LTST-C150KRKT SMD LED Takardar Bayani - 3.2x1.6x1.1mm - 2.4V - 62.5mW - Ja - Takardar Fasaha ta Hausa

1. Bayanin Samfurin

LTST-C150KRKT wata LED ce mai inganci, mai haɗawa da saman, wacce aka tsara don aikace-aikacen da ke buƙatar nuni mai aminci da haske ja. Ta amfani da fasahar guntu ta AlInGaP (Aluminum Indium Gallium Phosphide) mai ci gaba, wannan kayan yana ba da ingantaccen ƙarfin haske da tsaftar launi idan aka kwatanta da kayan LED na gargajiya. Ƙananan fakitin sa na ma'auni na EIA ya sa ya dace da layukan tara da sanya ta atomatik da kuma tsarin gyarawa na infrared reflow na ma'auni, yana sauƙaƙa masana'antu masu yawa.

Muhimman fa'idodin wannan LED sun haɗa da bin ka'idojin RoHS, tabbatar da cewa ya dace da dokokin muhalli, da kuma ingantaccen ginin sa wanda ya dace da yanayin aiki mai faɗi. Ana ba da na'urar a kan tef ɗin 8mm da aka ɗora akan reels na inci 7, yana sauƙaƙa sarrafawa da sanyawa cikin sauƙi a cikin yanayin samarwa ta atomatik.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Matsakaicin matsakaicin matsakaici yana ayyana iyakokin damuwa wanda bayansa lalacewa ta dindindin na iya faruwa ga na'urar. Ga LTST-C150KRKT, matsakaicin ci gaba na yanzu (DC) an ƙayyade shi a 25 mA. A ƙarƙashin aikin bugun jini tare da aikin 1/10 da faɗin bugun 0.1ms, matsakaicin ci gaba na iya kaiwa 50 mA. Matsakaicin ɓarnawar wutar lantarki shine 62.5 mW, wani muhimmin siga don sarrafa zafin jiki a cikin ƙirar aikace-aikace. Na'urar na iya jure ƙarfin juzu'i har zuwa 5 V. Yanayin aiki da adana yanayin zafin jiki suna -30°C zuwa +85°C da -40°C zuwa +85°C, bi da bi, suna nuna ingantaccen aminci a cikin yanayi daban-daban.

2.2 Halayen Lantarki da Haske

An ayyana ainihin aikin LED a ƙarƙashin daidaitattun yanayin gwaji a yanayin zafin jiki (Ta) na 25°C da ci gaba na yanzu (IF) na 20 mA.

• Ƙarfin Hasken (Iv):Matsakaicin ƙarfin haske shine 54.0 mcd (millicandela), tare da mafi ƙarancin ƙima da aka ƙayyade na 18.0 mcd. Ana auna wannan siga ta amfani da haɗin firikwensin da tace wanda ya kusanci lanƙwasa amsawar ido na CIE photopic, yana tabbatar da cewa ƙimar tana da alaƙa da hangen nesa na ɗan adam.
• Kusurwar Dubawa (2θ1/2):Na'urar tana da faɗin kusurwar dubawa na digiri 130. An ayyana wannan a matsayin cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar da aka auna akan tsakiyar axis (0°).
• Halayen Tsawon Tsawon Tsawon:Matsakaicin tsayin tsayin fitarwa (λP) yawanci shine 639 nm. Matsakaicin tsayin tsayin (λd), wanda ke ayyana launin da ake gani, ya bambanta daga 624 nm zuwa 638 nm. Ramin rabin layin gani (Δλ) yawanci shine 20 nm, yana bayyana tsaftar gani na fitaccen hasken ja.
• Sigogi na Lantarki:Matsakaicin ƙarfin lantarki (VF) yawanci yana auna 2.4 V, tare da matsakaicin 2.4 V a 20 mA. Matsakaicin juzu'i (IR) shine matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin juzu'i (VR) na 5 V.

3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED zuwa kwandon shara. LTST-C150KRKT yana amfani da tsarin rarrabawa da farko don ƙarfin haske.

