Takardar Bayanin LED RF-A4E27-R15E-R4 Ja - Girma 2.7x2.0x0.6mm - Ƙarfin Lantarki 2.0V zuwa 2.6V - Ƙarfi 520mW - Bayanin Fasaha na Turanci

1. Bayanin Samfur

RF-A4E27-R15E-R4 wani ja LED ne mai ƙarfi wanda aka gina akan fasahar semiconductor AlGaInP a kan substrate. An saka shi a cikin ƙaramin EMC (Epoxy Molding Compound) package wanda ya auna 2.7mm x 2.0mm x 0.6mm, wanda aka tsara don haɗa SMT (Surface Mount Technology). Wannan LED yana da kusurwar kallo mai faɗi sosai na digiri 120, yana mai da shi manufa don aikace-aikacen da ke buƙatar rarraba haske iri ɗaya. An inganta shi bisa ga jagororin gwajin damuwa AEC-Q102 na discrete semiconductor na mota, yana tabbatar da aminci ga mahalli masu buƙata. Samfurin ya dace da RoHS kuma yana da matakin damshin damshi na 2 (MSL 2).

1.1 Siffofin

• EMC package don ƙarfin inji da zafi mai ƙarfi
• Kusurwar kallo mai faɗi sosai (2θ_1/2= 120°)
• Ya dace da duk haɗa SMT da ayyukan soldering
• Ana samuwa akan tef da reel don zaɓe-da-saoti na atomatik
• Matakin damshin damshi: Mataki 2
• Ya dace da RoHS
• Ya cancanta bisa ga jagororin AEC-Q102

1.2 Aikace-aikace

Hasken mota na ciki da waje, ciki har da alamun dashboard, fitilun ladabi, hasken yanayi, fitilun wutsiya, da sauran ayyukan sigina.

2. Ƙayyadaddun Fasaha

2.1 Halayen Lantarki da na Gani (a Ts=25°C, IF=150mA)

2.2 Matsakaicin Ƙimar da Aka Ƙyale (a Ts=25°C)

Bayanan kula: - Duk aunawa an yi su a ƙarƙashin yanayi daidaitacce a Refond. - Ya kamata a ƙayyade iyakar ƙarfin halitta bayan auna zazzabi na package don tabbatar da zazzabin junction bai wuce 150°C ba. - A 25°C, gwajin yanayin pulse yana ba da ingancin canjin hoto-lantarki ηe = 45%.

3. Tsarin Bin

Don tabbatar da daidaiton aiki, kowane LED an raba shi zuwa bins bisa ga ƙarfin lantarki na gaba, flux mai haske, da tsawon launi mai rinjaye. Yankunan bin a IF=150mA da Ts=25°C sune kamar haka:

3.1 Bins na Ƙarfin Lantarki na Gaba

3.2 Bins na Flux na Haske

3.3 Bins na Tsawon Launi Mai Rinjaye

4. Binciken Ƙididdiga na Ayyuka

Takardar bayanin ta ƙunshi wasu mahimman hanyoyin haske da lantarki na yau da kullun da aka auna a 25°C sai dai idan an lura da wani abu daban. Fahimtar waɗannan hanyoyin yana da mahimmanci don tsarin da'ira da sarrafa zafi da ya dace.

4.1 Ƙarfin Lantarki na Gaba vs. Ƙarfin Gaba (Hoto 1-6)

Wannan hanya tana nuna alakar juzu'i tsakanin VF da IF. A 150mA ƙarfin lantarki na gaba yawanci yana kusan 2.3V (tsakiyar kewayon bin). Hanyar tana taimakawa tsinkayar bambance-bambancen ƙarfin halitta saboda canje-canjen ƙarfin lantarki.

4.2 Ƙarfin Gaba vs. Flux na Haske Mai Dangantaka (Hoto 1-7)

Ƙarfin haske mai dangantaka yana ƙaruwa da ƙarfin gaba amma ba a layi ba. A ƙananan ƙarfin halitta ingancin yana da girma; hanya tana cika sama da 150mA. Wannan yana nuna cewa yin aiki kusa da ƙimar ƙarfin halitta yana ba da kyakkyawan ingancin haske yayin da yake ci gaba da zama cikin iyakokin zafi masu aminci.

4.3 Zazzabi na Junction vs. Flux na Haske Mai Dangantaka (Hoto 1-8)

Yayin da zazzabin junction ya tashi, LED ya zama mara inganci. A Tj=125°C, flux mai dangantaka yana raguwa zuwa kusan 85% na ƙimar a 25°C. Wannan yana buƙatar ingantaccen ɗaukar zafi a cikin mahallin mota mai zafi.

