3011-SR0201H-AM LED Takardar Bayani - PLCC-2 Kunshin - Super Red - 580mcd @20mA - 120° Kallon Kwanar - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

3011-SR0201H-AM babban LED ne mai inganci, an tsara shi da farko don amfanin hasken cikin mota inda sarari ya yi kunkuntar. Yana amfani da kunshin PLCC-2 (Plastic Leaded Chip Carrier) wanda ake hawa a saman, yana ba da girma mai dacewa don haɗaɗɗun na'urorin lantarki na zamani. Na'urar tana fitar da haske mai launin Super Red tare da ƙarfin haske na yau da kullun na 580 millicandelas (mcd) lokacin da aka yi amfani da shi a madaidaicin kwararar gaba na 20 milliamperes (mA). Babban siffarsa shi ne faɗin kwanar kallonsa na digiri 120, wanda ke tabbatar da rarraba haske daidai gwargwado. An tabbatar da ingancin kayan aikin zuwa madaidaicin ma'auni na AEC-Q101 don semiconductors na mota, yana ba da garantin amincinsa a ƙarƙashin yanayin mota mai tsanani. Haka nan yana bin ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari) da REACH, kuma yana da ƙarfin juriya ga sulfur, wanda ke sa ya yi tsayayya da yanayin lalata da ake samu a cikin motoci.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan LED sun haɗa da ƙaramin siffar sa na PLCC-2, fitar da haske mai ƙarfi gwargwadon girmansa, kyawawan halaye na zafi saboda ƙirar kunshinsa, da kuma tabbataccen aminci don amfanin mota. Babban kasuwarsa ita ce masana'antar mota, musamman don hasken yanayi na ciki da hasken baya don maɓallai, maɓallan kunna, da kayan aikin mota. Faɗin kwanar kallo yana da fa'ida musamman ga aikace-aikacen da ake buƙatar ganin haske daga kusurwoyi daban-daban a cikin ɗakin mota.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Na'urar Lantarki

Ana ayyana aikin lantarki da na gani a ƙarƙashin takamaiman yanayin gwaji, yawanci a zafin haɗuwa (Tj) na 25°C. Kwararar gaba (IF) tana da kewayon aiki daga 7 mA zuwa 70 mA, tare da 20 mA kasancewar madaidaicin gwaji da wurin aiki da aka ba da shawarar. A wannan kwararar, madaidaicin ƙarfin lantarki na gaba (VF) shine 1.9 volts, tare da mafi ƙarancin 1.75V zuwa matsakaicin 2.75V. An ƙayyade ƙarfin haske (IV) tare da ƙimar yau da kullun na 580 mcd, wanda ya kewayo daga mafi ƙarancin 450 mcd zuwa matsakaicin 900 mcd. Tsawon zango mai rinjaye (λd) yawanci shine 629 nanometers (nm), a cikin kewayon 627 nm zuwa 636 nm, wanda ke ayyana ma'anar launinsa na Super Red. Kwanar kallo (2θ½) shine digiri 120, wanda aka auna a matsayin cikakken kusurwar da ƙarfin haske ya ragu zuwa rabin ƙimar kololuwar sa.

2.2 Matsakaicin Matsakaicin Ƙididdiga da Gudanar da Zafi

Matsakaicin ƙididdiga na cikakke suna ayyana iyakokin da wucewarsu na iya haifar da lalacewa na dindindin. Matsakaicin ci gaba da kwararar gaba shine 70 mA. Na'urar na iya jure kwararar guguwa (IFM) na 300 mA don ƴan bugun jini masu gajeren lokaci (≤10 μs) a ƙaramin ma'auni. Matsakaicin zafin haɗuwa (Tj) shine 125°C. Kewayon zafin aiki (Topr) daga -40°C zuwa +110°C ne, wanda shine ma'auni don abubuwan mota. Gudanar da zafi yana da mahimmanci ga tsawon rayuwar LED da aiki. An ƙayyade juriyar zafi daga haɗuwa zuwa wurin solder (Rth JS). Hanyar lantarki tana ƙiyasta shi a 220 K/W, yayin da ainihin ma'aunin yana ba da ƙimar 250 K/W. Wannan sigar tana nuna yadda ake kawar da zafi daga guntun LED yadda ya kamata; ƙimar ƙasa ce mafi kyau. Ƙirar zafi ta PCB da ta dace tana da mahimmanci don kiyaye ƙaramin zafin wurin solder, musamman lokacin aiki a manyan kwararori.

