Takardar Bayani na Fasaha ta LTL-M11KG1H310U - Mai Nuna LED Kore SMT - Mai Riƙe Kusa da Kusa - Ƙarfin Wutar Lantarki 2.0V - Ƙarfin Wuta 72mW

1. Duba Abun Samfur

LTL-M11KG1H310U shine Mai Nuna Allon Kewayawa (CBI) wanda aka tsara don haɗaɗɗiyar fasahar haɗawa ta saman (SMT). Ya ƙunshi mai riƙe baƙin filastik kusa da kusa (gida) wanda ya haɗa da fitilar LED kore mai inganci. Wannan ɓangaren an ƙera shi don aikace-aikacen da ke buƙatar bayyanannen nuni na yanayin gani a cikin ƙaramin fakitin allon.

1.1 Fa'idodi na Asali

• ):):
• ):Gidan filastik baƙar fata yana ba da babban bangon bambanci, yana inganta ganuwa da haske da ake gani na LED.
• Inganci Mai Girma:Yana amfani da fasahar guntu kore AlInGaP tare da ruwan tabarau mai watsawa fari don rarraba haske mai daidaito da faɗi.
• Daidaitaccen Muhalli:Wannan samfurin ba shi da gubar kuma ya dace da umarnin RoHS.
• Tsarin Mai Haɗawa:Tsarin gidan yana ba da damar ƙirƙirar jeri na tsaye ko na kwance, yana ba da sassauci a cikin tsarin allon.

1.2 Aikace-aikacen Manufa

Wannan mai nuna yana dacewa da kewayon kayan aikin lantarki, ciki har da:

• Na'urorin kwamfuta da allunan uwa
• Na'urorin sadarwa (masu tafiyar da hanya, masu sauya, modem)
• Kayan lantarki na masu amfani
• Allunan sarrafa masana'antu da kayan aikin ma'auni

2. Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Ƙimar Cikakke

Waɗannan ƙimar suna bayyana iyakokin da za su iya haifar da lalacewar dindindin ga na'urar. Ba a tabbatar da aiki a ƙarƙashin waɗannan sharuɗɗan ba.

• Rushewar Wuta (P_D):72 mW
• Matsakaicin Halin Gaba (I_FP):80 mA (Duty Cycle ≤ 1/10, Faɗin bugun jini ≤ 0.1ms)
• Ci gaba da Halin Gaba (I_F):30 mA DC
• Kewayon Zafin Aiki (T_opr):-40°C zuwa +85°C
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +100°C
• Zafin Sanyawa na Jagora:260°C na matsakaicin dakika 5, an auna shi 2.0mm daga jikin LED.

2.2 Halayen Lantarki da Hasken Gani

An auna shi a zafin yanayi (T_A) na 25°C da halin gaba (I_F) na 10mA, sai dai idan an faɗi.

• Ƙarfin Hasken Gani (I_V):3 mcd (Mafi ƙanƙanta), 8 mcd (Na al'ada), 23 mcd (Mafi girma). An yiwa alamar lambar rarrabuwa a kan jakar tattarawa.
• Kusurwar Dubawa (2θ_1/2):Digiri 40. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar sa na axial.
• Matsakaicin Tsawon Tsawon Tsawon (λ_P):575 nm (Na al'ada).
• Matsakaicin Tsawon Tsawon Tsawon (λ_d):564.5 nm (Mafi ƙanƙanta), 571 nm (Na al'ada), 576.5 nm (Mafi girma). Wannan yana bayyana launin da ake gani.
• Faɗin Rabe-raben Rabe-raben (Δλ):15 nm (Na al'ada).
• Ƙarfin Lantarki na Gaba (V_F):1.8V (Mafi ƙanƙanta), 2.0V (Na al'ada), 2.4V (Mafi girma) a I_F=10mA.
• Halin Baya (I_R):10 μA (Mafi girma) a V_R=5V.Lura:Ba a tsara wannan na'urar don aiki a ƙarƙashin bambance-bambancen baya ba.

3. Bayanin Injiniya da Marufi

3.1 Girman Bayyanar

Bangaren yana da tsarin kusurwa kusa da kusa. Muhimman bayanan girma sun haɗa da:

• Duk girma suna cikin milimita, tare da juzu'i na gabaɗaya na ±0.25mm sai dai idan an faɗi.
• Kayan gidan shine filastik baƙi.
• LED ɗin da aka haɗa yana fitar da launin kore (kore-rawaya) ta hanyar ruwan tabarau mai watsawa fari.

