Takardar Bayani na PLCC-2 LED Mai Duba Gege - Super Red - 1900mcd @ 50mA - Kwanan Duba 120° - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta bayyana cikakken bayanai game da LED mai haske mai ƙarfi, wanda ake dubawa daga gefe, a cikin kayan PLCC-2 (Plastic Leaded Chip Carrier) don haɗawa a saman allon. Na'urar tana fitar da haske a cikin kewayon launin Super Red kuma an ƙera ta don aikace-aikace masu ƙarfi, musamman a cikin masana'antar motoci. Babban manufarta shine samar da haske mai dogaro da kuma daidaitacce a wuraren da ke da ƙarancin sarari, inda kwanan dubu mai faɗi ya zama dole.

Babban fa'idodin wannan kayan shine ƙaramin girmansa, yawan hasken da yake fitarwa idan aka kwatanta da girmansa, da kuma ƙarfinsa wanda ya dace da ƙa'idodin dogaro na matakin mota. An tsara ta musamman don kasuwannin da ke buƙatar ingantaccen haske na ciki, kamar hasken baya na dashboard na mota, hasken maɓalli, da sauran ayyukan nuni a cikin ɗakin mota.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Halayen Hasken da Na'ura

Mahimman sigogi suna ayyana aikin LED a ƙarƙashin daidaitattun yanayin gwaji. Matsakaicin ƙarfin lantarki na gaba (V_F) shine 2.2V lokacin da aka yi amfani da shi a ƙarfin lantarki na gaba (I_F) na 50mA, tare da iyakar iyaka na 70mA. Babban fitarwar haske, ƙarfin haske (I_V), yana da ƙimar matsakaici na 1900 millicandelas (mcd) a 50mA, tare da kewayon daga 1400mcd (mafi ƙanƙanta) zuwa 2800mcd (mafi girma). Ana samun wannan ƙarfin haske a cikin kwanan dubu (φ) mai faɗi na digiri 120, wanda aka ayyana shi azaman kusurwar da ƙarfin haske ya ragu zuwa rabin ƙimar kololuwar sa. Tsawon zango mai rinjaye (λ_d) yana cikin rukunin Super Red, wanda aka ayyana tsakanin 627nm zuwa 639nm.

2.2 Halayen Zafi da Dogaro

Kula da zafi yana da mahimmanci ga tsawon rayuwar LED. Na'urar tana da juriya na zafi daga haɗin zuwa wurin solder (R_{th JS}) tare da ƙimomi biyu: ma'aunin lantarki na 60 K/W (matsakaici) da ma'auni na ainihi na 85 K/W (matsakaici). Matsakaicin zafin haɗin da aka halatta (T_J) shine 125°C, yayin da kewayon zafin yanayi na aiki (T_opr) yana daga -40°C zuwa +110°C. Don kariya daga zubar da lantarki (ESD), an ƙididdige kayan aikin don 2kV ta amfani da Tsarin Jikin Mutum (HBM), wanda shine matakin daidaitaccen matakin na'urori na masana'antu.

2.3 Matsakaicin Ƙimar Iyaka

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Sun haɗa da matsakaicin ɓarnawar wutar lantarki (P_d) na 193mW, matsakaicin ƙarfin lantarki na gaba (I_F) na 70mA, da ƙarfin lantarki na guguwa (I_FM) na 100mA don bugun jini ≤10μs. Ba a ƙera na'urar don aiki tare da lantarki mai juyawa ba. An ayyana matsakaicin zafin solder yayin sake kunnawa a matsayin 260°C na dakika 30.

3. Bayanin Tsarin Rarraba

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa rukunin aiki. Wannan takardar bayani tana ba da cikakken bayani game da rarraba sigogi biyu masu mahimmanci.

3.1 Rarraba Ƙarfin Hasken

An rarraba ƙarfin haske zuwa cikakken tsarin rarraba haruffa da lambobi, wanda ya kama daga ƙaramin fitarwa (L1, 11.2-14 mcd) zuwa babban fitarwa (GA, 18000-22400 mcd). Ga wannan nau'in samfur na musamman, an haskaka rukunin fitarwa masu yuwuwa, yana nuna cewa matsakaicin yawan samarwa yana cikin kewayon AA (1120-1400 mcd), AB (1400-1800 mcd), BA (1800-2240 mcd), da BB (2240-2800 mcd), wanda ya dace da ƙimar mafi ƙanƙanta/matsakaici/mafi girma da aka bayyana a cikin teburin halaye.

3.2 Rarraba Tsawon Zango Mai Rinjaye

Hakanan ana rarraba tsawon zango mai rinjaye ta amfani da tsarin lamba. Rukunin sun ƙunshi faffadan kewayon. Ga wannan Super Red LED, rukunin da suka dace suna cikin yankin 627nm, wanda ya dace da lambobi kamar '2427' (624-627nm) da '273' (farkon kewayon 627nm+ kamar yadda aka taƙaita tebur). Ana amfani da juzu'i na ±1nm ga ƙimar tsawon zango da aka rarraba.