An rarraba ƙarfin haske zuwa kwandon shara da yawa (M, N, P, Q, R), kowanne yana da ƙayyadaddun mafi ƙarancin ƙarfi da matsakaicin kewayon da aka auna a 20 mA. Misali, kwandon shara 'M' ya ƙunshi 18.0 zuwa 28.0 mcd, yayin da kwandon shara 'R' ya ƙunshi 112.0 zuwa 180.0 mcd. Ana amfani da jurewar +/-15% ga kowane kwandon shara na ƙarfi. Masu ƙira yakamata su ƙayyade lambar kwandon shara da ake buƙata lokacin yin oda don tabbatar da matakin haske da ake so don aikace-aikacensu, wanda yake da mahimmanci don cimma kamanni iri ɗaya a cikin jerin LED masu yawa ko nunin.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasa masu hoto a cikin takardar bayanai (misali, Hoto na 1 don fitarwa mai girma, Hoto na 5 don kusurwar dubawa), ana iya bayyana halayensu na yau da kullun bisa ga ilimin lantarki da halayen LED na ma'auni.

• Ci gaba na Yanzu da Ci gaba na Ƙarfin Lantarki (Lanƙwasa I-V):Dangantakar tana da ƙarfi. Ƙananan haɓakar ƙarfin lantarki sama da bakin kofa (kusan 1.8-2.0V don AlInGaP) yana haifar da babban haɓakar ci gaba na yanzu. Wannan shine dalilin da yasa masu iyakance yanzu ko direbobi na yanzu na dindindin suke da mahimmanci.
• Ƙarfin Hasken da Ci gaba na Yanzu:Ƙarfin haske yana daidai da kusan ci gaba na yanzu a cikin kewayon aiki na yau da kullun. Koyaya, a cikin manyan igiyoyin ruwa masu yawa, inganci yana raguwa saboda ƙarin zafi.
• Dogaro da Zafin Jiki:Matsakaicin ƙarfin lantarki yawanci yana raguwa tare da haɓakar zafin haɗin gwiwa (mummunan ƙimar zafin jiki). Akasin haka, ƙarfin haske gabaɗaya yana raguwa yayin da zafin jiki ya tashi. Yakamata a rage ƙayyadaddun sigogi na takardar bayanai a 25°C don aiki a manyan yanayin zafin jiki.

5. Bayanin Injiniya da Fakitin

LED ta zo a cikin fakitin saman ma'auni. Muhimman bayanan girma sun haɗa da cewa duk ma'auni suna cikin milimita, tare da jurewar gabaɗaya na ±0.10 mm sai dai idan an ƙayyade. Takardar bayanai tana ba da cikakkun zane-zane na girman fakitin, gami da girman jiki (kusan 3.2mm x 1.6mm x 1.1mm), tazarar jagora, da lissafin ruwan tabarau. Ana amfani da ruwan tabarau "Ruwa Bayyananne", wanda ba ya yada hasken, yana haifar da ƙarin tsarin haske mai mai da hankali idan aka kwatanta da ruwan tabarau masu yadawa. Ana nuna polarity ta alamar cathode akan fakitin. Hakanan ana ba da madaidaicin girman ginshiƙan gyarawa don tabbatar da ingantaccen haɗin injiniya da lantarki yayin haɗin PCB.

6. Jagororin Gyarawa da Taro

6.1 Bayanin Yanayin Gyarawa na Reflow

Kayan yana dacewa da hanyoyin gyarawa na infrared (IR) reflow wanda ya dace da gyarawa mara gubar (Pb-free). An ba da shawarar bayanin, wanda ya dace da ma'auni na JEDEC. Muhimman sigogi sun haɗa da yankin pre-heat daga 150°C zuwa 200°C, matsakaicin matsakaicin zafin jiki na 260°C, da lokacin sama da 260°C bai wuce dakika 10 ba. Yakamata a iyakance adadin zagayowar reflow zuwa matsakaicin biyu. Bin ƙayyadaddun masana'anta na man gyarawa shima yana da mahimmanci.

6.2 Ajiya da Sarrafawa

LEDs suna da damuwa da danshi. Buɗaɗɗen, jakunkuna masu hana danshi tare da busassun abu suna da rayuwar shiryayye na shekara guda lokacin da aka adana a ≤30°C da ≤90% RH. Da zarar an buɗe, yakamata a adana kayan a ≤30°C da ≤60% RH. Ana ba da shawarar kammala reflow IR a cikin mako guda bayan buɗewa. Don dogon adana a waje da asalin jakar, yi amfani da akwati mai rufewa tare da busassun abu ko nitrogen desiccator. Kayan da aka adana daga fakitin fiye da mako guda yakamata a gasa su a kusan 60°C na akalla sa'o'i 20 kafin gyarawa don cire danshin da aka sha da kuma hana lalacewar "popcorning" yayin reflow.

