LTST-S320KSKT LED Mai Haske Rairayi SMD - Duba Gege - 3.2x2.0x1.1mm - 2.4V Matsakaici - 75mW - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTST-S320KSKT na'urar hawa saman (SMD) ce mai fitar da haske (LED) wacce aka tsara don aikace-aikacen da ke buƙatar tushen haske mai fitarwa gefe. Tana amfani da ƙwayar semiconductor Ultra Bright Aluminium Indium Gallium Phosphide (AlInGaP) don samar da hasken rairayi. Na'urar tana da ruwa-mara-ruwa ruwa da firam ɗin gubar da aka yi da tin, an haɗa shi a cikin ginin da ya dace da EIA. Ana ba da shi akan tef 8mm da aka nannade akan reels mai diamita 7-inch, yana sa ya dace da kayan aikin sarrafa kai da sauri da kuma daidaitattun hanyoyin gyarawa na infrared (IR) reflow.

1.1 Siffofi da Fa'idodi na Tsakiya

• Haske Mai Girma:Fasahar ƙwayar AlInGaP tana ba da ƙarfin haske mai girma, tare da ƙimar al'ada daga 45.0 zuwa 180.0 millicandelas (mcd) a gaba na halin yanzu na 20mA.
• Zane na Dubawa Gege:An ƙera fakitin don fitar da haske daga gefe, wanda ya dace don nunin baya, allunan da aka haskaka gefe, da nunin yanayin inda ake buƙatar hasken gefe.
• Daidaito:Na'urar ta dace da I.C. kuma an tsara ta don amfani da tsarin sanya kai, yana sauƙaƙe tsarin masana'antu.
• Daidaitaccen Muhalli:Samfurin ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Hatsari) kuma an rarraba shi azaman Samfurin Kore.
• Reflow Solderable:An ƙididdige shi don hanyoyin gyarawa na infrared reflow tare da matsakaicin zafin jiki na 260°C na dakika 10, ya dace da layukan haɗawa marasa gubar (Pb-free).

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine matsakaicin adadin wutar lantarki da LED zai iya watsawa azaman zafi ba tare da lalata aiki ko haifar da gazawa ba.
• Matsakaicin Halin Yanzu na Gaba (I_F(PEAK)):80 mA. Wannan shine matsakaicin halin yanzu da aka ba da izini, wanda aka ƙayyade a cikin zagayowar aiki 1/10 tare da faɗin bugun jini na 0.1ms. Koda na ɗan lokaci bai kamata a wuce shi ba.
• DC Halin Yanzu na Gaba (I_F):30 mA. Wannan shine matsakaicin ci gaba da halin yanzu na gaba da aka ba da shawarar don dogon lokaci mai aminci.
• Karfinsa Baya (V_R):5 V. Yin amfani da ƙarfin baya wanda ya wuce wannan ƙimar zai iya haifar da gazawar nan take kuma mai ban tsoro na LED.
• Kewayon Zafin Aiki (T_opr):-30°C zuwa +85°C. Kewayon zafin yanayin da aka tsara LED don aiki daidai.
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +85°C. Kewayon zafin jiki don adana na'urar lokacin da ba a aiki ba.

2.2 Halaye na Lantarki & Na Gani

Ana auna waɗannan sigogi a zafin yanayi (T_a) na 25°C kuma suna ayyana aikin al'ada na na'urar.

