Bayanin Fasaha na LTST-S43FBEGW SMD LED - Girman 4.0x3.0x0.4mm - Ƙarfin Lantarki 1.7-3.1V - Ƙarfin Wutar Lantarki 30-35mW - LED Mai Cikakken Launi RGB - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTST-S43FBEGW ƙaramin LED ne na SMD wanda ke kallon gefe wanda aka ƙera don aikace-aikacen da ke buƙatar nuni mai cikakken launi ko hasken baya a cikin ƙaramin sarari. Wannan kayan yana haɗa guntu guda uku daban-daban na semiconductor a cikin fakitin mai kauri 0.4mm: guntu InGaN don hasken shuɗi, guntu AlInGaP don hasken ja, da guntu InGaN na biyu don hasken kore. Haɗin waɗannan launuka na farko (RGB) yana ba da damar ƙirƙirar yalwar launuka ta hanyar sarrafa kowane ko haɗaɗɗe. Ruwan tabarau mai farar fata yana tabbatar da rarraba haske iri ɗaya, yana mai da shi dacewa don alamomin yanayi da hasken baya inda ake son haske mai daidaito, mai faɗin kusurwa.

Babban fa'idodinsa sun haɗa da bin ka'idojin RoHS, dacewa da tsarin haɗawa na atomatik, da dacewa da daidaitattun hanyoyin solder na IR reflow. Manyan kasuwannin da ake nufi su ne na'urorin lantarki na mabukaci, kayan aikin sadarwa, na'urori masu sarrafa ofis, na'urorin gida, da kuma allunan sarrafa masana'antu inda amintaccen nuni mai launuka da yawa a cikin ƙaramin ƙafa yake da mahimmanci.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Hatsari).
• Zanen ƙirar ƙira mai ƙarancin ƙira tare da kauri kawai 0.4mm.
• Siffar kallon gefe tare da ruwan tabarau mai farar fata.
• Ya ƙunshi ingantattun guntu na semiconductor na InGaN (Shuɗi/Kore) da AlInGaP (Ja).
• Ƙarshen yana da siffar tin plating don inganta solderability.
• An yi marufi a cikin kaset 8mm akan reels diamita 7-inch don haɗawa ta atomatik.
• Ya dace da daidaitattun fakitin EIA (Ƙungiyar Masana'antu na Lantarki).
• An ƙera shi don amfani da kayan aikin sanyawa ta atomatik.
• Ya dace da hanyoyin solder na IR reflow.

1.2 Aikace-aikace

• Hasken baya don maɓallan maɓalli da maɓallan maɓalli a cikin na'urorin hannu da kwamfutoci.
• Alamomin yanayi da wutar lantarki masu launuka da yawa a cikin kayan aikin sadarwa da na'urorin gida.
• Haskakawa don ƙananan nuni da fitattun fitilu.
• Fitilun nuni na gabaɗaya a cikin kayan aikin sadarwa da na'urorin masana'antu.

2. Ma'auni na Fasaha: Cikakken Bayani Mai Ma'ana

Wannan sashe yana ba da cikakken bincike mai ma'ana game da mahimman halayen aikin LED kamar yadda aka ayyana a cikin takardar bayanai. Duk ƙimar an ƙayyade a yanayin zafin jiki (Ta) na 25°C sai dai idan an lura da haka.

2.1 Matsakaicin Matsakaicin Ƙimar Ƙarfafawa

Matsakaicin Matsakaicin Ƙimar Ƙarfafawa yana ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Waɗannan ba sharuɗɗan aiki na yau da kullun ba ne.

• Rushewar Wutar Lantarki (Pd):35 mW don guntu Shuɗi da Kore; 30 mW don guntu Jan. Wannan ma'auni yana iyakance jimillar wutar lantarki da za a iya canza zuwa zafi a cikin fakitin LED.
• Matsakaicin Halin Yanzu na Gaba (I_F(PEAK)):50 mA don Shuɗi/Kore, 40 mA don Ja. Wannan shine matsakaicin halin yanzu na lokaci-lokaci da aka yarda a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Wuce wannan zai iya haifar da gazawa mai ban tsoro.
• DC Halin Yanzu na Gaba (I_F):10 mA don Shuɗi/Kore, 20 mA don Ja. Wannan shine matsakaicin ci gaba da halin yanzu na gaba da aka ba da shawarar don dogon lokacin aiki mai aminci.
• Yanayin Aiki & Ajiya:An ƙididdige na'urar don kewayon aiki na yanayi daga -20°C zuwa +80°C. Yanayin zafin ajiya ya fi girma, daga -30°C zuwa +100°C.
• Yanayin Solder na Infrared:Fakitin zai iya jure zafin kololuwa na 260°C na matsakaicin dakika 10 yayin solder reflow.

