LTST-C171KGKT SMD LED Takardar Bayani - Tsayin 0.8mm - Ƙarfin Wutar Gaba 2.4V - Launi Kori - Ƙarfin Wutar 75mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTST-C171KGKT na'urar haske ce (LED) mai hawa a saman (SMD) wacce aka tsara don aikace-aikacen lantarki na zamani masu ƙarancin sarari. Tana cikin dangin LED na guntu masu siriri, tare da tsayin da ya yi ƙasa sosai kawai 0.80 mm. Wannan ya sa ta zama zaɓi mai kyau don nuna haske a baya, fitilun yanayi, da hasken ado a cikin na'urorin lantarki masu siriri, dashbodin motoci, da na'urori masu ɗauka inda tsayin kayan aiki ya zama muhimmin abu a cikin ƙira.

LED tana amfani da guntu na semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP), fasaha da aka sani da samar da haske mai inganci a cikin bakan amber zuwa kori. Wannan ƙirar ta musamman tana fitar da hasken kori. Ginin ta da kayan ta sun bin ka'idojin RoHS (Ƙuntata Abubuwa Masu Hatsari), wanda ya sanya ta a matsayin samfurin kore mai dacewa don kasuwannin duniya masu ƙaƙƙarfan ƙa'idodin muhalli.

An tattara shi akan tef na 8mm kuma ana ba da shi akan reels masu diamita 7-inch, kayan aikin ya dace da kayan aikin haɗawa na atomatik masu sauri. An kuma tsara shi don jurewa daidaitattun hanyoyin gyarawa na infrared (IR) da na tururi, yana sauƙaƙe ingantaccen samarwa mai yawa.

2. Zurfin Binciken Ƙayyadaddun Fasaha

2.1 Matsakaicin Ƙimar Ƙarfafawa

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da shawarar aiki a ko kusa da waɗannan iyakokin na tsawon lokaci.

• Rushewar Ƙarfi (Pd):75 mW. Wannan shine matsakaicin jimlar ƙarfin da fakitin LED zai iya watsawa a matsayin zafi a yanayin yanayi (Ta) na 25°C.
• Halin Yanzu na Gaba na DC (IF):30 mA. Matsakaicin ci gaba da halin yanzu na gaba da za a iya amfani da shi.
• Matsakaicin Halin Yanzu na Gaba:80 mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms) don hana yin zafi sosai.
• Rage Ƙimar:Dole ne a rage matsakaicin halin yanzu na gaba na DC da 0.4 mA a kowane digiri Celsius sama da yanayin zafi na 50°C. Wannan yana da mahimmanci don sarrafa zafi a cikin yanayi mai zafi.
• Ƙarfin Wutar Juya Baya (VR):5 V. Wuce wannan ƙarfin lantarki a cikin karkatar da baya na iya haifar da rushewar haɗin kai nan da nan.
• Yanayin Aiki & Ma'ajiyar Zazzabi:-55°C zuwa +85°C. An ƙididdige na'urar don aiki da adanawa a cikin wannan faɗin yanayin zafi na masana'antu.
• Yanayin Gyarawa na Infrared:Yana jure zafin kololuwar 260°C na tsawon dakika 10, wanda shine ma'auni don bayanan sake kwarara na guduro mara gubar (Pb-free).

2.2 Halayen Lantarki & Na Gani

Waɗannan su ne madaidaicin sigogi na aiki da aka auna a Ta=25°C da IF na 20 mA, wanda shine daidaitaccen yanayin gwaji.