3.2 Ƙayyadaddun Marufi

Ana ba da LED ɗin akan tef da reel don haɗawa ta atomatik.

• Tef ɗin Mai ɗauka:Alloy polystyrene mai ɗaukar lantarki baƙi, mai kauri 0.40mm.
• Girman Reel:Madaidaicin diamita na inci 13 (330mm).
• Adadin kowane Reel:Guda 1,400.
• Babban Tattarawa:Ana tattara reel ɗaya tare da busassun abu da katin nuna ɗanɗano a cikin Jakar Kariya daga Danshi (MBB). Ana tattara MBB guda uku a cikin akwati ɗaya na ciki (gabaɗaya 4,200). Ana tattara akwatuna goma na ciki a cikin akwati ɗaya na waje (gabaɗaya 42,000).

4. Jagororin Haɗawa da Sarrafawa

4.1 Yanayin Ajiya

• Fakitin da aka rufe:Ajiye a ≤30°C da ≤70% RH. Yi amfani da shi cikin shekara guda bayan ranar rufe jakar.
• Fakitin da aka buɗe:Ajiye a ≤30°C da ≤60% RH. Ya kamata a sake kunna ɓangarorin IR cikin sa'o'i 168 (kwanaki 7) bayan buɗe MBB.
• Ajiya mai Tsayi (An Buɗe):Don ajiya fiye da sa'o'i 168, ajiye a cikin akwati da aka rufe tare da busassun abu ko a cikin na'urar bushewa nitrogen. Ana buƙatar gasa a 60°C na aƙalla sa'o'i 48 kafin haɗa SMT.

4.2 Tsarin Sanyawa

Sanyawa da Hannu:Matsakaicin zafin ƙarfe na 300°C na matsakaicin dakika 3. Yi amfani da shi sau ɗaya kawai.

Sanyawa Sake Kunna:Bi matsayin zafin jiki mai dacewa da JEDEC. Muhimman ma'auni sun haɗa da:

• Dumama/jiƙa:150°C zuwa 200°C sama da matsakaicin dakika 100.
• Lokaci Sama da Ruwa (T_L=217°C):60 zuwa 150 dakika.
• Matsakaicin Zafin Jiki (T_P):260°C matsakaici.
• Lokaci a cikin 5°C na Ƙayyadaddun Zafin Rarrabuwa (T_C=255°C):Matsakaicin dakika 30.
• Jimlar Lokaci daga 25°C zuwa Kololuwa:Matsakaicin mintuna 5.

Hattara:Yawan zafi ko lokaci na iya lalata ruwan tabarau ko haifar da gazawar LED mai tsanani. Matsakaicin zafin sake kunnawa ba nuni ne da zafin juyawa na mai riƙe ba.

4.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan sanyawa, yi amfani da kaushi na tushen barasa kamar isopropyl alcohol. Guji masu tsaftacewa masu tsauri ko masu gogewa.

5. Aikace-aikace da Ƙirar Kewayawa

5.1 Hanyar Tuƙi

LEDs na'urori ne masu tuƙi na halin yanzu. Don tabbatar da daidaiton haske, musamman lokacin tuƙa LEDs da yawa a layi daya, dole ne a yi amfani da resistor mai iyakancewa halin yanzu a jere tare da kowane LED. Ƙimar resistor (R) za a iya ƙididdige ta ta hanyar Dokar Ohm: R = (V_supply- V_F) / I_F, inda V_Fshine ƙarfin lantarki na gaba na LED kuma I_Fshine halin yanzu na aiki da ake so (misali, 10mA).

5.2 Abubuwan da ake la'akari da Ƙira

• Sarrafa Halin Yanzu:Koyaushe ku tuƙa tare da halin yanzu na dindindin ko tushen ƙarfin lantarki tare da resistor a jere. Haɗin kai kai tsaye zuwa tushen ƙarfin lantarki wanda ya wuce V_Fzai haifar da yawan halin yanzu da gazawar sauri.
• Gudanar da Zafin Jiki:Duk da cewa rushewar wuta yana da ƙasa, tabbatar da cewa ba a wuce matsakaicin zafin haɗuwa a cikin yanayin yanayi mai zafi ta hanyar bin ƙayyadaddun halin yanzu na aiki.
• Hattarori na ESD:Ko da yake ba a bayyana shi a sarari don wannan na'urar ba, ana ba da shawarar hattarorin sarrafa ESD na al'ada don na'urorin semiconductor yayin haɗawa.

