Bayanin Fasaha na SMD LED Mai Haske Raɗaɗi 1206 - Girman 3.2x1.6x1.1mm - Ƙarfin Gaba 2.0V - Wutar Lantarki 75mW - Takaddun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanan fasaha na babban LED mai haske raɗaɗi wanda ake haɗawa a saman. Na'urar tana amfani da ingantaccen guntu na semiconductor AlInGaP (Aluminum Indium Gallium Phosphide), wanda aka san shi da samar da ingantaccen haske da tsaftar launi. An sanya LED ɗin a cikin daidaitaccen kayan 1206, wanda ya sa ya dace da layukan haɗawa ta atomatik da kuma tsarin gudanarwa na infrared ko tururi. An ƙera shi a matsayin samfurin kore mai bin ka'idodin RoHS, wanda ya dace da aikace-aikace da yawa waɗanda ke buƙatar mai nuna alama mai aminci da haske raɗaɗi.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Babban fa'idodin wannan LED sun haɗa da babban haskensa, daidaitaccen aiki a cikin ƙayyadaddun kwandon, da kuma dacewa da dabarun haɗawa na masana'antu. Matsakaicin ƙarfin haskensa ya kai har zuwa 180 millicandelas (mcd) a daidaitaccen ƙarfin gudanarwa na 20mA. Kasuwannin da ake nufi da wannan sashi suna da faɗi, sun haɗa da na'urorin lantarki na masu amfani, kwamitocin sarrafa masana'antu, hasken cikin mota, alamun kasuwanci, da aikace-aikacen nuna alama na gabaɗaya inda ake buƙatar siginar raɗaɗi mai haske da ƙarfi.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Iyakar Ƙimar Ƙima

Yin amfani da na'urar fiye da waɗannan iyakoki na iya haifar da lalacewa na dindindin. An ƙayyade iyakar ƙimar ƙima a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):75 mW. Wannan shine iyakar adadin wutar lantarki da kayan LED ɗin za su iya watsawa cikin aminci a matsayin zafi.
• Ƙarfin Gaba na Kololuwa (I_FP):80 mA. Wannan shine iyakar ƙarfin halin yanzu da aka yarda da shi, yawanci a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Kada a yi amfani da shi don ci gaba da aikin DC.
• Ƙarfin Gaba na DC (I_F):30 mA. Wannan shine iyakar ƙarfin gaba na ci gaba da aka ba da shawarar don aiki mai dogon lokaci mai aminci.
• Ƙarfin Juyawa (V_R):5 V. Yin amfani da ƙarfin juyawa wanda ya wuce wannan ƙimar na iya rushe haɗin PN na LED.
• Yanayin Aiki & Ma'ajiyar Zafin Jiki:-55°C zuwa +85°C. Na'urar na iya aiki kuma ana adana ta a cikin wannan faɗin yanayin zafin jiki.
• Yanayin Gudanarwa na Infrared:Yana jure 260°C na dakika 5, wanda shine daidaitaccen yanayi don tsarin gudanarwa mara gubar (Pb-free).

2.2 Halayen Lantarki da Gani

Ana auna sigogi masu zuwa a Ta=25°C da ƙarfin gaba (I_F) na 20mA, sai dai idan an faɗi akasin haka. Waɗannan suna ƙayyade ainihin aikin LED.

• Ƙarfin Hasken (I_V):18.0 (Ƙarami) zuwa 180.0 (Mafi girma) mcd. Ainihin ƙarfin na takamaiman naúrar ana ƙaddara shi ta lambar kwandon sa (duba Sashe na 3). Ana yin ma'auni tare da tacewa wanda ya kusanci lanƙwaran amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ_1/2):Digiri 130 (Na al'ada). Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimarsa a tsakiyar axis (0°). Faɗin kusurwar dubawa kamar wannan yana ba da tsarin haske mai faɗi, wanda ya dace da masu nuna alama na panel.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):595 nm (Na al'ada). Wannan shine tsawon tsawon lokacin da rarraba ƙarfin haske na fitar da haske ya kasance a mafi girmansa.
• Matsakaicin Tsawon Tsawon (λ_d):587 zuwa 602 nm. An samo wannan daga zanen launi na CIE kuma yana wakiltar launin hasken da aka gani. Rashin haƙuri shine ±1 nm.
• Rabin Faɗin Layin Bakan (Δλ):16 nm (Na al'ada). Wannan yana nuna tsaftar bakan; ƙaramin ƙimar yana nufin launi mai launi ɗaya.
• Ƙarfin Gaba (V_F):1.8V (Ƙarami), 2.0V (Typ), 2.4V (Mafi girma) a I_F=20mA. Rashin haƙuri shine ±0.1V. Wannan sigogi yana da mahimmanci don ƙirar da'irar iyakancewa na halin yanzu.
• Ƙarfin Juyawa (I_R):10 µA (Mafi girma) a V_R=5V.
• Ƙarfin Ƙarfi (C):40 pF (Na al'ada) a V_F=0V, f=1MHz. Wannan yana da alaƙa da aikace-aikacen sauyawa mai girma.

