Bayanin Fasaha na LED LTST-M670KGKT - AlInGaP Kore - 2.4V - 72mW - Takardun Fasaha na Hausa

1. Bayanin Samfurin

LTST-M670KGKT wata LED ce mai haske sosai, wacce aka tsara don aikace-aikacen lantarki na zamani. Tana amfani da kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) don samar da hasken kore. Na'urar tana cikin fakitin da ya dace da EIA tare da ruwa mai tsabta, wanda ke taimakawa wajen fitar da haske da samar da faffadan kusurwar kallo. An tsara wannan LED musamman don dacewa da kayan aikin tara da sanya ta atomatik da kuma hanyoyin gyarawa na infrared (IR), wanda ya sa ta dace da samarwa mai yawa. Babban fa'idodinta sun haɗa da aiki mai daidaito, dacewa da muhalli, da sauƙin haɗawa cikin layukan samarwa na atomatik.

2. Zurfin Bayanin Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Iyakar aikin na'urar an ayyana shi a yanayin zafin muhalli (Ta) na 25°C. Wucewa waɗannan ƙimar na iya haifar da lalacewa ta dindindin. Matsakaicin ci gaba na yanzu (DC) shine 30 mA. Don aikin bugun jini, matsakaicin ci gaba na yanzu na 80 mA yana yiwuwa a ƙarƙashin aikin 1/10 tare da faɗin bugun 0.1ms. Matsakaicin ɓarnawar wutar lantarki shine 72 mW. LED na iya jure har zuwa 5 V na juyawa. Kewayon zafin aiki daga -40°C zuwa +85°C, kewayon zafin ajiya ya faɗaɗa daga -40°C zuwa +100°C.

2.2 Halayen Lantarki da Na Gani

Ana auna mahimman sigogi na aiki a Ta=25°C da ci gaba na yanzu (IF) na 20 mA. Matsakaicin ƙarfin lantarki na gaba (VF) shine 2.4 V, tare da kewayon daga 2.0 V zuwa 2.4 V. Ƙarfin haske (IV) yana da ƙimar al'ada na 180 millicandelas (mcd), tare da mafi ƙarancin ƙimar da aka ƙayyade na 56 mcd. Kusurwar kallo (2θ1/2), wanda aka ayyana shi azaman cikakken kusurwar inda ƙarfin ya ragu zuwa rabin ƙimar axial, shine digiri 120. Matsakaicin tsayin fitarwa (λP) shine 574 nm, kuma tsayin tsayi (λd) shine 571 nm. Ramin layin gani (Δλ) shine 15 nm. Juyawar yanzu (IR) shine matsakaicin 10 μA lokacin da aka yi amfani da juyawar lantarki (VR) na 5 V.

3. Bayanin Tsarin Rarraba

Ana rarraba samfurin zuwa kwandon aiki bisa mahimman sigogi guda uku don tabbatar da daidaito a aikace-aikace. Wannan yana ba masu zane damar zaɓar LEDs tare da halaye masu ƙarfi don kamanni iri ɗaya da aiki a cikin zane-zanensu.

3.1 Rarraba Ƙarfin Lantarki na Gaba

Ana rarraba ƙarfin lantarki na gaba a matakan 0.2 V. Lambobin kwandon sune D2 (1.80V - 2.00V), D3 (2.00V - 2.20V), da D4 (2.20V - 2.40V). Ana amfani da juzu'i na ±0.1 V ga kowane kwandon.

3.2 Rarraba Ƙarfin Haske

Ana rarraba ƙarfin haske zuwa kwandon aiki biyar: P2 (56.0 - 71.0 mcd), Q1 (71.0 - 90.0 mcd), Q2 (90.0 - 112.0 mcd), R1 (112.0 - 140.0 mcd), da R2 (140.0 - 180.0 mcd). Kowane kwandon yana da juzu'i na ±11%.

3.3 Rarraba Tsayin Tsayi

Tsayin tsayi, wanda ke ayyana launin da ake gani, ana rarraba shi kamar haka: B (564.5 - 567.5 nm), C (567.5 - 570.5 nm), D (570.5 - 573.5 nm), da E (573.5 - 576.5 nm). Juzu'in kowane kwandon shine ±1 nm.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa masu hoto a cikin takardun bayanin (misali, Hoto na 1 don fitarwa na gani, Hoto na 5 don tsarin kusurwar kallo), bayanan da aka bayar suna ba da damar bincika mahimman alaƙa. Ƙarfin lantarki na gaba yana nuna alaƙar logarithmic tare da ci gaba na yanzu, al'adar diode. Ƙarfin haske yana daidai da ci gaba na yanzu a cikin ƙayyadaddun kewayon aiki. Halayen gani, tare da kololuwa a 574 nm da kunkuntar rabin faɗin 15 nm, suna nuna launin kore mai tsabta, cikakke. Faɗin kusurwar kallo na digiri 120 yana nuna tsarin radiation na lambertian ko kusa da lambertian, yana samar da kyakkyawar ganin kashe-axis.

