Takardar Bayanin Fasaha na Fitilar LED LTLMH4ERADA - Girman 4.2x4.2x6.2mm - Ƙarfin Wuta 1.8-2.4V - Ja 626nm - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta cika bayanin ƙayyadaddun bayanai don fitilar LED mai haɗawa a saman allon mai haske sosai. An ƙera shi don dacewa da daidaitattun hanyoyin haɗa SMT, wannan na'urar tana ba da ingantaccen mafita don aikace-aikacen da ke buƙatar ingantaccen fitar da haske da ingantaccen aiki. Fitilar LED tana da ƙirar fakitin da aka ƙera don ba da tsarin radiyo da aka sarrafa wanda ya dace da alamu ba tare da buƙatar ƙarin na'urorin gani na biyu ba.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan LED sun haɗa da fitar da ƙarfin haske mai girma tare da ƙarancin amfani da wutar lantarki, wanda ke haifar da ingantacciyar aiki. An gina fakitin ta amfani da fasahar epoxy mai ci gaba, yana ba da mafi girman juriya ga danshi da kariya daga UV, yana haɓaka dorewarsa don yanayi masu wahala. Ya dace da ƙa'idodin marasa gubar, marasa halogen, da ƙa'idodin RoHS. An yi niyya ta musamman ga aikace-aikace kamar alamar saƙon bidiyo, alamomin zirga-zirga, da sauran allunan nuna bayanai inda gani da amincin suke da mahimmanci.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

Cikakken bincike na iyakokin aiki da halayen aikin na'urar a ƙarƙashin daidaitattun yanayi (TA=25°C).

2.1 Matsakaicin Matsakaicin Matsakaici

• Rushewar Wutar Lantarki:Matsakaicin 120 mW.
• Halin Gaba:Matsakaicin 50 mA DC. Matsakaicin halin gaba na 120 mA yana yiwuwa a ƙarƙashin yanayin bugun jini (duty cycle ≤1/10, faɗin bugun ≤10ms).
• Ragewar Zafin Jiki:Dole ne a rage halin gaba na DC da layi da 0.75 mA/°C don yanayin yanayi sama da 45°C.
• Kewayon Zafin Jiki:Aiki daga -40°C zuwa +85°C; ajiya daga -40°C zuwa +100°C.
• Haɗa Solder Reflow:Yana jure matsakaicin bayanin martaba na 260°C matsakaicin zafin jiki na dakika 10.

2.2 Halaye na Lantarki da na Gani

Mahimman ma'auni na aiki da aka auna a daidaitaccen gwajin halin yanzu na IF=20mA.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙarancin 1500 mcd zuwa matsakaicin 4200 mcd, tare da ƙimar da aka saba da ita ta binning. Ma'aunin yana bin lanƙwasa amsawar ido na CIE.
• Kusurwar Dubawa (2θ1/2):An ƙayyade kusurwar dubawa ta yau da kullun a matsayin 100/40°, yana nuna tsarin radiyo na kwai. Ƙimar ma'auni ita ce ±2 digiri.
• Tsawon Tsawon Tsawon:Matsakaicin tsayin fitar da haske (λP) yawanci 634 nm ne. Matsakaicin tsayin tsawon (λd) ya bambanta daga 618 nm zuwa 630 nm, yana bayyana launin ja da ake gani, wanda ya ta'allaka a kusa da 626nm.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 15 nm.
• Ƙarfin Wuta na Gaba (VF):Ya bambanta daga 1.8 V zuwa 2.4 V a 20mA.
• Halin Baya (IR):Matsakaicin 10 μA a ƙarfin baya (VR) na 5V. Ba a ƙera na'urar don aikin bias na baya ba.

3. Ƙayyadaddun Tsarin Binning

Don tabbatar da daidaito a aikace-aikace, ana rarraba LED ɗin zuwa kwandon asusun mahimman ma'auni.

3.1 Binning Ƙarfin Hasken

Ana rarraba LED ɗin zuwa kwandon asusun huɗu (R, S, T, U) dangane da mafi ƙarancin ƙarfin haskensu da mafi girma a IF=20mA. Iyakokin kwandon asusun suna da juriya na gwaji na ±15%.