4. Bincike na Lanƙwasa Aiki

Zane-zanen da aka bayar suna ba da mahimman bayanai game da halayen LED a ƙarƙashin yanayi daban-daban.

4.1 Lanƙwasa IV da Ƙarfin Dangantaka

Zane na Ƙarfin Lantarki na Gaba da Ƙarfin Lantarki na Gaba yana nuna alaƙar da ta dace da diodes. Zane na Ƙarfin Hasken Dangantaka da Ƙarfin Lantarki na Gaba yana nuna cewa fitarwar haske yana ƙaruwa tare da ƙarfin lantarki amma yana iya nuna tasirin da bai dace ba a matakan tuƙi mafi girma, yana mai da hankali kan mahimmanci na tuƙi na ƙarfin lantarki mai tsayi.

4.2 Dogaro da Zafin Jiki

Zane na Ƙarfin Hasken Dangantaka da Zafin Haɗin yana nuna ƙimar zafin jiki mara kyau; fitarwar haske yana raguwa yayin da zafin haɗin ya tashi. Akasin haka, zane na Ƙarfin Lantarki na Gaba Dangantaka da Zafin Haɗin yana nuna ƙimar mara kyau, inda V_Fya ragu tare da ƙaruwar zafin jiki. Hakanan tsawon zango yana canzawa tare da zafin jiki, kamar yadda aka nuna a cikin zane na Tsawon Zango Dangantaka da Zafin Haɗin.

4.3 Rarraba Bakan da Rage Ƙimar

Zane na Rarraba Bakan Dangantaka yana nuna ƙaramin kololuwar fitarwa na LED mai launi ɗaya. Lanƙwasa Rage Ƙimar Ƙarfin Lantarki na Gaba yana da mahimmanci don ƙira: yana ƙayyade matsakaicin ƙarfin lantarki na ci gaba da aka halatta bisa ga zafin da aka auna a wurin solder (T_S). Misali, a T_Sna 110°C, matsakaicin I_Fshine 55mA. Jadawalin Ƙarfin Gudanar da Bugun Jini da Aka Halatta yana ayyana iyakokin ƙarfin lantarki na guguwa don faɗin bugun jini daban-daban da sake zagayowar aiki.

5. Bayanin Injiniya da Marufi

5.1 Girman Injiniya

Kayan yana amfani da daidaitaccen marufi na PLCC-2 don haɗawa a saman allon wanda aka ƙera don fitar da haske daga gefe. An ayyana ainihin girmansa (tsayi, faɗi, tsayi, tazarar jagora, da sauransu) a cikin zanen injiniya, wanda ke da mahimmanci don ƙirar ƙafar PCB da kuma tabbatar da dacewa daidai a cikin taron.

5.2 Gano Polarity da Ƙirar Pad

Marufin PLCC-2 yana da mai nuna polarity da aka gina a ciki, yawanci tsaga ko kusurwa mai siffa a jikin marufi, wanda yayi daidai da cathode. An ba da shimfidar wurin solder da aka ba da shawarar don tabbatar da samuwar haɗin solder mai dogaro, kawar da zafi mai dacewa, da kwanciyar hankali na injiniya yayin da kuma bayan aikin sake kunnawa.

6. Jagororin Solder da Taro

6.1 Bayanin Yanayin Solder na Sake Kunnawa

An ba da shawarar takamaiman yanayin zafin solder na sake kunnawa don hana lalacewar zafi. Bayanin ya haɗa da dumama, jiƙa, sake kunnawa (tare da kololuwar zafin jiki bai wuce 260°C ba na dakika 30), da matakan sanyaya. Yin bin wannan bayanin yana da mahimmanci don kiyaye ingancin haɗin solder da dogaron LED.

6.2 Hattara don Amfani da Ajiya

Hattara na gaba ɗaya sun haɗa da guje wa damuwa na injiniya akan ruwan tabarau na LED, hana gurɓatawa, da kuma amfani da hanyoyin sarrafawa masu dacewa don rage haɗarin ESD. Yanayin ajiya ya kamata ya kasance a cikin ƙayyadaddun kewayon zafin jiki da ɗanɗano don hana lalacewar marufi da jagororin.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikacen su neHasken ciki na mota(misali, hasken baya na kayan aikin, maɓallan tsarin nishadi, hasken yanayi) daMaɓalli(maɓallan turawa masu haske, maɓallan dutse). Fitarwar gefensa da kuma kusurwa mai faɗi sun sa ya dace don jagororin haske na gefe ko kuma hasken kai tsaye na alamomi akan panel.

