Takardar Bayanin Fasaha na SMD LED LTST-C230KGKT - AlInGaP Kore - 20mA - 2.4V - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun fasaha na na'urar hawa a saman (SMD) mai fitar da haske (LED). Samfurin wani nau'in LED chip ne mai hawa akasin hanyar da ke amfani da fasahar semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) don samar da hasken kore. An tsara shi don hanyoyin haɗawa ta atomatik kuma ya dace da aikin gyarar ƙarfe ta infrared reflow, wanda ya sa ya dace da masana'antu masu yawa. An tattara na'urar a kan tef na milimita 8 da aka nannade a kan reels masu diamita inci 7 don ingantaccen aikin ɗauka da sanyawa.

1.1 Fa'idodi na Asali

• Hasken da yake da ƙarfi:Chip ɗin AlInGaP yana ba da ƙarfin haske mai ƙarfi.
• Daidaitawar Ɗabi'a:Yana da ƙirar ƙafa ta ma'auni ta EIA.
• Abokantaka ga Masana'antu:Yana dacewa da kayan aikin sanyawa ta atomatik da hanyoyin gyarar ƙarfe ta infrared reflow.
• Bin Ka'idojin Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa masu haɗari).

2. Zurfin Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Ma'auni

Waɗannan ma'auni suna bayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Duk ƙimomin an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):75 mW
• Matsakaicin Halin Gaba (IFP):80 mA (a cikin sake zagayowar aiki 1/10, faɗin bugun jini 0.1ms)
• Halin Gaba na DC (IF):30 mA
• Ƙarfin Lantarki na Baya (VR):5 V
• Kewayon Zafin Aiki (Topr):-30°C zuwa +85°C
• Kewayon Zafin Ajiya (Tstg):-40°C zuwa +85°C
• Yanayin Gyarar Ƙarfe ta Infrared:Matsakaicin zafin jiki 260°C na iyakar daƙiƙa 10.

2.2 Halayen Lantarki da Hasken Gani

Waɗannan ma'auni suna bayyana aikin na'urar a ƙarƙashin yanayin aiki na al'ada, galibi ana auna su a Ta=25°C da halin gaba (IF) na 20mA, sai dai idan an faɗi akasin haka.

• Ƙarfin Hasken Gani (Iv):18.0 mcd (Mafi ƙanƙanta), 35.0 mcd (Na al'ada). An auna shi tare da firikwensin / tace wanda ya kusanci lanƙwasa amsawar ido na CIE photopic.
• Kusurwar Kallo (2θ1/2):Digiri 130. Wannan shine cikakken kusurwar da ƙarfin haske ya rabi ƙimar da aka auna akan tsakiyar axis.
• Matsakaicin Tsawon Tsawon Tsinkaya (λP):574 nm.
• Matsakaicin Tsawon Tsinkaya (λd):571 nm. Wannan shine tsawon tsinkaya guda ɗaya da aka samo daga zanen launi na CIE wanda ya fi wakiltar launin da ido ke gani.
• Rabin Faɗin Layin Bakan (Δλ):15 nm. Wannan yana nuna tsaftar bakan hasken da aka fitar.
• Ƙarfin Lantarki na Gaba (VF):2.0 V (Mafi ƙanƙanta), 2.4 V (Na al'ada) a IF=20mA.
• Halin Baya (IR):10 μA (Matsakaici) a VR=5V.

