Takardar Bayanin Fasaha na SMD LED LTST-108TBL - InGaN Blue - 3.2x1.6x1.1mm - 3.4V Matsakaici - 102mW - Hausa

1. Bayanin Samfur

LTST-108TBL na'urar haske ce (LED) mai hawa a saman (SMD) wacce aka tsara don haɗa allon da'ira (PCB) ta atomatik. Ƙananan girmansa ya sa ya dace da aikace-aikacen da ke da ƙarancin sarari a cikin kayan lantarki masu yawa.

1.1 Fa'idodi na Asali

• Ƙaramin Girma:Ƙananan kunshin da'irar EIA yana ba da damar tsarin PCB mai yawan girma.
• Dacewa da Atomatik:Ana samar da shi a cikin tef na 8mm akan reels na inci 7, yana dacewa gaba ɗaya da kayan aikin ɗauka da sanyawa ta atomatik.
• Ƙarfafa Masana'antu:Yana dacewa da hanyoyin guntun guntun infrared (IR), yana goyan bayan layukan haɗawa marasa gubar (Pb-free).
• Yin Biyayya ga Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Amincewa:Ana shirya na'urorin don saurin zuwa matakan damshin JEDEC Level 3, yana tabbatar da amincin yayin guntun.

1.2 Kasuwa da Aikace-aikace

An ƙera wannan LED don amfani a cikin kayan lantarki na masu amfani, kasuwanci, da masana'antu inda ake buƙatar nuna matsayi mai aminci, ƙarancin tsayi.

• Sadarwa:Masu nuna matsayi a cikin na'urorin sadarwa, modem, da masu sauya hanyoyin sadarwa.
• Sarrafa Ofis & Kwamfuta:Fitilun wuta/aiki a cikin kwamfutocin hannu, kwamfutocin tebur, da na'urorin haɗin gwiwa.
• Kayan Gida & Kayan Lantarki na Masu Amfani:Fitilun nuni akan allunan sarrafawa.
• Kayan Aikin Masana'antu:Matsayin inji da alamun kuskure.
• Amfanin Gabaɗaya:Hasken baya na gaban allon, aikace-aikacen haske na sigina da alama.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana 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):102 mW a Ta=25°C. Wannan shine matsakaicin ƙarfin da kunshin zai iya watsawa azaman zafi.
• Halin Gaba na DC (IF):30 mA ci gaba. Wucewa wannan halin yanzu yana ƙara yawan zafin jiki kuma yana haɓaka raguwar lumen.
• Matsakaicin Halin Gaba:80 mA, ana ba da izini kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms) don ɗan gajeren sigina.
• Factor Derating:0.38 mA/°C layi daga 25°C. Dole ne a rage matsakaicin halin DC da aka yarda yayin da yanayin yanayi ya ƙaru don hana wuce iyakar zafin jiki.
• Aiki & Ma'adanan Zafin Jiki:-40°C zuwa +85°C da -40°C zuwa +100°C, bi da bi, suna ayyana iyakokin muhalli don aiki da rashin aiki.

2.2 Halayen Lantarki da Hasken Gani

Ana auna shi a Ta=25°C tare da IF=20mA, sai dai idan an faɗi. Waɗannan su ne ma'auni na aiki na yau da kullun.

• Ƙarfin Hasken Gani (Iv):Ya bambanta daga 330.0 mcd (ƙarami) zuwa 520.0 mcd (matsakaici), tare da ƙimar yau da kullun dangane da matsayin kwandon shara. Ana auna shi ta amfani da firikwensin da aka tace zuwa lanƙwasa amsa ido na CIE photopic.
• Kusurwar Kallo (2θ½):Faɗin kusurwar digiri 110 (na yau da kullun), wanda aka ayyana azaman kusurwar kashe-axial inda ƙarfin ya rabi na axial (akan-axis).
• Matsakaicin Tsawon Tsawon (λp):Yawanci 471 nm, yana nuna kololuwar bakan hasken da aka fitar.
• Matsakaicin Tsawon Tsawon (λd):Ya bambanta daga 457 nm zuwa 467 nm. Wannan shine tsawon tsawon raƙuman da idon ɗan adam ya gane don ayyana launi (blue). Hakuri shine ±1 nm kowace kwandon shara.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 26 nm, yana bayyana tsaftar bakan ko faɗin band na fitar da hasken blue.
• Ƙarfin Gaba (VF):Tsakanin 2.6V (ƙarami) da 3.4V (matsakaici) a 20mA. Ana sanya wannan ma'auni a cikin kwandon shara don daidaito a cikin ƙirar da'ira.
• Halin Baya (IR):Matsakaicin 5 µA a VR=5V. Ba a ƙera na'urar don aikin karkatar da baya ba; wannan gwajin don tabbatar da inganci kawai ne.
• Ƙarfin Ƙarfi (C):Yawanci 40 pF a VF=0V, f=1 MHz, yana da alaƙa da la'akari da sauyawa cikin sauri.