3. Bayanin Tsarin Kwandon

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin cikin kwandon. Wannan samfurin yana amfani da tsarin kwandon da farko don ƙarfin haske.

3.1 Kwandon Ƙarfin Hasken

Ana auna ƙarfin a I_F=20mA. Ana yiwa alamar lambar kwandon a kan reel ɗin marufi. Rashin haƙuri a cikin kowane kwandon shine ±15%.

• Lambar Kwandon M:18.0 – 28.0 mcd
• Lambar Kwandon N:28.0 – 45.0 mcd
• Lambar Kwandon P:45.0 – 71.0 mcd
• Lambar Kwandon Q:71.0 – 112.0 mcd
• Lambar Kwandon R:112.0 – 180.0 mcd

Masu ƙira yakamata su ƙayyade lambar kwandon da ake buƙata lokacin yin oda don tabbatar da matakin haske da ake buƙata don aikace-aikacensu. Don aikace-aikacen da ba sa buƙatar daidaitaccen daidaiton haske, ana iya karɓar faɗin kwandon don rage farashi.

4. Bincike na Lanƙwaran Aiki

Yayin da aka ambaci takamaiman lanƙwaran a cikin takaddun bayanai (Hoto 1, Hoto 5), ana iya bayyana halayensu na al'ada bisa ga ilimin kimiyyar semiconductor da halayen LED na al'ada.

4.1 Ƙarfin Gaba vs. Ƙarfin Gaba (Lanƙwaran I-V)

Kayan AlInGaP suna da ƙarfin gaba na al'ada a cikin kewayon 1.8V zuwa 2.4V. Lanƙwaran I-V yana da ƙima. Ƙaramin ƙaruwar ƙarfin lantarki fiye da bakin kofa (kusan 1.6V-1.7V) yana haifar da babban ƙaruwar halin yanzu, wanda ba na layi ba. Wannan yana jaddada buƙatar mahimmanci na resistor mai iyakancewa ko direba mai ƙarfi na yau da kullun, saboda haɗa LED kai tsaye zuwa tushen ƙarfin lantarki kaɗan sama da V_Fzai haifar da ƙarfin halin yanzu mai yawa da gazawar nan take.

4.2 Ƙarfin Hasken vs. ƙarfin Gaba

Fitowar haske (ƙarfin haske) yana da kusan daidai da ƙarfin gaba a cikin kewayon aiki na al'ada (har zuwa matsakaicin ƙarfin DC). Gudanar da LED a ƙarfin halin yanzu ƙasa da 20mA zai rage haske daidai gwargwado, yayin da gudanar da shi sama da 20mA (har zuwa 30mA) zai ƙara haske amma kuma yana haifar da ƙarin zafi, yana iya rage tsawon rayuwa da haifar da canjin launi.

4.3 Halayen Zafin Jiki

Kamar duk LED, aikin wannan na'urar yana dogara da zafin jiki. Yayin da zafin haɗin ya ƙaru:

• Ƙarfin Hasken yana raguwa.Fitowa na iya faɗuwa sosai a yanayin zafi mai girma.
• Ƙarfin Gaba yana raguwa.V_Fyana da ƙimar zafin jiki mara kyau.
• Matsakaicin Tsawon Tsawon na iya canzawa kaɗan,yana iya shafar launin da aka gani.

Daidaitaccen sarrafa zafi a cikin ƙirar aikace-aikace yana da mahimmanci don kiyaye daidaitaccen aiki da tsawon rayuwa.