3. Bayanin Tsarin Rarraba

Ana rarraba na'urori zuwa kwandon shara bisa mahimman ma'auni don tabbatar da daidaito a aikace-aikace. Lambobin kwandon shara na wannan samfurin an bayyana su kamar haka:

3.1 Rarraba Ƙarfin Lantarki na Gaba

An rarraba su a IF=20mA. Tolerancin kowane kwandon shara shine ±0.1V.
Lambar Kwandon Shara 4: 1.90V - 2.00V
Lambar Kwandon Shara 5: 2.00V - 2.10V
Lambar Kwandon Shara 6: 2.10V - 2.20V
Lambar Kwandon Shara 7: 2.20V - 2.30V
Lambar Kwandon Shara 8: 2.30V - 2.40V

3.2 Rarraba Ƙarfin Hasken Gani

An rarraba su a IF=20mA. Tolerancin kowane kwandon shara shine ±15%.
Lambar Kwandon Shara M: 18.0 mcd - 28.0 mcd
Lambar Kwandon Shara N: 28.0 mcd - 45.0 mcd
Lambar Kwandon Shara P: 45.0 mcd - 71.0 mcd

3.3 Rarraba Matsakaicin Tsawon Tsinkaya

An rarraba su a IF=20mA. Tolerancin kowane kwandon shara shine ±1nm.
Lambar Kwandon Shara C: 567.5 nm - 570.5 nm
Lambar Kwandon Shara D: 570.5 nm - 573.5 nm
Lambar Kwandon Shara E: 573.5 nm - 576.5 nm

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nufin lanƙwasan aiki na al'ada waɗanda ke da mahimmanci ga ƙira. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutu ba, galibi sun haɗa da:

• Dangantakar Ƙarfin Hasken Gani da Halin Gaba:Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu, mai mahimmanci ga ƙirar da'irar tuƙi.
• Ƙarfin Lantarki na Gaba da Halin Gaba:Lanƙwasa halayen IV, mai mahimmanci don ƙididdige rushewar wutar lantarki da zaɓar masu hana halin yanzu.
• Dangantakar Ƙarfin Hasken Gani da Yanayin Muhalli:Yana nuna raguwar zafin jiki na fitar da haske, wanda ke da mahimmanci ga aikace-aikace a cikin yanayi daban-daban.
• Rarraba Bakan:Zanen ƙarfin dangi da tsawon tsinkaya, yana nuna kololuwa a 574nm da rabin faɗin 15nm.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

Na'urar ta yi daidai da ƙirar kunshin ma'auni ta EIA. Duk girmansu suna cikin milimita tare da juzu'i na gabaɗaya na ±0.10mm sai dai idan an faɗi akasin haka. Takardar bayanin ta haɗa da cikakken zanen girma wanda ke nuna tsayi, faɗi, tsayi, da matsayin jagora don saitin hawa akasin hanyar.

5.2 Gano Halin Ƙarfin Lantarki

A matsayin kayan hawa akasin hanyar, gano halin ƙarfin lantarki akan PCB yana da mahimmanci. Shafin ƙirar gyarar ƙarfe da aka ba da shawara a cikin takardar bayanin yana nuna a fili girmansu na katod da anod don tabbatar da daidaitaccen alkibla yayin haɗawa.

5.3 Ƙayyadaddun Tef da Reel

Ana ba da na'urar akan tef ɗin ɗaukar kaya na milimita 8 bisa ma'auni na EIA-481, wanda aka nannade akan reels masu diamita inci 7 (178mm). Kowane reel yana ƙunshe da guda 3000. Muhimman ƙayyadaddun tef sun haɗa da girmansu aljihu, tef ɗin rufewa, da buƙatun tef ɗin jagora / trailer don tabbatar da dacewa da kayan aikin atomatik.

6. Jagororin Gyarar Ƙarfe da Haɗawa

6.1 Bayanin Yanayin Gyarar Ƙarfe ta Reflow

An ba da shawarar bayanin infrared reflow don hanyoyin da ba su da gubar (Pb-free). Muhimman ma'auni sun haɗa da:
- Dafara:150-200°C.
- Lokacin Dafara:Iyakar daƙiƙa 120.
- Matsakaicin Zafin Jiki:Iyakar 260°C.
- Lokaci Sama da Liquidus:Kamar yadda lanƙwasa takamaiman bayanin ya nuna (wanda aka ambata a shafi na 3 na ainihin takardar).
- Iyaka Mai Muhimmanci:Kada a fallasa na'urar zuwa 260°C fiye da daƙiƙa 10. Ya kamata a yi reflow har sau biyu kawai.