2.2 Halayen Lantarki da Na'urar Gani

Waɗannan ma'auni suna ayyana aikin yau da kullun na LED a ƙarƙashin yanayin aiki na yau da kullun (I_F= 5mA).

• Ƙarfin Haske (I_V):An auna shi a cikin millicandelas (mcd). Matsakaicin ƙima da matsakaicin ƙima sun bambanta da launi: Shuɗi (11.2-45.0 mcd), Ja (11.2-45.0 mcd), Kore (45.0-180.0 mcd). Guntu kore yana nuna fitarwa sosai mafi girma don irin wannan halin yanzu na tuƙi.
• Kusurwar Dubawa (2θ_1/2):Matsakaicin ƙimar digiri 130, yana nuna tsarin fitarwa mai faɗi sosai na LED masu kallon gefe tare da ruwan tabarau masu watsewa.
• Tsawon Tsawon Tsawon (λ_P):Tsawon tsawon tsawon da fitarwar ƙarfin gani ya fi girma. Matsakaicin ƙima sune 468 nm (Shuɗi), 631 nm (Ja), da 518 nm (Kore).
• Matsakaicin Tsawon Tsawon (λ_d):Tsawon tsawon tsawon guda ɗaya da idon ɗan adam ya fahimta wanda ke ayyana launin. Yankuna sune: Shuɗi (465-475 nm), Ja (619-629 nm), Kore (525-540 nm).
• Rabin Faɗin Layin Gani (Δλ):Faɗin band na hasken da aka fitar a rabin matsakaicin ƙarfinsa. Matsakaicin ƙima sune 25 nm (Shuɗi), 17 nm (Ja), da 35 nm (Kore). Ƙaramin rabin faɗi yana nuna launi mafi tsafta ta gani.
• Ƙarfin Lantarki na Gaba (V_F):Ragewar ƙarfin lantarki a kan LED lokacin da aka tuƙa shi da 5mA. Yankuna sune: Shuɗi (2.60-3.10V), Ja (1.70-2.30V), Kore (2.60-3.10V). Guntu jan yawanci yana da ƙarancin ƙarfin lantarki na gaba saboda bambancin kayan semiconductor daban (AlInGaP vs. InGaN).
• Halin Yanzu na Baya (I_R):Matsakaicin 10 µA ga duk launuka lokacin da aka yi amfani da bambance-bambancen baya na 5V. Takardar bayanai a sarari ta yi gargadin cewa ba a ƙera na'urar don aikin baya ba; wannan gwajin don dalilai na bayanai/inganci kawai ne.

3. Bayanin Tsarin Rarrabuwa

An rarraba ƙarfin haske na LED zuwa kwandon don tabbatar da daidaito a cikin rukunin samarwa. Lambar kwandon tana ayyana iyaka da matsakaicin kewayon ƙarfi.

3.1 Rarrabuwar Ƙarfin Haske

Kowane launi yana da nasa saitin lambobin kwandon tare da jurewar +/-15% a cikin kowane kwandon.

• Kwandon Ƙarfin Shuɗi & Ja:
  • Lambar Kwandon L: 11.2 mcd (Ƙarami) zuwa 18.0 mcd (Mafi girma)
  • Lambar Kwandon M: 18.0 mcd zuwa 28.0 mcd
  • Lambar Kwandon N: 28.0 mcd zuwa 45.0 mcd
• Kwandon Ƙarfin Kore:
  • Lambar Kwandon P: 45.0 mcd zuwa 71.0 mcd
  • Lambar Kwandon Q: 71.0 mcd zuwa 112.0 mcd
  • Lambar Kwandon R: 112.0 mcd zuwa 180.0 mcd

Wannan rarrabuwar yana ba masu ƙira damar zaɓar LED tare da matakan haske da ake iya hasashe don aikace-aikacen da ke buƙatar haɗa launi ko takamaiman buƙatun haske.

4. Bayanin Injiniya da Marufi

4.1 Girman Fakitin

LTST-S43FBEGW ya yi daidai da daidaitaccen ƙafar SMD. Manyan girma sun haɗa da tsawon jiki kusan 4.0mm, faɗin 3.0mm, da ƙayyadaddun tsayi mai kauri na 0.4mm. Duk juzu'in girma ±0.1mm sai dai idan an ƙayyade. An ayyana aikin fil a sarari: Fil 1 don anode guntu Kore, Fil 3 don anode guntu Jan, da Fil 4 don anode guntu Shuɗi. Cikakken zane mai girma yana da mahimmanci don daidaitaccen ƙirar ƙirar ƙasa ta PCB.

