LTST-C194KRKT SMD LED Takardar Bayani - Girman 1.6x0.8x0.3mm - Ƙarfin Wutar Lantarki 2.4V - Ƙarfi 75mW - Launi Ja - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTST-C194KRKT na'urar haɗawa ta saman (SMD) ce mai fitar da haske (LED) wacce ke cikin rukunin LED na guntu. Babban siffarta shi ne tsayinta mai ƙasƙanci sosai, wanda yake kawai 0.30 milimita. Wannan ya sa ya dace da aikace-aikacen da ke da matsalolin sarari, musamman a cikin axis Z. Na'urar tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don samar da hasken ja, an kulle shi a cikin fakitin ruwa mai tsabta. An tsara shi don dacewa da tsarin haɗa na'urorin lantarki na zamani, masu yawan gaske.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Fa'idodin wannan LED sun samo asali ne daga tsarinsa da dacewar tsari. Ƙirar siririn gaske tana ba da damar haɗawa cikin na'urorin lantarki masu siriri kamar na'urorin hannu, nuni masu siriri, da fasahar sawa. Fakitinsa akan tef na milimita 8 da aka nannade akan reels na inci 7 ya yi daidai da ma'auni na kayan aikin zaɓi da sanyawa, yana sauƙaƙe haɗawa mai inganci. Bugu da ƙari, bin tsarin gudanar da gudanarwa na infrared (IR) yana ba shi damar a ɗora shi tare da sauran sassan SMD a cikin zagaye guda ɗaya na sake kunnawa, wanda shine ma'auni na masana'antu don haɗa PCB. Hakanan an ƙayyade na'urar a matsayin samfurin kore mai bin ka'idojin RoHS, wanda ya dace da dokokin muhalli. Kasuwar manufa ta haɗa da masana'antun kera na'urorin lantarki masu amfani, masu nuna alama, hasken baya don maɓallai ko gumaka, da duk wani aikace-aikacen da ke buƙatar ingantaccen mai nuna alama ja mai ƙasƙanci.

2. Bincike Mai zurfi na Sigogi na Fasaha

Wannan sashe yana ba da cikakken fassarar ma'auni na ma'auni na lantarki, gani, da zafi da aka ƙayyade don LED na LTST-C194KRKT.

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a yi niyya don aiki na yau da kullun ba.

• Rushewar Ƙarfi (Pd):75 mW. Wannan shine matsakaicin adadin ƙarfin da fakitin LED zai iya watsawa azaman zafi a ƙarƙashin kowane yanayi. Wuce wannan zai iya haifar da zafi da haɓakar lalacewar haɗin gwiwar semiconductor.
• Matsakaicin Halin Gaba na DC (IF):30 mA. Matsakaicin ci gaba na gaba wanda za'a iya amfani da shi. Yanayin aiki na yau da kullun don gwada sigogin gani shine 20 mA, yana ba da gefen aminci na 10 mA.
• Matsakaicin Halin Gaba:80 mA. Wannan yana halatta ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Bugun jini yana ba da damar haske mai tsananin lokaci ba tare da wuce matsakaicin iyakar watsawar ƙarfi ba.
• Ƙarfin Wutar Lantarki Mai Juyawa (VR):5 V. Ba a ƙera LED don jure manyan ƙarfin wutar lantarki ba. Wuce 5V a cikin juzu'i na baya zai iya haifar da rushewar haɗin PN.
• Yanayin Aiki & Ajiya:-30°C zuwa +85°C / -40°C zuwa +85°C. Waɗannan kewayon suna ayyana yanayin muhalli don aiki mai dogaro da ajiya mara aiki, bi da bi.