6.3 Tsaftacewa

Idan tsaftacewa ya zama dole bayan gyarawa, kawai yakamata a yi amfani da takamaiman kaushi. Ana ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl a yanayin zafin jiki na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata fakitin filastik ko ruwan tabarau.

6.4 Kariya ta ESD

LEDs suna da saukin lalacewa daga fitar da lantarki (ESD). Dole ne a aiwatar da ingantaccen sarrafawa na ESD yayin sarrafawa da taro. Wannan ya haɗa da amfani da bel ɗin wuyan hannu mai ƙasa, safar hannu masu hana lantarki, da tabbatar da cewa duk kayan aiki da saman aiki suna da ƙasa da kyau.

7. Bayanin Fakitin da Oda

Fakitin ma'auni shine tef ɗin mai ɗaukar kaya na 8mm akan reels mai diamita inci 7 (178mm). Kowace cikakkiyar reel ta ƙunshi guda 3000. Mafi ƙarancin adadin shiryayye na guda 500 ya shafi sauran adadin. Fakitin yana bin ƙayyadaddun ANSI/EIA-481. Tef ɗin yana amfani da murfin saman don rufe buɗaɗɗen aljihun ɓangaren. Matsakaicin adadin abubuwan da suka ɓace a jere akan reel shine biyu.

8. Shawarwarin Aikace-aikace

8.1 Daidaitattun Da'irori na Aikace-aikace

LEDs na'urori ne masu motsa yanzu. Don tabbatar da daidaiton haske, musamman lokacin da ake amfani da LED masu yawa a layi daya, ana ba da shawarar ƙarfafa resistor mai iyakance yanzu na kowane LED (Samfurin Da'ira A). Ana iya ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (Vcc - VF) / IF, inda Vcc shine ƙarfin wutar lantarki, VF shine ƙarfin lantarki na LED, kuma IF shine ci gaba na yanzu da ake so (misali, 20mA). Tuƙi LED masu yawa a jere (Samfurin Da'ira B) wata hanya ce ta gama gari wacce ke tabbatar da irin wannan yanzu ta kowane LED, yana haɓaka daidaiton haske.

8.2 Abubuwan Tunani na Ƙira

• Gudanar da Zafin Jiki:Tabbatar da ƙirar PCB ta ba da damar isasshen ɓarnawar zafi, musamman lokacin aiki kusa da matsakaicin yanzu ko a cikin manyan yanayin zafin jiki. Zafi mai yawa yana rage fitowar haske da tsawon rayuwa.
• Sarrafa Yanzu:Koyaushe yi amfani da tushen yanzu na dindindin ko resistor mai iyakance yanzu. Haɗa LED kai tsaye zuwa tushen ƙarfin lantarki zai haifar da wuce gona da iri na yanzu da gazawar sauri.
• Iyakar Aikace-aikace:Wannan LED an yi niyya ne don kayan aikin lantarki na gabaɗaya. Don aikace-aikacen da ke buƙatar ingantaccen aminci inda gazawar za ta iya haifar da haɗari ga aminci (misali, jiragen sama, na'urorin likita), ƙarin cancanta da shawarwari sun zama dole.

9. Kwatancen Fasaha da Bambance-bambance

Amfani da fasahar AlInGaP shine babban bambanci. Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun GaP (Gallium Phosphide) ja LEDs, AlInGaP yana ba da ingantaccen ingancin haske sosai, yana haifar da fitarwa mai haske sosai don irin wannan tuƙin tuƙi. Hakanan yana ba da ingantaccen kwanciyar hankali na zafin jiki da daidaiton launi. Faɗin kusurwar dubawa na digiri 130 ya sa ya dace da aikace-aikacen da ganin daga kusurwoyi masu ban sha'awa ke da mahimmanci. Daidaitawa tare da haɗawa ta atomatik da gyarawa mara gubar reflow ya daidaita shi da zamani, masu yawa, masu bin ka'idojin muhalli na masana'antu.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin tsayin tsayin tsayi da tsayin tsayin tsayi?