6.2 Gyarar Ƙarfe ta Hannu

Idan gyarar ƙarfe ta hannu ya zama dole:
- Zafin Ƙarfe:Iyakar 300°C.
- Lokacin Gyarar Ƙarfe:Iyakar daƙiƙa 3 kowane haɗin gwiwa.
- Mahimmanci:Ya kamata a yi gyarar ƙarfe ta hannu sau ɗaya kawai.

6.3 Yanayin Ajiya

• Kunshin da aka rufe (tare da busasshiyar abu):Ajiye a ≤30°C da ≤90% RH. Ana ba da shawarar amfani da shi cikin shekara guda bayan buɗe jakar shinge na danshi.
• Kunshin da aka Buɗe / Bayan Fallasa:Ajiye a ≤30°C da ≤60% RH. Ya kamata a yi IR-reflow na kayan cikin sa'o'i 672 (kwanaki 28) na fallasa ga iskar muhalli (MSL 2a). Don ajiye na tsawon lokaci, yi amfani da akwati da aka rufe tare da busasshiyar abu ko nitrogen desiccator. Kayan da aka ajiye fiye da sa'o'i 672 suna buƙatar gasa a kusan 60°C na aƙalla sa'o'i 20 kafin gyarar ƙarfe.

6.4 Tsaftacewa

Kada a yi amfani da sinadarai da ba a bayyana ba. Idan ana buƙatar tsaftacewa bayan gyarar ƙarfe, nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin ɗaki na ƙasa da minti ɗaya.

7. Bayanin Kunshin da Oda

Naúrar odar daidaitacce ita ce reel inci 7 mai ɗauke da guda 3000. Mafi ƙarancin adadin tattarawa na guda 500 ya shafi sauran adadin. Kunshin tef da reel yana tabbatar da dacewa da layukan haɗawa ta atomatik masu sauri. Lambar sashi LTST-C230KGKT tana ɓoye takamaiman halayen wannan na'urar.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

Wannan LED ya dace da faffadan aikace-aikace masu buƙatar alamar kore mai ƙarfi, ciki har da amma ba'a iyakance ga:
- Alamomin yanayi akan na'urorin lantarki na mabukaci (misali, na'urorin hanyar sadarwa, masu caji, na'urori).
- Hasken baya don maɓalli na membrane ko ƙananan falo.
- Hasken kayan ado a cikin ƙananan wurare.
- Alamomin falo na sarrafa masana'antu.

8.2 Abubuwan da ake la'akari da Ƙira

• Ƙuntata Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direba mai halin yanzu don iyakance halin gaba zuwa matsakaicin 30mA DC. Matsakaicin wurin aiki shine 20mA.
• Gudanar da Zafin Jiki:Tabbatar cewa ƙirar PCB tana ba da damar watsar da zafi, musamman idan ana aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma, saboda ƙarfin haske yana raguwa tare da hawan zafin jiki.
• Kariya ta ESD:LEDs suna da hankali ga zubar da wutar lantarki (ESD). Aiwatar da ingantattun sarrafawa na ESD yayin sarrafawa da haɗawa, kamar amfani da bel ɗin wuyan hannu da tashoshi na aiki.
• Kariya ta Ƙarfin Lantarki na Baya:Matsakaicin ƙarfin lantarki na baya shine 5V kawai. Haɗa kariya (misali, diode a layi daya) idan da'irar ta fallasa LED ga yuwuwar karkatar da baya.

