Takardun Bayani na LED na SMD 17-21/G6C-FN1P2B/3T - Girman 1.6x0.8x0.6mm - Ƙarfin Wutar Lantarki 1.75-2.35V - Launi Mai Kyau na Yellow Green - Takardun Fasaha na Hausa

1. Bayanin Samfur

17-21/G6C-FN1P2B/3T LED ne na Surface-Mount Device (SMD) wanda aka tsara don haɗuwar lantarki mai yawan girma. Yana da ƙaramin ƙafa, wanda ya sa ya dace da aikace-aikace inda sararin allo ke da ƙima. An gina na'urar ta amfani da kayan semiconductor na AlGaInP, wanda ke samar da fitowar haske mai kyau na yellow-green. An kunna wannan LED a kan tef na 8mm kuma ana ba da shi akan reel mai diamita 7-inch, yana tabbatar da dacewa da daidaitattun kayan aikin sarrafa kai da gyarawa ta hanyar reflow da ake amfani da su wajen samarwa mai yawa.

Babban fa'idodin wannan ɓangaren sun haɗa da ƙananan girmansa, wanda ke ba da damar rage girman kayan aiki da ƙara yawan tattarawa akan allunan da'ira (PCBs). Ginin sa mai sauƙi yana ƙarfafa amfani da shi a cikin ƙananan na'urorin lantarki da na'urorin hannu. Samfurin ya bi ka'idojin muhalli da aminci, ciki har da RoHS, REACH, da buƙatun marasa halogen, wanda ya sa ya dace da kasuwanni na duniya.

2. Zurfin Binciken Ƙayyadaddun Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

An tsara na'urar don yin aiki cikin aminci a cikin ƙayyadaddun iyakoki. Wucewa waɗannan ƙimar na iya haifar da lalacewa ta dindindin. Matsakaicin ƙarfin wutar lantarki na baya (VR) shine 5V. Ci gaba da halin yanzu na gaba (IF) bai kamata ya wuce 25mA ba, yayin da kololuwar halin yanzu na gaba (IFP) na 60mA ya halatta a ƙarƙashin yanayin bugun jini (duty cycle 1/10 a 1kHz). Matsakaicin raguwar wutar lantarki (Pd) shine 60mW. Bangaren zai iya jure fitar da wutar lantarki (ESD) na 2000V bisa ga Tsarin Jikin Mutum (HBM). Yanayin zafin aiki daga -40°C zuwa +85°C, tare da kewayon zafin ajiya daga -40°C zuwa +90°C.

2.2 Halayen Lantarki da Na'urar Gani

An auna a daidaitaccen zafin haɗin gwiwa na 25°C da halin yanzu na gaba na 20mA, aikin LED yana da siffa ta wasu mahimman sigogi. Ƙarfin haske (Iv) yana da kewayon na yau da kullun wanda tsarin rarrabawa ya ayyana. Kusurwar kallo (2θ1/2) yawanci digiri 140 ne, yana ba da filin haske mai faɗi. Tsawon tsinkaya kololuwa (λp) yana kewaye da 575nm, yayin da tsawon tsinkaya mai rinjaye (λd) ya kewayo daga 570.0nm zuwa 574.5nm. Faɗin bakan (Δλ) yawanci 20nm ne. Ƙarfin wutar lantarki na gaba (VF) ya kewayo daga 1.75V zuwa 2.35V, kuma halin yanzu na baya (IR) shine matsakaicin 10μA a 5V na baya. Yana da mahimmanci a lura cewa ba a tsara na'urar don yin aiki a ƙarƙashin yanayin ƙarfin wutar lantarki na baya ba; ƙimar VR tana aiki ne kawai ga gwajin IR.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin ƙirar aikace-aikace, ana rarraba LEDs zuwa kwandon ayyuka bisa ga mahimman sigogi guda uku: ƙarfin haske, tsawon tsinkaya mai rinjaye, da ƙarfin wutar lantarki na gaba. Wannan yana ba masu zane damar zaɓar abubuwan da suka dace da takamaiman ma'auni na aiki don ayyukansu.