3. Bincike na Lanƙwasa Aiki

3.1 Kwararar Gaba vs. Ƙarfin Lantarki na Gaba (Lanƙwasa IV)

Lanƙwasa IV yana nuna alaƙar da ba ta layi daya ba. Yayin da kwararar gaba ta karu daga 0 zuwa 70 mA, ƙarfin lantarki na gaba yana ƙaruwa daga kusan 1.7V zuwa 2.3V. Wannan lanƙwasa yana da mahimmanci don ƙirar da'irar iyakance kwarara (yawanci resistor ko direba mai ci gaba da kwarara) don tabbatar da LED yana aiki a hasken da ake so ba tare da wuce matsakaicin ƙididdigansa ba.

3.2 Dangantakar Ƙarfin Hasken Haske da Kwararar Gaba

Wannan jadawalin yana nuna cewa fitar da haske ba ya daidaitacce da kwarara. Yayin da ƙarfin yana ƙaruwa tare da kwarara, inganci (lumens kowace watt) na iya raguwa a manyan kwararori saboda ƙaruwar samar da zafi. Lanƙwasa yana taimaka wa masu ƙira su zaɓi wurin aiki mafi kyau wanda ke daidaita haske, inganci, da tsawon rayuwar na'urar.

3.3 Dogaro da Zafin Jiki

Jadawalai da yawa suna kwatanta tasirin zafin jiki. Ƙarfin haske na dangi yana raguwa yayin da zafin haɗuwa ya tashi. Misali, a 100°C, ƙarfin shine kusan 70-80% na ƙimarsa a 25°C. Ƙarfin lantarki na gaba yana da ƙimar zafi mara kyau, yana raguwa a layi daya tare da ƙaruwar zafin jiki (kusan -1.5 mV/°C). Tsawon zango mai rinjaye kuma yana canzawa tare da zafin jiki, yawanci yana ƙaruwa (ja-juyi) da kusan 0.07 nm/°C. Waɗannan halaye suna da mahimmanci ga aikace-aikacen da ke fuskantar sauye-sauyen zafi mai yawa, kamar a cikin motoci.

3.4 Rage Kwararar Gaba da Gudanar da Bugun Jini

Lanƙwasa rage ƙarfi yana da mahimmanci ga aminci. Yana nuna matsakaicin kwararar gaba da aka halatta a matsayin aikin zafin wurin solder (Ts). Misali, a Ts na 78°C, matsakaicin kwarara shine 70 mA. A 110°C, matsakaicin kwarara ya ragu zuwa 22 mA. Yin aiki sama da wannan lanƙwasa yana haifar da haɗarin yin zafi da rage tsawon rayuwa. Jadawalin iyawar sarrafa bugun jini yana nuna matsakaicin kwararar bugun jini da aka halatta don faɗin bugun jini daban-daban (tp) da ma'auni (D), masu amfani don aikace-aikacen haɗawa ko kyalkyali.

4. Bayanin Tsarin Rarraba

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon.

4.1 Rarraba Ƙarfin Hasken Haske

Ana rarraba ƙarfin hasken haske ta amfani da lambar haruffa (misali L1, L2, M1... GA). Kowane kwandon ya ƙunshi takamaiman kewayon mafi ƙarancin da matsakaicin ƙarfin hasken haske da aka auna a millicandelas (mcd). Kwandon suna bin ci gaba na logarithmic, inda kowane mataki ke wakiltar ƙaruwa ta kusan tushen murabba'in 2. Ga 3011-SR0201H-AM, fitarwa na yau da kullun na 580 mcd ya faɗo cikin kwandon U1 (450-560 mcd) ko kwandon U2 (560-710 mcd). Masu ƙira na iya ƙayyadad da ƙaramin kwandon don aikace-aikacen da ke buƙatar haske mai daidaito sosai.

4.2 Rarraba Tsawon Zango Mai Rinjaye

Tsawon zango mai rinjaye, wanda ke ayyana launin da ake gani, shima ana rarraba shi. Ana gano kwandon ta lambobi huɗu (misali 2730, 3033). Lambobi biyu na farko suna wakiltar mafi ƙarancin tsawon zango a cikin dubunnan nanometers, kuma na ƙarshe biyu suna wakiltar matsakaicin. Don tsawon zango na yau da kullun na 629 nm, kwandon masu dacewa sune 2730 (627-630 nm) da 3033 (630-633 nm). Ƙayyadad da kwandon tsawon zango yana da mahimmanci ga aikace-aikacen da daidaitawar launi tsakanin LED da yawa ke da mahimmanci.

