Takardar Bayani na Fasaha ta SMD LED LTST-C19DTGKT-NB - Girman 0603 - 2.5-3.1V - Kori - 38mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanai na fasaha don ƙaramin fitilar LED mai ɗaukar hoto (SMD). An ƙera shi don haɗa allon da'ira da aka buga (PCB) ta atomatik, wannan kayan aiki ya dace sosai don aikace-aikacen da ke da ƙarancin sarari a cikin nau'ikan na'urorin lantarki na masu amfani da na masana'antu. Girman sa mai ƙarancin girma da dacewa da hanyoyin ƙirƙira masu yawa sun sa ya zama zaɓi mai fa'ida don ƙirar lantarki na zamani.

1.1 Siffofi da Fa'idodi Masu Muhimmanci

LED yana ba da fa'idodi daban-daban ga masu ƙira da masana'antu. Yana amfani da guntu na semiconductor na InGaN (Indium Gallium Nitride) mai haske sosai, wanda aka sani da ingantaccen aiki da tsaftar launi a cikin bakan kori. Kayan aikin ya cika ka'idojin Hana Abubuwa Masu Haɗari (RoHS). Ana ba da shi a cikin kaset ɗin da'ira na masana'antu na 8mm akan reels masu diamita 7-inch, yana sauƙaƙe sarrafawa ta atomatik. Ƙirar kunshin ta dace da hanyoyin siyar da guduro ta infrared (IR), wanda ya yi daidai da layukan haɗawa marasa gubar (Pb-free).

1.2 Aikace-aikace da Kasuwannin Da Ake Nufi

Wannan SMD LED ya dace da aikace-aikace da yawa inda ake buƙatar nuni mai aminci, ƙarami ko hasken baya. Kasuwannin farko sun haɗa da na'urorin sadarwa (misali, wayoyin salula da maras igiya), na'urorin sarrafa ofis (misali, kwamfutocin tebur, tsarin hanyoyin sadarwa), da kayan amfani na gida daban-daban. Amfanin takamaiman ya haɗa da hasken baya na madannai ko maɓallan madannai, alamomin yanayin na'urorin lantarki, haɗawa cikin ƙananan nuni, da fitilu na gama gari na sigina ko alama.

2. Girman Kunshi da Ƙayyadaddun Bayanai na Injiniya

An saka LED a cikin da'irar kunshi na 0603, wanda ke nuna girman kusan 1.6mm tsawon da 0.8mm faɗi. Takamaiman ruwan tabarau na wannan samfurin yana da tsabta tare da hular baƙi, wanda ke taimakawa wajen inganta bambanci ta hanyar rage hasken da ba a so lokacin da LED ya kashe. Tushen haske da kansa guntu ne na kori na InGaN. Duk mahimman girmansa ana bayar da su a cikin milimita, tare da ƙimar jurewar da'ira na ±0.1mm sai dai idan an ƙayyade a cikin cikakkiyar zanen injiniya da ke cikin takardar bayani.

3. Ƙayyadaddun Bayanai da Halaye na Fasaha

3.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. An ƙayyade su a yanayin zafin muhalli (Ta) na 25°C. Matsakaicin ci gaba na DC na gaba (IF) shine 10mA. Matsakaicin ƙarfin gaba na 40mA yana yiwuwa a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun jini). Matsakaicin ɓarnawar wutar lantarki shine 38mW. Na'urar na iya jure ƙimar fitar da wutar lantarki (ESD) na 2000V ta amfani da Tsarin Jikin Mutum (HBM). Yanayin zafin aiki mai izini daga -20°C zuwa +80°C, yayin da kewayon zafin ajiya ya fi faɗi, daga -30°C zuwa +100°C. LED na iya jure siyar da guduro ta infrared a matsakaicin zafin 260°C na matsakaicin dakika 10.

3.2 Shawarar Tsarin Komawar IR don Aikin Ba tare da Gubar ba

An ba da shawarar tsarin siyar da guduro don tabbatar da haɗin guduro mai aminci ba tare da lalata LED ba. Tsarin yawanci ya haɗa da matakin riga-kafi, jiƙa zafi, yankin komawa tare da matsakaicin zafin jiki, da lokacin sanyaya. Bin ƙayyadaddun iyakokin lokaci da zafin jiki, musamman matsakaicin 260°C na dakika 10, yana da mahimmanci don kiyaye amincin na'urar.