2.2 Halayen Lantarki-Gani

An auna a Ta=25°C da IF=20mA, waɗannan sigogi suna ayyana aikin na'urar a ƙarƙashin yanayin gwaji na yau da kullun.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙanƙanta na 11.2 mcd zuwa matsakaicin 180.0 mcd. An sarrafa babban kewayon ta hanyar tsarin binning (daki-daki a Sashe na 3). Ana auna ƙarfi ta amfani da firikwensin da aka tace don dacewa da madaidaicin amsawar ido na ɗan adam (CIE).
• Kusurwar Dubawa (2θ1/2):Digiri 130. Wannan babban kusurwar kallo ce, ta al'ada don LED na guntu tare da ruwan tabarau mai tsabta. An ayyana kusurwar a matsayin inda ƙarfin haske ya faɗi zuwa rabin ƙimar axis (0°).
• Matsakaicin Tsawon Tsawon (λP):639 nm. Wannan shine tsayin tsayin da fitowar ƙarfin gani ya fi girma. Auna jiki ne na hasken da aka fitar.
• Matsakaicin Tsawon Tsawon (λd):631 nm. Wannan ƙima ce da aka samo daga zanen launi na CIE kuma tana wakiltar launin hasken da aka gane. Bambanci tsakanin kololuwar tsayin tsayi da rinjaye ya samo asali ne daga siffar bakan fitarwa.
• Rabin Faɗin Layin Gani (Δλ):20 nm. Wannan yana nuna tsabtar gani ko faɗin band na hasken da aka fitar. Ƙimar 20 nm ta al'ada ce don LED ja AlInGaP, wanda ke haifar da launin ja mai cikakken cikawa.
• Ƙarfin Wutar Lantarki Mai Gaba (VF):2.4 V (na al'ada). Wannan shine faɗuwar wutar lantarki a kan LED lokacin da aka tuƙa shi a 20 mA. Ma'auni ne mai mahimmanci don ƙirar da'irar iyakancewar halin yanzu.
• Halin Yanzu Mai Juyawa (IR):10 μA (matsakaici). Ƙaramin halin yanzu na ɓarna lokacin da aka yi amfani da 5V a cikin juzu'i na baya.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa mai yawa, ana rarraba LED zuwa kwandon aiki. LTST-C194KRKT yana amfani da tsarin binning don ƙarfin haske.

3.1 Binning Ƙarfin Hasken

Lambobin kwandon (L, M, N, P, Q, R) suna rarraba LED bisa ga ƙarfin hasken da aka auna a 20 mA. Kowane kwandon yana da mafi ƙarancin ƙima da matsakaicin ƙima, kuma ana amfani da jurewar +/-15% a cikin kowane kwandon. Misali, Bin 'L' ya ƙunshi 11.2 zuwa 18.0 mcd, yayin da Bin 'R' ya ƙunshi 112.0 zuwa 180.0 mcd. Wannan yana ba masu ƙira damar zaɓar kwandon wanda ya dace da takamaiman buƙatun haskensu, yana tabbatar da daidaiton gani a cikin taro. Takardar bayani ba ta nuna binning don tsayin tsayi ko ƙarfin wutar lantarki na gaba don wannan takamaiman lambar ba, yana nuna cewa ana sarrafa waɗannan sigogi sosai yayin samarwa.

4. Bincike Mai zurfi na Sigogi na Fasaha

Yayin da abin da aka fitar na PDF ya ambaci lanƙwasa na al'ada, takamaiman zane-zane (misali, lanƙwasa IV, zafi vs. ƙarfi, rarraba gani) ba a haɗa su cikin rubutun ba. Dangane da halayen LED na yau da kullun da sigogin da aka bayar, zamu iya ƙididdige gabaɗayan siffar waɗannan lanƙwasa.

4.1 Halin Yanzu Mai Gaba vs. Ƙarfin Wutar Lantarki Mai Gaba (Lanƙwasa I-V)

Halayen I-V na LED yana da ƙima. Ga LTST-C194KRKT, tare da VF na al'ada na 2.4V a 20mA, lanƙwasa zai nuna ƙaramin halin yanzu a ƙasa da kusan 1.8V (ƙarfin wutar lantarki). Sa'an nan halin yanzu zai tashi da sauri tare da ƙaramin ƙaruwa a cikin ƙarfin wutar lantarki. Wannan dangantakar da ba ta layi ba shine dalilin da ya sa dole ne a tuƙa LED ta hanyar tushen halin yanzu ko ta hanyar resistor mai iyakancewa, ba tushen ƙarfin wutar lantarki ba.

