LTST-S270KGKT SMD LED Takardar Bayani - LED Mai Duban Gefe - Kori (574nm) - 2.4V - 75mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-S270KGKT wata LED ce mai ƙarfin haske, SMD (Na'urar Haɗawa ta Surface) mai duban gefe, ta yi amfani da fasahar guntu ta AlInGaP (Aluminum Indium Gallium Phosphide). An ƙera wannan ɓangaren don aikace-aikacen da ke buƙatar faɗin kusurwar kallo da ingantaccen aiki a cikin tsarin haɗawa ta atomatik. Babban aikinta shi ne zama tushen haske mai ƙarfi da ƙarfi.

Fa'idodi na Asali:Mahimman fa'idodin wannan LED sun haɗa da ƙarfin haske mai ƙarfi daga tsarin kayan AlInGaP, daidaitawa da daidaitattun hanyoyin haɗawa da reflow na infrared, da kuma tattarawa akan tef na 8mm don haɗawa mai yawa da atomatik. Hakanan an rarraba shi azaman samfurin kore, wanda ya dace da ƙa'idodin RoHS (Ƙuntata Abubuwa Masu Haɗari).

Kasuwar Da Ake Nufa:Wannan LED ta dace da kewayon kayan lantarki, gami da na'urori masu sarrafa ofis, kayan aikin sadarwa, da kuma kayan amfani na gida inda ake buƙatar ingantaccen nuna matsayi.

2. Zurfin Binciken Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Ma'auni

Waɗannan ma'auni suna bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a tabbatar da aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin adadin wutar lantarki da fakitin LED zai iya watsawa azaman zafi ba tare da wuce iyakokin zafinsa ba.
• Matsakaicin Halin Gaba na DC (IF):30 mA. Matsakaicin ci gaba na gaba wanda za'a iya amfani da shi.
• Matsakaicin Halin Gaba:80 mA (a ƙarƙashin yanayin bugun jini: 1/10 aikin aiki, faɗin bugun 0.1ms). Wannan yana ba da damar ɗan gajeren lokaci, bugun jini mafi girma don aikace-aikace kamar haɗawa da yawa.
• Matsakaicin Juyawa (VR):5 V. Wuce wannan ƙarfin lantarki a cikin juyawa na iya haifar da rushewa.
• Kewayon Zafin Aiki:-30°C zuwa +85°C. Kewayon zafin yanayi don ingantaccen aiki.
• Kewayon Zafin Ajiya:-40°C zuwa +85°C.
• Yanayin Haɗawa da Infrared:Yana jure 260°C na dakika 10, wanda ya zama ruwan dare don hanyoyin reflow marasa gubar (Pb-free).

2.2 Halayen Lantarki da Gani

Ana auna waɗannan ma'auni a daidaitaccen yanayin gwaji na Ta=25°C da IF=20mA, sai dai idan an faɗi.

• Ƙarfin Hasken (Iv):Ya bambanta daga 18.0 mcd (matsakaici) zuwa 71.0 mcd (matsakaici), tare da ƙimar da aka bayar. Wannan yana auna ƙarfin haske da idon ɗan adam ke gani.
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan faɗin kusurwa yana nuna LED tana fitar da haske a kan faɗin yanki, yana sa ya dace da aikace-aikacen duban gefe.
• Matsakaicin Tsawon Tsawon Tsawon (λP):574 nm. Tsawon tsawon lokacin da ƙarfin haske ya fi girma.
• Matsakaicin Tsawon Tsawon (λd):571 nm. Wannan shine tsawon tsawon lokaci guda wanda ya fi wakiltar launin da LED ke gani, wanda aka samo daga zanen launi na CIE.
• Faɗin Rarraba Layin Gani (Δλ):15 nm. Wannan yana nuna tsaftar gani ko kuma yaduwar tsawon tsawon lokaci da aka fitar a kusa da kololuwa.
• Matsakaicin Halin Gaba (VF):Yawanci 2.4V, tare da kewayon daga 2.0V zuwa 2.8V a 20mA. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da yake gudana.
• Matsakaicin Juyawa (IR):10 μA matsakaici a VR=5V. Ƙaramin ƙarfin lantarki lokacin da LED ke juyawa.

3. Bayanin Tsarin Lambobin Bin

Ana rarraba LED zuwa kwandon bin bisa mahimman ma'auni don tabbatar da daidaito a cikin samarwa. Dole ne masu ƙira su ƙayyade lambobin bin da ake buƙata lokacin yin oda don daidaitawar launi da haske.