4.4 Zazzabi na Solder vs. Ƙarfin Gaba (Hoto 1-9)

Wannan hanyar ragewa tana nuna matsakaicin ƙarfin gaba da aka yarda a matsayin aikin zazzabin wurin solder. Misali, a Ts=100°C ƙarfin halitta mai izini yana raguwa zuwa kusan 150mA. Masu zane dole ne su tabbatar da cewa ainihin wurin aiki ya faɗi ƙasa da wannan hanya.

4.5 Canjin Ƙarfin Lantarki vs. Zazzabi na Junction (Hoto 1-10)

Ƙarfin lantarki na gaba yana raguwa da kusan 0.2V lokacin da zazzabi ya tashi daga -40°C zuwa 125°C. Wannan ƙayyadadden ƙayyadadden zazzabi yana buƙatar la'akari a cikin masu tuki na ƙarfin halitta na yau da kullun don guje wa ƙaruwar ƙarfin halitta a babban zazzabi.

4.6 Tsarin Haskewa (Hoto 1-11)

LED yana da tsarin haskewa mai faɗi tare da kusurwar rabin ƙarfi na ±60° (jimlar 120°). Ƙarfin yana da daidaito a faɗin hasken, yana mai da shi dacewa don haskaka wuri ba tare da na'urori na biyu ba a wasu lokuta.

4.7 Canjin Tsawon Launi Mai Rinjaye vs. Zazzabi na Junction (Hoto 1-12)

Tsawon launi mai rinjaye yana karkata zuwa tsawon launi (ja) yayin da zazzabi ya tashi. Canjin yana kusan +8nm daga -40°C zuwa 125°C. Wannan canjin launi dole ne a yi la'akari da shi a aikace-aikacen da ke da mahimmanci.

4.8 Rarraba Bakan (Hoto 1-13)

Bakan fitarwa yana kaiwa koli a kewayen 620nm tare da cikakken nisa a rabin mafi girma (FWHM) na kusan 20nm. Tsabta yana da girma, wanda yake na yau da kullun ga AlGaInP LEDs ja.

5. Bayanin Injiniya da Packaging

5.1 Girman Package

Package na LED yana da girma na 2.70mm (tsawon) × 2.00mm (faɗin) × 0.60mm (tsayi). Duban saman yana nuna yanki mai fitar da haske na 1.70mm × 2.40mm. Duban ƙasa yana nuna filaye biyu na anode da cathode guda biyu don ingantaccen haɗin zafi da lantarki. Tsarin soldering da aka ba da shawarar ya haɗa da filin tsakiya don ɗaukar zafi.

5.2 Tef na Jigilar Kaya da Reel

Ana ba da LEDs a cikin tef mai faɗin 8mm tare da matakin 4mm, an nannade a kan reel mai diamita 180mm. Kowane reel yana ƙunshe da guda 4000. Tef ɗin ya ƙunshi tef ɗin rufewa kuma an rufe shi a cikin jakar hana damshi tare da desiccant da katin nuna damshi.

5.3 Bayanin Label

Kowane reel an yi masa lakabi da lambar sashi, lambar spec, lambar lot, lambar bin (flux na haske, chromaticity, ƙarfin lantarki na gaba, tsawon launi), adadi, da kwanan wata samarwa.

6. Jagororin Soldering da Haɗawa

6.1 Bayanin Reflow SMT

An tsara LED don jure sake zagaye biyu na reflow tare da mafi girman zazzabi na 260°C (mafi girma 10s a koli). Bayanin reflow da aka ba da shawarar:

• Preheat: 150°C zuwa 200°C na 60–120s
• Lokaci sama da 217°C: mafi girma 60s
• Mafi girman zazzabi: 260°C
• Ƙimar sanyaya: mafi girma 6°C/s
• Jimlar lokaci daga 25°C zuwa koli: mafi girma mintuna 8

Kada a yi fiye da sake zagaye biyu na reflow. Idan tazara tsakanin zagaye ta wuce sa'o'i 24, LEDs na iya ɗaukar damshi kuma suna buƙatar gasa.

6.2 Gyara da Sarrafawa

Ba a ba da shawarar gyara LEDs ɗin da aka yi soldering ba. Idan ba zai yiwu ba, yi amfani da ƙarfe na soldering mai kai biyu. Kada a sanya damuwa ta inji a kan silicone encapsulant yayin ko bayan soldering. Ka guji sanyaya da sauri da kuma karkatar da PCB.

