Takardar Tabbatar da LED Yellow SMD - Girman 1.6x0.8x0.7mm - Vol 1.6-2.6 - Launi 585-595nm

1. Dubawa na Samfura

Wannan takarda ta fayyace takamaiman bayanai ga LED mai launi mai inganci, na SMT. An tsara na'urar don tsarin haɗa na'urorin lantarki na zamani kuma tana ba da ingantaccen aiki a cikin ƙaramin siffa. Babban aikinta shine samar da ingantaccen hasken rawaya don daban-daban dalilai na nuni da nuni.

Matsayin Samfura & Fa'idodi na Asali:Ana saka wannan LED a matsayin kayan aikin nuni na gama-gari wanda ya dace da samarwa mai yawa da layukan haɗa ta atomatik. Fa'idodinsa na asali sun haɗa da fa'idar kallo mai faɗi sosai, yana tabbatar da ganin haske daga wurare daban-daban, da cikakkiyar dacewa da daidaitattun tsarin haɗawa da na'urar gyaɗa na SMT. Wannan ya sa ya zama manufa don manyan kayan lantarki na mabukaci, na'urorin sarrafa masana'antu, da aikace-aikacen kayan aiki.

Kasuwannin Manufa:Kasuwannin manufa na farko sun haɗa da masu kera kayan lantarki na mabukaci (misali, TV, kayan aikin sauti), kayan aikin gida, hasken cikin mota, kwamfutoci na sarrafa masana'antu, da aikace-aikacen alamar gaba ɗaya ko nuni inda ake buƙatar bayyanannen sigina na gani na rawaya.

2. Bita na Cikakkun Sigogi na Fasaha

2.1 Halayen Lantarki da Haske

Ana siffanta aikin lantarki da na haske a ƙarƙashin daidaitattun sharuɗɗa (Ts=25°C). Maɓallin ma'auni suna ayyana taga aiki da tsammanin aiki na LED.

• Ƙarfin Vol na Gaba (V_F):An auna shi a gwajin na'urar 5mA, an rarraba ƙarfin vol na gaba zuwa manyan matakai daga A1 (1.6V min, 1.7V max) zuwa E2 (2.5V min, 2.6V max). Wannan rarraba yana ba masu ƙira damar zaɓar LEDs masu daidaitaccen faɗuwar vol don ƙirar da'irar sarrafa halin yanzu.
• Tsawon Tsarin Launi (λ_D):Wannan ma'auni yana ayyana launin da ake gani na LED. An rarraba shi cikin kwandon kwas: D10 (585.0-587.5nm), D20 (587.5-590.0nm), E10 (590.0-592.5nm), da E20 (592.5-595.0nm), suna rufe bakan launin rawaya.
• Ƙarfin Hasken Haske (I_V):Ana rarraba fitarwar haske, wanda aka auna a cikin millicandelas (mcd) shima. Matakai suna daga A00 (8-12 mcd) zuwa D00 (28-43 mcd) a 5mA. Tsawon bakan rabi na al'ada yana da 15nm, yana nuna ingantaccen fitarwar launi.
• Kusurwar Kallo (2θ_1/2):Fa'ida mai mahimmanci ita ce fa'idar kallo mai faɗin digiri 140, yana ba da rarraba haske mai faɗi da daidaito.
• Kusurwar Baya (I_R):Matsakaicin ƙarfin kwararar da ke bayan ƙarfin vol na baya na 5V shine 10 μA.
• Juriya na Thermal (R_θJ-S):An siffanta juriya na thermal daga haɗin gwiwa zuwa batu na gyaɗa a matsakaicin 450 °C/W, wannan yana da mahimmanci don lissafin sarrafa zafi.

2.2 Cikakkun Ma'auni na Matsakaici

Waɗannan ma'auni suna ayyana iyakokin da wanda lalacewa ta dindindin na iya faruwa bayansa. Dole ne aiki ya kasance a cikin waɗannan iyakoki koyaushe.

• Rarrabawar Wutar Lantarki (P_d):78 mW
• Matsakaicin Ƙarfin Halin yanzu na Gaba (I_F):30 mA
• Ƙarfin Halin yanzu na Gaba na Kololuwa (I_FP):60 mA (ƙarƙashin yanayin bugun jini: faɗin bugun 0.1ms, sikeli na aiki 1/10).
• Juriya na Rarrabawar Lantarki (ESD):2000V (Samfurin Jikin Mutum).
• Kewayon Zafin jiki:Kewayon zafin jiki na aiki da ajiya shine -40°C zuwa +85°C.
• Matsakaicin Zafin Jiki na Haɗin gwiwa (T_j):95°C. Wannan iyaka ce mai mahimmanci; dole ne a ƙayyade ainihin matsakaicin ƙarfin aiki dangane da ƙirar thermal na aikace-aikacen don tabbatar da T_jbai wuce ba.