3.1 Rarraba Matsakaicin Halin Gaba

An rarraba shi a 20mA. Toleranci akan kowane bin shine ±0.1V.
Lambobin Bin: 4 (1.90-2.00V), 5 (2.00-2.10V), 6 (2.10-2.20V), 7 (2.20-2.30V), 8 (2.30-2.40V).

3.2 Rarraba Ƙarfin Hasken

An rarraba shi a 20mA. Toleranci akan kowane bin shine ±15%.
Lambobin Bin: M (18.0-28.0 mcd), N (28.0-45.0 mcd), P (45.0-71.0 mcd).

3.3 Rarraba Matsakaicin Tsawon Tsawon

An rarraba shi a 20mA. Toleranci ga kowane bin shine ±1 nm.
Lambobin Bin: C (567.5-570.5 nm), D (570.5-573.5 nm), E (573.5-576.5 nm).

4. Binciken Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa na zane a cikin takardar bayanai (misali, Hoto na 1 don rarraba gani, Hoto na 6 don kusurwar dubawa), bayanan suna nuna halayen LED na yau da kullun.

• Lanƙwasa IV:Matsakaicin halin gaba (VF) yana ƙaruwa tare da halin gaba (IF), yana bin alaƙar ma'auni ta diode. Ƙayyadaddun VF @ 20mA shine mahimmin batu na ƙira.
• Halayen Zafin Jiki:Ƙarfin haske yawanci yana raguwa yayin da zafin haɗuwa ya ƙaru. Faɗin kewayon zafin aiki (-30°C zuwa +85°C) yana nuna ingantaccen aiki a cikin muhalli daban-daban, ko da yake za a iya buƙatar rage ƙima a yanayin zafi mai girma.
• Rarraba Gani:Kololuwa a 574nm tare da rabin faɗin 15nm yana bayyana launin kore. Matsakaicin tsawon tsawon lokaci (571nm) shine mahimmin ma'auni don ƙayyadaddun launi a cikin ƙira.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED ta dace da daidaitaccen tsarin kunshin EIA don LED masu duban gefe. Duk girmansu suna cikin milimita tare da toleranci na gabaɗaya na ±0.10 mm sai dai idan an faɗi. An ba da cikakkun zane-zane masu girma don ƙirar sawun PCB.

5.2 Ƙirar Pad da Polarity

Takardar bayanai ta haɗa da girmansu na shafin haɗawa da shawarwari da kuma alkibla. Daidaitaccen polarity yana da mahimmanci; LED tana da anode da cathode waɗanda dole ne su dace da sawun PCB. An ƙera kunshin don ya dace da kayan aikin sanya atomatik.

6. Jagororin Haɗawa da Haɗawa

6.1 Ma'auni na Haɗawa da Reflow

An ba da shawarar bayanin martaba na reflow na IR don tsarin maras gubar, wanda ya dace da ƙa'idodin JEDEC.

• Pre-heat:150-200°C.
• Lokacin Pre-heat:Matsakaicin dakika 120.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokaci Sama da Liquidus:Dakika 10 matsakaici (ana ba da shawarar matsakaicin zagaye biyu na reflow).

Lura:Mafi kyawun bayanin martaba ya dogara da takamaiman ƙirar PCB, man haɗawa, da tanda. Bayanin martaba da aka bayar yana aiki azaman manufa ta gabaɗaya.

6.2 Haɗawa da Hannu

Idan haɗawa da hannu ya zama dole:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Haɗawa:Matsakaicin dakika 3 a kowane pad (sau ɗaya kawai).

6.3 Yanayin Ajiya

• Kunshin da aka Rufe:Ajiye a ≤30°C da ≤90% RH. Yi amfani da shi cikin shekara guda idan jakar hana danshi tare da desiccant ta kasance cikakke.
• Kunshin da aka Buɗe:Ajiye a ≤30°C da ≤60% RH. Yi amfani da shi cikin mako guda don reflow. Don ajiya mai tsawo, yi amfani da akwati mai rufi tare da desiccant ko nitrogen desiccator. LED da aka ajiye daga kunshin na >1 mako yakamata a gasa su a ~60°C na ≥20 sa'o'i kafin haɗawa.

