Bayanin Fasaha na LED SMD 17-21/G6C-AN1P1B/3T - Girman 1.6x0.8x0.6mm - Ƙarfin Wutar Lantarki 1.75-2.35V - Haske Mai Kyau na Kore-Rawa - Takardun Fasaha na Turanci

1. Bayyani Game da Samfurin

17-21/G6C-AN1P1B/3T LED ne mai haɗawa da saman da aka tsara don aikace-aikace masu yawa da ƙanƙanta. Girman sa mai ƙanƙanta yana ba da damar rage girman allon da kuma ƙafar kayan aiki idan aka kwatanta da naɓewa na gargajiya. Na'urar nau'in launi ɗaya ce, tana fitar da haske mai kyau na kore-rawa, kuma an gina ta ta amfani da fasahar guntu AIGaInP tare da kullewar resin mai tsabta kamar ruwa.

Babban fa'idodi sun haɗa da dacewarsa da na'urorin sanya ta atomatik da daidaitattun hanyoyin ginin reflow na infrared ko tururi. Samfurin ya yi daidai da ƙa'idodin muhalli, ba shi da gubar, ya bi ka'idodin RoHS, ya bi ka'idodin EU REACH, kuma ba shi da halogen (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm). Yanayinsa mai sauƙi ya sa ya dace musamman don ƙirar da ke da ƙarancin sarari.

2. Zurfin Binciken Ma'aunin Fasaha

2.1 Matsakaicin Ma'auni na Cikakke

Ana ayyana iyakokin aiki na na'urar a ƙarƙashin daidaitaccen yanayin yanayi (Ta=25°C). Matsakaicin ƙarfin wutar lantarki na baya (VR) shine 5V. Matsakaicin ƙarfin wutar lantarki na gaba (IF) shine 25 mA, tare da matsakaicin ƙarfin wutar lantarki na gaba (IFP) na 60 mA wanda aka yarda a ƙarƙashin yanayin bugun jini (duty cycle 1/10 @ 1kHz). Matsakaicin ƙarfin wutar lantarki (Pd) shine 60 mW. Na'urar na iya jure watsawar lantarki (ESD) na 2000V bisa ga ƙirar Jikin Mutum (HBM). Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C ne, yayin da kewayon zafin ajiya (Tstg) daga -40°C zuwa +90°C ne. An ƙayyade iyakokin zafin gini don reflow (260°C na dakika 10 matsakaici) da ginin hannu (350°C na dakika 3 matsakaici).

2.2 Halayen Lantarki da Haske

An auna a Ta=25°C da ƙarfin wutar lantarki na gaba na 20mA, na'urar tana nuna ƙarfin haske (Iv) daga 28.5 mcd zuwa 57.0 mcd. Kusurwar kallo (2θ1/2) yawanci digiri 140 ne. Tsawon zango mai kololuwa (λp) yana kusa da 575 nm, tare da kewayon tsawon zango mai rinjaye (λd) daga 569.50 nm zuwa 577.50 nm. Faɗin bakan (Δλ) yawanci 20 nm ne. Ƙarfin wutar lantarki na gaba (VF) yana tsakanin 1.75V zuwa 2.35V. Ƙarfin wutar lantarki na baya (IR) matsakaicin 10 μA ne lokacin da aka yi amfani da ƙarfin wutar lantarki na baya na 5V. An lura da mahimman ƙimar ƙima: Ƙarfin Haske (±11%), Tsawon Zango Mai Rinjaye (±1nm), da Ƙarfin Wutar Lantarki na Gaba (±0.1V). Yana da mahimmanci a lura cewa ba a tsara na'urar don aiki na baya ba; ƙimar baya na 5V don gwajin IR ne kawai.

3. Bayanin Tsarin Rarrabawa

Ana rarraba samfurin zuwa kwandon shara bisa ga mahimman ma'auni na aiki don tabbatar da daidaito a cikin ƙirar aikace-aikace.

3.1 Rarrabawar Ƙarfin Haske

An ayyana lambobin kwandon shara guda uku don ƙarfin haske a IF=20mA: N1 (28.5-36.0 mcd), N2 (36.0-45.0 mcd), da P1 (45.0-57.0 mcd).