4.2 Tsarin Ƙirar PCB Pad da Jagora & Polarity

Takardar bayanai ta haɗa da shawarar tsarin ƙirar ƙafar haɗawa ta allon kewaye (PCB). Bin wannan shawarar yana da mahimmanci don cimma daidaitattun filayen solder, tabbatar da kwanciyar hankali na injiniya, da sauƙaƙe haɗin lantarki mai aminci yayin aikin reflow. Ƙirar ƙafar tana lissafin yawan zafin jiki na kayan kuma tana taimakawa hana kabari (tsayawar kayan a ƙarshe). Alamar polarity akan fakitin LED dole ne a daidaita shi da madaidaicin alamar polarity akan silkscreen na PCB.

4.3 Marufi na Kaset da Reel

Ana samar da abubuwan a cikin daidaitaccen kaset ɗin mai ɗaukar hoto mai faɗin 8mm, wanda aka nannade akan reels diamita 7-inch (178mm). Kowane reel yana ƙunshe da guda 4000. An rufe kaset ɗin da murfin sama don kare abubuwan daga gurɓatawa da danshi. Marufin ya yi daidai da ƙayyadaddun ANSI/EIA-481, yana tabbatar da dacewa da masu ciyarwa ta atomatik. Don adadin ƙasa da cikakken reel, ana samun mafi ƙarancin adadin marufi na guda 500.

5. Jagororin Solder da Haɗawa

5.1 Bayanin Solder na IR Reflow

Takardar bayanai tana ba da shawarar bayanin reflow wanda ya dace da IPC J-STD-020D.1 don hanyoyin marasa gubar. Manyan ma'auni sun haɗa da:

• Zafin Jiki Kafin:150°C zuwa 200°C.
• Lokacin Dumama Kafin:Matsakaicin dakika 120 don ɗaga zafin jiki a hankali da kunna flux.
• Zafin Jiki Mafi girma:Matsakaicin 260°C.
• Lokaci Sama da Liquidus (TAL):Ya kamata a fallasa kayan zuwa matsakaicin zafin jiki na matsakaicin dakika 10. Ya kamata a yi reflow mafi yawan sau biyu.

An jaddada cewa mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, man solder, da halayen tanda. Ana ba da shawarar siffanta matakin allon.

5.2 Solder da Hannu

Idan solder da hannu ya zama dole, dole ne a yi taka tsantsan. Matsakaicin zafin ƙarshen ƙarfe na solder da aka ba da shawarar shine 300°C, tare da matsakaicin lokacin tuntuɓe na dakika 3 a kowane haɗin solder. Ya kamata a iyakance solder da hannu zuwa zagayen gyara guda ɗaya don hana matsanancin damuwa na zafi akan fakitin filastik da haɗin waya na ciki.

5.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan solder, kawai ya kamata a yi amfani da takamaiman kaushi. Hanyar da aka ba da shawarar ita ce nutsar da allon da aka haɗa a cikin barasa na ethyl ko isopropyl alcohol a yanayin daki na ƙasa da minti ɗaya. Yin amfani da marasa ƙayyadaddun ko masu tsattsauran ra'ayi na sinadarai na iya lalata ruwan tabarau na filastik na LED da kayan fakitin.

6. Ajiya da Kulawa da Kulawa

6.1 Hatsarin Watsawar Lantarki (ESD)

Kamar yawancin na'urorin semiconductor, waɗannan LED ɗin suna da hankali ga watsawar lantarki. Dole ne a sami ingantattun sarrafawa na ESD a lokacin sarrafawa da haɗawa. Wannan ya haɗa da amfani da bel ɗin wuyan hannu da aka kafa, tabarma mai hana tashin hankali, da tabbatar duk kayan aikin suna da tushe da kyau. ESD na iya haifar da gazawa nan take ko lalacewa a ɓoye wanda ke rage dogon lokacin aminci.

6.2 Hatsarin Danshi da Ajiya

An yi marufi na LED a cikin jakar shinge na danshi tare da desiccant. A cikin wannan yanayin da aka rufe, ya kamata a adana su a 30°C ko ƙasa da 90% danshi na dangi (RH) ko ƙasa da haka, tare da shawarar rayuwar shiryayye na shekara guda daga ranar lamba.

Da zarar an buɗe ainihin marufi, an ƙididdige abubuwan a matakin Hatsarin Danshi (MSL) 3. Wannan yana nufin dole ne a yi musu solder na IR reflow a cikin sa'o'i 168 (7 kwanaki) na fallasa ga yanayin da bai wuce 30°C / 60% RH ba. Don ajiya fiye da wannan lokacin a waje da ainihin jakar, ya kamata a sanya su a cikin akwati mai rufi tare da desiccant. Abubuwan da aka fallasa fiye da sa'o'i 168 suna buƙatar tsarin gasa (kusan 60°C na aƙalla sa'o'i 20) don cire danshin da aka sha kafin solder don hana "popcorning" ko fashewar fakitin yayin reflow.