5. Bayanin Injiniya da Fakitin

5.1 Girman Na'urar

LED ta dace da daidaitaccen tsarin fakitin da aka sanya a saman EIA. Duk mahimman girma, gami da tsawon jiki, faɗi, tsayi, da tazarar jagora, ana bayar da su a cikin zane-zanen takardun bayanin tare da juzu'i na gabaɗaya na ±0.2 mm. An tsara fakitin don sanya shi a tsaye yayin haɗawa.

5.2 Gano Polarity

Ana gano cathode ta hanyar alamar gani akan fakitin, kamar notch, ɗigo, ko alamar kore, kamar yadda aka nuna a cikin zanen fakitin. Daidaitaccen alkiblar polarity yana da mahimmanci ga aikin da'ira.

5.3 Tsarin PCB Pad da Aka Ba da Shawara

An ba da shawarar ƙirar ƙirar ƙasa don allon da'ira da aka buga don tabbatar da samuwar haɗin gyarawa mai dogaro yayin gyarawa na sake kwarara. Wannan tsarin yana lissafin samuwar fillet na gyarawa da daidaito da kuma taimakon zafi.

6. Jagororin Gyarawa da Haɗawa

6.1 Bayanin Bayanin Sake Kwarara IR

Na'urar ta dace da gyarawa na sake kwarara na IR mara gubar. An ba da bayanin da aka ba da shawarar, wanda ya dace da ma'aunin J-STD-020B. Mahimman sigogi sun haɗa da zafin preheat na 150-200°C, lokacin preheat har zuwa dakika 120, da matsakaicin zafin jiki bai wuce 260°C ba har zuwa dakika 10. Ya kamata a siffanta bayanin don takamaiman haɗin PCB.

6.2 Gyarawa da Hannu

Idan gyarawa da hannu ya zama dole, zafin ƙarfe na gyarawa bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar ya kamata a iyakance zuwa matsakaicin dakika 3 don aiki ɗaya kawai.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gyarawa, kawai ya kamata a yi amfani da takamaiman sinadarai na barasa kamar ethyl alcohol ko isopropyl alcohol. Ya kamata a nutsar da LED a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata fakitin.

7. Bayanin Fakitin da Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana samar da LEDs a cikin kaset ɗin mai ɗaukar hoto tare da faɗin 8 mm, wanda aka nannade akan reels masu diamita 7-inch (178 mm). Kowane reel yana ƙunshe da guda 2000. Ana rufe kaset ɗin tare da madaidaicin murfin saman. Mafi ƙarancin adadin oda na guda 500 yana samuwa don sauran.

7.2 Ƙa'idodin Fakitin

Fakitin ya bi ƙa'idodin EIA-481-1-B. Matsakaicin adadin abubuwan da ba a samu ba a cikin kaset ɗin shine biyu.

8. Ajiya da Sarrafawa

Don buhunan da ba a buɗe ba masu hana danshi waɗanda ke ɗauke da busassun abu, ya kamata a adana LEDs a ≤30°C da ≤70% Danshi Dangi (RH) kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe ainihin fakitin, dole ne muhallin ajiya kada ya wuce 30°C da 60% RH. Abubuwan da aka cire daga ainihin fakitin su ɗauki sake kwarara na IR cikin sa'o'i 168 (kwanaki 7). Don ajiya fiye da wannan lokacin, ya kamata a adana su a cikin akwati mai rufi tare da busassun abu ko a cikin desiccator na nitrogen. LEDs da aka adana daga fakitin fiye da sa'o'i 168 suna buƙatar gasa a kusan 60°C na aƙalla awanni 48 kafin gyarawa don cire danshin da aka sha da hana "popcorning" yayin sake kwarara.

9. Bayanan Aikace-aikace da Abubuwan Ɗauka na Zane

9.1 Zane na Da'ira Mai Tuƙi

LEDs na'urori ne masu aiki na yanzu. Don tabbatar da daidaiton haske da hana cin abinci na yanzu, dole ne a yi amfani da resistor mai iyakance yanzu a jere tare da kowane LED ko kowane reshe na LEDs lokacin da aka haɗa su a layi daya. Tuƙi LED tare da tushen yanzu na dindindin shine mafi ingantaccen hanya don kiyaye fitarwa mai haske mai tsayi. Ana iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vcc - VF) / IF, inda Vcc shine ƙarfin lantarki, VF shine ƙarfin lantarki na gaba na LED (yi amfani da matsakaicin ƙima don gefen zane), kuma IF shine ci gaba na yanzu da ake so (misali, 20 mA).

9.2 Gudanar da Zafi

Ko da yake ɓarnawar wutar lantarki ta kasance ƙasa da ƙasa (72 mW matsakaici), daidaitaccen zane na zafi akan PCB yana da mahimmanci ga dogon lokaci na dogaro, musamman lokacin aiki a manyan yanayin zafi ko a manyan igiyoyin ruwa. Tabbatar da isasshen yanki na jan karfe a kusa da pad ɗin LED yana taimakawa wajen tarwatsa zafi.

9.3 Yanayin Aikace-aikace na Al'ada

Wannan LED ta dace da aikace-aikace masu yawa da suka haɗa da alamomin matsayi, hasken baya don gumaka ko alamomi, hasken panel, kayan lantarki na mabukaci, da siginar gabaɗaya. Dacewarta da hanyoyin atomatik ya sa ta zama manufa don samfuran masu yawa.