• Ƙarfin Haske (I_V):Min. 45.0 mcd, Typ. (duba binning), Max. 180.0 mcd @ I_F=20mA. An auna ta amfani da firikwensin da aka tace don dacewa da madaidaicin amsawar gani na CIE (idan mutum).
• Kusurwar Dubawa (2θ_1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar kololuwa (a kan-axis). Faɗin kusurwar dubawa kamar wannan siffa ce ta fakitin fitarwa gefe.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):588 nm. Takamaiman tsawon raƙuman ruwa wanda LED ke fitar da mafi yawan ƙarfin gani.
• Matsakaicin Tsawon Tsawon (λ_d):587.0 - 594.5 nm @ I_F=20mA. Wannan shine tsawon raƙuman ruwa guda ɗaya wanda idon ɗan adam ya gane wanda ke ayyana launi (rairayi). An samo shi daga zanen chromaticity na CIE.
• Rabin Faɗin Layin Bakan (Δλ):15 nm. Wannan yana nuna tsaftar bakan; ƙaramin ƙima yana nufin tushen haske mafi monochromatic.
• Karfinsa Gaba (V_F):Min. 1.80 V, Typ. (duba binning), Max. 2.40 V @ I_F=20mA. Faɗin ƙarfin lantarki a kan LED lokacin aiki.
• Halin Yanzu Baya (I_R):Max. 10 μA @ V_R=5V. Ƙaramin halin yanzu na ɓarna wanda ke gudana lokacin da na'urar ta kasance mai karkatar da baya a cikin matsakaicin ƙimar ta.

3. Bayanin Tsarin Binning

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara bisa mahimman sigogi. LTST-S320KSKT yana amfani da tsarin binning mai girma uku.

3.1 Binning Karfinsa Gaba

Raka'a: Volts (V) @ 20mA. Hakuri kowace kwandon shara: ±0.1V.

- Bin F2:1.80V (Min) zuwa 2.10V (Max)

- Bin F3:2.10V (Min) zuwa 2.40V (Max)

3.2 Binning Ƙarfin Haske

Raka'a: Millicandelas (mcd) @ 20mA. Hakuri kowace kwandon shara: ±15%.

- Bin P:45.0 mcd (Min) zuwa 71.0 mcd (Max)

- Bin Q:71.0 mcd (Min) zuwa 112.0 mcd (Max)

- Bin R:112.0 mcd (Min) zuwa 180.0 mcd (Max)

3.3 Binning Matsakaicin Tsawon Tsawon

Raka'a: Nanometers (nm) @ 20mA. Hakuri kowace kwandon shara: ±1nm.

- Bin J:587.0 nm (Min) zuwa 589.5 nm (Max)

- Bin K:589.5 nm (Min) zuwa 592.0 nm (Max)

- Bin L:592.0 nm (Min) zuwa 594.5 nm (Max)

Cikakken lambar sashi, gami da lambobin kwandon shara (misali, LTST-S320KSKT), yana ƙayyadad da ainihin halayen aikin na'urar. Ya kamata masu zane su zaɓi kwandon shara da ya dace don biyan bukatun aikace-aikacensu na haske da daidaiton launi.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa a cikin takardar bayanan (shafuka 6-9), ana yin binciken nan bisa bayanan tebur da aka bayar da kuma daidaitattun halayen LED.

4.1 Halin Yanzu na Gaba vs. Karfinsa Gaba (Lanƙwasa I-V)

Karfinsa gaba (V_F) yana da kewayon al'ada na 1.80V zuwa 2.40V a 20mA. Kamar kowane diode, dangantakar I-V tana da ƙima. Yin aiki da LED sosai ƙasa da 20mA zai haifar da ƙaramin V_F, yayin da tuƙi shi a matsakaicin halin yanzu na DC na 30mA zai ƙara V_Fda watsawar wutar lantarki. Mai iyakance halin yanzu ko direban halin yanzu yana da mahimmanci don aiki mai ƙarfi.

4.2 Ƙarfin Haske vs. Halin Yanzu na Gaba

Ƙarfin haske yana kusan daidai da halin yanzu na gaba a cikin kewayon aiki. Duk da haka, inganci na iya raguwa a manyan halayen yanzu saboda ƙarin zafin haɗin gwiwa. Tsarin binning yana tabbatar da haske mai hasashe a daidaitaccen yanayin gwaji na 20mA.

4.3 Dogaro da Zafin Jiki

Aikin LED na AlInGaP yana shafar zafin jiki. Yayin da zafin haɗin gwiwa ya karu, ƙarfin gaba yawanci yana raguwa kaɗan, yayin da fitarwar haske ke raguwa. An ƙayyade kewayon zafin aiki na -30°C zuwa +85°C yana tabbatar da aiki mai aminci, amma ya kamata ƙira su sarrafa watsawar zafi don kiyaye mafi kyawun haske da tsawon rai, musamman lokacin aiki kusa da matsakaicin halin yanzu ko a cikin manyan yanayin zafi.