3. Bayanin Tsarin Matakin Kwandon Shara

Ana rarraba samfurin zuwa kwandon shara bisa mahimman ma'auni don tabbatar da daidaiton aiki a cikin rukunin samarwa. Masu ƙira za su iya ƙayyade kwandon shara don dacewa da buƙatun aikace-aikace.

3.1 Matsayin Ƙarfin Gaba (VF)

Raka'a: Volts @ 20mA. Hakuri akan kowane kwandon shara shine ± 0.10V.

• F4:2.6V (Ƙarami) - 2.8V (Matsakaici)
• F5:2.8V - 3.0V
• F6:3.0V - 3.2V
• F7:3.2V - 3.4V

3.2 Matsayin Ƙarfin Hasken Gani (Iv)

Raka'a: millicandelas (mcd) @ 20mA. Hakuri akan kowane kwandon shara shine ± 11%.

• T2:330.0 mcd (Ƙarami) - 410.0 mcd (Matsakaici)
• U1:410.0 mcd - 520.0 mcd

3.3 Matsayin Matsakaicin Tsawon Tsawon (WD)

Raka'a: nanometers (nm) @ 20mA. Hakuri ga kowane kwandon shara shine ± 1 nm.

• AC:457.0 nm (Ƙarami) - 462.0 nm (Matsakaici)
• AD:462.0 nm - 467.0 nm

4. Bincike na Lanƙwasa Aiki

Lanƙwasa halaye na yau da kullun suna ba da haske game da halayen na'urar a ƙarƙashin yanayi daban-daban. Duk lanƙwasa suna a 25°C sai dai idan an lura.

4.1 Matsakaicin Ƙarfin Hasken Gani vs. Halin Gaba

Wannan lanƙwasa yana nuna alaƙa kusa da layi tsakanin halin gaba (IF) da fitar da haske (Iv) a cikin kewayon aikin da aka ba da shawarar. Tuƙi LED sama da 20mA yana haifar da raguwar riba a cikin inganci da ƙara zafi.

4.2 Matsakaicin Ƙarfin Hasken Gani vs. Yanayin Yanayi

Fitar da haske yana raguwa yayin da yanayin yanayi ya ƙaru. Wannan tasirin kashe zafi halayen LED na semiconductor ne kuma dole ne a yi la'akari da shi a cikin ƙira masu aiki a manyan yanayin zafi.

4.3 Ƙarfin Gaba vs. Halin Gaba

Wannan lanƙwasa mai ma'ana yana kwatanta halayen I-V na diode. Ƙayyadaddun VF a 20mA shine wurin aiki na yau da kullun. Lanƙwasa yana taimakawa wajen ƙirar da'irar iyakance halin yanzu.

4.4 Rarraba Bakan

Jadawalin yana nuna kololuwa guda ɗaya a kusa da 471 nm (na yau da kullun) tare da rabin faɗin kusan 26 nm, yana tabbatar da fitar da hasken blue monochromatic daga kayan semiconductor na InGaN.

5. Bayanin Injiniya & Kunshin

5.1 Girman Kunshin

LTST-108TBL yana zaune a cikin da'irar SMD na yau da kullun. Mahimman girma (a cikin millimeters, hakuri ±0.2mm sai dai idan an lura) sun haɗa da girman jiki kusan 3.2mm (L) x 1.6mm (W) x 1.1mm (H). Ruwan tabarau yana da tsabta. Yawanci ana gano cathode ta hanyar alama akan kunshin ko koren launi a cikin ruwan tabarau.

5.2 Tsarin Gado na PCB da Aka Ba da Shawara

An ba da ƙirar ƙirar ƙasa don guntun guntun infrared ko tururi. Wannan tsarin yana tabbatar da samar da fillet na guntun da ya dace, kwanciyar hankali na injiniya, da taimakon zafi yayin haɗawa. Yin biyayya ga wannan shimfidar yana da mahimmanci don cimma haɗin guntun amintacce da sarrafa zubar da zafi daga mutuwar LED.

6. Jagororin Guntun & Haɗawa

6.1 Bayanin Yanayin Guntun IR Reflow (Tsarin Pb-Free)

An ƙayyade cikakken bayanin yanayin zafi wanda ya bi J-STD-020B don haɗawa mara gubar.