3.2 Rarrabawar Tsawon Zango Mai Rinjaye

An ayyana lambobin kwandon shara huɗu don tsawon zango mai rinjaye a IF=20mA: C16 (569.50-571.50 nm), C17 (571.50-573.50 nm), C18 (573.50-575.50 nm), da C19 (575.50-577.50 nm).

3.3 Rarrabawar Ƙarfin Wutar Lantarki na Gaba

An ayyana lambobin kwandon shara guda uku don ƙarfin wutar lantarki na gaba a IF=20mA: 0 (1.75-1.95 V), 1 (1.95-2.15 V), da 2 (2.15-2.35 V).

4. Binciken Lanƙwasa Ayyuka

Bayanin fasaha yana nuni zuwa daidaitattun lanƙwasa halayen lantarki da haske. Waɗannan lanƙwasa, duk da cewa ba a nuna su a cikin rubutun da aka bayar ba, suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba. Yawanci sun haɗa da alaƙa kamar Ƙarfin Haske vs. Ƙarfin Wutar Lantarki na Gaba, Ƙarfin Wutar Lantarki na Gaba vs. Ƙarfin Wutar Lantarki na Gaba, da Ƙarfin Haske vs. Yanayin Yanayi. Binciken waɗannan lanƙwasa yana ba masu zane damar yin hasashen aiki a ƙarƙashin ƙarfin wutar lantarki daban-daban da yanayin zafi, wanda ke da mahimmanci don tabbatar da dogon lokacin aminci da daidaitaccen fitar da haske a cikin aikace-aikacen ƙarshe.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin

Fakitin SMD yana da daidaitattun girma na 1.6mm a tsayi, 0.8mm a faɗi, da 0.6mm a tsayi (ƙimar ƙima ±0.1mm sai dai idan an ƙayyade). Zanen ya haɗa da alamar cathode don gano daidaitaccen polarity yayin haɗawa. Cikakkun bayanan girma suna da mahimmanci don ƙirar kushin PCB da kuma tabbatar da samuwar haɗin gini mai kyau.

5.2 Fakitin Reel da Kaset

Ana samar da abubuwan a cikin kaset na 8mm akan reels masu diamita 7-inch, waɗanda suka dace da na'urorin ɗauka da sanya ta atomatik. Kowace reel tana ƙunshe da guda 3000. An ba da cikakkun bayanan kaset mai ɗauka da girman reel don tabbatar da dacewa da tsarin ciyarwa. Fakitin yana da juriya ga danshi, yana amfani da busassun abu da jakunkunan hana danshi na aluminum don kare abubuwan yayin ajiya da wucewa.

6. Jagororin Gini da Haɗawa

6.1 Ajiya da Gudanarwa

LEDs suna da hankali ga danshi. Ba za a buɗe jakar hana danshi ba sai an shirya samfuran don amfani. Kafin buɗewa, ajiye a ≤30°C da ≤90% RH. Bayan buɗewa, dole ne a yi amfani da abubuwan cikin sa'o'i 168 (kwanaki 7). Abubuwan da ba a yi amfani da su ba yakamata a sake rufe su a cikin fakitin hana danshi. Idan an wuce ƙayyadadden lokacin ajiya ko kuma busassun abu ya nuna ɗaukar danshi, ana buƙatar maganin gasa a 60±5°C na awanni 24 kafin amfani.

6.2 Bayanin Yanayin Ginin Reflow

An ƙayyade bayanin reflow mara gubar: Dumama tsakanin 150-200°C na dakika 60-120. Lokacin da ya wuce 217°C (liquidus) yakamata ya zama dakika 60-150. Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin a ko sama da 255°C bai kamata ya wuce dakika 30 ba. Matsakaicin ƙimar haɓaka shine 6°C/sec, kuma matsakaicin ƙimar saukowa shine 3°C/sec. Ba za a yi ginin reflow fiye da sau biyu ba.