5. Bayanin Injiniya & Fakitin

5.1 Girman Fakitin

Na'urar ta yi daidai da daidaitaccen tsarin fakitin EIA. Mahimman girma (a cikin millimeters) sun haɗa da girman jiki da tazarar jagora, waɗanda ke da mahimmanci don ƙirar sawun PCB. Zanen dubawa gefe yana nufin ainihin saman fitar da haske yana kan gefen dogon fakitin.

5.2 Shawararriyar Tsarin Gyarawa da Polarity

Takardar bayanan tana ba da shawarar tsarin ƙasa (zane na gyarawa) don PCB. Bin wannan tsarin yana tabbatar da samuwar haɗin gwiwar gyarawa da kwanciyar hankali na injiniya yayin reflow. Na'urar tana da alamar polarity (yawanci alamar cathode akan fakitin). Daidaitaccen alkibla yana da mahimmanci, kamar yadda amfani da ƙarfin baya zai iya lalata LED.

6. Jagororin Gyarawa & Taro

6.1 Bayanin Yanayin Gyarawa na Infrared Reflow

An ba da shawarar bayanin reflow don hanyoyin Pb-free. Mahimman sigogi sun haɗa da:

- Pre-heat:150-200°C na matsakaicin dakika 120 don dumama allon a hankali da kunna flux.

- Matsakaicin Zafin Jiki:Matsakaicin 260°C.

- Lokaci Sama da Liquidus:Ya kamata a fallasa na'urar zuwa matsakaicin zafin jiki na matsakaicin dakika 10. Ya kamata a yi reflow mafi sau biyu.

6.2 Gyarawa da Hannu

Idan gyarawa da hannu ya zama dole:

- Zafin Ƙarfe:Matsakaicin 300°C.

- Lokacin Gyarawa:Matsakaicin dakika 3 kowace jagora.

- Mita:Ya kamata a yi sau ɗaya kawai don rage damuwa na zafi.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyarawa, kawai ya kamata a yi amfani da kaushi da aka ƙayyade. Takardar bayanan ta ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl alcohol a zafin jiki na al'ada na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata fakitin filastik ko ruwan tabarau.

6.4 Ajiya da Sarrafawa

• Hatsarin ESD:LED suna da hankali ga fitar da wutar lantarki (ESD). Yi amfani da igiyoyin wuyan hannu, tabarma mai hana tashin hankali, da kayan aikin da aka kafa da kyau yayin sarrafawa.
• Hankalin Danshi:Yayin da reelen da aka rufe yana ba da kariya, ya kamata a yi amfani da na'urorin da aka cire daga marufi da sauri. Idan ana buƙatar ajiya, ya kamata a ajiye su a cikin yanayi mai bushewa (<60% RH, <30°C). Don tsawaita ajiya a wajen ainihin marufi, ana ba da shawarar akwati mai rufi tare da desiccant ko nitrogen desiccator. Na'urorin da aka adana sama da mako guda na iya buƙatar gasa (misali, 60°C na sa'o'i 20) kafin gyarawa don hana \"popcorning\" yayin reflow.

7. Marufi da Oda

Daidaitaccen marufi shine tef 8mm akan reels mai diamita 7-inch (178mm).

- Adadin kowace Reel:Guda 3000.

- Matsakaicin Adadin Oda (MOQ):Guda 500 don sauran adadi.

- Ƙayyadaddun Tef:Ya bi ANSI/EIA-481. Ana rufe fanko mara komai da tef ɗin murfi. Matsakaicin adadin abubuwan da ba a samu ba a jere shine biyu.

8. Shawarwari na Aikace-aikace da La'akari da Zane

8.1 Yanayin Aikace-aikace na Al'ada

• Kayan Lantarki na Masu Amfani:Hasken gefe don hasken baya na maɓalli, alamomin wutar lantarki, ko fitilun yanayi a cikin kayan aikin gida, kayan aikin sauti, da na'urorin sarrafa nesa.
• Kayan Aiki:Alamomin panel da fitilun baya don mitoci, sarrafa masana'antu, da na'urorin likita (bisa ga ingantaccen tabbatar da aminci).
• Hasken Ciki na Motoci:Alamomin yanayi na ƙaramin wutar lantarki, ko da yake cancanta zuwa ƙa'idodin matakin mota zai zama dole.
• Hasken Kayan Ado:Hasken gefe don allunan acrylic ko alamomi.