• Ƙarfin Hasken Hasken (Iv):18.0 (Mafi ƙanƙanta) / 35.0 (Na al'ada) mcd. Wannan shine hasken da ake gani na fitar da haske kamar yadda na'urar firikwensin da aka tace don dacewa da amsawar idon ɗan adam (lanƙwasa CIE) ya auna.
• Kusurwar Dubawa (2θ1/2):130° (Na al'ada). Wannan faɗin kusurwar dubawa tana nuna LED tana fitar da haske a kan mazugi mai faɗi, yana mai da shi ya dace da aikace-aikacen da ke buƙatar haske mai faɗi.
• Matsakaicin Tsawon Tsawon Watsawa (λP):574 nm (Na al'ada). Wannan shine tsayin raƙuman ruwa inda fitar da ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Raƙuman Ruwa (λd):571 nm (Na al'ada). Wannan shine tsayin raƙuman ruwa guda ɗaya wanda ya fi wakiltar launin da ake gani (kore) na LED, wanda aka samo daga lissafin launi na CIE.
• Rabin Faɗin Layin Bakan (Δλ):15 nm (Na al'ada). Wannan yana auna tsaftar bakan; ƙunƙuntaccen faɗi yana nuna launi mai cikakken cikakke, mai tsafta.
• Ƙarfin Wutar Gaba (VF):2.0 (Mafi ƙanƙanta) / 2.4 (Na al'ada) V. Faɗuwar ƙarfin lantarki a kan LED lokacin da yake gudanar da 20 mA.
• Halin Yanzu na Juya Baya (IR):10 μA (Matsakaici) a VR=5V. Ana son ƙaramin halin yanzu na yadudduka na baya.
• Ƙarfin Ƙarfi (C):40 pF (Na al'ada) a 0V, 1 MHz. Wannan ƙarfin ƙarfi na parasitic na iya zama dacewa a cikin aikace-aikacen sauyawa mai girma.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki bisa mahimman sigogi. LTST-C171KGKT yana amfani da tsarin binning mai girma uku.

3.1 Binning Ƙarfin Wutar Gaba

Ana ayyana kwandon ta lambar lamba (4 zuwa 8) wacce ke wakiltar kewayon VF @ 20mA. Misali, Lambar Bin '5' ta ƙunshi LED masu VF tsakanin 2.00V da 2.10V. Ana amfani da jurewar ±0.1V ga kowane kwandon. Daidaita kwandon VF a cikin da'ira yana taimakawa cimma daidaiton rabon halin yanzu lokacin da aka haɗa LED a layi daya.

3.2 Binning Ƙarfin Hasken Hasken

Ana ayyana kwandon ta lambar haruffa (M, N, P) wacce ke wakiltar kewayon Iv @ 20mA. Misali, Bin 'M' ya ƙunshi 18.0 zuwa 28.0 mcd, yayin da Bin 'N' ya ƙunshi 28.0 zuwa 45.0 mcd. Ana amfani da jurewar ±15% ga kowane kwandon. Wannan yana ba masu ƙira damar zaɓar matakin haske wanda ya dace da aikace-aikacen su.

3.3 Binning Matsakaicin Tsawon Raƙuman Ruwa

Ana ayyana kwandon ta lambar haruffa (C, D, E) wacce ke wakiltar kewayon λd @ 20mA. Bin 'D', misali, ya ƙunshi 570.5 nm zuwa 573.5 nm. Ana kiyaye ƙunƙuntaccen jurewar ±1 nm ga kowane kwandon, yana tabbatar da daidaiton bayyanar launi a cikin gungu na LED.

4. Binciken Lanƙwasa Aiki

Duk da yake an ambaci takamaiman lanƙwasa a cikin takardar bayani (Hoto 1, Hoto 6), tasirinsu na daidaitacce ne. Dangantakar Ƙarfin Hasken Hasken da Halin Yanzu na Gabalanƙwasa zai nuna dangantaka kusa da layi a ƙananan halin yanzu, yana mai da hankali ga jikewa a manyan halin yanzu saboda tasirin zafi da inganci. Tsarin Rarraba Ƙarfin Kusurwatsari (Hoto 6) zai kwatanta kusurwar dubawa na 130°, yana nuna yadda ƙarfin haske ya ragu daga tsakiyar axis. Rarraba Bakanjadi (Hoto 1) zai nuna lanƙwasa mai kama da Gaussian a tsakiya kusan 574 nm tare da rabin faɗi na 15 nm, yana tabbatar da fitar da launin kori.

5. Bayanin Injiniya & Marufi

5.1 Girman Fakitin

LED yana da daidaitaccen tsarin fakitin EIA na masana'antu. Muhimman girma sun haɗa da jimlar tsayi na 0.80 mm. Cikakkun zane-zane na injiniya suna ƙayyadaddun tsayi, faɗi, tazarar jagora, da lissafin ruwan tabarau, duk tare da daidaitaccen jurewar ±0.10 mm sai dai idan an lura da su. Waɗannan madaidaicin girma suna da mahimmanci don ƙirar sawun PCB.

5.2 Gano Ƙarfi & Ƙirar Kafet ɗin Solder

Kayan aikin yana da anode da cathode. Takardar bayani ta haɗa da tsarin ƙasa na kafet ɗin solder da aka ba da shawarar. An inganta wannan tsari don samar da haɗin gwiwar solder mai dogaro yayin sake kwarara, yana tabbatar da ingantaccen jika da ƙarfin injiniya yayin hana gada solder. Yin bin wannan sawun da aka ba da shawarar yana da mahimmanci don yawan samarwa.