7. Shawarwari na Aikace-aikace da Tunani na Ƙira

7.1 Iyakancewar Halin Yanzu

Bukata ta asali don tuƙi LED shine amfani da resistor mai iyakancewa halin yanzu ko direba mai ci gaba da halin yanzu. Ƙarfin lantarki na gaba (V_F) na LED yana da jurewa kuma yana bambanta da zafin jiki. Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki zai haifar da halin yanzu mara sarrafawa, mai yiwuwa ya wuce Matsakaicin Matsakaicin Ƙimar Ƙarfafawa kuma ya lalata na'urar. Za a iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (V_supply- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga takardar bayanai don tabbatar da isasshen iyakancewar halin yanzu a ƙarƙashin duk yanayi.

7.2 Gudanar da Zafi

Ko da yake raguwar wutar lantarki yana da ƙasa (30-35 mW), ingantaccen sarrafa zafi akan PCB har yanzu yana da mahimmanci don tsawon rai da ingantaccen aiki. Matsakaicin zafin haɗin gwiwa yana haifar da raguwar fitarwar haske (rage darajar lumen), canjin matsakaicin tsawon tsawon tsawon (canjin launi), da haɓaka tsufa. Tabbatar cewa ƙafafun PCB suna da isasshen taimako na zafi kuma, idan zai yiwu, haɗa su zuwa wuraren zubar da tagulla don zama mai zafi.

7.3 Haɗa Launi da Sarrafawa

Don cimma takamaiman launuka (misali, fari, rawaya, cyan, magenta) ko tasirin launi mai ƙarfi, dole ne a tuƙi guntu uku daban. Wannan yawanci yana buƙatar tashoshi masu sarrafawa daban-daban guda uku, galibi ana aiwatar da su ta hanyar canjin faɗin bugun jini (PWM) daga microcontroller. Dole ne a yi la'akari da bambancin ƙarfin haske da ƙarfin lantarki na gaba na kowane launi a cikin ƙirar kewaye da software na sarrafawa don cimma daidaitaccen fitarwar launi.

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

8.1 Shin zan iya tuka LED a ƙarfin halin yanzu na kololuwa (50mA) a ci gaba?

No.Matsakaicin ƙimar Halin Yanzu na Gaba (50mA don Shuɗi/Kore) don aikin bugun jini kawai ne (1/10 aikin aiki, bugun jini 0.1ms). Matsakaicin halin yanzu na ci gaba da aka ba da shawarar (DC Halin Yanzu na Gaba) shine 10mA don waɗannan launuka. Wuce matakin DC zai haifar da zafi mai yawa, wanda zai haifar da lalacewa da gazawa cikin sauri.

8.2 Me ya sa ƙarfin lantarki na gaba ya bambanta don guntu jan?

Ƙarfin lantarki na gaba wani muhimmin sifa ne na ƙarfin bandgap na kayan semiconductor. Guntu jan yana amfani da AlInGaP, wanda ke da ƙarancin ƙarfin bandgap (~1.9-2.0 eV) idan aka kwatanta da InGaN da ake amfani da shi don shuɗi da kore (~2.5-3.4 eV). Ƙananan bandgap yana buƙatar ƙarancin makamashi don electrons su ketare, yana haifar da ƙarancin raguwar ƙarfin lantarki na gaba.

8.3 Me ma'anar "Matsakaicin Tsawon Tsawon Tsawon" idan aka kwatanta da "Tsawon Tsawon Tsawon"?

Tsawon Tsawon Tsawon (λ_P):Tsawon tsawon tsawon na zahiri inda LED ke fitar da mafi yawan ƙarfin gani. Ana auna shi kai tsaye ta spectrometer.
Matsakaicin Tsawon Tsawon (λ_d):Tsawon tsawon tsawon na fahimta. An samo shi daga zanen chromaticity na CIE kuma yana wakiltar tsawon tsawon tsawon guda ɗaya na hasken gani mai tsafta wanda idon ɗan adam zai fahimta kamar yadda ya dace da launin LED mafi kusa. Don LED masu faɗin bakan, λ_dda λ_Pna iya bambanta.

8.4 Ta yaya zan fassara lambar kwandon lokacin yin oda?

Lokacin ƙayyade wannan ɓangaren don samarwa, ya kamata ku nemi lambar kwandon ƙarfin haske da ake so ga kowane launi (misali, Shuɗi: N, Ja: M, Kore: Q). Wannan yana tabbatar da cewa kuna karɓar LED tare da matakan haske a cikin kewayon da ake iya hasashe, ƙunƙuntacce, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar kamanni iri ɗaya ko daidaitaccen haɗa launi. Idan babu kwandon da aka ƙayyade, kuna iya karɓar abubuwa daga kowane kwandon samarwa.