6.3 Ginin Hannu da Gyara

Don ginin hannu, yi amfani da ƙarfe mai gini tare da zafin ƙarshe a ƙasa da 350°C, ana amfani da shi ba fiye da dakika 3 a kowace tasha ba. Ƙarfin ƙarfe yakamata ya zama ƙasa da 25W. A bar tazarar aƙalla dakika 2 tsakanin ginin kowace tasha. Ba a ƙarfafa gyara bayan ginin farko ba. Idan ba za a iya kaucewa ba, yakamata a yi amfani da ƙarfe mai gini mai kai biyu don dumama tashoshi biyu lokaci guda kuma a guji matsin injiniya. Yuwuwar lalacewa yayin ginin hannu ko gyara yana da yawa.

7. Bayanin Fakitin da Oda

Lambar da ke kan reel tana ba da mahimman bayanai: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfurin (P/N), Adadin Tattarawa (QTY), Matsayin Ƙarfin Haske (CAT), Matsayin Launi/Tsawon Zango Mai Rinjaye (HUE), Matsayin Ƙarfin Wutar Lantarki na Gaba (REF), da Lambar Lot (LOT No). Wannan bayanin rarrabawa akan lakabin yana ba masu zane damar zaɓar da kuma bin diddigin abubuwan tare da takamaiman halayen aiki don aikace-aikacensu.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikacen wannan LED sun haɗa da hasken baya na allunan kayan aiki da maɓalli, alamomin yanayi da hasken baya a cikin na'urorin sadarwa (wayoyi, na'urorin faks), hasken baya mai lebur don LCDs, hasken maɓalli da alama, da amfani na alamar gabaɗaya.

8.2 Abubuwan da Ake La'akari da su a Zane

Ƙuntatawa na Halin Yanzu:Resistan mai iyakancewa na waje wajibi ne. Halayen I-V na LED na nuna cewa ƙaramin canjin ƙarfin wutar lantarki zai iya haifar da babban haɓakar halin yanzu, wanda zai haifar da gazawa nan take. Dole ne a ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki da kwandon shara na ƙarfin wutar lantarki na gaba na LED.
Gudanar da Zafin Jiki:Duk da cewa fakitin yana da ƙanƙanta, tabbatar da isassun yanki na tagulla na PCB don zubar da zafi yana da mahimmanci, musamman lokacin aiki kusa da matsakaicin halin yanzu ko a manyan yanayin yanayi, don kiyaye fitar da haske da tsawon rai.
Matsi na Sanya:A guji amfani da matsin injiniya ga abin yayin aikin gini ko lokacin sarrafa allon da aka haɗa.

9. Kwatancen Fasaha da Bambanci

Idan aka kwatanta da manyan LED na ta hanyar rami, fakitin SMD 17-21 yana ba da raguwa sosai a ƙafar ƙafa da nauyi, yana ba da damar ƙananan na'urorin lantarki na zamani. Amfani da fasahar AIGaInP yana ba da ingantaccen fitar da haske mai kyau na kore-rawa. Daidaitawarsa tare da maras halogen da sauran ƙa'idodin muhalli ya sa ya dace da samfuran da ke niyyar kasuwanni na duniya tare da ƙa'idodi masu tsauri. Tsarin rarrabawa da aka ayyana yana ba da matakin daidaiton aiki mai mahimmanci don aikace-aikacen da ke buƙatar kamanni na gani iri ɗaya, kamar jerin hasken baya.

10. Tambayoyin da Ake Yawan Yi (Dangane da Ma'aunin Fasaha)

Q: Zan iya tuka wannan LED ba tare da resistor na jerin ba?
A: A'a. Bayanin fasaha ya faɗi a sarari cewa "ƙaramin canjin ƙarfin wutar lantarki zai haifar da babban canjin halin yanzu (Konewa zai faru)." Resistan mai iyakancewa na waje yana da mahimmanci don aiki mai dogaro.

Q: Menene bambanci tsakanin tsawon zango mai kololuwa da tsawon zango mai rinjaye?
A: Tsawon zango mai kololuwa (λp) shine tsawon zango inda rarraba ƙarfin bakan ya fi girma (575 nm typ.). Tsawon zango mai rinjaye (λd) shine tsawon zango guda ɗaya na hasken launi ɗaya wanda ya dace da launin da ake gani na LED (569.5-577.5 nm). Tsawon zango mai rinjaye ya fi dacewa don ƙayyadaddun launi.

