Takardar Bayanin Fasaha na Fitilar LED LTLMH4TGX7DA - Girman 4.2x4.2x6.2mm - Ƙarfin Wutar Lantarki 2.9V - Wutar Lantarki 0.105W - Koriya 525nm - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na fitilar LED mai hawa a saman mai ƙarfin haske. An ƙera wannan na'urar a matsayin na'urar hawa a saman (SMD) wacce ta dace da tsarin haɗa SMT na yau da kullun da hanyoyin haɗa reflow na masana'antu. Ana ba da ita a cikin marufin da ya dace da aikace-aikacen da ke buƙatar tsarin radiyo mai sarrafawa ba tare da ƙarin na'urorin gani ba.

1.1 Fa'idodi na Asali

• Ƙarfin Hasken Haske:Yana ba da fitar da haske mai ƙarfi gwargwadon girman marufinsa.
• Ingantaccen Amfani da Wutar Lantarki:Yana da ƙarancin amfani da wutar lantarki da ingantaccen haske.
• Ƙarfafaffen Gina:Yana amfani da fasahar epoxy mai ci gaba wacce ke ba da mafi girman juriya ga danshi da kariya daga hasken UV.
• Daidaitawa da Muhalli:Samfurin ba shi da gubar, ba shi da halogen, kuma ya bi ka'idojin RoHS.
• Ƙunƙuntaccen Kallon Kallo:An ƙera ruwan tabarau na marufin don samar da ƙuntataccen kusurwar kallo (70/45° na yau da kullun), wanda ya sa ya dace da aikace-aikacen haske mai jagora kamar alamomi ba tare da buƙatar na'urorin gani na biyu ba.

1.2 Kasuwa da Aikace-aikace

Wannan LED an yi niyya ne da farko ga aikace-aikacen alamomi da nunawa inda amincin aiki, haske, da sarrafa rarraba haske suke da muhimmanci. Aikace-aikacen yau da kullun sun haɗa da:

• Alamomin saƙon bidiyo da nunawa.
• Alamomin zirga-zirga da jagora.
• Allunan saƙo da bayanai na gaba ɗaya.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wutar Lantarki (Pd):Matsakaicin 105 mW. Wannan shine jimillar wutar lantarki da marufin zai iya watsawa a matsayin zafi.
• Halin Gaba na Gaba:Halin gaba na DC an ƙididdige shi a 30 mA. Ana iya yarda da mafi girman halin gaba na gaba na 100 mA a ƙarƙashin yanayin bugun jini (duty cycle ≤ 1/10, faɗin bugun jini ≤ 10ms).
• Ragewar Zafin Jiki:Dole ne a rage mafi girman halin gaba na DC da layi 0.5 mA/°C don yanayin zafin muhalli (TA) sama da 45°C.
• Kewayon Zafin Jiki:Aiki: -40°C zuwa +85°C. Ajiya: -40°C zuwa +100°C.
• Hada Reflow:Yana jure mafi girman zafin jiki na 260°C na dakika 10, yana dacewa da daidaitattun bayanan reflow marasa gubar.

2.2 Halayen Lantarki da Na Gani

Ana auna waɗannan sigogi a yanayin zafin muhalli (TA) na 25°C kuma suna ayyana aikin na'urar a ƙarƙashin yanayin aiki na yau da kullun.