3.1 Rarrabawar Ƙarfin Hasken

An rarraba ƙarfin haske zuwa kwandon ayyuka huɗu (N1, N2, P1, P2) wanda aka auna a IF=20mA. Kewayon ya kewayo daga mafi ƙanƙanta na 28.5 mcd (N1 min) zuwa matsakaicin 72.0 mcd (P2 max). Tolerancin ±11% yana aiki a cikin kowane kwandon ayyuka.

3.2 Rarrabawar Tsawon Tsinkaya Mai Rinjaye

Tsawon tsinkaya mai rinjaye, wanda ke ayyana launin da ake gani, an rarraba shi zuwa kwandon ayyuka uku (CC2, CC3, CC4). Kewayon daga 570.0nm zuwa 574.5nm, tare da ƙaramin tolerancin ±1nm don kiyaye daidaiton launi.

3.3 Rarrabawar Ƙarfin Wutar Lantarki na Gaba

An haɗa ƙarfin wutar lantarki na gaba zuwa kwandon ayyuka uku (0, 1, 2), kewayo daga 1.75V zuwa 2.35V a IF=20mA. Tolerancin don ƙarfin wutar lantarki na gaba shine ±0.1V. Zaɓin LEDs daga kwandon ayyuka na wutar lantarki ɗaya na iya taimakawa tabbatar da daidaiton haske lokacin da ake tuka LEDs da yawa a layi daya.

4. Binciken Lankwalin Aiki

Takardun bayani yana nuni zuwa lankwalan halaye na lantarki da na'urar gani na yau da kullun. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutu ba, waɗannan lankwalan yawanci suna kwatanta alaƙa tsakanin halin yanzu na gaba da ƙarfin haske, ƙarfin wutar lantarki na gaba da zafin jiki, da rarraba ƙarfin bakan. Bincika waɗannan lankwalan yana da mahimmanci don fahimtar halayen LED a ƙarƙashin yanayin aiki daban-daban, kamar canje-canje a cikin halin yanzu na tuƙi ko zafin yanayi, wanda ke shafar fitowar haske da inganci.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED yana da ƙaramin kunshin SMD tare da girma kusan 1.6mm a tsayi, 0.8mm a faɗi, da 0.6mm a tsayi (tolerance ±0.1mm sai dai idan an faɗi). An ba da cikakken zanen girma a cikin takardun bayani, gami da shawarwarin shimfidar kafet don ƙirar PCB don tabbatar da ingantaccen gyarawa da sarrafa zafi.

5.2 Gano Polarity

An yiwa cathode alama a sarari akan kunshin. Daidaitaccen alkiblar polarity yayin haɗawa yana da mahimmanci don na'urar yin aiki. Dole ne ƙirar ƙafar PCB ta yi daidai da wannan alamar don hana shigar da baya.

6. Jagororin Gyarawa da Haɗawa

Daidaitaccen sarrafawa da gyarawa suna da mahimmanci don kiyaye aikin LED da aminci.

6.1 Ajiya da Hancin Danshi

An kunna abubuwan a cikin jakar da ba ta shiga danshi tare da desiccant. Kada a buɗe jakar har sai an shirya LEDs don amfani. Bayan buɗewa, LEDs da ba a yi amfani da su ba yakamata a adana su a ≤30°C da ≤60% danshin yanayi kuma a yi amfani da su cikin sa'o'i 168 (kwanaki 7). Idan wannan taga ya wuce ko desiccant ya nuna shan danshi, ana buƙatar maganin gasa a 60±5°C na tsawon awanni 24 kafin amfani.