9. Kwatancen Fasaha da Bambance-bambance

Mahimman abubuwan da suka bambanta na wannan LED suneƙirar hawa akasin hanyardafasahar AlInGaP. Hawa akasin hanyar yana ba da damar ƙaramin bayanin martaba yayin da LED ke hawa a gefen gaban PCB daga alkiblar kallo. Fasahar AlInGaP tana ba da ingantacciyar inganci da ingantaccen kwanciyar hankali na aiki idan aka kwatanta da tsofaffin fasahohi kamar GaP na al'ada don LED kore, wanda ke haifar da haske mai ƙarfi da launi mafi daidaito.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin tsawon tsinkaya mai kololuwa da tsawon tsinkaya mai rinjaye?
A: Tsawon tsinkaya mai kololuwa (λP) shine tsawon tsinkaya inda bakan fitarwa yake da matsakaicin ƙarfinsa (574nm). Tsawon tsinkaya mai rinjaye (λd) ƙimar lissafi ce (571nm) daga zanen launi na CIE wanda ya fi wakiltar launin da idon ɗan adam ke gani.

Q: Zan iya tuƙa wannan LED tare da samar da 3.3V?
A: Ee, amma dole ne ka yi amfani da resistor mai hana halin yanzu. Misali, tare da VF na 2.4V a 20mA, ƙimar resistor zata zama R = (3.3V - 2.4V) / 0.02A = 45 Ohms. Yi amfani da ƙimar daidaitaccen daidaitaccen kuma duba matakin wutar lantarki.

Q: Me \"MSL 2a\" ke nufi ga ajiya?
A: Matakin Hankalin Danshi 2a yana nuna cewa ana iya fallasa kayan zuwa yanayin bene na masana'anta (≤60% RH, ≤30°C) har zuwa makonni 4 (sa'o'i 672) kafin ya buƙaci gasa kafin gyarar ƙarfe ta reflow don hana lalacewar \"popcorning\".

11. Nazarin Shari'ar Ƙira mai Amfani

Yanayi:Ƙirar alamar yanayi don na'urar ɗaukar hoto mai amfani da tushen USB na 5V. Alamar tana buƙatar zama kore mai haske kuma a hawa a gefen ƙasa na PCB, ana iya gani ta ƙaramin taga.

Mafita:LTST-C230KGKT yana da kyau saboda ikonsa na hawa akasin hanyar. An tsara da'irar resistor na jerin mai sauƙi: R = (5V - 2.4V) / 0.02A = 130 Ohms. An zaɓi resistor 130Ω, 1/8W. Tsarin PCB yana amfani da girmansu na shafin da aka ba da shawara daga takardar bayanin. An sanya LED akan Layer na ƙasa, kuma taga kallo a cikin akwati yana daidaitawa da matsayinsa. Kusurwar kallo digiri 130 tana tabbatar da kyakkyawan gani.

12. Gabatarwar Ka'idar Fasaha

Wannan LED 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, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman rabo na aluminum, indium, da gallium a cikin lattice crystal yana ƙayyade makamashin bandgap, wanda kai tsaye yayi daidai da tsawon tsinkaya (launi) na hasken da aka fitar—a wannan yanayin, kore (~571nm). Ruwan tabarau \"ruwa mai tsabta\" an yi shi da epoxy ko silicone wanda bai ƙunshi watsawa ba, yana ba da damar ainihin haske mai haske, cikakken launi na chip a gani.

13. Trends na Masana'antu

Trend a cikin SMD alamun LED yana ci gaba zuwa ga ingantacciyar inganci (ƙarin fitar da haske kowace mA), ingantaccen daidaiton launi ta hanyar ƙuntataccen rarraba, da ingantaccen dogaro a ƙarƙashin manyan hanyoyin gyarar ƙarfe masu zafi kamar reflow mara gubar. Hakanan akwai yunƙurin ƙananan ƙira yayin kiyayewa ko ƙara aikin gani. Kunshin hawa akasin hanyar da kuma gefen gani suna ƙara shahara don cimma ƙira mai santsi, ƙaramin bayanin martaba a cikin na'urorin lantarki na mabukaci na zamani. Bugu da ƙari, haɗin kai tare da na'urorin lantarki na tuƙi (misali, gina ICs don halin yanzu ko sarrafa launi) yanki ne mai girma, kodayake wannan takamaiman na'urar ya kasance mai hankali, daidaitaccen ɓangare.