Bayanin Fasaha na LED SMD 19-217 Mai Haske Mai Kyau - Girman Kunshin - Ƙarfin Wutar Gaba 1.7-2.2V - Ƙarfin Haske 18-36mcd - Takardun Fasaha na Hausa

1. Bayanin Samfur

19-217 LED ne mai haɗawa da saman (SMD) wanda aka tsara don ƙananan tarin na'urorin lantarki. Yana amfani da fasahar guntu AlGaInP don samar da haske mai kyau mai launin rawaya. Babban fa'idodinsa sun haɗa da ƙarancin sarari idan aka kwatanta da LED na gubar, wanda ke ba da damar ƙirar PCB mafi ƙanƙanta da yawan tattarawa. Ginin sa mai sauƙi ya sa ya dace da aikace-aikace masu ƙanƙanta da na hannu. Wannan kayan ya bi ka'idojin RoHS, REACH, da maras halogen, wanda ya sa ya dace da masana'antar lantarki na zamani.

1.1 Siffofi na Cibiyar da Kasuwar Manufa

Ana ba da LED akan tef mai 8mm akan reel mai diamita 7-inch, wanda ya dace da na'urorin sarrafawa ta atomatik. An tsara shi don amfani da hanyoyin haɗa reflow na infrared da tururi. A matsayin nau'in launi ɗaya, an inganta shi don aikace-aikace masu buƙatar madaidaicin alamar rawaya mai haske ko hasken baya. Manyan kasuwannin sa sun haɗa da na'urorin lantarki na masu amfani, kayan aikin sadarwa (don alamomi da hasken maɓalli), hasken dashboard na mota da kunnawa, da kuma hasken baya na gabaɗaya don LCDs da alamomi.

2. Zurfin Binciken Ma'auni na Fasaha

2.1 Iyakar Ƙididdiga na Cikakke

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Matsakaicin ƙarfin wutar baya (VR) shine 5V. Ci gaba da halin yanzu na gaba (IF) bai kamata ya wuce 25mA ba, tare da kololuwar halin yanzu na gaba (IFP) na 60mA da aka yarda a ƙarƙashin yanayin bugun jini (1/10 aikin aiki a 1kHz). Matsakaicin raguwar wutar lantarki (Pd) shine 60mW. Na'urar na iya jure fitar da tashin hankali (ESD) na 2000V (Samfurin Jikin Mutum). Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C ne, kuma zafin ajiya (Tstg) ya kasance daga -40°C zuwa +90°C. An ƙayyade iyakokin zafin haɗawa don duka reflow (260°C matsakaici don dakika 10) da haɗa hannu (350°C matsakaici don dakika 3).

2.2 Halayen Lantarki da Na Gani

An auna a daidai gwargwadon gwajin halin yanzu na 5mA da zafin yanayi na 25°C, an ayyana ma'auni masu mahimmanci. Ƙarfin haske (Iv) yana da kewayon al'ada daga 18.0 mcd zuwa 36.0 mcd. Na'urar tana da faɗin kusurwar kallo (2θ1/2) na digiri 120. Tsayin tsayin tsayi (λp) yawanci 591 nm ne, tare da tsayin tsayi (λd) da aka ƙayyade tsakanin 585.5 nm da 594.5 nm. Faɗin bakan (Δλ) kusan 15 nm ne. Ƙarfin wutar gaba (VF) ya kasance daga 1.7V zuwa 2.2V. An tabbatar da halin yanzu na baya (IR) ya kasance ƙasa da 10 μA a matsakaicin ƙarfin wutar baya na 5V. An lura da mahimman ƙididdiga: ƙarfin haske (±11%), tsayin tsayi (±1 nm), da ƙarfin wutar gaba (±0.05V).

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa kwandon asusun ma'auni masu mahimmanci. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatun aikace-aikace don haske da launi.

3.1 Rarrabawar Ƙarfin Haske

Ana rarraba LED zuwa kwandon asusun guda uku (M1, M2, N1) dangane da ƙarfin hasken da aka auna a 5mA. Kwandon M1 ya ƙunshi 18.0-22.5 mcd, M2 ya ƙunshi 22.5-28.5 mcd, kuma N1 ya ƙunshi 28.5-36.0 mcd.

