girma idan aka kwatanta da manyan fakitin LED; ana buƙatar kula da zafi sosai.

12. Tambayoyi da Aka Saba Yi

Tambaya: Ana iya tuka wannan LED a 30mA akai-akai?
Amsa: Ee, amma kawai idan zafin haɗuwa ya kasance ƙasa da 95°C. Ana buƙatar isasshen sanyaya. A yanayi mai zafi, rage daraja ya zama dole.

Tambaya: Menene rayuwar ajiya kafin buɗe buhun da aka rufe?
Amsa: Har zuwa shekara 1 a cikin buhun asali a 30°C/75%RH. Bayan buɗewa, dole ne a yi amfani da shi a cikin sa'o'i 168 a 30°C/60%RH, in ba haka ba ana buƙatar gasa (60°C na sa'o'i 24).

Tambaya: Menene ma'anar "Nisa na Rabin Bandwidth na Bakan" na 15nm?
Amsa: Yana nuna cikakken nisa a rabin matsakaicin bakan wuta. Ƙaramin nisa yana nufin launi mafi tsabta; 15nm na al'ada ne ga InGaN LEDs kore.

Tambaya: Ana iya amfani da LED a aikace-aikacen waje?
Amsa: Matsakaicin zafin aiki -40°C zuwa +85°C ya dace da yawancin amfani a waje, amma fallasa kai tsaye ga babban danshi (>75%RH) ba tare da rufin da ya dace ba na iya shafar aminci. Dole ne a guje wa gurɓatar sulfur da halogen.

13. Misalin Amfani na Aiki

A cikin kwandon kula da gida mai hankali, ana amfani da LEDs kore da yawa don nuna matsayin na'ura. Yin amfani da kwanci F10 (525-527.5nm, 560-700mcd) yana ba da hasken baya na kore mai daidaituwa. Resistor na jere na 150Ω don wutar lantarki 5V yana iyakance wuta zuwa 20mA. Kusurwar gani mai faɗi 140° yana tabbatar da karantawa daga kusurwoyi daban-daban. Ƙaramin fakiti 2.0x1.25mm yana ba da damar sanyawa mai yawa a kan ƙaramin PCB. Matsayin kula da danshi na 3 na LED yana buƙatar gasa idan ba a kammala haɗin kwandon ba a cikin sa'o'i 168 na buɗe buhun shinge na danshi.

14. Ka'idar Aiki

Wannan LED SMD ya dogara ne akan guntun InGaN (Indium Gallium Nitride) kore. Lokacin da aka yi amfani da wutar gaba, electrons da holes suna sake haɗuwa a cikin Layer mai aiki, suna fitar da photons masu ƙarfin da ya dace da tsawon wutar kore (515-530nm). Guntun yana rufe a cikin ruwan tabarau na silicone ko epoxy mai haske, wanda aka tsara don fitar da haske yadda ya kamata kuma ya ba da babban kusurwar haske. Fakiti yana amfani da ƙirar SMT gefe mai daidaitaccen tare da pads guda biyu na ƙarfe don haɗin lantarki.

15. Hanyoyin Fasaha

LEDs kore na tushen InGaN sun sami ci gaba a cikin inganci. Hanyoyin kwanan nan sun haɗa da mafi girman ingancin haske (>200 lm/W don sassa masu daraja), ƙaramin nisa na bakan don mafi kyawun tsabtar launi, da ƙananan fakitoci don ƙarami. Wannan samfurin yana wakiltar fasaha cikakkiya wacce ta dace da samarwa mai yawa mai tsada. Ci gaba na gaba na iya haɗawa da mafi kyawun kula da zafi a cikin wannan sawu da kuma ƙarfafa juriyar ESD.