7.2 Abubuwan da Ake La'akari da Ƙira

Masu ƙira dole ne su yi la'akari da abubuwa da yawa:Tuƙin Ƙarfin Lantarki:Yi amfani da da'irar tuƙi na ƙarfin lantarki mai tsayi da aka saita zuwa 50mA ko ƙasa don mafi kyawun aiki da tsawon rayuwa.Gudanar da Zafi:Tabbatar da isasshen zubar da tagulla na PCB ko ramukan zafi don kawar da zafi daga wuraren solder, musamman lokacin aiki a yanayin zafi mai girma ko ƙarfin lantarki mai girma.Ƙirar Hasken:Kwanan dubu na 120° yana ba da ɗaukar hoto mai faɗi amma yana iya buƙatar jagororin haske ko masu watsawa don samun daidaitaccen haske akan takamaiman yanki.Juriya ga Sulfur:Ƙimar ƙarfin juriya na sulfur Class A1 yana da mahimmanci ga yanayin mota inda sulfur na yanayi zai iya lalata kayan tushen azurfa, wanda ke haifar da gazawa.

8. Bayanin Daidaito da Muhalli

Wannan samfurin ya dace da mahimman ƙa'idodin masana'antu da yawa:RoHS (Ƙuntata Abubuwa Masu Hadari):Yana iyakance amfani da takamaiman kayan da ke da haɗari.REACH (Rajista, Kimantawa, Izini da Ƙuntata Sinadarai):Ya dace da ƙa'idodin EU.Ba tare da Halogen ba:Ya cika ƙaƙƙarfan iyakoki akan abun ciki na Bromine (Br) da Chlorine (Cl).AEC-Q102:Wannan shine mahimmin cancanta don semiconductors na optoelectronic da aka ware a aikace-aikacen mota, yana tabbatar da dogaro a ƙarƙashin yanayin damuwa na mota.Ƙarfin Sulfur Class A1:Yana nuna babban matakin juriya ga yanayi mai ɗauke da sulfur.

9. Tambayoyin da Ake Yawan Yi (Dangane da Sigogi na Fasaha)

Q: Menene bambanci tsakanin 'Matsakaici.' da 'Mafi girma.' ƙarfin haske?

A: 'Matsakaici.' (1900mcd) yana wakiltar matsakaicin ƙimar daga samarwa a ƙarƙashin yanayin gwaji. 'Mafi girma.' (2800mcd) shine babban iyaka na ƙayyadaddun kewayon rarraba. Rukunin mutum ɗaya zai bambanta a cikin kewayon da aka rarraba (misali, BA, BB).

Q: Zan iya tuƙa wannan LED a 70mA akai-akai?

A: Duk da yake 70mA shine matsakaicin ƙimar iyaka, ba a ba da shawarar aiki akai-akai a wannan matakin ba. Dole ne a duba lanƙwasa rage ƙimar. A zafin wurin solder na 106°C, matsakaicin ƙarfin lantarki na ci gaba da aka halatta shine 55mA kawai. Don aiki mai dogaro na dogon lokaci, ƙira a kusa da matsakaicin ƙarfin lantarki na tuƙi na 50mA.

Q: Me ya sa ƙimar ƙarfin juriya na sulfur ke da mahimmanci don amfani da mota?

A> Dakunan mota da wuraren ƙarƙashin hula na iya ƙunsar mahaɗan sulfur daga kayan kamar roba da wasu man shafawa. Waɗannan mahaɗan na iya samar da sulfide na azurfa akan tashoshin LED, ƙara juriya da haifar da gazawa. Ƙimar Class A1 tana tabbatar da gwaji da aiki a ƙarƙashin irin waɗannan yanayi.

Q: Ta yaya zan fassara lambobin rarraba a cikin oda?

A> Lambar sashe mai yiwuwa ta haɗa da lambobi da ke ƙayyade rukunin ƙarfin haske (misali, BA) da rukunin tsawon zango mai rinjaye (misali, 273). Wannan yana ba masu ƙira damar zaɓar daidaitaccen matakin aikin da ake buƙata don aikace-aikacensu don tabbatar da daidaiton launi da haske a cikin raka'a da yawa.

10. Ka'idar Aiki da Trends na Fasaha

10.1 Ka'idar Aiki ta Asali

LED diode ne na semiconductor p-n junction. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). Tsawon zango (launi) na hasken da aka fitar yana ƙaddara ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su (misali, AlInGaP don ja/lemu/rawaya). Marufin PLCC ya haɗa da kogon nuna haske da ruwan tabarau na epoxy don siffanta fitarwar haske zuwa tsarin fitarwa mai faɗi.

10.2 Trends na Masana'antu

Trend a cikin irin waɗannan abubuwan yana zuwa gaingantacciyar inganci(ƙarin lumens kowace watt), yana ba da damar ƙarancin ƙarfin lantarki da rage nauyin zafi.Ingantacciyar daidaiton launida ƙaƙƙarfan juzu'i na rarraba suna da mahimmanci don aikace-aikacen da ke buƙatar kamanni iri ɗaya.Ƙa'idodin Dogaro da aka Ingantafiye da AEC-Q102, kamar gwajin tsawon rayuwa da ƙimar zafin jiki mafi girma, ana buƙatar su.Haɗawawani trend ne, tare da direbobi ko guntuwar LED da yawa ana haɗa su cikin guda ɗaya. A ƙarshe, akwai ci gaba da turawa donƙananan ƙirayayin da ake kiyayewa ko ƙara fitarwar haske.