6.2 Bayanin Yanayin Gyarawa ta Hanyar Reflow

LED ya dace da hanyoyin reflow na infrared da tururi. Don gyarawa mara gubar, dole ne a bi takamaiman bayanin yanayin zafi: dumama kafin a tsakanin 150-200°C na dakika 60-120, lokacin da ya wuce 217°C (liquidus) na dakika 60-150, tare da matsakaicin zafin jiki bai wuce 260°C ba na matsakaicin dakika 10. Matsakaicin ƙimar haɓaka yakamata ya zama 6°C/sec, kuma matsakaicin ƙimar saukowa 3°C/sec. Kada a yi gyarawa ta hanyar reflow fiye da sau biyu.

6.3 Gyarawar Hannu da Gyara

Idan gyarawar hannu ya zama dole, dole ne zafin ƙarshen guntun ƙarfe ya kasance ƙasa da 350°C, ana amfani da shi ba fiye da dakika 3 ba kowace tasha. Guntun ƙarfe yakamata ya kasance ƙasa da 25W. Yakamata a kiyaye tazarar sanyaya aƙalla dakika 2 tsakanin gyarawa kowace tasha. Ba a ba da shawarar gyara bayan gyarawa ta farko ba. Idan ba za a iya kaucewa ba, dole ne a yi amfani da takamaiman guntun ƙarfe mai kai biyu don dumama tashoshi biyu lokaci guda kuma a guji matsin lamba na injiniya akan guntu na LED.

7. Bayanin Kunshin da Oda

Ana ba da LEDs a cikin kunshin da ba ya shiga danshi. An loda su cikin tef ɗin mai ɗaukar kaya tare da ƙayyadaddun girma don sarrafa kai. Kowane reel yana ɗauke da guda 3000. Alamar kunshin ta haɗa da mahimman bayanai don gano asali da zaɓi: Lambar Samfur (P/N), yawa (QTY), da takamaiman lambobin kwandon ayyuka don ƙarfin haske (CAT), tsawon tsinkaya mai rinjaye (HUE), da ƙarfin wutar lantarki na gaba (REF).

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da aikace-aikacen hasken baya a cikin dashboard na mota da maɓalli, nuni da hasken baya a cikin na'urorin sadarwa kamar wayoyi da na'urorin faks, hasken baya mai lebur don LCDs, da nuni na yanayi na gabaɗaya.

8.2 Abubuwan Tunani na Zane

Iyakance Halin Yanzu:Resistan mai iyakance halin yanzu na waje wajibi ne. Halayen I-V na LED na nufin ƙaramin haɓakar ƙarfin wutar lantarki na iya haifar da babban haɓakar halin yanzu, mai yuwuwar lalacewa. Dole ne a ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki da kwandon ayyuka na ƙarfin wutar lantarki na gaba na LED.
Gudanar da Zafi:Duk da yake raguwar wutar lantarki yana da ƙasa, tabbatar da isasshen yanki na tagulla na PCB don kafet yana taimakawa wajen watsar da zafi, musamman a cikin yanayin yanayi mai zafi ko lokacin da ake tuƙa a mafi girma halin yanzu.
Matsin Allo:A guji lanƙwasa ko karkatar da PCB yayin ko bayan gyarawa, saboda hakan na iya haifar da tsagewar matsin lamba a cikin kunshin LED.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da manyan nau'ikan LED na gubar-frame, wannan bambance-bambancen SMD yana ba da tanadin sarari mai mahimmanci, mafi girman yawan wurin sanyawa, da dacewa da cikakkun layukan haɗawa ta atomatik, yana rage farashin samarwa. Amfani da fasahar AlGaInP yana ba da inganci mai girma da launin yellow-green mai cikakken cikawa. Daidaitawarsa tare da ƙaƙƙarfan ƙa'idodin muhalli (RoHS, REACH, Marasa Halogen) ya sa ya zama zaɓi mai kariya don ƙirar lantarki na zamani da ke niyyar kasuwanni na duniya.