4.2 Halayen Zafin Jiki

Aikin LED ya dogara da zafin jiki. Yawanci, ƙarfin wutar lantarki na gaba (VF) yana da ƙimar zafin jiki mara kyau, yana raguwa da kusan 2 mV/°C. Ƙarfin haske (Iv) shima yana raguwa yayin da zafin haɗin gwiwar ya tashi. Ƙayyadaddun yanayin aiki har zuwa 85°C na yanayi yana nufin cewa dole ne mai ƙira ya yi la'akari da sarrafa zafi, musamman idan yana aiki a ko kusa da matsakaicin halin yanzu na DC, don kiyaye aiki da tsawon rai.

4.3 Rarraba Gani

Bakan fitarwa don LED ja AlInGaP shine lanƙwasa mai siffar kararrawa da ke kewaye da kololuwar tsayin tsayi na 639 nm, tare da rabin faɗin 20 nm. Wannan yana haifar da launin ja mai tsabta, cikakke. Tsayin tsayi mai rinjaye (631 nm) zai ɗan gajarta fiye da kololuwar saboda siffar lanƙwasa hankali na ido na CIE, wanda ke auna tsayin daban-daban daban-daban.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin da Halin Polarity

LED ya yi daidai da tsarin fakitin ma'auni na EIA. Ma'auni mai mahimmanci shine tsayin 0.30 mm. Girman ƙafar (tsayi da faɗi) na al'ada ne don LED na guntu. An nuna polarity akan na'urar kanta (yawanci alamar cathode, kamar layin kore, tsaga, ko fakitin ƙafa mai girman daban-daban a ƙasan). Dole ne tsarin PCB ya dace da wannan polarity don tabbatar da daidaitaccen alkibla yayin haɗawa da aiki ta atomatik.

5.2 Ƙirar Ƙafar Solder da Aka Shawarta

Takardar bayani ta haɗa da tsarin ƙasa da aka ba da shawara (girman fakitin solder) don ƙirar PCB. Yin bin wannan tsari yana da mahimmanci don cimma haɗin gwiwar solder mai dogaro yayin sake kunnawa. Yana tabbatar da damin da ya dace, daidaitawa, da ƙarfin injiniya. Bayanin yana ba da shawarar matsakaicin kauri na stencil na 0.10mm don aikace-aikacen man guduro, wanda ke sarrafa ƙarar man da aka ajiye kuma yana hana gada solder.

6. Jagororin Gudanarwa da Haɗawa

6.1 Bayanin Siffar Sake Gudanar da Infrared

Na'urar ta dace da cikakke tare da hanyoyin sake kunnawa marasa gubar (Pb-free) IR. An ba da bayanin da aka ba da shawara, wanda yawanci yana bin lanƙwasa sake kunnawa na ma'auni na JEDEC. Ma'auni masu mahimmanci sun haɗa da: yankin pre-heat (150-200°C), rampa mai sarrafawa zuwa matsakaicin zafin jiki wanda bai wuce 260°C ba, da lokacin da ya wuce ruwa (TAL) don tabbatar da samuwar haɗin gwiwar solder da ya dace. Ƙayyadaddun ma'auni shine cewa dole ne a bayyana jikin LED zuwa 260°C na fiye da dakika 10. Dole ne a siffanta wannan bayanin don takamaiman PCB, tanda, da sauran sassan da aka yi amfani da su a cikin taro.

6.2 Yanayin Ajiya da Gudanarwa

LEDs na'urori ne masu hankali ga danshi (MSD). Lokacin da aka rufe su a cikin jakar asali mai hana danshi tare da desiccant, suna da tsawon rayuwa na shekara guda lokacin da aka adana su a ≤30°C da ≤90% RH. Da zarar an buɗe jakar, lokacin bayyanawa ga yanayin masana'antu na yanayi (≤30°C, ≤60% RH) yana iyakance zuwa sa'o'i 672 (kwanaki 28) kafin a yi musu solder. Idan an wuce wannan lokacin, ana buƙatar gasa a 60°C na aƙalla sa'o'i 20 don cire danshin da aka sha kuma a hana "popcorning" (fashewar fakitin) yayin sake kunnawa.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gudanarwa, kawai yakamata a yi amfani da kaushi da aka ƙayyade. Takardar bayani tana ba da shawarar nutsar da barasa na ethyl ko isopropyl a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Mugayen ko sinadarai marasa ƙayyadaddun suna iya lalata ruwan tabarau na filastik ko fakitin.