• Ƙarfin Hasken Haske (Iv):Ya bambanta daga 5000 mcd (ƙarami) zuwa 14500 mcd (matsakaici) a gwajin halin yanzu (IF) na 20 mA, tare da ƙimar yau da kullun na 9200 mcd. Ana amfani da jurewar gwaji na ±15% ga iyakokin kwandon shara.
• Ƙarfin Wutar Lantarki na Gaba (VF):Yawanci 2.9V, tare da kewayon daga 2.5V zuwa 3.5V a IF=20mA. Wannan sigogi yana da mahimmanci ga ƙirar direba da sarrafa zafi.
• Kusurwar Kallo (2θ1/2):70/45 digiri (na yau da kullun). Wannan tsari mara daidaituwa yana nuna ƙuntataccen katako a cikin axis ɗaya, wanda ya dace da wasu aikace-aikacen sa hannu.
• Matsakaicin Tsawon Tsawon Tsawon (λd):525 nm (na yau da kullun), yana ƙayyadaddun launin kore na LED da ake gani. Kewayon shine 520 nm zuwa 530 nm.
• Matsakaicin Tsawon Tsawon Tsawon (λP):Yawanci 517 nm, wanda ke wakiltar kololuwa a cikin rarraba ƙarfin bakan.
• Faɗin Raba-Biyu na Bakan (Δλ):Kimanin 35 nm, yana nuna tsaftar bakan na hasken kore.
• Halin Baya (IR):Matsakaicin 10 μA a ƙarfin wutar lantarki na baya (VR) na 5V. Ba a ƙera na'urar don aikin karkatar da baya ba; wannan gwajin don siffanta zubewa ne kawai.

2.3 Halayen Zafin Jiki

Ingantaccen sarrafa zafi yana da mahimmanci don kiyaye aikin LED da tsawon rai. Muhimman abubuwan da ake la'akari sun haɗa da:

• Iyakar rushewar wutar lantarki na 105 mW da lanƙwan ragewa da ke farawa a 45°C suna nuna buƙatar ingantaccen ƙirar zafi na PCB.
• Tsarin kushin haɗa da aka ba da shawarar ya haɗa da kushin zafi (P3) wanda aka yi niyya don haɗa shi da na'urar sanyaya ko tsarin sanyaya don rarraba zafin aiki.
• Ana ba da shawarar guje wa sanyaya cikin sauri bayan kololuwar zafin haɗa reflow don hana girgizar zafi ga marufi.

3. Ƙayyadaddun Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a aikace-aikacen samarwa, ana rarraba LED zuwa kwandon shara.

3.1 Rarrabuwar Ƙarfin Hasken Haske

Ana rarraba LED bisa ga ƙarfin hasken da aka auna a 20mA. Lambobin kwandon shara da kewayon sune:

• GV:5000 – 6500 mcd
• GW:6500 – 8500 mcd
• GX:8500 – 11100 mcd
• GY:11100 – 14500 mcd

Lura: Ana amfani da jurewar ±15% ga kowane iyakar kwandon shara.

3.2 Rarrabuwar Matsakaicin Tsawon Tsawon Tsawon

Hakanan ana rarraba LED ta hanyar matsakaicin tsawon tsawon su don sarrafa daidaiton launi:

• G1:520 – 525 nm
• G2:525 – 530 nm

Lura: Ana amfani da jurewar ±1 nm ga kowane iyakar kwandon shara.

4. Bincike na Lanƙwan Aiki

Yayin da aka ambaci takamaiman lanƙwan zane a cikin takarda (misali, Hoto na 1, Hoto na 6), ana iya ƙididdige halayen yau da kullun na wannan nau'in na'urar daga bayanan tebur:

• Dangantakar Lanƙwan IV:Ƙarfin wutar lantarki na gaba (VF) yana da alaƙa kai tsaye da halin gaba na gaba (IF). Yin aiki a yau da kullun 20mA yana haifar da VF na ~2.9V. Wucewa mafi girman halin yanzu zai ƙara faɗuwar wutar lantarki da rushewar wutar lantarki.
• Dogaro da Zafin Jiki:Ƙarfin haske yawanci yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Bukatar ragewa don halin gaba na gaba sama da 45°C alama ce kai tsaye ta wannan dangantaka, yana buƙatar sarrafa zafi don daidaitaccen fitar da haske.
• Rarraba Bakan:Tare da matsakaicin tsawon tsawon tsawon na 525nm da rabin faɗin bakan na ~35nm, LED yana fitar da hasken kore mai tsafta wanda ke tsakiya a cikin bakan kore.

5. Bayanin Injiniya & Marufi

5.1 Girman Bayyanawa

Marufin yana da ƙafar ƙafa mai rectangular tare da ruwan tabarau. Muhimman girma (a cikin mm) sun haɗa da:

• Girman Jiki: 4.2 ±0.2 (L) x 4.2 ±0.2 (W).
• Jimillar Tsayi: 6.2 ±0.5.
• Tazarar Jagora (inda jagororin suka fito daga marufi): 2.0 ±0.5.
• Ana ba da izinin mafi girman tsinkayar guduro na 1.0mm a ƙarƙashin flange.
• Jurewar gabaɗaya shine ±0.25mm sai dai idan an ƙayyade.