5.3 Marufi na Tef da Reel

Ana ba da LED a cikin tef mai ɗaukar kaya (tsalle 8mm) da aka nannade akan reels masu diamita 7-inch (178 mm). Kowane reel yana ƙunshe da guda 3000. Marufin ya yi daidai da ma'auni na ANSI/EIA 481-1-A-1994. Muhimman bayanan sun haɗa da: ana rufe ramukan da ba kowa tare da tef ɗin murfi, mafi ƙarancin adadin oda don ragowar shine guda 500, kuma ana ba da izinin mafi girman LED guda biyu da suka ɓace a jere a kowane reel.

6. Jagororin Gyarawa & Haɗawa

6.1 Bayanin Sake Kwarara Solder

An ba da shawarar bayanin sake kwarara na infrared don hanyoyin marasa gubar. Muhimman sigogi sun haɗa da yankin pre-heat na 150-200°C, lokacin pre-heat har zuwa dakika 120, matsakaicin zafi bai wuce 260°C ba, da lokacin sama da ruwa (yawanci ~217°C) na dakika 10 matsakaicin. LED na iya jure wannan bayanin har sau biyu matsakaicin.

6.2 Gyarawa da Hannu

Idan gyarawa da hannu ya zama dole, yakamata a yi amfani da ƙarfe na solder tare da zafin da bai wuce 300°C ba, tare da iyakance lokacin gyarawa zuwa dakika 3 a kowane haɗin gwiwa. Yakamata a yi wannan sau ɗaya kawai don guje wa lalacewar zafi ga fakitin filastik.

6.3 Tsaftacewa

Yakamata a yi amfani da takamaiman wakilan tsaftacewa kawai. Abubuwan da aka ba da shawarar sune barasa na ethyl ko isopropyl a daidaitaccen zafin ɗaki. Yakamata a nutsar da LED na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na epoxy ko fakitin.

6.4 Ma'ajiyawa & Hatsarin Danshi

Yakamata a adana LED a cikin yanayi wanda bai wuce 30°C da 70% danshi ba. Da zarar an cire su daga jakar su ta asali mai hana danshi, yakamata a yi wa kayan aikin sake kwarara na IR cikin sa'o'i 672 (kwanaki 28, MSL 2a). Don adanawa mai tsawo a waje da jakar asali, dole ne a adana su a cikin akwati mai rufi tare da busassun abu ko a cikin yanayin nitrogen. Kayan aikin da aka adana fiye da sa'o'i 672 suna buƙatar gasa a kusan 60°C na aƙalla awanni 24 kafin gyarawa don cire danshin da aka sha da hana "popcorning" yayin sake kwarara.

7. Bayanan Aikace-aikace & Abubuwan Ƙira

7.1 Ƙirar Da'irar Tuƙi

LED na'urori ne masu tuƙi na halin yanzu. Don tabbatar da daidaiton haske lokacin tuƙi da yawa LED, musamman a layi daya, ana ba da shawarar sosaidon amfani da resistor mai iyakance halin yanzu guda ɗaya a jere tare da kowane LED. Takardar bayani ta kwatanta wannan a matsayin "Samfurin Da'ira A." Ƙoƙarin tuƙi da yawa LED a layi daya daga resistor guda ɗaya ("Samfurin Da'ira B") ba a ƙarfafa shi saboda ƙananan bambance-bambance a cikin halayen ƙarfin wutar gaba (VF) na kowane LED zai haifar da rashin daidaito mai mahimmanci a cikin rarraba halin yanzu, yana haifar da rashin daidaiton haske da yuwuwar damuwa da wasu na'urori.

7.2 Kariya daga Zubar da Wutar Lantarki (ESD)

Tsarin semiconductor na AlInGaP yana da hankali ga zubar da wutar lantarki. Lalacewar ESD na iya bayyana a matsayin babban halin yanzu na yadudduka na baya, ƙarancin ƙarfin wutar gaba, ko gazawar haskakawa a ƙananan halin yanzu. Don hana lalacewar ESD:

• Yakamata ma'aikata su sanya igiyoyin wuyan hannu masu ɗaukar wutar lantarki ko safofin hannu masu hana tashin hankali.
• Dole ne duk tashoshin aiki, kayan aiki, da tarukan ajiya su kasance da tushe daidai.
• Yi amfani da ionizer don kawar da cajin tsaye wanda zai iya taruwa akan ruwan tabarau na filastik yayin sarrafawa.