A: Tsayin tsayin tsayi (λP) shine tsayin tsayin tsayi guda ɗaya wanda bakan fitarwa yana da matsakaicin ƙarfinsa. Tsayin tsayin tsayi (λd) an samo shi ne daga zanen launi na CIE kuma yana wakiltar tsayin tsayin tsayin haske mai tsafta wanda idon ɗan adam zai gane yana da launi iri ɗaya da LED. λd ya fi dacewa don ƙayyadaddun launi.

Q: Zan iya tuƙi wannan LED tare da samar da 3.3V ba tare da resistor ba?

A: A'a. Tare da VF na al'ada na 2.4V, haɗa shi kai tsaye zuwa 3.3V zai yi ƙoƙarin tuƙi babba, yanzu mara sarrafawa ta hanyar LED, wanda ya wuce matsakaicin matsakaicin sa kuma yana haifar da lalacewa nan take. Resistor na jere ya zama dole don tuƙin tushen ƙarfin lantarki.

Q: Me yasa yanayin ajiya bayan buɗe jakar yake da mahimmanci haka?

A: Fakitin filastik na iya sha danshi daga iska. A lokacin babban tsarin gyarawa na reflow mai zafi, wannan danshin da aka kama zai iya yin tururi cikin sauri, yana haifar da matsa lamba na ciki wanda zai iya fashe fakitin ko raba haɗin gwiwar ciki - wani abu da aka sani da "popcorning."

11. Misalai na Ƙira da Amfani na Aiki

Misali 1: Alamar Matsayi akan Na'urar Masu Amfani:Mai ƙira yana buƙatar alamar kunna wutar lantarki mai haske ja. Ta amfani da layin wutar lantarki na 5V da kuma niyya 20mA, an ƙididdige resistor na jere kamar R = (5V - 2.4V) / 0.02A = 130 Ohms. Ana iya amfani da daidaitaccen resistor 130Ω ko 150Ω. Faɗin kusurwar dubawa yana tabbatar da cewa ana iya ganin alamar daga kusurwoyi daban-daban.

Misali 2: Hasken Baya don Ƙananan Alama:Ana iya shirya LED masu yawa na LTST-C150KRKT a cikin jeri a bayan panel mai wucewa. Don tabbatar da haske ko da yaushe, yakamata a zaɓi LED daga kwandon shara iri ɗaya na ƙarfin haske (misali, kwandon shara 'P'). Ana iya tuƙa su a cikin tsarin jeri-layin daya tare da dacewa mai iyakance yanzu ga kowane layin jeri.

12. Gabatarwar Ka'idar Fasaha

AlInGaP wani fili ne na semiconductor na III-V. Lokacin da aka yi amfani da ƙarfin lantarki a kan haɗin p-n, ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki na Aluminum, Indium, Gallium, da Phosphide a cikin lattice crystal yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsayin tsayin (launi) na fitaccen haske - a wannan yanayin, a cikin bakan ja. An tsara ruwan tabarau na epoxy "Ruwa Bayyananne" don samun ƙarancin sha a tsayin tsayin fitarwa, yana ba da damar fitar da haske matsakaicin.

13. Trends na Masana'antu da Ci gaba

Gabaɗayan yanayin a cikin LEDs na nuni yana zuwa ga ingantaccen inganci (ƙarin fitowar haske a kowace watt na shigar da lantarki), ingantaccen aminci, da ƙananan girman fakitin don ba da damar shimfidar PCB mai yawa. Yayin da AlInGaP ya kasance babbar fasaha don ingantaccen ja, orange, da rawaya LEDs, fasahar InGaN (Indium Gallium Nitride) ta zama ruwan dare ga shuɗi, kore, da fararen LEDs. Hakanan akwai ci gaba da ci gaba a fagage kamar fakitin LED na ma'auni na guntu (CSP), wanda ke kawar da fakitin filastik na gargajiya don ƙananan siffofi. Bugu da ƙari, tuƙin dorewa yana ci gaba da tura don bin ka'idojin RoHS da kayan da ba su da halogen a cikin duk abubuwan lantarki.