8.2 Muhimman La'akari da Zane

1. Iyakance Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direban halin yanzu. Lissafa ƙimar resistor ta amfani da R = (V_supply- V_F) / I_F. Yi amfani da matsakaicin V_Fdaga kwandon shara don tabbatar da halin yanzu bai wuce iyaka ba ko da tare da bambancin sashi-zuwa-sashi.
2. Gudanar da Zafi:Tabbatar da shimfidar PCB yana ba da isassun taimakon zafi, musamman idan ana amfani da LED da yawa ko kuma idan ana aiki a manyan yanayin zafi. Dole ne a mutunta iyakar watsawar wutar lantarki na 75mW.
3. Zane na Gani:Kusurwar dubawa na digiri 130 yana ba da katako mai faɗi. Don ƙarin hasken da aka nufa, ruwan tabarau na waje ko jagororin haske na iya zama dole. Ruwan tabarau mai tsabta yana ba da ƙaramin yaduwar haske.
4. Zaɓin Siffar Igwa:Don aikace-aikacen da ke buƙatar ƙarin haske ko haɗawa, ana iya amfani da aikin bugun jini har zuwa matsakaicin halin yanzu (80mA, zagayowar aiki 1/10), amma matsakaicin halin yanzu bai kamata ya wuce ƙimar DC ba.

9. Kwatancen Fasaha da Bambance-bambance

LTST-S320KSKT ya bambanta kansa ta hanyar haɗin kai na halaye:

- Kayan (AlInGaP):Idan aka kwatanta da tsofaffin fasahohin GaAsP ko GaP, AlInGaP yana ba da inganci da haske sosai don launukan rairayi da amber, wanda ke haifar da ƙarancin amfani da wutar lantarki don fitar da haske iri ɗaya.

- Fakitin (Duba Gege):Ba kamar LED masu fitarwa sama ba, an ƙera wannan fakitin da gangan don aikace-aikacen da ake buƙatar fitar da haske a layi daya da saman PCB, yana adana sararin samaniya a tsaye da sauƙaƙe haɗin gwiwar gani zuwa jagororin haske.

- Tin Plating:Jagororin da aka yi da tin suna ba da ingantaccen gyarawa kuma sun dace da hanyoyin da ba su da gubar, suna ba da mafi kyawun halayen muhalli da aminci idan aka kwatanta da tsofaffin platings na tushen gubar.

10. Tambayoyin da ake yawan yi (FAQs)

10.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

Matsakaicin Tsawon Tsawon (λ_P):Tsawon raƙuman ruwa a mafi girman matsayi na bakan watsawa na LED (588 nm).Matsakaicin Tsawon Tsawon (λ_d):Tsawon raƙuman ruwa guda ɗaya wanda idon ɗan adam zai gane kamar yadda ya dace da launin LED (587-594.5 nm), wanda aka lissafa daga daidaitattun launi. Matsakaicin tsawon raƙuman ruwa ya fi dacewa don ƙayyadaddun launi.

10.2 Zan iya tuƙi wannan LED a 30mA akai-akai?

Ee, 30mA shine matsakaicin halin yanzu na gaba na DC da aka ba da shawarar. Duk da haka, yin aiki a wannan matsakaicin zai haifar da ƙarin zafi kuma yana iya rage tsawon rai na LED idan aka kwatanta da yin aiki a ƙaramin halin yanzu kamar 20mA. Ƙirar zafi mai isa tana da mahimmanci a 30mA.

10.3 Ta yaya zan fassara lambar kwandon shara a cikin lambar sashi?

Cikakken lambar sashi LTST-S320KSKT ya haɗa da lambobin kwandon shara da aka saka don ƙarfin gaba (F), ƙarfi (P/Q/R), da matsakaicin tsawon raƙuman ruwa (J/K/L). Tuntubi teburun lambar kwandon shara a sassan 3.1-3.3 don fahimtar takamaiman kewayon aikin na'urar da kuke oda.