3.3 Halayen Lantarki da Na Gani

Waɗannan su ne ƙayyadaddun sigogi na aikin da aka auna a Ta=25°C da ƙarfin gaba (IF) na 5mA, sai dai idan an faɗi.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙarancin 45.0 millicandelas (mcd) zuwa matsakaicin 180.0 mcd. Ƙimar ta yau da kullun tana cikin wannan kewayon. Auna yana bin tsarin amsawar ido na CIE.
• Kusurwar Dubawa (2θ½):Digiri 50. Wannan shine cikakkiyar kusurwar da ƙarfin haske ya rabi ƙimar da aka auna akan axis na tsakiya.
• Matsakaicin Tsawon Tsawon Tsawon Tsawon (λP):Yawanci 534.0 nanometers (nm).
• Matsakaicin Tsawon Tsawon (λd):Ya bambanta daga 520.0 nm zuwa 535.0 nm. Wannan tsawon tsawon guda ɗaya ya fi wakiltar launin da LED ke nunawa.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 35 nm. Wannan yana nuna tsaftar bakan hasken da aka fitar.
• Ƙarfin Lantarki na Gaba (VF):Ya bambanta daga 2.50 Volts zuwa 3.10 Volts a IF=5mA.
• Ƙarfin Lantarki na Baya (IR):Matsakaicin 10 microamperes (µA) lokacin da aka yi amfani da ƙarfin lantarki na baya (VR) na 5V. Lura: Ba a ƙera na'urar don aiki a cikin ƙarancin baya ba.

4. Tsarin Rarrabuwa da Rarrabuwa

Don tabbatar da daidaito a aikace-aikace, ana rarraba LEDs zuwa kwandon aiki bisa mahimman sigogi. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman da'ira ko buƙatun ado.

4.1 Rarrabuwar Ƙarfin Lantarki na Gaba (VF)

An ayyana kwandon aiki don faɗuwar ƙarfin lantarki na gaba a IF=5mA. Lambar E2 ta ƙunshi 2.5V zuwa 2.7V, E3 ta ƙunshi 2.7V zuwa 2.9V, kuma E4 ta ƙunshi 2.9V zuwa 3.1V. Ƙimar jurewar ±0.1V tana aiki a cikin kowane kwandon aiki.

4.2 Rarrabuwar Ƙarfin Hasken (Iv)

An ayyana kwandon aiki don fitar da haske a IF=5mA. Lambar P ta ƙunshi 45.0 zuwa 71.0 mcd, Q ta ƙunshi 71.0 zuwa 112.0 mcd, kuma R ta ƙunshi 112.0 zuwa 180.0 mcd. Ƙimar jurewar ±15% tana aiki a cikin kowane kwandon aiki.

4.3 Rarrabuwar Matsakaicin Tsawon Tsawon (Hue)

An ayyana kwandon aiki don wurin launi (matsakaicin tsawon tsawon). Lambar AP ta ƙunshi 520.0 zuwa 525.0 nm, AQ ta ƙunshi 525.0 zuwa 530.0 nm, kuma AR ta ƙunshi 530.0 zuwa 535.0 nm. Ƙimar jurewar ±1nm tana aiki a cikin kowane kwandon aiki.

5. Matsakaicin Lakatunan Aiki da Bayanan Hotuna

Takardar bayani ta haɗa da lakatuna daban-daban na halaye da aka zana a zafin muhalli na 25°C. Waɗannan jadawalin suna ba da hangen nesa na gani game da halayen na'urar a ƙarƙashin yanayi daban-daban. Lakatunan na yau da kullun sun haɗa da dangantakar tsakanin ƙarfin lantarki na gaba da ƙarfin gaba (lakatun V-I), bambancin ƙarfin haske tare da ƙarfin gaba, tasirin zafin muhalli akan ƙarfin haske, da rarraba ƙarfin bakan da ke nuna matsakaicin tsawon tsawon da faɗin bakan. Binciken waɗannan lakatunan yana da mahimmanci don ƙirar da'ira, kamar zaɓar masu jurewa na iyakancewar ƙarfin lantarki da fahimtar aiki a ƙarƙashin yanayin zafi daban-daban.

6. Jagorar Mai Amfani da Umarnin Sarrafawa

6.1 Hanyoyin Tsaftacewa

Ya kamata a guji masu tsaftacewa na sinadarai da ba a ƙayyade ba saboda suna iya lalata kunshin LED. Idan tsaftacewa ya zama dole bayan siyarwa ko saboda gurɓatawa, hanyar da aka ba da shawarar ita ce nutsar da LEDs a cikin barasa na ethyl ko isopropyl alcohol a zafin daki na ƙasa da minti ɗaya. Ya kamata a bushe abubuwan sosai bayan haka.