7. Bayanin Fakitin da Oda

7.1 Ƙayyadaddun Tef da Reel

Ana ba da LED a cikin tef ɗin mai ɗaukar hoto tare da murfin tef, an nannade shi akan reels mai diamita inci 7 (178 mm). Kowane reel yana ɗauke da guda 5000. Girman tef da tazarar aljihu sun yi daidai da ma'auni na ANSI/EIA 481-1-A-1994, suna tabbatar da dacewa da ma'auni na atomatik masu ciyarwa. Ƙayyadaddun yana ba da izinin matsakaicin fanko biyu a jere akan reel.

8. Shawarwari na Ƙirar Aikace-aikace

8.1 Ƙirar Da'irar Tuƙi

LED na'urar da aka tuƙa ta halin yanzu ce. Hanyar da ta fi dacewa don tuƙa LED da yawa ita ce amfani da resistor daban na iyakancewa a jere tare da kowane LED (Da'irar A a cikin takardar bayani). Wannan yana rama bambancin halitta a cikin ƙarfin wutar lantarki na gaba (VF) daga LED ɗaya zuwa wani. Haɗa LED da yawa kai tsaye a layi daya tare da resistor ɗaya da aka raba (Da'irar B) ba a ba da shawara ba, saboda LED tare da mafi ƙarancin VF zai jawo ƙarin halin yanzu, yana haifar da rashin daidaiton haske da yuwuwar damuwa.

8.2 Kariya daga Zubar da Wutar Lantarki (ESD)

Ko da yake ba a cikakken bayani a cikin abin da aka fitar ba, gabaɗaya LED na AlInGaP suna da hankali ga zubar da wutar lantarki. Yakamata a kiyaye matakan kulawa na ESD na yau da kullun yayin haɗawa: yi amfani da tashoshi na aiki, igiyoyin wuyan hannu, da kwantena masu amfani.

8.3 Iyakar Aikace-aikace da Iyakoki

An ƙera LED don kayan aikin lantarki na gabaɗaya. Don aikace-aikacen da ke buƙatar ingantaccen dogaro inda gazawar zai iya haifar da haɗari (misali, jirgin sama, na'urorin likita, sarrafa sufuri), ƙarin ƙwararrun cancantar ɓangare da tuntuba na musamman na aikace-aikace zai zama dole. An tabbatar da ƙayyadaddun bayanan na'urar don yanayin kasuwanci na yau da kullun.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambancin LTST-C194KRKT shine tsayinsa mai ƙasƙanci na 0.3mm. Idan aka kwatanta da LED na SMD na yau da kullun (misali, fakitin 0603 ko 0402 waɗanda galibi suna tsayin 0.6-0.8mm), wannan na'urar tana ba da damar ƙirar samfur mai siriri. Amfani da fasahar AlInGaP yana ba da ingantacciyar inganci da ingantaccen kwanciyar hankali na zafin jiki don hasken ja idan aka kwatanta da tsofaffin fasahohi kamar GaAsP. Ruwan tabarau mai tsabta, haɗe tare da faɗin kusurwar kallo na digiri 130, yana ba da tsarin haske mai faɗi, daidai wanda ya dace da aikace-aikacen nuna alama da hasken baya inda ganin daga kusurwoyi da yawa ke da mahimmanci.

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

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

A: A'a. Dole ne ka yi amfani da resistor na iyakancewa a jere. Don wadataccen 3.3V da manufar halin yanzu na 20mA, ƙimar resistor zata kasance R = (3.3V - 2.4V) / 0.02A = 45 Ohms. Dangane da resistor na 47 Ohm zai dace.

Q: Me yasa akwai babban kewayon a cikin ƙarfin haske (11.2 zuwa 180 mcd)?