5.2 Gano Polarity & Ƙirar Kushin

• Polarity:Na'urar tana da kushin guda uku: P1 (Anode), P2 (Cathode), da P3 (Anode). P3 kuma yana aiki a matsayin babban kushin zafi.
• Tsarin Kushin da aka Ba da Shawara:Ƙafar ƙafar ta haɗa da babban kushin don P3 don sauƙaƙe canja wurin zafi zuwa PCB. Ana ba da shawarar radius fillet (R0.5) akan ƙirar kushin. An ƙera wannan LED don haɗa reflow kuma bai dace da haɗa tsoma ba.

6. Jagororin Hada & Haɗawa

6.1 Ajiya & Hancin Danshi

An ƙididdige na'urar a matakin Hancin Danshi 3 (MSL3) bisa ga JEDEC J-STD-020.

• Za a iya adana jakunkunan da ba a buɗe ba a <30°C / 90% RH har zuwa watanni 12.
• Bayan buɗewa, dole ne a haɗa abubuwan cikin sa'o'i 168 (kwanaki 7) lokacin da aka adana a <30°C / 60% RH.
• Ana buƙatar gasa a 60°C ±5°C na sa'o'i 20 idan katin nuna danshi ya nuna >10% RH, rayuwar bene ta wuce sa'o'i 168, ko fallasa zuwa >30°C / 60% RH. Ya kamata a yi gasa sau ɗaya kawai.
• LEDs da ba a yi amfani da su ba ya kamata a adana tare da busassun abu a cikin jakar shinge na danshi da aka sake rufewa.

6.2 Bayanin Hada Reflow

An ba da shawarar bayanin reflow mara gubar:

• Dumi/jiƙa:150°C zuwa 200°C na iya ɗaukar dakika 120.
• Lokacin Ruwa (tL):Lokacin sama da 217°C ya kamata ya zama 60-150 seconds.
• Matsakaicin Zafin Jiki (Tp):Matsakaicin 260°C.
• Lokaci a cikin 5°C na Kololuwa:Matsakaicin dakika 30.
• Jimillar Lokacin Hawan:Lokacin daga 25°C zuwa kololuwa bai kamata ya wuce mintuna 5 ba.

Muhimman Bayanan Hada:

• Kada a yi haɗa reflow fiye da sau biyu.
• Hada hannu da ƙarfe (matsakaicin 315°C na dakika 3) kada a yi fiye da sau ɗaya.
• Guɓewa amfani da damuwa na waje ga LED yayin haɗawa yayin da yake da zafi mai girma.
• Guɓewa sanyaya cikin sauri bayan kololuwar zafin jiki.

6.3 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da kaushi na barasa kamar isopropyl alcohol.

7. Bayanin Marufi da Oda

7.1 Ƙayyadaddun Tattarawa

Ana ba da LED akan tef ɗin ɗaukar kaya da aka yi ado da aka nannade akan reels.

• Girman Tef ɗin Daukar Kaya:Tazarar aljihu shine 8.0 mm, faɗin tef shine 16.0 mm.
• Ƙayyadaddun Reel:Reel na yau da kullun yana ɗauke da guda 1,000. Diamita na reel shine 330 mm ±2 mm.
• Gargadin ESD:An yiwa alamar marufi a matsayin mai ɗauke da Na'urori Masu Hancin Wutar Lantarki (ESD), yana buƙatar hanyoyin sarrafawa masu aminci.

8. Shawarwari na Aikace-aikace & Ƙira

8.1 Ƙirar Da'irar Tuƙi

LEDs na'urori ne masu aiki da halin yanzu. Don ingantaccen aiki da daidaiton ƙarfi, musamman lokacin haɗa LED da yawa a layi daya, ana ba da shawarar ƙwarai don amfani da resistor mai iyakance halin yanzu a jere tare da kowane LED. Wannan yana rama bambancin halitta a cikin ƙarfin wutar lantarki na gaba (VF) tsakanin na'urori guda ɗaya, yana hana cin halin yanzu da kuma tabbatar da daidaitaccen haske.