3. Bayanin Tsarin Rarraba

Samfurin yana amfani da cikakken tsarin rarraba don tabbatar da daidaito a cikin maɓallin ma'auni, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar bayyanar gani ko aikin lantarki iri ɗaya.

• Rarraba Vol:An rarraba ƙarfin vol na gaba cikin kwandon kwas daban-daban 10 (A1 zuwa E2). Masu ƙira na iya zaɓar kwandon kwas da ya dace don dacewa da halayen ƙirar vol na da'irar motsa jiki, yana inganta inganci da daidaito a cikin raka'a da yawa.
• Rarraba Tsawon Tsarin Launi:An rarraba tsawon launin da ya fi rinjaye cikin kwandon kwas huɗu (D10 zuwa E20). Wannan yana ba da damar sarrafa ƙanƙanin launin rawaya, yana da mahimmanci ga aikace-aikacen inda daidaiton launi ke da mahimmanci, kamar a cikin tsarin LED da yawa ko alamomin matsayi waɗanda dole su dace da takamaiman ma'auni na launi.
• Rarraba Ƙarfin Hasken Haske:An rarraba fitarwar haske cikin kwandon kwas huɗu (A00 zuwa D00). Wannan yana ba masu ƙira damar zaɓar matakin haske da ya dace da yanayin hasken muhalli na aikace-aikacen da nisan kallo, ko don tabbatar da daidaiton haske a cikin tsari.

4. Bita na Lankwasa Aiki

Lankwasan halayen da aka bayar suna ba da zurfin haske game da halayen LED ƙarƙashin yanayi daban-daban.

• Lankwasan I-V (Ƙarfin Vol na Gaba vs. Ƙarfin Halin yanzu na Gaba):Wannan lankwasan yana nuna alaƙar da ba ta da layi tsakanin vol da halin yanzu. Yana da mahimmanci don ƙirar da'irar iyakance halin yanzu da ya dace, saboda ƙanƙanin canji a cikin vol na iya haifar da babban canji a cikin halin yanzu.
• Matsakaicin Ƙarfin Hasken Haske vs. Ƙarfin Halin yanzu na Gaba:Wannan lankwasan yana nuna yadda fitarwar haske ke ƙaruwa da halin yanzu. Yawanci yana nuna alaƙar ƙaramin layi a mafi girman halin yanzu saboda dumama da raguwar inganci.
• Matsakaicin Ƙarfin Hasken Haske vs. Zafin Jiki na Pin / Ƙarfin Halin yanzu na Gaba vs. Zafin Jiki na Pin:Waɗannan lankwasan suna nuna mummunan tasirin hawan zafin jiki akan aikin LED. Yayin da zafin jiki na pin (kuma, ta hanyar haɗawa, haɗin gwiwa) ya ƙaru, dukansu fitarwar haske da ƙarfin vol na gaba (don wani halin yanzu) yawanci suna raguwa. Wannan yana ƙarfafa mahimmancin ingantaccen sarrafa thermal.
• Tsawon Tsarin Launi vs. Ƙarfin Halin yanzu na Gaba:Wannan lankwasan yana nuna yadda launin da ake fitarwa (tsawon tsarin launi) zai iya canzawa kaɗan tare da halin yanzu na aiki, wanda shine wani abu a cikin aikace-aikacen launi masu ma'ana.
• Rarraba Spectral (Matsakaicin Ƙarfin Hasken Haske vs. Tsawon Tsarin Launi):Wannan jadawali yana nuna cikakken bakan fitarwa na LED, wanda ke tsakiya a kusa da tsawon launin da ya fi rinjaye tare da rabin faɗin bakan al'ada, yana tabbatar da tsaftar launi.
• Zanen Tsarin Hasken Haske:Wannan zanen polar yana wakiltar fa'idar kallo mai faɗin digiri 140 a gani, yana nuna rarraba ƙarfin haske ta kusurwa.

5. Bayanin Injiniya & Kunshin

5.1 Girman Kunshin

LED yana cikin ƙaramin kunshin SMD mai girman 1.6mm (L) x 0.8mm (W) x 0.7mm (H). Ana ba da izinin kowane girman ±0.2mm sai dai an bayyana daban. An ba da cikakkun zane-zanen injiniya, gami da ra'ayoyin sama, gefe, da na ƙasa.

5.2 Tantance Iyakoki da Ƙirar Gyaɗa

Ra'ayin ƙasa yana nuna filayen anode da cathode. An ba da shirin ƙirar ƙasa na gyaɗa da aka ba da shawarar (footprint) don ƙirar PCB, tare da girman filayen da tazara su don tabbatar da ingantaccen gyaɗa da daidaitaccen jeri a lokacin tsarin SMT. Rike wannan shafin yana da mahimmanci don samun ingantaccen haɗin gyaɗa da kuma kawar da zafin jiki daga LED.