6. Lanƙwasa Ayyuka da Halaye

Takardar bayani tana nuni zuwa lanƙwasa ayyuka na al'ada waɗanda ke nuna alaƙar tsakanin mahimman ma'auni. Duk da cewa ba a ƙididdige takamaiman zane-zane a cikin rubutun da aka bayar ba, irin waɗannan lanƙwasan yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken Gani da Halin Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, yawanci a cikin hanyar da ba ta da layi a manyan halayen yanzu.
• Ƙarfin Lantarki na Gaba da Halin Gaba:Yana nuna halayen I-V na diode.
• Dangantakar Ƙarfin Hasken Gani da Zafin Yanayi:Yana kwatanta raguwar fitar da haske yayin da zafin haɗuwa ya tashi.
• Rarraba Rabe-raben:Zane da ke nuna ƙarfin hasken da aka fitar a faɗin tsayin daban-daban, wanda ya ta'allaka ne a kusa da matsakaicin tsayin tsawon 571nm.

Waɗannan lanƙwasan suna da mahimmanci ga masu ƙira don hasashen aiki a ƙarƙashin sharuɗɗan da ba daidai ba (halayen tuƙi daban-daban ko zafin jiki) da kuma inganta kewayawa don inganci da tsawon rai.

7. Kwatancen Fasaha da Matsayi

LTL-M11KG1H310U ya bambanta kansa ta hanyar haɗaɗɗiyar fakitin SMT kusa da kusa. Idan aka kwatanta da LEDs masu rabuwa waɗanda ke buƙatar masu riƙe daban ko tsayawa, wannan mafita ta CBI tana ba da:

• Haɗawa Mai Sauƙi:Bangare ɗaya yana maye gurbin LED da mai riƙe, yana rage adadin sassa da matakan haɗawa.
• Daidaitaccen Daidaitawa:Gidan da aka haɗa yana tabbatar da daidaitaccen daidaitaccen matsayin LED dangane da PCB da yankewar allon.
• Ingantaccen Dubawa:Tsarin kusurwa kusa da kusa yana dacewa da aikace-aikacen inda dole ne a duba mai nuna daga allon gaban akwati, daidai da babban PCB.
• Haɓaka Bambanci:Gidan baƙi fa'ida ce mafi mahimmanci fiye da gidaje masu tsabta ko fari, yana inganta karantawa sosai a cikin yanayin haske daban-daban.

8. Tambayoyin da ake yawan yi (FAQ)

8.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon Tsawon da Matsakaicin Tsawon Tsawon Tsawon?

Matsakaicin Tsawon Tsawon Tsawon (λ_P):Matsakaicin tsawon tsawon tsawon guda ɗaya wanda rarraba ƙarfin rarraba rarraba ya kasance matsakaici (575nm na al'ada).Matsakaicin Tsawon Tsawon Tsawon (λ_d):Matsakaicin tsawon tsawon tsawon guda ɗaya wanda, lokacin da aka haɗa shi da hasken fari na tunani, ya dace da launin da ake gani na LED. An samo shi daga zanen launi na CIE kuma yana da alaƙa da fahimtar launin ɗan adam (571nm na al'ada).

8.2 Me yasa ake buƙatar gasa idan an buɗe MBB fiye da sa'o'i 168?

Marufin filastik yana da damuwa ga danshi (MSL 3). Lokacin da aka fallasa shi ga ɗanɗanon yanayi, ana iya ɗaukar danshi. A lokacin tsarin sake kunnawa mai zafi, wannan danshin da aka kama zai iya faɗaɗa cikin sauri ("tasirin popcorn"), yana haifar da rabuwa na ciki ko fashewar fakitin LED. Gasasshen yana kawar da wannan danshin da aka ɗauka.

8.3 Zan iya tuƙa wannan LED a 20mA ci gaba?

Ee. Matsakaicin halin gaba na ci gaba shine 30mA. Aiki a 20mA yana cikin ƙayyadaddun bayanai. Koyaya, dole ne ku tabbatar cewa rushewar wuta (V_F* I_F) bai wuce 72mW ba. A na al'ada V_Fna 2.0V da I_F=20mA, wuta shine 40mW, wanda ya yarda.

8.4 Ta yaya zan fassara lambar rumbun ƙarfin hasken gani?

An yiwa alamar jakar tattarawa da lambar rarrabuwa I_V. Wannan lambar ta dace da aunannen rumbun ƙarfin hasken gani na LEDs a cikin wannan jakar (misali, lambar da ke nuna rumbun 8-12 mcd). Masu ƙira ya kamata su ƙayyade rumbun da ake buƙata ko su shirya don bambance-bambancen ƙarfi idan suna haɗa sassa daga rukuni daban-daban.