• Kwandon R:1500 - 1900 mcd
• Kwandon S:1900 - 2500 mcd
• Kwandon T:2500 - 3200 mcd
• Kwandon U:3200 - 4200 mcd

An yiwa kowane jakar tattarawa alamar lambar kwandon asusun don bin sawu.

3.2 Binning Ƙarfin Wuta na Gaba

Hakanan ana rarraba LED ɗin ta ƙarfin wuta na gaba zuwa nau'ikan uku (1A, 2A, 3A) a IF=20mA, tare da juriya na ±0.1V akan kowane iyaka.

• Kwandon 1A:1.8 - 2.0 V
• Kwandon 2A:2.0 - 2.2 V
• Kwandon 3A:2.2 - 2.4 V

4. Bincike na Lanƙwasa Aiki

Lanƙwasan aiki na yau da kullun suna kwatanta dangantakar tsakanin mahimman ma'auni. Waɗannan lanƙwasan suna da mahimmanci ga injiniyoyin ƙira don hasashen halayen a ƙarƙashin yanayi marasa daidaito.

4.1 Ƙarfin Hasken vs. Halin Gaba

Lanƙwasa yana nuna dangantakar da ba ta layi ba tsakanin halin gaba (IF) da ƙarfin haske (Iv). Ƙarfin yana ƙaruwa tare da halin yanzu amma dole ne masu ƙira su kasance cikin ƙayyadaddun matsakaicin halin yanzu don tabbatar da tsawon rayuwa.

4.2 Ƙarfin Wuta na Gaba vs. Halin Gaba

Wannan lanƙwasa halayya tana nuna dangantakar V-I mai ma'ana na diode. Fahimtar wannan yana da mahimmanci don ƙirar daidaitaccen kewayen iyakance halin yanzu.

4.3 Rarraba Bakan

Lanƙwasa rarraba ƙarfin bakan ya ta'allaka a kusa da matsakaicin tsayin tsawon 634 nm tare da rabin faɗin na yau da kullun na 15 nm, yana tabbatar da fitar da ja mai kunkuntar bandeji.

5. Bayanin Injiniya da Fakitin

5.1 Girman Bayyanar

Na'urar tana da ƙaramin ƙafar haɗawa a saman allon. Mahimman girmansa sun haɗa da girman jiki na 4.2mm ±0.2mm a tsayi da faɗi, da jimillar tsayi na 6.2mm ±0.5mm gami da ruwan tabarau. Ƙafafun suna da tazara na 2.0mm ±0.5mm inda suka fito daga fakitin. Duk girmansu suna cikin milimita, tare da juriya na gabaɗaya na ±0.25mm sai dai idan an ƙayyade.

5.2 Gano Polarity da Ƙirar Pad

Na'urar tana da fil ɗin ƙafafu uku: P1 (Anode), P2 (Cathode), da P3 (Anode). Ana ba da shawarar haɗa Pin P3 zuwa ma'aunin zafi ko tsarin sanyaya akan PCB don taimakawa wajen sarrafa zafi yayin aiki. An ba da shawarar tsarin fil ɗin solder don tabbatar da ingantaccen haɗa da aikin zafi.

6. Jagororin Haɗa da Haɗawa

6.1 Ajiya da Hancin Danshi

Ana rarraba wannan ɓangaren a matsayin Matakin Hancin Danshi 3 (MSL3) bisa ga JEDEC J-STD-020. LED ɗin da ke cikin jakar shinge na danshi da ba a buɗe ba ana iya adana su har zuwa watanni 12 a <30°C da 90% RH. Bayan buɗewa, dole ne a kiyaye na'urorin a <30°C da 60% RH kuma dole ne a haɗa su cikin sa'o'i 168 (kwanaki 7). Ana buƙatar gasa a 60°C ±5°C na sa'o'i 20 idan katin nuna alamar danshi ya nuna >10% RH, rayuwar bene ta wuce sa'o'i 168, ko kuma idan an fallasa shi zuwa >30°C/60% RH. Ya kamata a yi gasa sau ɗaya kawai.