6.2 Tsarin Ƙasar PCB da Aka Ba da Shawara

An ba da cikakkiyar zanen tsarin da aka ba da shawarar na shimfidar ƙasa a kan allon da'ira da aka buga. Bin wannan tsarin yana tabbatar da samuwar fillet ɗin guduro mai kyau, mannewa mai kyau na injiniya, da daidaitawar daidai yayin aikin komawa. Ƙirar ta yi la'akari da girmansu kuma tana haɓaka haɗin lantarki mai aminci.

6.3 Ƙayyadaddun Kunshi na Kaset da Reel

Ana ba da LEDs a cikin kaset ɗin mai ɗaukar hoto tare da murfin kariya, wanda aka nannade akan reels masu diamita 7-inch (178mm). Matsakaicin adadin reel shine guda 4000. An ƙayyade cikakkun girmansa don aljihun kaset, tazara, da cibiyar reel don tabbatar da dacewa da na'urorin haɗawa ta atomatik. Kunshin ya yi daidai da ka'idojin ANSI/EIA-481.

7. Gargadi Masu Muhimmanci da Bayanan Aikace-aikace

7.1 Aikace-aikacen Da Ake Nufi da Aminci

An ƙera wannan LED don amfani a cikin daidaitattun na'urorin lantarki. Don aikace-aikacen da ke buƙatar aminci na musamman ko inda gazawar za ta iya haifar da haɗari ga rayuwa ko lafiya (misali, jiragen sama, na'urorin likita, tsarin aminci), shawarwarin fasaha na musamman ya zama dole kafin ƙirar don tantance dacewa da yuwuwar buƙatar ƙarin bincike ko cancanta.

7.2 Yanayin Ajiya da Hatsarin Danshi

Ajiya mai kyau yana da mahimmanci don hana shan danshi, wanda zai iya haifar da "popcorning" ko rabuwa yayin siyar da guduro ta infrared. Jakunkunan da ba a buɗe ba, masu hana danshi, ya kamata a adana su a ≤30°C da ≤90% RH, tare da amfani da abubuwan a cikin shekara guda. Da zarar an buɗe jakar asali, LEDs suna da ƙimar Hatsarin Danshi (MSL) 3. Wannan yana nufin cewa dole ne a yi musu siyar da guduro ta IR a cikin sa'o'i 168 (7 kwanaki) na fallasa zuwa yanayin ≤30°C/60% RH. Don ajiya fiye da wannan lokacin a waje da jakar asali, ya kamata a adana su a cikin akwati mai rufi tare da busassun abu. Abubuwan da suka wuce rayuwar bene na sa'o'i 168 suna buƙatar tsarin gasa (kusan 60°C na aƙalla sa'o'i 20) don cire danshi kafin siyarwa.

7.3 Jagororin Siyarwa

An yi magana da hanyoyin siyarwa guda biyu. Don siyar da komawa, tsarin ya kamata ya iyakance riga-kafi zuwa 150-200°C, tare da matsakaicin lokacin riga-kafi na dakika 120. Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce wannan zafin jiki ya kamata a iyakance shi zuwa matsakaicin dakika 10. Ya kamata a yi komawa sau biyu kawai. Don siyar da hannu da ƙarfe, zafin ƙarshen bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance shi zuwa dakika 3 a kowane haɗin guduro, da kyau a cikin aiki guda ɗaya. An jaddada cewa mafi kyawun tsarin komawa ya dogara da takamaiman ƙirar PCB, abubuwan da aka haɗa, da kuma man guduro da aka yi amfani da shi, kuma ya kamata a siffanta shi daidai.

8. Kariya daga Fitar da Wutar Lantarki (ESD)

LEDs suna da hankali ga fitar da wutar lantarki da haɓakar ƙarfin lantarki. Don hana lalacewa a ɓoye ko bala'i, dole ne a aiwatar da matakan sarrafa ESD mai tsauri yayin sarrafawa da haɗawa. Wannan ya haɗa da amfani da igiyoyin wuyan hannu masu tushe, safofin hannu masu hana wutar lantarki, da tabbatar da cewa duk tashoshin aiki, kayan aiki, da injina suna da tushe daidai. Ƙimar HBM na 2000V tana nuna matakin kariya na asali, amma hana fallasa ga tushen ESD shine dabarar farko koyaushe.