8.2 Sarrafa Zafin Jiki a cikin Ƙira

Ganin iyakar rushewar wutar lantarki da ragewar zafi:

• Haɗa kushin zafi da aka ba da shawarar (P3) cikin shimfidar PCB, haɗa shi da zubar da tagulla ko tsarin ta hanyar zafi na musamman don watsa zafi.
• Don tsararrun arrays masu yawa ko aikace-aikacen yanayin zafi mai girma, yi la'akari da ƙarin hanyoyin sanyaya.
• Saka idanu kan zafin haɗin gwiwar aiki don tabbatar da cewa ya kasance cikin iyakoki masu aminci don dogon lokacin aminci.

8.3 Haɗin Gani

Ruwan tabarau mai haɗaka yana ba da kusurwar kallo na 70/45°. Ya kamata masu ƙira su tabbatar da wannan tsarin katako ya cika buƙatun aikace-aikacen don rarraba haske da mazubin kallo. Don ƙunƙuntaccen tsari ko takamaiman tsari, har yanzu ana iya buƙatar na'urorin gani na biyu.

9. Kwatancin Fasaha & Bambance-bambance

Idan aka kwatanta da daidaitattun marufi na SMD ko PLCC (Plastic Leaded Chip Carrier), wannan fitilar hawa a saman tana ba da fa'idodi daban-daban:

• Haɗakar Sarrafa Gani:Marufin ya haɗa da ruwan tabarau da aka ƙera don takamaiman tsarin radiyo mai sarrafawa (ƙuntataccen kusurwar kallo), yana ragewa ko kawar da buƙatar ƙarin na'urorin gani na waje a yawancin aikace-aikacen sa hannu, wanda ke sauƙaƙa haɗawa da rage farashi.
• Babban Hasken Haske a cikin Tsarin SMD:Yana ba da matakan ƙarfin haske masu alaƙa da manyan LED ko rarrabuwa a cikin ƙaƙƙarfan marufi mai dacewa da SMT mai sarrafa kansa.
• Ƙarfi:Amfani da kayan epoxy na ci gaba yana haɓaka juriya ga danshi da UV idan aka kwatanta da wasu daidaitattun marufi na SMD, yana inganta dacewa don aikace-aikacen waje ko mawuyacin yanayi.

10. Tambayoyin da ake yawan yi (Bisa ga Sigogi na Fasaha)

10.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon Tsawon da Matsakaicin Tsawon Tsawon Tsawon?

Matsakaicin Tsawon Tsawon Tsawon (λP ~517nm) shine tsawon tsawon tsawon guda ɗaya wanda bakan fitarwa ya fi ƙarfi. Matsakaicin Tsawon Tsawon Tsawon (λd ~525nm) ƙima ce da aka samo daga ma'auni na launi akan zanen launi na CIE; yana wakiltar tsawon tsawon tsawon guda ɗaya wanda ya fi bayyana launin hasken da idon ɗan adam ke gani. Ga LED kore, λd sau da yawa yana da tsayi fiye da λP.

10.2 Zan iya tuƙa wannan LED a 30mA akai-akai?

Yayin da Matsakaicin Matsakaicin Matsayi na Halin Gaba na DC shine 30mA, ci gaba da aiki a wannan iyaka yana buƙatar ingantaccen sarrafa zafi don kiyaye zafin haɗin gwiwa cikin iyakoki masu aminci, saboda rushewar wutar lantarki zai kasance kusa da matsakaicin 105mW. Don ingantaccen aiki na dogon lokaci, tuƙi a ko ƙasa da yanayin gwaji na 20mA yana da kyau sai dai idan an tabbatar da ƙirar zafi sosai.