6.2 Bayanin Martaba na Haɗa Solder Reflow

Ana ba da shawarar bayanin martaba na haɗa solder maras gubar:

• Dumi/Ifa:150°C zuwa 200°C na matsakaicin dakika 120.
• Lokacin Liquidous (tL):Lokacin sama da 217°C ya kamata ya zama dakika 60-150.
• Matsakaicin Zafin Jiki (Tp):Matsakaicin 260°C.
• Lokacin sama da Matsakaicin Rarrabuwa (Tc=255°C):Matsakaicin dakika 30.
• Jimillar Lokaci daga 25°C zuwa Kololuwa:Matsakaicin mintuna 5.

Haɗa solder reflow ba dole ba ne a yi sama da sau biyu. An ƙera na'urar don haɗa solder reflow kuma bai dace da haɗa solder ba.

6.3 Tsaftacewa da Sarrafawa

Idan tsaftacewa ya zama dole, yi amfani da kaushi na tushen barasa kamar isopropyl alcohol. Guji amfani da matsin lamba na injiniya akan LED yayin haɗawa yayin da yake da zafi mai zafi, kuma guji sanyaya cikin sauri daga matsakaicin zafin jiki.

7. Bayanin Fakitin da Oda

7.1 Ƙayyadaddun Fakitin

Ana ba da LED ɗin akan tef ɗin ɗaukar kaya da aka zana a cikin reel. Reel ɗin ya ƙunshi jimillar guda 1,000. An ba da cikakkun bayanai na girman tef ɗin ɗaukar kaya, gami da girman aljihu, tazarar, da girmansu (misali, diamita na reel 330mm). An yiwa fakitin alamar gargadi na \"Na'urori Masu Hancin Lantarki\".

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da aikace-aikacen alamu na cikin gida da na waje, gami da alamun saƙon bidiyo, alamomin zirga-zirga, da sauran allunan nuna saƙo na gabaɗaya. Ƙarfinsa mai haske da sarrafa kusurwar dubawa sun sa ya zama kyakkyawa don aikace-aikacen da ke buƙatar kyakkyawar gani.

8.2 Ƙirar Kewayen Turawa

LED ɗin na'urori ne masu aiki da halin yanzu. Don tabbatar da daidaiton haske lokacin haɗa LED ɗin da yawa a layi daya, ana ba da shawarar sosai don amfani da resistor mai iyakance halin yanzu a jere tare da kowane LED na musamman. Turawa LED ɗin a layi daya ba tare da resistors na musamman ba na iya haifar da cinye halin yanzu da rashin daidaiton haske saboda ƙananan bambance-bambance a cikin ƙarfin wuta na gaba (Vf) tsakanin na'urori.

8.3 Abubuwan da Ake Kula da Gudanar da Zafin Jiki

Duk da yake na'urar tana da ƙayyadaddun ɓarnar wutar lantarki, ingantaccen sarrafa zafi ta hanyar PCB yana da mahimmanci don kiyaye aiki da tsawon rayuwa, musamman a yanayin zafi mafi girma ko halayen turawa. Yin amfani da shawarar fil ɗin don pin P3 don haɗawa zuwa jirgin zafi ko ma'aunin zafi shine muhimmin aikin ƙira.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun fakitin SMD ko PLCC (Plastic Leaded Chip Carrier), wannan fitilar haɗawa a saman allon tana ba da fa'ida mai mahimmanci a sarrafa gani. Fakitin ruwan tabarau na haɗin gwiwar yana ba da tsarin radiyo mai santsi da sarrafa kusurwar dubawa mai kunkuntar ba tare da buƙatar ƙarin ruwan tabarau na gani na waje ba. Wannan yana sauƙaƙa ƙirar samfurin ƙarshe, yana rage adadin sassa, kuma yana iya rage jimillar kuɗin haɗawa yayin ba da haske da aka yi niyya.