3.2 Rarrabawar Tsayin Tsayi Mai Rinjaye

Ana sarrafa daidaiton launi ta hanyar kwandon asusun tsayin tsayi D3 (585.5-588.5 nm), D4 (588.5-591.5 nm), da D5 (591.5-594.5 nm).

3.3 Rarrabawar Ƙarfin Wutar Gaba

Ana rarraba ƙarfin wutar gaba cikin matakai na 0.1V daga 1.7V zuwa 2.2V, tare da kwandon asusun da aka yiwa lakabi daga 19 zuwa 23 (misali, Kwandon 19: 1.7-1.8V, Kwandon 20: 1.8-1.9V, da sauransu). Wannan yana taimakawa wajen ƙirar da'irori masu daidaitaccen tuƙi na yanzu.

4. Binciken Lanƙwasa Aiki

Bayanin fasaha yana nuni ne ga lanƙwasa halayen lantarki da na gani na al'ada. Duk da yake ba a nuna su a cikin rubutun da aka bayar, waɗannan lanƙwasa yawanci suna kwatanta alaƙa tsakanin halin yanzu na gaba da ƙarfin haske, tasirin zafin yanayi akan fitar da haske, da rarraba ƙarfin bakan. Binciken waɗannan lanƙwasa yana da mahimmanci don fahimtar aiki a ƙarƙashin yanayin da ba na daidaitaccen ba, kamar tuƙi LED a halin yanzu ban da 5mA ko aiki a cikin yanayin zafi mai girma. Masu ƙira ya kamata su tuntubi cikakken bayanin fasaha na hoto don wannan cikakken bincike.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

LED 19-217 yana da ƙaramin ƙafar SMD. Cikakken zanen mai girma ya ƙayyade tsayi, faɗi, tsayi, girman kushin, da matsayinsu na dangi. Duk ƙididdiga da ba a ƙayyade ba suna ±0.1 mm. Daidaitaccen bin waɗannan girmansu yana da mahimmanci don ƙirar ƙirar ƙasa ta PCB don tabbatar da ingantaccen haɗawa da daidaitawa.

5.2 Gano Polarity

Alamar abu da/ko siffar kunshi yawanci tana nuna tashar cathode (maras kyau). Dole ne a lura da daidaitaccen polarity yayin haɗawa don hana gazawar na'urar.

6. Jagororin Haɗawa da Haɗawa

6.1 Bayanin Haɗa Reflow

Ana ba da shawarar bayanin reflow maras gubar. Manyan matakai sun haɗa da: dumama kafin tsakanin 150-200°C na dakika 60-120; lokacin da ya wuce ruwa (217°C) na dakika 60-150; matsakaicin zafin jiki bai wuce 260°C ba, wanda aka riƙe na iyakar dakika 10; da ƙididdigar ƙimar sanyaya. Matsakaicin ƙimar dumama ya kamata ya zama 6°C/sec, kuma lokacin da ya wuce 255°C bai kamata ya wuce dakika 30 ba. Ba za a yi reflow fiye da sau biyu ba.

6.2 Haɗa Hannu

Idan haɗa hannu ya zama dole, dole ne zafin ƙarshen ƙarfe ya kasance ƙasa da 350°C, kuma lokacin tuntuɓar kowane tasha ya kamata a iyakance zuwa dakika 3 ko ƙasa da haka. Yi amfani da ƙarfe mai haɗawa tare da ƙarfin ƙasa da 25W. Bar tazarar sanyaya aƙalla dakika 2 tsakanin haɗa kowane tasha don hana lalacewar zafi.

6.3 Ajiya da Hancin Danshi

Ana tattara LED a cikin jakunkuna masu hana danshi tare da busasshiyar abu. Ba za a buɗe jakar ba har sai an shirya abubuwan don amfani. Bayan buɗewa, LED da ba a yi amfani da su ba ya kamata a adana su a ≤30°C da ≤60% danshi na dangi kuma a yi amfani da su cikin sa'o'i 168 (kwanaki 7). Idan lokacin ajiya ya wuce ko busasshiyar abu ta nuna ɗaukar danshi, ana buƙatar maganin gasa a 60±5°C na awanni 24 kafin amfani.