A: Wannan shine yawaitar samarwa. Ta hanyar tsarin binning (L zuwa R), zaku iya siyan LED daga takamaiman, ƙaramin kewayon ƙarfi don tabbatar da daidaito a cikin aikace-aikacenku.

Q: Shin ƙimar halin yanzu na DC na 30mA wurin aiki ne da aka ba da shawara?

A: A'a. Yanayin gwaji na al'ada shine 20mA. Ƙimar 30mA ita ce matsakaicin matsakaici. Don aiki mai dogaro na dogon lokaci, yana da kyau a rage ƙima kuma a yi aiki a ƙasa da wannan matsakaicin, misali, a 20mA.

Q: Ta yaya zan fassara launin ruwan tabarau na "Ruwa Mai Tsabta"?

A: Ruwan tabarau mai tsabta (mai bayyana) yana ba da damar ganin ainihin launin guntun LED lokacin da ya kashe kuma yana ba da mafi girman kusurwar kallo ga hasken da aka fitar lokacin da yake kunne. Ya bambanta da ruwan tabarau mai watsewa ko launi.

11. Ƙirar Aiki da Shari'ar Amfani

Harka: Ƙirar mai nuna alamar matsayi don siririn akwatin kunnen Bluetooth.Tsayin ciki na akwatin yana da iyaka sosai. LED na yau da kullun zai yi tsayi sosai. LTST-C194KRKT, tare da tsayinsa na 0.3mm, ana iya ɗora shi akan PCB na ciki. Bin M ko N LED (18-45 mcd) zai ba da isasshen haske don mai nuna caji/cikakken da ake gani ta ƙaramin taga. Mai ƙira zai aiwatar da da'irar tuƙi tare da resistor a jere da aka haɗa zuwa fil ɗin GPIO na microcontroller. Tsarin ƙasar PCB zai bi shawarar takardar bayani, kuma gidan haɗawa zai yi amfani da jagororin bayanin sake kunnawa na IR da aka bayar. Za a yi odar LED akan reels na 7" don haɗawa ta atomatik, kuma masana'antar za ta bi tsawon rayuwar bene na sa'o'i 672 bayan buɗe jakar don tabbatar da ingancin gudanarwa.

12. Gabatarwar Ka'idar Fasaha

LTST-C194KRKT ya dogara ne akan fasahar semiconductor na AlInGaP. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin PN, ana shigar da electrons da ramuka cikin yanki mai aiki. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin Aluminum, Indium, Gallium, da Phosphide a cikin kristal semiconductor yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsayin tsayi (launi) na hasken da aka fitar—a wannan yanayin, ja a ~631-639 nm. Ruwan tabarau na epoxy mai tsabta yana aiki don kare mutuwar semiconductor, siffanta fitar da haske (kusurwar kallo na digiri 130), da samar da kwanciyar hankali na injiniya don igiyoyin haɗin gwiwar da ke haɗa mutuwa zuwa jagororin fakitin.

13. Trends na Masana'antu da Ci gaba

Trend a cikin mai nuna alama da ƙananan sigina LED yana ci gaba zuwa ƙananan ƙira da ingantaccen inganci. Tsayin 0.3mm na wannan na'urar yana wakiltar ci gaba da ƙoƙarin rage bayyanar ɓangaren don samfuran ƙarshe masu siriri. Bugu da ƙari, akwai ci gaba da turawa don ingantaccen haske mai haske (ƙarin fitowar haske a kowace naúrar shigar da lantarki) a cikin duk launuka, wanda aka motsa ta buƙatun ingantaccen makamashi. Daidaitawar fakitin (kamar ma'auni na EIA da ƙayyadaddun tef-da-reel da aka yi amfani da su a nan) da dacewar tsari (sake kunnawa IR) suma mahimman abubuwa ne, suna ba da damar a ɗauki LED a matsayin daidaitattun sassan SMD a cikin layukan haɗawa masu sauri. Ƙaura zuwa abubuwan da ba su da gubar da masu bin ka'idojin RoHS, kamar yadda aka gani a cikin wannan samfurin, yanzu buƙatu ne na masana'antu na duniya.