6. Jagororin Gyaɗa & Haɗawa

6.1 Gyaɗa ta hanyar SMT Reflow

Kayan aikin yana cikakkiyar dacewa tare da daidaitattun hanyoyin gyaɗa na infrared ko convection reflow. Dole ne a bi takamaiman umarni game da bayanin martaba na reflow (dumama, jiƙa, kololuwar zafin jiki na reflow, da ƙimar sanyaya) don hana girgiza thermal, tombstoning, ko lalata kullun LED. An rarraba matakin hankali na danshi (MSL) a matakin 3.

6.2 Hatsarori na Handling da Ajiya

• Hatsarori na ESD:Dole ne a kiyaye daidaitattun hanyoyin handling na ESD a duk matakan handling da haɗawa saboda hankalin na'urar.
• Hankali na Danshi:A matsayin kayan aikin MSL Level 3, dole ne a gasa jakar idan lokacin bayyanar ya wuce ƙayyadaddun iyaka (yawanci awanni 168 a ≤ 30°C/60% RH) kafin gyaɗa ta reflow.
• Tsaftacewa:Idan tsaftacewa ya zama dole bayan gyaɗa, yi amfani da hanyoyin da aka yarda da su da kuma ƙarfi da suka dace da kayan ruwan tabarau na LED.
• Ajiya:Ajiye a cikin ainihin jakar iyakance danshi a ƙarƙashin sharuɗɗan da aka ƙayyade na zafin jiki na ajiya (-40°C zuwa +85°C).

7. Bayanin Kunshin & Oda

Ana ba da LEDs a cikin kunshin daidaitaccen masana'antu wanda ya dace da injunan ɗauka da sanya atomatik.

• Kaset na Kaya & Reel:An ba da cikakkun bayanai don girman kaset ɗin kaya (girman aljihu, tazarar) da girman reel (diamita, girman hannu, faɗin).
• Labeling:Bayanin alamar reel sun haɗa da bayanan da ake buƙata don bin sawu da handling daidai.
• Jakun Danshi:Ana tattara reels cikin jakunkunan iyakance danshi tare da desiccant da katunan nuna danshi don kiyaye ƙimar MSL.
• Babban Akwatin:An haɗa bayanai don akwatin kwali na waje da ake amfani da shi don jigilar kaya.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

• Alamomin Matsayi:Kunna wutar lantarki, a jiran aiki, kunna aiki, ko alamomin kuskure a cikin kayan lantarki na mabukaci, kayan aiki, da na'urorin masana'antu.
• Hasken Baya:Hasken gefe don ƙananan alamomi, gumaka, ko tatsuniyoyi akan ginshiƙan gaba da maɓalli.
• Hasken Ado Gabaɗaya:Hasken yanayi ko haske na jigo inda ake son launin rawaya.

8.2 Abubuwan Tunani na Ƙira

• Iyakance Halin yanzu:Koyaushe a motsa LED tare da tushen halin yanzu mai dorewa ko resistor mai iyakance halin yanzu a jere tare da tushen vol. Dole ne a ƙididdige ƙimar dangane da hasken da ake so da kwandon kwas na vol na LED don tabbatar da halin yanzu bai wuce matsakaicin ma'auni ba.
• Sarrafa Thermal:Tabbatar da ƙirar PCB ta ba da isassun sauƙaƙan thermal, musamman lokacin aiki a mafi girman halin yanzu ko a cikin yanayin zafin jiki mai girma. Kada a wuce matsakaicin zafin jiki na haɗin gwiwa. Ana iya amfani da ƙimar juriya na thermal don ƙididdige hawan zafin jiki.
• Ƙirar Hasken Haske:Yi la'akari da fa'idar kallo mai faɗi lokacin ƙirar jagororin haske ko ruwan tabarau don amfani da su da kyau ko sarrafa hasken da ake fitarwa.

9. Kwatancen Fasaha & Bambance-bambance

Idan aka kwatanta da LEDs na ramin gaba ɗaya ko ƙananan LEDs na SMT, wannan samfurin yana ba da fa'idodi daban-daban:

• Mafi kyawun Aiki na Faɗin Kusurwa:Fa'idar kallo mai digiri 140 tana da faɗi sosai ga LED na SMD, yana ba da ingantaccen haske ba tare da wurare masu zafi ba.
• Tsarin Rarraba Mai Ƙarfi:Rarraba ma'auni da yawa (V_F, λ_D, I_V) yana ba da matakin daidaito mai girma, wanda galibi ba a samu a cikin madadin ƙaramin farashi.
• An Daidaita don Automation:Kunshin (kaset & reel) da dacewar SMT suna sauƙaƙe babban ƙirar, suna rage lokacin haɗawa da farashi idan aka kwatanta da shigar da hannu.
• Daidaitaccen Aiki:Yana ba da haɗin haske mai kyau, inganci, da aminci a cikin daidaitaccen girman kunshin da ake amfani da shi sosai.