Don gwada yuwuwar lalacewar ESD, duba ko LED yana haskakawa kuma auna VF a ƙaramin halin yanzu (misali, 0.1mA). LED na AlInGaP mai kyau yakamata ya sami VF fiye da 1.4V a ƙarƙashin wannan yanayin.

7.3 Iyakar Aikace-aikace

An tsara wannan LED don kayan aikin lantarki na gabaɗaya, gami da na'urori masu sarrafa kansa na ofis, kayan aikin sadarwa, da kayan amfanin gida. Don aikace-aikacen da ke buƙatar dogaro na musamman inda gazawar za ta iya haifar da haɗarin rayuwa ko lafiya (misali, jiragen sama, tsarin likita, na'urorin aminci), takamaiman cancanta da tuntuɓar masana'anta sun zama dole kafin ƙira.

8. Kwatancen Fasaha & Bambance-bambance

Babban abubuwan banbanta na LTST-C171KGKT sune tsayin sa mai ƙarancin 0.8mmda kuma amfani da fasahar AlInGaP don hasken kori. Idan aka kwatanta da tsofaffin fasahohi ko fakitoci masu kauri, yana ba da damar ƙirar samfur mai siriri. AlInGaP yana ba da inganci mai girma da kyakkyawan kwanciyar hankali na zafi don launuka kori/amber. Faɗin kusurwar dubawa na 130° yana ba da haske mai faɗi, daidai idan aka kwatanta da LED masu ƙunƙuntaccen kusurwa, waɗanda suka fi dacewa da aikace-aikacen haske mai mai da hankali. Cikakken tsarin binning yana ba da damar daidaita launi da haske a cikin jerin samarwa idan aka kwatanta da abubuwan da ba a binne su ko sako-sako da binne su.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Zan iya tuƙa wannan LED kai tsaye daga fitarwar dabaru na 3.3V ko 5V?

A: A'a. Dole ne koyaushe ka yi amfani da resistor mai iyakance halin yanzu a jere. Ana ƙididdige ƙimar resistor kamar R = (Vcc - VF) / IF. Misali, tare da wadata 5V (Vcc), VF na 2.4V, da IF da ake so na 20mA, R = (5 - 2.4) / 0.02 = 130 Ohms. Daidaitaccen resistor na 130 ko 150 Ohm zai dace.

Q: Menene bambanci tsakanin Matsakaicin Tsawon Raƙuman Ruwa da Matsakaicin Tsawon Raƙuman Ruwa?

A: Matsakaicin Tsawon Raƙuman Ruwa (λP) shine tsayin raƙuman ruwa na zahiri inda LED ke fitar da mafi yawan ƙarfin gani. Matsakaicin Tsawon Raƙuman Ruwa (λd) ƙima ce da aka lissafta wacce ta dace da launin da idon ɗan adam ke gani akan ginshiƙin CIE. λd sau da yawa ya fi dacewa da aikace-aikacen nuna launi.

Q: Ta yaya zan fassara lambar bin a cikin lambar sashi (misali, KGKT)?

A: Ƙarshen lambar sashi yawanci yana ɓoye zaɓin kwandon don ƙarfi, tsawon raƙuman ruwa, kuma wani lokacin ƙarfin lantarki. Takamaiman taswirar kwandon (misali, 'K' don ƙarfi, 'G' don tsawon raƙuman ruwa) an ayyana shi a cikin tsarin lambobi na ciki na masana'anta kuma yakamata a yi kwatankwacin shi da jerin lambobin bin a cikin takardar bayani don ainihin kewayon aiki.

Q: Shin koyaushe ana buƙatar gasa kafin gyarawa?

A: Ana buƙatar gasa ne kawai idan kayan aikin sun kasance a cikin iskar yanayi a waje da jakarsu ta asali mai rufi, mai hana danshi fiye da ƙayyadaddun "rayuwar bene" (sa'o'i 672 don MSL 2a). Idan an yi amfani da shi a cikin wannan lokacin daga jakar da aka rufe da kyau, ba lallai ba ne a yi gasa.

10: Misalin Nazarin Shari'ar Ƙira

Yanayi:Ƙirar allon nuna yanayi don na'urar likita mai ɗauka. Allon yana da sarari don LED kori 10 a jere, yana nuna yanayin aiki daban-daban. Gidan na'urar yana da ƙuntatawa na ciki na jimlar tsayi na 2.5mm.