7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Reel da Tef

Ana ba da abubuwan akan tef mai ɗaukar kaya na 8mm da aka nannade akan reel mai diamita 7-inch. Kowane reel yana ƙunshe da guda 3000. An ba da cikakkun bayanai na reel da girman tef mai ɗaukar kaya, tare da daidaitattun ƙididdiga na ±0.1mm sai dai idan an ƙayyade wani abu.

7.2 Bayanin Lakabi

Lakabin reel yana ƙunshe da mahimman bayanai: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfur (P/N), Adadin Tattarawa (QTY), Matsayi na Ƙarfin Haske (CAT), Matsayi na Launi/Tsawon Tsayi (HUE), Matsayi na Ƙarfin Wutar Gaba (REF), da Lambar Lot (LOT No).

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

• Mota:Hasken baya don kayan aikin dashboard, maɓalli, da kuma kwamfutoci.
• Sadarwa:Alamomin matsayi da hasken maɓalli a cikin wayoyi da na'urorin faks.
• Kayan Lantarki na Masu Amfani:Hasken baya mai lebur don ƙananan nunin LCD, hasken maɓalli, da alamomin alama.
• Manufa Gabaɗaya:Duk wani aikace-aikace da ke buƙatar ƙaramin, amintaccen, haske mai haske mai launin rawaya.

8.2 Abubuwan Ƙira

Iyakar Halin Yanzu:Resistan mai iyakance halin yanzu na wajewajibi ne. Ƙarfin wutar gaba na LED yana da ƙimar zafin jiki mara kyau, ma'ana ƙaramin ƙaruwa a cikin ƙarfin lantarki na iya haifar da babban ƙaruwa a cikin halin yanzu, wanda zai iya lalacewa. Ya kamata a ƙididdige ƙimar resistor dangane da ƙarfin wutar lantarki, ƙarfin wutar gaba na LED (yi amfani da matsakaicin ƙimar daga kwandon ko bayanin fasaha don aminci), da halin yanzu na gaba da ake so (kada ya wuce 25mA ci gaba).



Gudanar da Zafi:Duk da yake raguwar wutar lantarki yana da ƙasa, tabbatar da isasshen yanki na tagulla na PCB a kusa da kushin zafi (idan akwai) da kuma guje wa sanya kusa da wasu abubuwan da ke haifar da zafi zai taimaka wajen kiyaye aikin LED da tsawon rai, musamman a manyan yanayin zafi.



Kariya ta ESD:Ko da yake an ƙididdige shi don 2000V HBM, ya kamata a bi matakan kariya na ESD na yau da kullun yayin haɗawa da sarrafawa.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambancin LED 19-217 ya ta'allaka ne a haɗin fasahar AlGaInP don hasken rawaya mai inganci, ƙaramin kunshin SMD don adana sarari, da kuma bin ka'idojin muhalli na zamani (RoHS, Maras Halogen). Idan aka kwatanta da tsofaffin LED na rawaya ta hanyar rami, yana ba da mafi girman saurin sanyawa, aminci, da sassauƙan ƙira. Faɗin kusurwar kallonsa na digiri 120 ya sa ya dace da aikace-aikace inda ake buƙatar ganin haske daga faɗin ra'ayoyi.

10. Tambayoyin da ake yawan yi (FAQs)

Q: Shin zan iya tuƙi wannan LED ba tare da resistor na jerin ba?

A:No.Bayanin fasaha ya faɗi a sarari cewa ƙaramin canjin ƙarfin lantarki na iya haifar da babban canjin halin yanzu, wanda zai haifar da ƙonewa. Resistor mai iyakance halin yanzu yana da mahimmanci don aiki mai aminci.



Q: Menene bambanci tsakanin tsayin tsayi da tsayin tsayi mai rinjaye?