• Pre-heat:Mafi kyawun bayanin yana dogara ne akan takamaiman ƙirar PCB, manna guntun, da tanda. Bayanin da aka bayar yana aiki azaman manufa ta gaba ɗaya dangane da ma'auni na JEDEC.
• Lokacin Pre-heat:Matsakaicin dakika 120.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokaci Sama da Liquidus:Bayanan da aka ba da shawarar yana nuna takamaiman tsawon lokaci.
• Lokacin Guntun:Matsakaicin dakika 10 a matsakaicin zafin jiki (matsakaicin zagaye biyu na reflow).

Lura:The optimal profile depends on the specific PCB design, solder paste, and oven. The provided profile serves as a generic target based on JEDEC standards.

6.2 Guntun Hannu (Idan Ya Bukata)

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Guntun:Matsakaicin dakika 3 kowane gado (sau ɗaya kawai).

6.3 Yanayin Ajiya

• Kunshin da aka rufe:Ajiye a ≤ 30°C da ≤ 70% RH. Yi amfani da shi cikin shekara guda lokacin da jakar hana danshi tare da desiccant ta kasance cikakke.
• Kunshin da aka buɗe:Ajiye a ≤ 30°C da ≤ 60% RH. Ana ba da shawarar kammala reflow na IR cikin sa'o'i 168 (mako ɗaya) na fallasa.
• Ajiya Mai Tsayi (An Buɗe):Ajiye a cikin akwati mai rufi tare da desiccant ko a cikin yanayin nitrogen. Idan an fallasa na >168 hours, gasa a kusan 60°C na aƙalla awanni 48 kafin guntun don cire danshi da hana \"popcorning\" yayin reflow.

6.4 Tsaftacewa

Idan tsaftacewa ya zama dole bayan guntun, yi amfani da kawai takamaiman kaushi. Tsoma LED a cikin barasa na ethyl ko isopropyl alcohol a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Kada a yi amfani da tsaftacewa ta ultrasonic ko sinadarai da ba a bayyana ba.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana samar da na'urar a cikin tef ɗin mai ɗaukar kaya bisa ƙayyadaddun ANSI/EIA 481.

• Faɗin Tef:8 mm.
• Diamita na Reel:Inci 7 (178 mm).
• Adadin kowane Reel:Guda 4000.
• Ƙaramin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Rufe Aljihu:Ana rufe aljihunan fanko da tef ɗin rufi.
• Rashin Sassa:Ana ba da izinin fitilun da suka ɓace biyu a jere kowace ƙayyadaddun.

8. Shawarwari na Aikace-aikace & La'akari da Ƙira

8.1 Hanyar Tuƙi

LEDs na'urori ne masu aiki da halin yanzu. Don tabbatar da haske iri ɗaya, musamman lokacin haɗa LED masu yawa a layi daya, kowace LED yakamata a tuƙa ta hanyar tushen halin yanzu na yau da kullun ko kuma ta sami resistor mai iyakance halin yanzu. Ba a ba da shawarar tuƙawa da tushen ƙarfin lantarki na yau da kullun ba tare da resistor na jerin ba saboda yana iya haifar da guduwar zafi saboda ƙarancin yanayin zafi na VF.

8.2 Gudanar da Zafi

Duk da kunshin yana da ƙanƙanta, ƙirar zafi mai dacewa tana da mahimmanci don tsawon rai. Tabbatar da ƙirar gado na PCB yana ba da isasshen taimakon zafi. Guji aiki a matsakaicin halin yanzu (30mA) a cikin manyan yanayin yanayi ba tare da la'akari da ƙimar rage ƙima (0.38 mA/°C) ba. Manyan yanayin zafin jiki suna haɓaka raguwar lumen kuma suna iya rage tsawon lokacin aiki.

8.3 Ƙirar Hasken Gani

Faɗin kusurwar kallo digiri 110 ya sa wannan LED ya dace da aikace-aikacen da ke buƙatar faɗin ganuwa. Don haske mai mai da hankali ko jagora, ƙila a buƙaci na'urorin gani na biyu (ruwan tabarau, jagororin haske). Ruwan tabarau mai tsabta yana da mafi kyau ga aikace-aikacen inda ake son ainihin launin guntu.