Dalilin Zaɓin Kayan Aiki:An zaɓi LTST-C171KGKT da farko saboda tsayinsa na 0.8mm, wanda ke sauƙin shiga cikin ƙuntatawa na injiniya tare da sarari don PCB da mai watsawa. Faɗin kusurwar dubawa na 130° yana tabbatar da cewa ana iya ganin alamomin daga kusurwoyi daban-daban lokacin da aka riƙe na'urar ko an sanya ta akan tebur. Launin kori (matsakaicin tsawon raƙuman ruwa na 571 nm) shine ma'auni don yanayin "shirye" ko "kunna".

Ƙirar Da'ira:Na'urar sarrafawa ta microcontroller (MCU) tare da fil 10 na GPIO tana tuƙi LED. Kowane filin GPIO yana haɗe zuwa anode na LED ɗaya ta hanyar resistor na jere na 150-ohm. An haɗa duk cathodes zuwa ƙasa. An yi amfani da wannan tsarin "resistor guda ɗaya kowane LED" (Da'ira A) duk da yin amfani da ƙarin resistors saboda yana tabbatar da halin yanzu iri ɗaya don haka haske iri ɗaya ga kowane LED, ba tare da la'akari da ƙananan bambance-bambancen VF ba. An saita filayen MCU a matsayin fitarwa na buɗaɗɗen rami ko turawa don samo kimanin 20mA da ake buƙata.

Shimfidar PCB:An yi amfani da madaidaicin girman kafet ɗin solder da aka ba da shawarar daga takardar bayani a cikin sawun PCB. An kiyaye isasshiyar ƙetare tsakanin kafet ɗin don hana gada solder. An sanya LED a gefen sama na PCB, kuma an sanya jagorar haske ko fim ɗin watsawa a saman su don haɗa haske daidai a kan taga mai nuna alama a kan gidan.

11. Gabatarwar Ƙa'idar Fasaha

LTST-C171KGKT ya dogara ne akan fasahar semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Wannan tsarin kayan an kafa shi ta hanyar haɗa Aluminum Gallium Indium Phosphide, yana ba injiniyoyi damar daidaita makamashin bandgap ta hanyar daidaita ma'auni na waɗannan abubuwa. Babban bandgap yana dacewa da gajeren tsayin raƙuman ruwa (haske mafi girma). Don hasken kori (~571 nm), ana amfani da takamaiman abun da ke ciki.

Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce ƙarfin kunna diode (kusan 2V don AlInGaP kori), ana shigar da electrons daga yankin n-type zuwa yankin p-type, kuma ana shigar da ramuka a cikin sabanin hanya. Waɗannan masu ɗaukar caji suna sake haɗuwa a cikin yankin aiki na semiconductor. A cikin kayan bandgap kai tsaye kamar AlInGaP, wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske) ta hanyar tsarin da ake kira electroluminescence. Tsawon raƙuman ruwa (launi) na photon da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor a cikin yankin aiki. Ruwan tabarau na epoxy yana aiki don kare guntu, daidaita fitar da hasken fitarwa, da haɓaka ingancin fitar da haske.

12. Trends & Ci gaban Masana'antu

Trend a cikin SMD LED don aikace-aikacen nuna alama da haske na baya yana ci gaba zuwa ƙananan ƙira da inganci mafi girma. Tsayin fakitin yana raguwa ƙasa da 0.8mm don ba da damar samfuran ƙarshe masu siriri. Akwai kuma tuƙi don ingantaccen haske mai haske (ƙarin fitar da haske a kowace watt na lantarki), wanda ke rage amfani da wutar lantarki da samar da zafi. Ana samun wannan ta hanyar inganta ƙirar guntu (misali, tsarin jujjuyawar guntu), mafi kyawun masu nuna ciki, da ingantattun fasahohin phosphor don fararen LED. Duk da yake AlInGaP ya balaga kuma yana da inganci don ja-amber-kori, fasahar Indium Gallium Nitride (InGaN) ta mamaye kasuwannin LED shuɗi, kori, da fari kuma tana ganin ci gaba da inganci na kori, mai yuwuwa kalubalantar AlInGaP a wasu aikace-aikacen kori. Bugu da ƙari, haɗin kai wani trend ne, tare da fakitin LED da yawa da direbobin LED sun haɗu zuwa guda ɗaya don sauƙaƙe ƙira da adana sararin allo.