A: Tsayin tsayi (λp) shine tsayin tsayi guda ɗaya inda fitarwar bakan ta fi girma. Tsayin tsayi mai rinjaye (λd) shine tsayin tsayi guda ɗaya na hasken launi ɗaya wanda zai samar da launi ɗaya da aka gani. λd ya fi dacewa don ƙayyadaddun launi a cikin aikace-aikacen haske.



Q: Ta yaya zan fassara lambobin kwandon akan lakabin?

A: Lambar CAT ta dace da kwandon ƙarfin haske (M1, M2, N1). Lambar HUE ta dace da kwandon tsayin tsayi mai rinjaye (D3, D4, D5). Lambar REF ta dace da kwandon ƙarfin wutar gaba (19-23). Daidaita waɗannan lambobin yana ba da damar daidaitaccen aiki a cikin raka'a da yawa a cikin aikin samarwa.



Q: Me yasa akwai ƙaƙƙarfan taga amfani na kwanaki 7 bayan buɗe jakar hana danshi?

A> Abubuwan SMD na iya ɗaukar danshi daga yanayi. Yayin haɗa reflow, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da rabuwa na ciki ko "popcorning," wanda ke lalata na'urar. Taga na kwanaki 7 yana ɗaukar daidaitattun yanayin bene na masana'anta.

11. Ƙirar Aiki da Yanayin Amfani

Harka: Ƙirar Panel Alamar Matsayi

Mai ƙira yana ƙirƙirar ƙaramin kwamfutar hannu tare da alamomin matsayi na rawaya da yawa. Sun zaɓi LED 19-217 saboda ƙananan girmansa da launi mai haske. Ta amfani da matsakaicin ƙarfin wutar gaba (2.2V) daga bayanin fasaha da manufar halin yanzu na 20mA (a cikin iyakar 25mA) tare da samar da wutar lantarki 5V, sun ƙididdige resistor na jerin: R = (Vsupply - Vf) / If = (5V - 2.2V) / 0.020A = 140 Ohms. An zaɓi resistor na al'ada na 150 Ohm. An ƙirƙira ƙirar ƙasa ta PCB daidai da zanen girman kunshi. Yayin haɗawa, an kiyaye reels ɗin a rufe har sai an ɗora su cikin na'urar zaɓi da sanyawa. An yi amfani da bayanin reflow da aka ƙayyade. Bayan haɗawa, panel ɗin yana ba da alamomi masu haske, daidaitattun rawaya tare da faɗin kusurwar kallo don masu aiki.

12. Gabatarwar Ka'idar Aiki

LED 19-217 tushen haske ne mai ƙarfi wanda ya dogara da guntu na semiconductor da aka yi daga Aluminum Gallium Indium Phosphide (AlGaInP). Lokacin da aka yi amfani da ƙarfin wutar gaba a kan haɗin P-N, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa. Wannan tsarin sake haɗawa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlGaInP yana ƙayyade ƙarfin bandgap, wanda kuma ya ayyana tsayin tsayi (launi) na hasken da aka fitar—a wannan yanayin, rawaya mai haske (~591 nm). Mai ɗaukar resin epoxy yana aiki don kare guntu, siffanta fitar da haske (cimma kusurwar kallo na digiri 120), da kuma samar da kwanciyar hankali na injiniya.

13. Trends na Fasaha da Ci Gaba

Trend a cikin LED na SMD kamar 19-217 yana ci gaba zuwa mafi inganci (fiye da lumens ko millicandelas kowace watt), ingantacciyar daidaiton launi ta hanyar ƙaramin rarrabawa, har ma da ƙananan girman kunshi don ba da damar ƙarin ƙananan samfuran ƙarshe. Hakanan akwai mai da hankali sosai kan haɓaka aminci da tsawon rai a ƙarƙashin mafi girman matsin lamba na muhalli, gami da aikin zafi mai girma don aikace-aikacen mota. Tuƙin dorewa yana tura cikakken bin umarnin muhalli masu tasowa da ragewa ko kawar da kayan da ba kasafai ba inda zai yiwu. Fasahar AlGaInP ta asali ta kasance zaɓi mai girma kuma mai aminci don samar da ingantaccen haske ja, orange, da rawaya.