7. Tsare-tsare na Sarrafawa

• Kula da Sulfur da Halogen:Yanayi da kayan haɗi dole ne su ƙunshi ƙasa da 100ppm sulfur da ƙasa da 900ppm bromine ko chlorine ɗaya ɗaya, kuma jimlar Br+Cl ƙasa da 1500ppm.
• Fitowar Iska:Mahadi masu canzawa na halitta na iya shiga cikin ruwan tabarau na silicone kuma su haifar da canza launi. Yi amfani da adhesives waɗanda ba sa fitar da tururin halitta.
• Sarrafawar Injiniya:Yi amfani da forceps a gefe. Kada a taɓa ko danna ruwan tabarau na silicone, saboda yana iya lalata haɗin ciki.
• Kariya daga ESD:LED yana da hankali ga fitowar lantarki (HBM 2000V). Yi amfani da ƙasa da matakan kariya daga antistatic.
• Tsarin Zafi:Koyaushe tabbatar da cewa zazzabin junction bai wuce 150°C ba. Yi amfani da simulation na zafi ko aunawa don tabbatar da daidaitaccen ɗaukar zafi.
• Tsaftacewa:Idan ana buƙatar tsaftacewa, yi amfani da isopropyl alcohol. Kada a yi amfani da ultrasonic tsaftacewa, saboda yana iya lalata LED.
• Ajiye:Jakunkunan da ba a buɗe ba:<30°C,<75% damshi, yi amfani da shi cikin shekara 1. Bayan buɗewa, yi amfani da shi cikin sa'o'i 24 a ƙarƙashin<30°C da<60% damshi. Idan ya wuce, gasa a 60±5°C na akalla sa'o'i 24 kafin amfani.

8. La'akari na Aikace-aikace

Lokacin tsarawa da RF-A4E27-R15E-R4, kula da waɗannan batutuwa:

• Daidaita Ƙarfin Halitta:Yi amfani da direba na ƙarfin halitta na yau da kullun don guje wa gudun zafi. Bambancin ƙarfin lantarki na gaba (2.0V zuwa 2.6V) yana buƙatar direba wanda zai iya ɗaukar kewayon.
• Sarrafa Zafi:Juriya na zafi na LED (Rth JS real = 40°C/W na yau da kullun) yana nufin cewa a 150mA, tare da ƙarfin lantarki na gaba na 2.3V, rushewar ƙarfi yana kusan 345mW, yana haifar da tashin zazzabi na junction-zuwa-solder na ~13.8°C. A cikin yanayi na 85°C, junction zai kasance kusan 99°C, wanda yake da aminci. Duk da haka, idan an haɗa LEDs da yawa kusa da juna, ana buƙatar ƙarin ɗaukar zafi.
• Tsarin Gani:Kusurwar kallo mai faɗi 120° na iya zama fa'ida ga haskaka gabaɗaya, amma don haskoki masu tattare, ya kamata a yi la'akari da na'urori na waje kamar lenses ko reflectors. Bakan bai ƙunshi abubuwan UV ko IR ba, don haka ba a buƙatar tacewa ta musamman.
• Daidaita Mota:Cancantar AEC-Q102 ta ƙunshi gwaje-gwajen damuwa kamar girgiza zafi, gwajin rayuwa, da babban damshi. Duk da haka, masu zane dole ne su tabbatar da LED a cikin takamaiman yanayin na'urar su, musamman game da girgiza da bayyanar sinadarai.

9. Amincewa da Kula da Inganci

Shirin gwajin cancantar samfur yana bin jagororin AEC-Q102. Gwaje-gwajen amincewa sun haɗa da:

• Reflow (260°C, 10s, zagaye 2): an yarda da gazawar 0/1
• MSL 2 (85°C/60%RH, 168h): gazawar 0/1
• Girgiza zafi (-40°C zuwa 125°C, zagaye 1000): gazawar 0/1
• Gwajin rayuwa (Ta=105°C, IF=150mA, 1000h): gazawar 0/1
• Babban zazzabi babban damshi (85°C/85%RH, IF=150mA, 1000h): gazawar 0/1

Ma'aunin gazawa: Ƙarfin lantarki na gaba > 1.1×USL, ƙarfin komawa > 2×USL, flux na haske<0.7×LSL.

Ka lura cewa waɗannan gwaje-gwaje an yi su a ƙarƙashin kyakkyawan yanayin ɗaukar zafi akan LEDs guda ɗaya. A aikace-aikacen tsararru, ana iya buƙatar ragewa.