10.4 Ana buƙatar sink na zafi?

Ga LED guda ɗaya da ke aiki a 20mA, yawanci ba a buƙatar sink na zafi na musamman idan PCB ya ba da faɗin tagulla mai ma'ana don yada zafi. Don tsararrun, aikin halin yanzu mai girma, ko manyan yanayin zafi, ya kamata a yi binciken zafi don tabbatar da cewa zafin haɗin gwiwa ya kasance cikin iyakoki masu aminci.

11. Misalin Aikace-aikace na Aiki

11.1 Zane na Alamar Yanayi mai Ƙaramin Wutar Lantarki

Yanayi:Samfurin yana buƙatar LED mai fitar da yanayi rairayi gefe wanda aka kunna daga layin dabaru na dijital 5V.

Matakan Zane:

1. Zaɓi Matsayin Aiki:Zaɓi I_F= 15mA don daidaitaccen daidaito na haske da tsawon rai.

2. Lissafa Resistor na Jerin:Yi amfani da matsakaicin V_Fdaga mafi munin kwandon shara (F3: 2.40V) don ƙira mai aminci. R = (5V - 2.40V) / 0.015A = 173.3Ω. Zaɓi mafi kusancin ƙimar daidaitaccen, 180Ω.

3. Duba Wutar Lantarki:Wutar lantarki a cikin LED: P_LED= V_F* I_F≈ 2.4V * 0.015A = 36mW, ƙasa da matsakaicin 75mW. Wutar lantarki a cikin resistor: P_R= (I_F)² * R = (0.015)² * 180 = 40.5mW. Yi amfani da aƙalla girman resistor 0805.

4. Shimfidar PCB:Sanya LED bisa ga shawararriyar tsarin ƙasa. Tabbatar da cewa an haɗa faɗin cathode (alama) zuwa ƙasa ko gefen ƙaramin ƙarfin lantarki.

12. Gabatarwar Ka'idar Fasaha

LTST-S320KSKT ya dogara ne akan fasahar semiconductor AlInGaP. Lokacin da aka yi amfani da ƙarfin gaba a kan haɗin gwiwar p-n, ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. A cikin kayan AlInGaP, wannan sake haɗuwa da farko yana sakin makamashi a cikin nau'in photons (haske) a cikin yankin rairayi na bakan gani (kusan 590 nm). Takamaiman launi (matsakaicin tsawon raƙuman ruwa) an ƙaddara shi ta ainihin abun da ke ciki (bandgap) na yadudduka na semiconductor da aka girma yayin ƙirƙira. Fakitin fitarwa gefe yana amfani da kogon tunani da ruwan tabarau na epoxy mai tsabta don jagorantar hasken da aka samar daga gefen kayan.

13. Trends da Ci gaban Masana'antu

Gabaɗayan yanayin a cikin SMD LEDs kamar wannan yana zuwa ga:

- Mafi Girman Inganci:Ci gaban kimiyyar kayan aiki na ci gaba yana nufin samar da ƙarin lumens kowace watt (lm/W), yana rage amfani da makamashi don fitar da haske iri ɗaya.

- Ingantaccen Daidaiton Launi:Ƙuntataccen haƙuri na binning da ci-gaban hanyoyin masana'antu suna haifar da ƙarancin bambanci a cikin launi da haske a cikin rukunin samarwa, wanda ke da mahimmanci don aikace-aikacen da ke amfani da LED da yawa.

- Ƙananan Ƙirar:Yayin da wannan daidaitaccen fakitin ne, masana'antu na ci gaba da haɓaka ƙananan sawun don aikace-aikacen yawa mai yawa.

- Ƙarfafa Amincewa:Haɓaka a cikin kayan fakitin (epoxy, firam ɗin jagora) da hanyoyin masana'antu na ci gaba da tsawaita tsawon lokacin aiki da haƙuri ga mawuyacin yanayin muhalli kamar zafi da zafi.