5. Bayanin Injiniya, Kunshi & Tari

5.1 Girman Injiniya da Polarity

LED yana zuwa a cikin daidaitaccen kunshin PLCC-2. Takardar bayani ta haɗa da cikakken zanen girma wanda ke nuna tsawon kunshi, faɗi, tsayi, tazarar jagora, da girman kushin. Kayan aikin yana da alamar polarity da aka gina a ciki, yawanci notch ko kusurwar da aka yanka akan kunshin, wanda dole ne a daidaita shi da alamar da ta dace akan silkscreen na PCB don tabbatar da daidaitaccen alkibla (anode vs. cathode).

5.2 Tsarin Ƙasa na PCB da Aka Ba da Shawara

An ba da shimfidar wurin solder da aka ba da shawarar (tsarin ƙasa) don ƙirar PCB. An inganta wannan tsarin don ingantaccen solder, kyakkyawan ƙarfin injiniya, da ingantaccen kawar da zafi daga kushin zafi (idan akwai) a ƙasan kunshin PLCC. Bin wannan shawarar yana taimakawa wajen hana kabari da lahani na solder yayin sake kwarara.

5.3 Bayanin Solder Reflow da Kariya

Takardar bayani ta ƙayyade bayanin solder reflow wanda ya dace da solder mara gubar (Pb-free). Manyan sigogi sun haɗa da yankin dumama, hawan zafin jiki, yankin kololuwar zafin jiki (ba ya wuce 260°C na dakika 30), da yankin sanyaya. Yin bin wannan bayanin yana hana girgizar zafi da lalata LED. Kariya gabaɗaya sun haɗa da guje wa matsin lamba na injiniya akan ruwan tabarau, hana gurɓatawa, da amfani da hanyoyin sarrafa ESD (Electrostatic Discharge) da suka dace, saboda an ƙididdige na'urar don kariyar ESD na Tsarin Jikin Mutum (HBM) na 2 kV.

6. Jagororin Aikace-aikace da Abubuwan Ƙira

6.1 Da'irori na Aikace-aikacen Yau da Kullun

Mafi yawan hanyar tuƙi ita ce resistor mai iyakance kwarara. Ana ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (Vsupply - VF) / IF, inda VF shine ƙarfin lantarki na gaba na LED a kwararar da ake so IF. Don samar da mota na 12V da manufar kwarara na 20 mA tare da VF=1.9V, R = (12 - 1.9) / 0.02 = 505 Ohms. Resistor na 510 Ohm zai zama zaɓi na yau da kullun. Don ingantaccen daidaita kwarara a cikin zafin jiki da bambance-bambancen wutar lantarki, ana ba da shawarar direba IC mai ci gaba da kwarara.

6.2 Abubuwan Ƙira na Zafi

Ingantaccen nutsewar zafi yana da mahimmanci. Babban hanyar zafi daga haɗuwar LED, ta kunshi, zuwa kushin solder, sannan kuma zuwa cikin alamun tagulla na PCB. Yin amfani da PCB mai isasshen kauri da yanki na tagulla da aka haɗa zuwa kushin zafi yana taimakawa rage zafin wurin solder (Ts). Dole ne a duba lanƙwasa rage ƙarfi don tabbatar da cewa kwararar aiki tana da aminci ga Ts mafi girma da ake tsammani a cikin yanayin aikace-aikace.

6.3 Abubuwan Ƙira na Gani

Kwanar kallo na digiri 120 rarraba ne kamar na Lambertian na halitta. Don aikace-aikacen da ke buƙatar haske mai mai da hankali, ana iya amfani da na'urorin gani na biyu kamar ruwan tabarau ko jagororin haske. Launin Super Red yana da kyau don alamomin matsayi da fitilun gargaɗi saboda yawan ganinsa. Masu ƙira yakamata su yi la'akari da yuwuwar haɗa launi idan an yi amfani da su tare da wasu LED masu launi.

7. Kwatance da Jagorar Zaɓi

Lokacin zaɓar LED na gefen kallo, manyan wuraren kwatance sun haɗa da girman kunshi (3011 yana nufin girma 3.0mm x 1.1mm), haske (matsayin mcd a takamaiman kwarara), kwanar kallo, launi (tsawon zango), kewayon zafin aiki, da ma'auni na cancanta (misali AEC-Q101). 3011-SR0201H-AM ya bambanta kansa da amincinsa na matakin mota, ƙarfin sulfur, da daidaitaccen aiki a cikin ƙaramin kunshi. Don wadanda ba na mota ba ko muhallin da ba su da buƙatu, daidaitattun matakan kasuwanci ba tare da cancantar AEC-Q101 ba na iya zama madadin mai tsada.

8. Tambayoyin da Ake Yawan Yi (FAQ)

Q: Menene mafi ƙarancin kwarara da ake buƙata don wannan LED ya haskaka?