10. Ka'idodin Aiki

LED yana amfani da tsarin AlGaInP (Aluminum Gallium Indium Phosphide) multi-quantum-well wanda aka girma a kan GaAs substrate. Wannan tsarin abu sananne ne don ingancin ƙarfi a kewayon ja zuwa amber. EMC package yana ba da ƙarfin inji da kyakkyawan yanayin zafi, yana ba da damar LED yin aiki a ƙarfin halitta mai girma fiye da packages na epoxy na gargajiya. Kusurwar kallo mai faɗi ta samu ne ta hanyar siffar encapsulation da tsarin chip.

11. Kwatanta da Sauran Fasahohi

Idan aka kwatanta da LEDs ja na kullun na through-hole, RF-A4E27-R15E-R4 yana da ƙarami sosai, ƙaramin bayyanar, da dacewa da haɗa SMT na atomatik. EMC package dinsa yana ba da mafi kyawun jure damshi da mafi girman aminci a ƙarƙashin zagayen zafi. Cancantar AEC-Q102 yana sa ya dace da amfani da mota, wanda ba koyaushe ake samuwa ga LEDs na yau da kullun ba. Duk da haka, farashin kowane lumen na iya zama mafi girma fiye da wasu LEDs na masu amfani da yawa, amma ya cancanta ga aikace-aikacen da suke da mahimmanci.

12. Tambayoyin da Aka Yi Yawa

Tambaya: Ana iya amfani da wannan LED tare da wutar lantarki na yau da kullun?
Amsa: Ana ba da shawarar amfani da direba na ƙarfin halitta na yau da kullun saboda ƙarfin lantarki na gaba yana bambanta. Ƙarfin lantarki na yau da kullun na iya haifar da ƙarfin halitta ya wuce iyaka idan ƙarfin lantarki yana a babban ƙarshen bin.

Tambaya: Mene ne rayuwar yau da kullun a 150mA?
Amsa: Duk da cewa ba a bayar da bayanan L70/B10 na musamman a cikin wannan takardar ba, gwajin rayuwa na AEC-Q102 a 105°C na sa'o'i 1000 ba tare da gazawa ba yana nuna tsawon rai. Don aikace-aikacen cikin mota, ana tsammanin rayuwa fiye da sa'o'i 10,000 a ƙarƙashin ingantaccen sarrafa zafi.

Tambaya: Zan iya amfani da waɗannan LEDs a layi daya?
Amsa: Aiwatar da layi daya yana yiwuwa amma dole ne a yi shi tare da resistors na daidaita ƙarfin halitta ko tushen ƙarfin halitta na yau da kullun don guje wa yin cin abinci saboda bambancin VF.

Tambaya: Shin waɗannan LEDs sun dace da soldering mara gubar?
Amsa: Ee, mafi girman zazzabi na 260°C ya dace da yawancin bayanan reflow marasa gubar.

Tambaya: Yaya zan gasa LEDs kafin amfani idan jakar hana damshi ta daɗe da buɗewa?
Amsa: Gasa a 60±5°C na akalla sa'o'i 24. Kada a wuce sa'o'i 48 don guje wa lalacewa.

13. Misalin Zane na Aiki

Yi la'akari da na'urar hasken rana (DRL) da ke buƙatar 50lm kowace raka'a. Yin amfani da mafi girman bin (MB: 33.4-37.0lm), LEDs biyu a jere za su kai ~70lm a 150mA. Tare da VF na yau da kullun na 2.3V kowanne, jimlar ƙarfin lantarki na gaba shine 4.6V. Direba na ƙarfin halitta na yau da kullun na boost tare da shigar 12V na mota na iya tuka igiyar cikin inganci. PCB ya kamata ya ƙunshi filin zafi da aka haɗa zuwa tushen ƙarfe na allo don kiyaye zazzabin junction ƙasa da 100°C a cikin yanayin ƙarƙashin ƙofar mota (yanayi har zuwa 85°C). Simulation na gani ta amfani da tsarin haskewa ya nuna cewa mai rarraba haske mai sauƙi zai iya cimma ƙirar photometric da ake buƙata ba tare da reflectors na biyu ba.

14. Hanyoyin Masana'antu

Masana'antar haskaka mota na ci gaba da karkata zuwa mafita na semiconductor gabaɗaya, tare da LEDs ja suna maye gurbin fitilu masu zafi don fitilun tsayawa/wutsiya da sigina. Cancantar AEC-Q102 na zama buƙatu na asali. Abubuwan ci gaba na gaba sun haɗa da mafi girman inganci (manufa > 150 lm/W ga ja) da haɗin kai tare da direbobi masu wayo don haskaka daidaitacce. RF-A4E27-R15E-R4 yana wakiltar zaɓi mai girma, amintacce wanda ya dace da buƙatun mota na yanzu tare da kyakkyawan aiki da sauƙin haɗawa.