Q: Sau nawa zan iya sake ginin reflow wannan abu?
A: Bayanin fasaha ya bayyana cewa bai kamata a yi ginin reflow fiye da sau biyu ba. Wuce wannan zai iya lalata haɗin guntu na ciki ko haɗin waya saboda maimaita matsin zafi.

Q: Me yasa akwai ƙayyadadden iyaka na kwanaki 7 bayan buɗe jakar hana danshi?
A: Fakitin SMD na iya ɗaukar danshi daga yanayi. Yayin ginin reflow, wannan danshin da aka kama zai iya faɗaɗa cikin sauri, yana haifar da rabuwa na ciki ko "gyaɗa," wanda ke fashe fakitin kuma yana haifar da gazawa. Rayuwar bene na kwanaki 7 shine lokacin bayyanar da aminci don ƙayyadadden matakin hankali ga danshi.

11. Misalin Amfani na Aiki

Yanayi: Zanen allon nuna yanayi mai ƙarancin wutar lantarki.Mai zane yana buƙatar alamomi masu yawa iri ɗaya na kore-rawa akan ƙaramin allon sarrafawa. Sun zaɓi LED 17-21 saboda ƙananan girman sa. Ta hanyar ƙayyade kwandon shara P1 don ƙarfin haske da C18 don tsawon zango mai rinjaye, suna tabbatar da cewa duk alamomin suna da haske da launi iri ɗaya. Suna zane kushin PCB bisa ga zanen fakitin, suna ƙara resistors masu iyakancewa na 100-ohm (an ƙididdige su don samar da wutar lantarki 5V da VF kwandon shara 1), kuma suna bin bayanin reflow daidai. Ana ajiye LEDs a cikin akwati mai bushewa har ranar haɗawa, ana amfani da su cikin rayuwar bene, wanda ya haifar da allon nuna mai dogaro, mai daidaitaccen gani.

12. Gabatarwar Ka'ida

Wannan LED ya dogara ne akan guntu na'urar semiconductor Aluminum Gallium Indium Phosphide (AIGaInP). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba, 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 cikin gami na AIGaInP yana ƙayyade ƙarfin bandgap, wanda kuma ya ayyana tsawon zango (launi) na hasken da aka fitar—a wannan yanayin, Haske Mai Kyau na Kore-Rawa. Kullewar resin mai tsabta kamar ruwa tana rage ɗaukar haske kuma tana ba da damar kusurwar kallo mai faɗi.

13. Trends na Ci Gaba

Trend a cikin LED na nuni da hasken baya yana ci gaba zuwa mafi inganci (ƙarin fitar da haske a kowace naúrar wutar lantarki), ƙananan girman fakitin don ƙara yawan ƙira, da ingantaccen daidaiton launi ta hanyar ƙaramin rarrabawa. Hakanan akwai mai da hankali sosai kan haɓaka dogaro a ƙarƙashin yanayin zafi mafi girma da daidaita dacewa tare da ci-gaba, saurin hanyoyin haɗawa ta atomatik. Daidaitawar muhalli ya kasance mai motsa tushe, yana tura kayan da suka wuce ƙa'idodin RoHS da maras halogen na yanzu.

14. Ƙuntatawa na Aikace-aikace

An yi nufin wannan samfurin don aikace-aikacen kasuwanci da masana'antu na gabaɗaya. Ba a tsara shi ko kuma ya cancanta don aikace-aikacen dogaro mai girma inda gazawar zai iya haifar da rauni na mutum, babban lalacewar dukiya, ko babban cutarwa ga al'umma. Wannan a sarari ya haɗa da, amma bai iyakance ga, tsarin soja/jirgin sama, tsarin aminci/tsaro na mota (misali, sarrafa jakar iska, tsarin birki), da kayan aikin likita masu tallafawa rayuwa. Don irin waɗannan aikace-aikace, ana buƙatar abubuwan da ke da ƙayyadaddun bayanai daban-daban, cancanta, da tabbacin dogaro. Tabbacin ayyuka a cikin wannan bayanin fasaha suna aiki ne kawai lokacin da aka yi amfani da samfurin a cikin ƙayyadaddun matsakaicin ma'auni na cikakke da yanayin aiki.