10. Tambayoyin da Ake Yi Akai-akai (Dangane da Ma'auni na Fasaha)

10.1 Menene bambanci tsakanin matsakaicin tsayin tsawon da matsakaicin tsayin tsawon?

Matsakaicin tsayin tsawon (λP) shine tsayin tsawon lokacin da mafi girman ƙarfin gani ya kasance matsakaici (yawanci 634nm a nan). Matsakaicin tsayin tsawon (λd) an samo shi daga zanen launi na CIE kuma yana wakiltar tsayin tsawon guda ɗaya wanda ke bayyana launin hasken da ake gani (618-630nm a nan, ya ta'allaka akan 626nm). Matsakaicin tsayin tsawon ya fi dacewa don ƙayyadaddun launi.

10.3 Shin Zan iya turawa wannan LED ba tare da resistor mai iyakance halin yanzu ba?

A'a. Ba a ba da shawarar aiki da LED kai tsaye daga tushen wutar lantarki kuma zai iya lalata na'urar saboda wuce gona da iri na halin yanzu. Resistor na jere ko direba mai halin yanzu na yau da kullun wajibi ne don aiki mai aminci.

10.3 Me yasa akwai juriya na ±15% akan iyakokin kwandon ƙarfin haske?

Wannan juriya yana lissafin bambance-bambancen ma'auni a cikin yanayin gwajin samarwa. Yana tabbatar da cewa duk na'urorin da aka yiwa lakabi a cikin takamaiman kwandon asusun za su yi aiki a cikin ƙayyadadden kewayon ƙarfi lokacin da aka auna su a ƙarƙashin daidaitattun yanayi.

11. Ƙira Mai Amfani da Lamarin Amfani

Yanayi: Ƙirar Alamar Fita Mai Ganewa.Wani injiniya ya zaɓi wannan LED don sabon ƙirar alamar fita da ke buƙatar haske mai girma da tsawon rayuwa. Sun zaɓi LED ɗin daga kwandon asusun \"T\" don ingantaccen fitarwa mai girma. A cikin ƙirar kewayen, suna amfani da direba mai halin yanzu na yau da kullun da aka saita zuwa 20mA kowane jerin LED. Suna sanya LED ɗin da yawa a jere a cikin kowane jerin don biyan buƙatun wutar lantarki, suna guje wa haɗin kai ba tare da resistors na musamman ba. A kan shimfidar PCB, suna bin shawarar tsarin fil ɗin, suna haɗa fil ɗin P3 na kowane LED zuwa babban zubar da tagulla don watsar da zafi. Suna ƙayyade gidan haɗin PCBA wanda ke bin bayanin martaba da aka bayar kuma suna tabbatar da cewa ana amfani da kayan aiki a cikin sa'o'i 168 na rayuwar bene bayan an buɗe jakar shinge na danshi.

12. Gabatar da Ka'idar Aiki

Wannan na'urar fitilar diode ce mai haskakawa (LED). Tana aiki bisa ka'idar electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin wuta na gaba a kan haɗin P-N, electrons suna sake haɗuwa tare da ramuka, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman kayan semiconductor da aka yi amfani da su (AllnGaP - Aluminum Indium Gallium Phosphide) suna ƙayyade launin hasken da aka fitar, a wannan yanayin, ja tare da matsakaicin tsayin tsawon kusan 626nm. Fakitin epoxy yana rufe die na semiconductor, yana ba da kariya ta injiniya, kuma ya haɗa da ruwan tabarau don siffanta fitar da haske.

13. Trends na Fasaha

Fasahar LED ta haɗawa a saman allon da wannan na'urar ke wakilta tana ci gaba da haɓakawa. Trends na masana'antu na gabaɗaya sun haɗa da ci gaba da inganta ingancin haske (ƙarin fitar da haske kowace watt na shigar da lantarki), wanda ke haɓaka ingantaccen amfani da makamashi. Hakanan ana mai da hankali kan inganta daidaiton launi da kwanciyar hankali a tsawon rayuwar na'urar. Ci gaban fasahar fakitin yana nufin samar da ingantaccen sarrafa zafi, yana ba da damar mafi girman halayen turawa da yawan wutar lantarki daga ƙananan ƙafafu. Bugu da ƙari, daidaitawar ƙafafu da halayen gani yana sauƙaƙa ƙira don injiniyoyi a cikin aikace-aikacen haske da nuni daban-daban.