10.3 Me yasa ake buƙatar resistor mai iyakance halin yanzu ga kowane LED a layi daya?

Ƙarfin wutar lantarki na gaba (VF) yana da kewayon (2.5V zuwa 3.5V). Idan an haɗa LED da yawa kai tsaye a layi daya zuwa tushen wutar lantarki, LED tare da mafi ƙarancin VF zai ja mafi yawan halin yanzu, mai yuwuwar wuce ƙididdigansa da kasa, yana haifar da sarkar sarkar. Resistor na jere ga kowane LED yana taimakawa daidaita halin yanzu ta hanyar ƙara impedance na layi, yana tabbatar da raba halin yanzu da haske mafi daidaito.

11. Nazarin Ƙirar Aiki & Amfani

Yanayi: Ƙirar ƙuntataccen alamar bayanan zirga-zirga.

1. Zaɓin Bangaren:An zaɓi wannan LED saboda ƙarfin haskensa (don tabbatar da ganuwa a cikin hasken rana), launin kore (don "ci gaba" ko saƙonnin bayanai), da ƙuntataccen kusurwar kallo (don mai da hankali ga haske zuwa direbobi). Za a iya zaɓar kwandon shara na GY don matsakaicin haske.
2. Ƙirar Da'ira:An ƙera da'irar direba mai halin yanzu akai-akai. Kowane LED a cikin zaren yana da resistor na jere wanda aka ƙididdige shi bisa ga ƙarfin wutar lantarki da VF na yau da kullun (2.9V) a halin yanzu na aiki da ake so (misali, 18mA don gefe a ƙasa da yanayin gwaji na 20mA).
3. Shimfidar PCB:Ƙafar ƙafar PCB ta bi tsarin kushin da aka ba da shawarar. An haɗa kushin zafi (P3) zuwa babban yanki na tagulla akan allon tare da hanyoyin zafi zuwa tsarin ƙasa na ciki don yin aiki azaman mai yada zafi.
4. Haɗawa:An lura da ƙimar MSL3. Ana haɗa allunan ta amfani da tsarin reflow mai sarrafawa wanda ya bi bayanan kololuwa na 260°C. Ana amfani da reels da aka buɗe a cikin rayuwar bene na sa'o'i 168.
5. Sakamako:Alamar ta cimma haske mai haske, daidaitaccen haske tare da daidaitaccen launi a duk abubuwan saƙo, ingantaccen aiki a cikin kewayon zafin jiki mai faɗi, da tsawon rayuwar sabis saboda ingantaccen ƙirar zafi da lantarki.

12. Ƙa'idar Aiki

Wannan na'urar diode ce mai fitar da haske (LED). Tana aiki bisa ka'idar electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin gwiwar P-N, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (wanda ya ƙunshi InGaN don hasken kore). Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin yadudduka na semiconductor yana ƙayyade tsawon tsawon tsawon (launi) na hasken da aka fitar. Sa'an nan ruwan tabarau na epoxy mai haɗaka yana siffata da jagorantar wannan hasken da aka fitar zuwa tsarin katako da ake so.

13. Trends na Fasaha

Tsarin fitilar hawa a saman yana wakiltar ci gaba da ci gaba a cikin marufin LED:

• Ƙara Haɗin kai:Matsawa fiye da masu fitarwa masu sauƙi zuwa marufi waɗanda ke haɗa sarrafa gani (ruwan tabarau), kamar yadda aka gani a nan, yana rage rikitaccen tsarin.
• Mafi Girman Ingantaccen Aiki & Hasken Haske:Ci gaba da inganta a cikin epitaxy na semiconductor da fasahar phosphor (don fararen LED) suna haifar da mafi girman lumens kowace watt da mafi girman haske (haske kowace yanki na yanki) daga ƙananan marufi.
• Ƙarfafa Aminci:Haɓaka ƙarin kayan rufewa masu ƙarfi (kamar ci-gaba da epoxy da aka ambata) yana inganta juriya ga zagayowar zafi, danshi, da radiation na UV, yana faɗaɗa yanayin aikace-aikace.
• Daidaitawa don Sarrafa kansa:Tsarin SMT ya fi rinjaye, yana fifita sauri, haɗaɗɗen ɗauka da wuri mai sarrafa kansa, wanda ke rage farashin masana'antu da inganta daidaito.