9. Abubuwan Ƙira da Haɗa Da'ira

Lokacin haɗa wannan LED a cikin da'ira, dole ne a ƙididdige abubuwa da yawa. Mai iyakancewar ƙarfin lantarki kusan koyaushe yana buƙatar lokacin tuƙi daga tushen ƙarfin lantarki. Ana iya ƙididdige ƙimarsa ta amfani da Dokar Ohm: R = (V_supply - VF_LED) / IF, inda VF_LED shine ƙarfin lantarki na gaba na zaɓaɓɓen kwandon aiki, kuma IF shine ƙarfin tuƙi da ake so (kada ya wuce 10mA DC). Misali, tare da wadata na 5V da VF na yau da kullun na 2.8V a 5mA, mai jurewa zai kasance (5 - 2.8) / 0.005 = 440 Ohms. Mai jurewa na da'ira na 470-Ohm zai zama zaɓi mai dacewa. Masu ƙira su ma su yi la'akari da yanayin zafi, saboda haɓakar zafin muhalli zai rage fitar da haske kuma ya shafi amincin dogon lokaci. Isasshen tazara akan PCB na iya taimakawa wajen ɓarnawar zafi.

10. Binciken Aiki da Mahallin Kwatanta

Amfani da guntu na InGaN don fitar da kori yana wakiltar fasahar zamani ta da'ira, yana ba da ingantaccen aiki da kwanciyar hankali na launi idan aka kwatanta da tsofaffin fasahohi. Kunshin 0603 yana cikin mafi ƙanƙanta da ake amfani da shi na SMD LED, yana ba da damar shimfidar wurare masu yawa. Ƙayyadaddun kewayon ƙarfin haske da kusurwar dubawa sun sa wannan kayan aiki ya dace da alamomin yanayin dubawa kai tsaye da ƙaramin hasken baya. Cikakken tsarin rarrabuwa yana ba da damar zaɓi daidai a aikace-aikacen inda daidaiton launi ko daidaita ƙarfin lantarki na gaba a cikin LEDs da yawa yake da mahimmanci, kamar a cikin tsararrun LED da yawa ko nuni.

11. Tambayoyin da Ake Yawan Yi (FAQ)

Q: Menene bambanci tsakanin matsakaicin tsawon tsawon da matsakaicin tsawon tsawon?

A: Matsakaicin tsawon tsawon (λP) shine tsawon tsawon guda ɗaya inda bakan fitarwa yake da matsakaicin ƙarfinsa. Matsakaicin tsawon tsawon (λd) an samo shi daga madaidaitan launi akan zanen launi na CIE kuma yana wakiltar tsawon tsawon guda ɗaya na haske mai tsafta wanda zai bayyana yana da launi ɗaya da LED ga idon mutum. λd sau da yawa ya fi dacewa don ƙayyadaddun launi.

Q: Shin zan iya tuƙa wannan LED ba tare da mai iyakancewar ƙarfin lantarki ba?

A: A'a. LED na'urar tuƙi ce. Haɗa shi kai tsaye zuwa tushen ƙarfin lantarki zai haifar da ƙarfin lantarki mai yawa, wanda zai wuce matsakaicin ƙimar da sauri kuma ya lalata kayan aikin. Mai jurewa na jerin gwano ko da'irar tuƙi mai ci gaba yana da mahimmanci.

Q: Me yasa ajiya da sarrafa hankalin danshi (MSL) ke da mahimmanci?

A: Kunshin SMD na filastik na iya shan danshi daga iska. A lokacin babban zafin jiki na siyar da komawa, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsin lamba na ciki wanda zai iya fashe kunshin ko rabuwa daga guntu ("popcorning"). Bin ƙimar MSL da hanyoyin gasa yana hana wannan yanayin gazawa.

Q: Ta yaya zan fassara lambobin kwandon aiki lokacin yin oda?

A: Cikakken ƙayyadaddun samfurin an ayyana shi ta haɗu da kwandon aiki don VF, Iv, da Hue (misali, E3-Q-AP). Don sakamako mai daidaito a cikin aikin samarwa, yana da kyau a ƙayyade lambobin kwandon aikin da ake buƙata ko kewayon da aka yarda lokacin yin oda.

12. Bayyani Game da Fasaha da Trends

Wannan LED yana amfani da kayan semiconductor na InGaN, wanda shine da'ira don samar da LEDs masu haske mai ƙarfi na shuɗi, kori, da fari. Trends a cikin SMD LEDs yana ci gaba zuwa mafi ingantaccen aiki (ƙarin fitar da haske a kowace watt na lantarki), ƙananan girman kunshi don haɓaka sassauƙan ƙira, da ingantaccen bayyana launi da daidaito. Hanyoyin ƙirƙira suna mai da hankali kan ƙarin ƙimar jurewa da ingantaccen aminci don biyan buƙatun motoci, masana'antu, da aikace-aikacen masu amfani. Ƙaura zuwa siyarwa mara gubar (Pb-free), kamar yadda aka yi magana a cikin wannan takardar bayani, yanzu ma'auni ne na masana'antu na duniya wanda ka'idojin muhalli suka motsa.