A: An siffanta na'urar har zuwa 7 mA, amma tana iya fitar da haske mai gani a kwararori ƙasa da wannan. Duk da haka, don ingantaccen aiki da ƙayyadaddun aiki, ana ba da shawarar aiki tsakanin 7 mA da 70 mA.

Q: Zan iya tuƙa wannan LED tare da siginar PWM don dushewa?

A: Ee, Pulse-width modulation (PWM) hanya ce mai inganci ta dushewa. Ya kamata mitar ta yi girma sosai don guje wa kyalkyali da ake iya gani (yawanci >100 Hz). Dubi jadawalin iyawar sarrafa bugun jini don tabbatar da cewa kololuwar kwarara a kowane bugun jini bai wuce ƙididdiga ba.

Q: Ta yaya zan fassara lambar sashi 3011-SR0201H-AM?

A: Duk da yake ainihin al'adar suna na kamfani na iya bambanta, yawanci yana rabuwa kamar haka: "3011" (girman kunshi/salo), "SR" (Super Red), "02" (mai yiwuwa yana da alaƙa da rarraba aiki), "01H" (zai iya nuna takamaiman siffofi kamar kwanar kallo), "AM" (sau da yawa yana nuna Kasuwar Mota ko takamaiman bita).

Q: Ana buƙatar heatsink?

A: Don ci gaba da aiki a kwararori kusa da matsakaicin (70 mA), PCB mai kyakkyawan ƙira tare da isasshen tagulla wanda ke aiki azaman heatsink yana da mahimmanci. Gabaɗaya ba a buƙatar keɓaɓɓen heatsink na ƙarfe don wannan nau'in kunshi idan ƙirar zafin PCB ta yi kyau.

9. Misalin Aikace-aikace na Aiki

Yanayi: Hasken Baya na Panel ɗin Maɓallin Sarrafa Yanayi na Mota.

Ƙira tana buƙatar LED 10 na jan alama don hasken baya na maɓalli. Ƙarfin lantarki na tsarin shine 12V (baturin abin hawa). Manufar ita ce haske iri ɗaya a zafin yanayi har zuwa 85°C.

Matakan Ƙira:

1. Zaɓin Kwarara:Don tabbatar da tsawon rayuwa a babban zafin jiki, rage ƙarfin kwarara. Daga lanƙwasa rage ƙarfi, a kiyasin Ts na 90°C, matsakaicin kwarara shine ~50 mA. Zaɓin 15 mA yana ba da kyakkyawan gefen aminci da isasshen haske.

2. Ƙirar Da'ira:Yi amfani da resistor na jeri don kowane LED. R = (12V - 1.9V) / 0.015A ≈ 673 Ohms. Yi amfani da daidaitaccen resistor na 680 Ohm.

3. Ƙirar Zafi:Ƙirar PCB tare da manyan zubar da tagulla da aka haɗa zuwa kushin zafi na LED don kawar da zafi.

4. Rarraba:Ƙayyade ƙaramin kwandon ƙarfin haske (misali U1 ko U2) da ƙaramin kwandon tsawon zango (misali 2730) daga mai kaya don tabbatar da cewa duk maɓallai 10 suna da daidaitaccen launi da haske.

5. Tabbatarwa:Gwada samfurin a cikin kewayon zafin aikin motar (-40°C zuwa +85°C) don tabbatar da aiki.

10. Ka'idojin Fasaha da Trends

10.1 Ka'idar Aiki

Wannan LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce ƙarfin bandgap ɗinsa, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun semiconductor (yawanci bisa Aluminum Gallium Indium Phosphide - AlGaInP don launukan ja/lemu/rawaya). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki yana ƙayyade tsawon zango (launi) na hasken da aka fitar. Kunshin filastik yana rufe guntun, yana ba da kariya ta injiniya, kuma ya haɗa da ruwan tabarau da aka ƙera wanda ke siffanta fitar da haske don cimma kwanar kallo na digiri 120.

10.2 Trends na Masana'antu

Trend a cikin LED na hasken cikin mota yana zuwa ga ingantacciyar inganci (ƙarin lumens kowace watt), ƙananan girman kunshi wanda ke ba da damar ƙira mai siriri, ingantaccen daidaiton launi da jikewa, da haɗa guntu da yawa (RGB) cikin kunshi guda don haske mai launi mai ƙarfi. Haka nan akwai turawa don kunshin "chip-scale" da ƙirar jujjuya guntu waɗanda ke ba da ingantaccen aikin zafi da ma ƙananan girma. Bukatar abubuwa masu aminci, masu tsawon rayuwa waɗanda suka cancanta zuwa ma'auni na mota kamar AEC-Q102 (don na'urorin gani) yana ci gaba da girma yayin da motoci ke haɗa ƙarin hasken yanayi da na aiki.