6.4 Tsaftacewa

Yi amfani da takamaiman wakilan tsaftacewa kawai. A nutsar da su cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya idan ana buƙatar tsaftacewa. Kada a yi amfani da sinadarai da ba a ƙayyade ba.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Tef da Reel

• An tattara shi a cikin tef mai faɗin 8mm mai ɗaukar kaya.
• Ana ba da shi akan reels masu diamita 7-inch (178mm).
• Adadin kowane Reel:Guda 4000.
• Matsakaicin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Kunshin ya dace da ƙayyadaddun ANSI/EIA-481.
• Ana rufe aljihunan fanko da tef ɗin rufi.
• Ana ba da izinin mafi yawan abubuwan da suka ɓace biyu a jere a kowane reel.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED mai duban gefe ta dace da aikace-aikacen da ake buƙatar ganin haske daga gefen na'ura, kamar:

• Masu nuna matsayi akan kayan lantarki masu sirara (wayoyi, kwamfutocin hannu, kwamfutocin tafi-da-gidanka).
• Hasken baya don allunan da aka haskaka gefe ko alamomi.
• Masu nuna matakin akan kayan aikin sauti ko kayan aiki.
• Fitilun nuni na gabaɗaya a cikin kayan aiki da kayan aikin ofis.

8.2 Abubuwan da Ake Yi la'akari da su a Ƙira

• Ƙuntatawa na Halin Yanzu:Koyaushe yi amfani da resistor mai ƙuntatawa na jerin. Yi lissafin bisa ƙarfin lantarki (Vs), ƙarfin lantarki na gaba na LED (VF daga zaɓaɓɓen bin), da halin gaba da ake so (IF, ba zai wuce 30mA DC ba). Formula: R = (Vs - VF) / IF.
• Kariya ta ESD:LED suna da hankali ga zubar da wutar lantarki (ESD). Yi amfani da shi tare da matakan kariya na ESD (wrist straps, wurin aiki mai tushe).
• Gudanar da Zafin Jiki:Tabbatar cewa shimfidar PCB tana ba da damar watsa zafi, musamman idan ana aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma.
• Ƙirar Gani:Kusurwar dubawa na digiri 130 yana ba da faɗin ganuwa. Yi la'akari da wannan a cikin ƙirar injiniya na bututun haske ko buɗaɗɗen.

9. Kwatancen Fasaha da Bambance-bambance

LTST-S270KGKT ya bambanta kansa ta hanyar kayan sa da kunshin:

• AlInGaP vs. Sauran Fasahohi:Idan aka kwatanta da LED na kore na GaP (Gallium Phosphide) na gargajiya, AlInGaP yana ba da ingantaccen inganci da haske sosai.
• Kunshin Duban Gefe:Ba kamar LED masu fitarwa na sama ba, an ƙera wannan kunshin musamman don fitar da haske daga gefe, yana adana sararin samaniya a tsaye akan PCB kuma yana ba da damar ƙira na musamman da na aiki.
• Daidaitawar Reflow:Ƙarfinsa na jure daidaitattun bayanan martaba na reflow na SMT yana sa ya dace da layukan samarwa na zamani, masu yawa tare da sauran abubuwan.

10. Tambayoyin da Ake Yi Akai-akai (Bisa Ma'auni na Fasaha)

Q: Wane ƙimar resistor yakamata in yi amfani da shi tare da samar da 5V?
A: Yin amfani da VF=2.4V na yau da kullun da manufa IF=20mA: R = (5V - 2.4V) / 0.02A = 130 Ohms. Yi amfani da ƙimar daidaitaccen ƙima mafi kusa (misali, 130Ω ko 120Ω). Koyaushe yi la'akari da mafi ƙarancin da matsakaicin VF daga lambar bin don lissafin halin yanzu mafi muni.

Q: Zan iya tuƙi wannan LED tare da siginar PWM don dushewa?
A: Ee. Matsakaicin halin gaba na 80mA (bugun jini) yana ba da damar dushewa ta PWM. Tabbatar cewa matsakaicin halin yanzu a kan lokaci bai wuce ƙimar halin gaba na DC na 30mA ba.

Q: Me yasa akwai lambobin bin daban-daban, kuma wanne yakamata in zaɓa?
A: Bambance-bambancen samarwa yana haifar da bambance-bambance a cikin VF, ƙarfi, da tsawon tsawon lokaci. Binning yana tabbatar da daidaito a cikin guda. Don aikace-aikacen da suka fi mahimmanci na launi (misali, nuni na LED da yawa), ƙayyade ƙunƙuntaccen tsawon tsawon lokaci (misali, D). Don daidaiton haske, ƙayyade ƙunƙuntaccen bin mai ƙarfi (misali, P). Don nuni na gabaɗaya, daidaitattun bin suna karɓuwa.