10. Tambayoyin da ake yawan yi (FAQs)

Q: Zan iya tuƙa wannan LED ba tare da resistor na jerin ba?
A: A'a. Takardun bayani a sarari ya yi gargaɗi cewa dole ne a yi amfani da resistor na kariya. Yin amfani da LED kai tsaye daga tushen wutar lantarki zai haifar da kwararar halin yanzu mara sarrafawa da gazawar sauri.
Q: Me zai faru idan na wuce rayuwar bene na kwanaki 7 bayan buɗe jakar kariya daga danshi?
A: LEDs na iya shan danshi daga yanayi. Gyarawa ba tare da gasa da ya dace ba zai iya haifar da "popcorning" ko rabuwa na ciki saboda haɓakar tururi mai sauri yayin reflow, wanda ke haifar da gazawa. Bi tsarin gasa da aka tsara.
Q: Ta yaya zan fassara lambobin kwandon ayyuka akan alamar?
A: Lambobin CAT, HUE, da REF sun yi daidai da ƙarfin haske, tsawon tsinkaya mai rinjaye, da kwandon ayyuka na ƙarfin wutar lantarki na gaba da aka yi dalla-dalla a sashe na 3.1, 3.2, da 3.3. Zaɓin kwandon ayyuka masu daidaito shine mabuɗin don daidaiton aiki a cikin jeri.

11. Misalan Zane da Amfani na Aiki

Misali 1: Hasken Baya na Maɓalli na Dashboard:Mai zane yana buƙatar alamomi 10 na yellow-green iri ɗaya. Yakamata su ƙayyade LEDs daga kwandon ayyuka na ƙarfin haske iri ɗaya (misali, duk P1) da kwandon ayyuka na tsawon tsinkaya mai rinjaye iri ɗaya (misali, duk CC3) don tabbatar da daidaiton haske da launi. Za a iya ƙididdige resistor ɗaya mai iyakance halin yanzu ta amfani da matsakaicin ƙarfin wutar lantarki na gaba daga kwandon ayyuka 2 (2.35V) don tabbatar da aiki lafiya ga duk raka'o'in, ko da wasu suna da ƙananan Vf.
Misali 2: Panel na Yanayi mai Yawan Girma:Don panel tare da LEDs 50, yin amfani da kunshin SMD yana ba da damar tsari mai ƙanƙanta sosai. Dole ne mai zane ya tabbatar da ƙirar kafet na PCB ya yi daidai da shawarar takardun bayani don sauƙaƙe ingantaccen haɗin gyarawa yayin reflow. Yakamata a inganta ƙirar buɗaɗɗen stencil don hana gada gyarawa tsakanin kafet masu kusanci.

12. Ka'idar Aiki

Wannan LED diode ne na semiconductor wanda ya dogara da kayan Aluminum Gallium Indium Phosphide (AlGaInP). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce ƙarfin bandgap, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na semiconductor, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke ciki na yadudduka na AlGaInP yana ƙayyade tsawon tsinkaya na hasken da aka fitar, wanda a wannan yanayin yana cikin bakan yellow-green (~575nm). Ruwan tabarau na epoxy yana da tsabta don haɓaka fitar da haske da siffanta tsarin fitarwa zuwa kusurwar kallo na digiri 140.

13. Trends na Fasaha

Trend a cikin nuni da hasken baya na LED yana ci gaba zuwa ƙananan ƙira, ƙara inganci (lumens kowace watt), da mafi girman aminci. Kunshin SMD kamar 17-21 suna zama ma'auni saboda fa'idodin samarwa. Hakanan ana ƙara mai da hankali kan daidaitaccen rarrabawa da ƙaƙƙarfan tolerances don biyan buƙatun aikace-aikacen da ke buƙatar daidaiton launi da haske, kamar nunin launi cikakke da tarin hasken mota. Bugu da ƙari, tuƙi don lantarki mai dorewa na muhalli yana tabbatar da cewa kayan marasa halogen da masu bin RoHS sun kasance buƙatu na tushe ga duk sabbin abubuwan.