10. Kwatancen Fasaha da Bambance-bambance

Amfani da fasahar AlInGaP don hasken kore yana ba da fa'idodi fiye da na gargajiya na Gallium Phosphide (GaP) na tushen kore LEDs, yawanci suna samar da inganci mafi girma da fitarwa mai haske. Kusurwar kallo na digiri 120 ta fi yawa fiye da yawancin "babban alkibla" na LEDs, yana mai da shi mai amfani ga aikace-aikacen da ke buƙatar ganin faffadan kusurwa. Bayyananniyar dacewa tare da bayanan sake kwarara na ma'aunin JEDEC-IR ta bambanta shi da LEDs waɗanda ƙila su dace da gyarawa da hannu ko gyarawa kawai, yana daidaita shi da layukan haɗawa na SMT na zamani.

11. Tambayoyin da ake yawan yi (FAQ)

Q: Shin zan iya tuƙi wannan LED ba tare da resistor mai iyakance yanzu ba?

A: A'a. Ba a ba da shawarar aiki LED kai tsaye daga tushen ƙarfin lantarki ba kuma yana iya lalata na'urar saboda yawan yanzu. Koyaushe yi amfani da resistor na jere ko direba na yanzu na dindindin.

Q: Menene bambanci tsakanin tsayin tsayi da tsayin tsayi?

A: Tsayin tsayi (λP) shine tsayin tsayin da rarraba ikon gani ya fi girma. Tsayin tsayi (λd) an samo shi daga zanen launi na CIE kuma yana wakiltar tsayin tsayin gani guda ɗaya wanda ya dace da launin da ake gani na LED. λd ya fi dacewa don ƙayyadaddun launi.

Q: Ta yaya zan fassara lambar kwandon a cikin lambar sashi?

A: Takamaiman lambobin kwandon don VF, IV, da λd ba a haɗa su cikin ainihin lambar sashi LTST-M670KGKT ba. Ana sanya su yayin samarwa kuma ya kamata a ƙayyade su a lokacin oda bisa ga teburin kwandon da aka bayar a cikin takardun bayanin don tabbatar da cewa kun karɓi LEDs tare da halayen da kuke so.

Q: Shin gasa koyaushe yana da mahimmanci kafin gyarawa?

A: Ana buƙatar gasa kawai idan abubuwan sun kasance a cikin yanayin muhalli a waje da ainihin buhun su na hana danshi fiye da sa'o'i 168. Wannan shine don hana tsagewar fakitin da danshi ya haifar yayin aikin sake kwarara mai zafi.

12: Nazarin Shari'ar Zane da Amfani

Yi la'akari da zane don panel na matsayi mai yawa akan mai sarrafa masana'antu. Ana buƙatar LEDs na matsayi kore guda goma. Don tabbatar da daidaiton haske, ya kamata a zaɓi LEDs daga kwandon ƙarfin haske iri ɗaya (misali, R1: 112-140 mcd). Don sauƙaƙe da'irar direba, ana iya haɗa duk LEDs a layi ɗaya, kowannensu yana da nasa resistor mai iyakance yanzu wanda aka ƙididdige shi don samar da 5V: R = (5V - 2.4V) / 0.02A = 130 Ohms (ana iya amfani da daidaitaccen resistor 130 ko 150 Ohm). Tsarin PCB ya kamata ya haɗa da daidaitaccen geometry na pad kuma ya samar da wasu ƙananan alamomin taimakon zafi. Haɗin zai yi amfani da ƙayyadaddun bayanin sake kwarara na IR. Wannan hanya tana ba da garantin aikin gani mai daidaito da samarwa mai dogaro.

13. Gabatarwar Ka'idar Fasaha

LTST-M670KGKT ya dogara ne akan kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, 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 gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kuma yana ƙayyade tsayin tsayin hasken da aka fitar—a wannan yanayin, kore. Ruwan ruwa mai tsabta na epoxy ba shi da launi; aikinsa shine don kare mutuwar semiconductor, siffanta tsarin radiation zuwa faffadan kusurwar kallo, da haɓaka fitar da haske daga guntu.

14. Trends na Masana'antu da Ci gaba

Trend a cikin SMD LEDs don aikace-aikacen nuna alama yana ci gaba zuwa ga inganci mafi girma (ƙarin fitarwa na haske a kowace naúrar wutar lantarki), ƙananan girman fakitin don alluna masu yawa, da ingantaccen daidaiton launi ta hanyar ƙaramin kwandon. Hakanan akwai ƙaƙƙarfan tuƙi don ingantaccen dogaro a ƙarƙashin yanayi mai tsauri da dacewa da hanyoyin gyarawa marasa gubar, masu zafi. Matsi zuwa atomatik a cikin duk sassan masana'antu yana jaddada mahimmancin abubuwan kamar wannan waɗanda aka tsara don fakitin kaset da reel da gyarawa na sake kwarara, rage aikin hannu da ƙara yawan samarwa da daidaito.