Q: Ana buƙatar sink na zafi?
A> A matsakaicin matsakaicin raguwar wutar lantarki na 75mW da yanayin aiki na yau da kullun (20mA * ~2.4V = 48mW), yawanci ba a buƙatar sink na zafi na musamman don LED guda ɗaya. Duk da haka, daidaitaccen zubar da tagulla na PCB na iya taimakawa wajen watsa zafi, musamman a cikin yanayin zafi mai girma ko lokacin da aka taru LED da yawa.

11. Ƙirar Aiki da Amfani da Shari'ar

Shari'ar: Ƙirar Mai Nuna Matsayi don Na'urar da Ake ɗauka
Mai ƙira yana ƙirƙirar kwamfutar hannu mai sirara tare da mai nuna wutar lantarki/caji da aka sanya gefe. An zaɓi LTST-S270KGKT saboda halayen fitar da gefe da ƙaramin martaba.

1. Shimfidar PCB:An sanya LED a gefen PCB. An yi amfani da shimfidar pad da aka ba da shawara daga takardar bayanai don tabbatar da ingantaccen haɗawa da daidaitawa.
2. Ƙirar Kewayawa:Na'urar tana amfani da layin tsarin 3.3V. An zaɓi resistor na 47Ω ((3.3V - 2.4V)/0.02A ≈ 45Ω) don tuƙi LED a kusan 20mA, yana ba da isasshen haske.
3. Haɗin Injiniya:Ƙaramin jagorar haske yana tafiyar da haske daga gefen LED zuwa ƙaramin taga a kan gefen kwamfutar hannu. Kusurwar dubawa na digiri 130 tana tabbatar da cewa hasken yana iya gani daga kusurwoyi daban-daban.
4. Samarwa:LED, waɗanda aka ba da su akan reels na tef na 8mm, ana sanya su ta atomatik yayin haɗin SMT. Allon yana ƙarƙashin daidaitaccen tsarin reflow maras gubar tare da matsakaicin zafin 250°C, wanda ya dace da iyakar LED na 260°C.
5. Binning:Mai ƙira ya ƙayyade Lambar Bin 6 don VF (2.1-2.2V) da Lambar Bin N don ƙarfi (28-45 mcd) don tabbatar da daidaiton haske da launi a duk raka'o'in samarwa ba tare da buƙatar mafi girma (kuma mai yuwuwar tsada) bin.

12. Gabatarwar Ka'ida

Fitar da haske a cikin wannan LED ya dogara ne akan electroluminescence a cikin haɗin p-n semiconductor da aka yi da kayan AlInGaP. Lokacin da aka sanya ƙarfin lantarki na gaba, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki (haɗin). Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gami na AlInGaP yana ƙayyade ƙarfin bandgap na semiconductor, wanda kai tsaye yana ƙayyade tsawon tsawon lokaci (launi) na hasken da aka fitar. A wannan yanayin, an daidaita abun da ke ciki don samar da hasken kore tare da tsayin tsawon lokaci a kusa da 574 nanometers. Kunshin duban gefe ya haɗa da ruwan tabarau na epoxy wanda ke siffanta fitar da haske, yana haifar da halayen kusurwar dubawa na digiri 130 ta hanyar jujjuyawa da nuna hasken da aka fitar daga guntu.

13. Trends na Ci gaba

Gabaɗayan yanayin a cikin LED masu nuna alama kamar wannan yana zuwa ga yankuna masu mahimmanci da yawa:

• Ƙara Ingantaccen Aiki:Ci gaban kimiyyar kayan aiki na ci gaba da nufin samar da ƙarin lumens kowace watt (lm/W), rage amfani da wutar lantarki don fitar da haske iri ɗaya.
• Ƙananan Girma:Akwai ci gaba da turawa don ƙananan girman kunshin yayin da ake kiyayewa ko inganta aikin gani, yana ba da damar shimfidar PCB mai yawa da ƙananan samfuran ƙarshe.
• Ingantaccen Amincewa da Ƙarfi:Ingantattun kayan kunshin da fasahohin haɗa mutu yana haifar da tsawon rayuwa da ingantaccen aiki a ƙarƙashin yanayi mai tsauri (zafin jiki, danshi).
• Haɗawa:Trends sun haɗa da haɗa masu ƙuntatawa na halin yanzu ko ma sauƙaƙan ICs direba a cikin kunshin LED don sauƙaƙe ƙirar kewayawa ga mai amfani na ƙarshe.
• Daidaiton Launi da Binning:Ana inganta hanyoyin samarwa akai-akai don rage bambance-bambance, yana haifar da ƙayyadaddun ƙayyadaddun binning da ƙarancin buƙatar zaɓin zaɓi a cikin aikace-aikacen da suka fi mahimmanci na launi.