10. Tambayoyin da ake yawan yi (FAQ)

Q1: Menene shawarar halin yanzu na aiki don wannan LED?

A1: Duk da yake matsakaicin halin yanzu na ci gaba shine 30mA, halin yanzu na aiki na gaba ɗaya na alama shine 5mA zuwa 20mA. Dole ne a zaɓi ainihin halin yanzu dangane da hasken da ake buƙata da ƙirar thermal, yana tabbatar da zafin jiki na haɗin gwiwa ya kasance ƙasa da 95°C.

Q2: Ta yaya zan fassara kwandon kwas na vol (A1, B2, da sauransu)?

A2: Waɗannan lambobin suna wakiltar kewayon ƙarfin vol na gaba na LED a 5mA. Misali, LED "A1" zai sami V_Ftsakanin 1.6V da 1.7V. Zaɓin takamaiman kwandon kwas yana taimakawa wajen ƙirar da'irori masu motsa jiki masu hasashe da inganci.

Q3: Shin zan iya amfani da wannan LED a aikace-aikacen waje?

A3: Kewayon zafin jiki na aiki shine -40°C zuwa +85°C, wanda ya rufe yanayin waje da yawa. Duk da haka, dole ne a tantance juriyar kayan ruwan tabarau na musamman ga hasken UV da kuma rufewar yanayi na haɗin samfurin ƙarshe don dorewar waje na dogon lokaci.

Q4: Me ya sa sarrafa thermal ke da mahimmanci ga LEDs?

A4: Zafi mai yawa yana rage fitarwar haske (ƙarfin haske), yana canza launi (tsawon tsarin launi), da rage rayuwar LED sosai. Aiki sama da matsakaicin zafin jiki na haɗin gwiwa zai iya haifar da gazawar halaka.

11. Nazarin Ƙira da Aikace-aikacen Case

Yanayi: Ƙirar Panel na Nuni na Matsayi don Mai Sarrafa Masana'antu.

Mai ƙira yana buƙatar LED rawaya iri ɗaya da yawa don nuna yanayin injin daban-daban (Gudu, Tsaya, Kuskure, Gargadi). Ta hanyar ƙayyade LEDs daga kwandon kwas ɗaya na tsawon tsarin launi (misali, E20: 592.5-595nm) da kwandon kwas na ƙarfin haske (misali, C00: 18-28 mcd), an tabbatar da daidaiton gani a duk faɗin panel. Amfani da shirin gyaɗa da aka ba da shawarar yana tabbatar da ingantaccen haɗawa ta atomatik. Mai ƙira ya ƙididdige halin yanzu na motsa jiki na 15mA ta amfani da resistor na jere, dangane da samar da wutar lantarki na 5V da kuma na al'ada V_Fna zaɓaɓɓen kwandon kwas na vol. Bita na thermal na shirin PCB ya tabbatar da cewa zafin jiki na haɗin gwiwa ya kasance ƙasa da iyaka na 95°C, yana tabbatar da aminci na dogon lokaci.

12. Gabatarwar Ka'idar Fasaha

Wannan LED shine tushen haske mai tsayayye. An yi shi ta hanyar amfani da guntu na semiconductor wanda ke fitar da haske lokacin da halin yanzu ya wuce ta gaba. Takamaiman launin rawaya ana samun ta ta hanyar amfani da tsarin kayan guntu (misali, bisa AlInGaP ko makamantansu) wanda aka ƙera don fitar da photons a cikin tsawon tsarin launi na yankin rawaya na bakan gani (kimanin 585-595 nm). Sa'an nan kuma an siffata hasken kuma an watsu ta hanyar kullun epoxy don samar da halayen fa'idar kallo mai faɗi.

13. Trends na Fasaha

Yanayin gaba ɗaya a cikin LEDs na SMT irin wannan yana ci gaba zuwa mafi inganci (ƙarin fitarwar haske a kowace raka'ar wutar lantarki), ingantacciyar daidaiton launi da jikewa, da ƙara ƙaramin girman kaya. Haka kuma an mai da hankali kan inganta aminci a ƙarƙashin yanayin zafin jiki da danshi mafi girma. Yaduwar amfani da duba na gani ta atomatik (AOI) a cikin ƙirar ya ƙara ɗaga mahimmancin daidaitaccen sanya kayan aiki da daidaiton halayen gani, wanda aka magance ta cikakkun tsarin rarraba da ake samu a cikin takamaiman bayanai kamar wannan.