9. Kwatancen Fasaha & Bambance-bambance

Idan aka kwatanta da tsofaffin fasaha kamar LED na blue na tushen GaP, wannan LED na InGaN (Indium Gallium Nitride) yana ba da ingantaccen inganci mai haske da ƙarin launin blue mai cika. A cikin sifar sifarsa, manyan abubuwan banbance sun haɗa da faɗin kusurwar kallonsa, takamaiman tsarin kwandon shara don daidaiton launi da ƙarfi, da ƙaƙƙarfan gini don dacewa da reflow na IR, wanda ƙila ba ya nan a cikin duk ƙananan LED na SMD masu arha.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

10.1 Zan iya tuƙa wannan LED a 30mA ci gaba?

Ee, 30mA shine matsakaicin ƙayyadaddun halin gaba na DC a 25°C. Duk da haka, don mafi kyawun tsawon rai da aminci, yana da kyau a tuƙi LEDs ƙasa da matsakaicin matsakaicin su, kamar a yanayin gwaji na 20mA. Koyaushe yi amfani da ƙimar rage ƙima idan yanayin yanayi ya wuce 25°C.

10.2 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

Matsakaicin Tsawon Tsawon (λp)shine tsawon tsawon raƙuman da ke mafi girman matsayi a cikin rarraba ƙarfin bakan LED (yawanci 471 nm).Matsakaicin Tsawon Tsawon (λd)adadi ne na launi wanda aka samo daga zanen launi na CIE; shine tsawon tsawon raƙuman da ya fi dacewa da launin da aka gane na LED (457-467 nm). λd ya fi dacewa don ƙayyadaddun launi a cikin aikace-aikacen gani.

10.3 Me yasa akwai iyakar lokacin ajiya bayan buɗe jakar?

Kunshin SMD na iya ɗaukar danshi daga yanayi. A lokacin babban yanayin zafi na guntun reflow, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da matsa lamba na ciki wanda zai iya lalata kunshin ko fashe mutuwa (\"popcorning\"). Rayuwar bene na sa'o'i 168 da hanyoyin gasa sune maganin wannan yanayin gazawa.

11. Nazarin Lamarin Aikace-aikace na Aiki

Yanayi:Ƙirar allon nuna matsayi don sauya hanyar sadarwa tare da LED 24 iri ɗaya na wutar lantarki/aiki blue.

La'akari da Ƙira:

1. Tuƙin Halin Yanzu:Yi amfani da direba IC na halin yanzu na yau da kullun ko resistors 24 iri ɗaya masu iyakance halin yanzu (wanda aka ƙidaya don ~20mA daga ƙarfin lantarki na tsarin da kwandon shara na VF na LED, misali, F5: ~2.9V typ).
2. Daidaiton Hasken Gani:Ƙayyade matsananciyar kwandon shara na Iv (misali, U1: 410-520 mcd) da kwandon shara na VF (misali, F5) daga mai samarwa don tabbatar da cewa duk LED 24 suna bayyana daidai haske.
3. Shimfidar PCB:Aiwatar da shimfidar gado na guntun da aka ba da shawarar don kowane LED don tabbatar da amintaccen guntun atomatik da zubar da zafi.
4. Haɗawa:Bi bayanin reflow na Pb-free da aka ƙayyade. Tabbatar an haɗa allunan cikin sa'o'i 168 na buɗe reel ɗin LED ko kuma an gasa LED da kyau idan an adana su tsawon lokaci.

12. Gabatarwar Ka'idar Aiki

LED diode ne na semiconductor p-n junction. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki (junction). Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, ana sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon tsawon raƙuman (launi) na haske an ƙaddara shi ta hanyar ƙarfin bandgap na kayan semiconductor da aka yi amfani da shi a cikin yankin aiki. LTST-108TBL yana amfani da haɗin gwiwar semiconductor na Indium Gallium Nitride (InGaN), wanda aka ƙera don fitar da photons a cikin bakan blue (~470 nm).

13. Trends na Fasaha

Ci gaban ingantattun LED na blue InGaN wani babban nasara ne a cikin hasken ƙwaƙƙwaran jiki, wanda ke ba da damar ƙirƙirar LED farare (ta hanyar jujjuyawar phosphor) da cikakkun nuni masu launi. Ci gaba da ci gaba a cikin fasahar SMD LED sun haɗa da ci gaba da inganta ingancin haske (lumens kowace watt), mafi girman ƙarfin wutar lantarki a cikin ƙananan kunshin, ingantattun fihirisar ba da launi (CRI) don LED farare, da haɗa ƙarin fasali masu zurfi kamar masu tuƙi na ciki ko da'irar sarrafawa. Tuƙi zuwa ƙananan ƙira da dacewa da ci-gaba da hanyoyin haɗawa, kamar yadda aka gani a cikin wannan takardar bayanin, ya kasance daidai a cikin masana'antu.