4.4 Rarraba Bakan

Lanƙwaran fitar da bakan na wannan LED raɗaɗi na AlInGaP yana da siffa ta guda ɗaya, kololuwa mai rinjaye a kusa da 595 nm tare da kunkuntar rabin faɗi na 16 nm. Wannan yana haifar da cikakken launin raɗaɗi, ba tare da fitar da haske mai mahimmanci a cikin yankunan bakan ja ko kore ba.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

An sanya LED ɗin a cikin daidaitaccen kayan 1206 na haɗawa a saman (SMD). Babban girmansa ya haɗa da tsawon jiki kusan 3.2 mm, faɗin 1.6 mm, da tsayi na 1.1 mm. Kunshin yana da ruwa mai tsabta wanda ba ya watsa hasken, yana barin hasken guntu da launi na asali su cika. An ba da cikakkun zane-zane na injiniya tare da rashin haƙuri (±0.10 mm yawanci) a cikin takaddun bayanai don ƙirar sawun PCB.

5.2 Gano Polarity da Ƙirar Kafet

Cathode (tashar mara kyau) yawanci ana gano shi ta hanyar alamar kore akan kunshin ko tsaga a cikin ruwan tabarau. Yana da mahimmanci a daidaita LED daidai akan PCB. An ba da ƙayyadaddun girman kafet ɗin gudanarwa don tabbatar da haɗin gudanarwa mai aminci da daidaitaccen jeri yayin sake kwarara. Ƙirar kafet ɗin tana lissafin taimakon zafi kuma tana hana kabari (ɗayan ƙarshen yana ɗagawa yayin gudanarwa).

6. Jagororin Gudanarwa da Haɗawa

6.1 Bayanin Gudanarwa na Sake Kwarara

An haɗa da shawarar bayanin sake kwarara na infrared (IR) don hanyoyin marasa gubar. Babban sigogi sun haɗa da:

• Preheat:Hawa zuwa 120-150°C.
• Lokacin Jiƙa/Preheat:Matsakaicin dakika 120.
• Matsakaicin Zafin Jiki:Matsakaicin 260°C.
• Lokaci Sama da Liquidus:Dakika 5 mafi girma a matsakaicin zafin jiki.

Bin wannan bayanin yana hana girgizar zafi da lalata ruwan tabarau na epoxy na LED da haɗin waya na ciki.

6.2 Tsaftacewa da Ajiya

Tsaftacewa:Idan tsaftacewa bayan gudanarwa ya zama dole, kawai yi amfani da takamaiman kaushi. Ana ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl a zafin daki na ƙasa da minti ɗaya. Mugun ko sinadarai marasa ƙayyadaddun suna iya lalata ruwan tabarau na filastik, yana haifar da hazo ko fashewa.

Ajiya:Yakamata a adana LED a cikin ainihin marufinsu na hana danshi a yanayin da bai wuce 30°C da 70% danshin muhalli ba. Da zarar an cire su daga marufi, yakamata a gudanar da su cikin mako ɗaya. Don ajiyar dogon lokaci a waje da jakar asali, dole ne a adana su a cikin akwati mai rufi tare da busassun abu ko a cikin yanayin nitrogen. Idan an adana su fiye da mako ɗaya a waje da jakar, ana buƙatar gasa a kusan 60°C na aƙalla sa'o'i 24 kafin gudanarwa don cire danshin da aka sha kuma a hana "popcorning" yayin sake kwarara.

7. Bayanin Kunshin da Oda

Ana ba da LED ɗin akan tef ɗin ɗaukar kaya mai faɗin 8mm wanda aka nannade akan reels masu diamita 7-inch (178 mm). Kowane reel yana ɗauke da guda 4000. An rufe aljihunan tef ɗin tare da tef ɗin saman don kare abubuwan. Kunshin ya yi daidai da ƙa'idodin ANSI/EIA-481-1-A. Don ƙananan adadi, akwai mafi ƙarancin shiryawa na guda 500 don ragowar kuri'a. Lambar sashi LTST-C190KYKT ta keɓance wannan bambancin samfurin (ruwan tabarau mai tsabta, guntu na AlInGaP, launin raɗaɗi).

8. Bayanan Aikace-aikace da Abubuwan Ƙira

8.1 Ƙirar Da'irar Gudanarwa

LED ɗin na'urori ne masu gudanar da halin yanzu. Mafi mahimmancin ƙa'idar ƙira ita ce koyaushe a yi amfani da resistor mai iyakancewa na jerin lokacin gudanarwa daga tushen ƙarfin lantarki. Ana iya ƙididdige ƙimar resistor (R) ta amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Misali, don gudanar da LED a 20mA daga wadataccen 5V tare da V na al'ada_Fna 2.0V: R = (5V - 2.0V) / 0.020A = 150 Ω. Dole ne a yi amfani da resistor ga kowane LED lokacin haɗa LED da yawa a layi daya (Samfurin Da'ira A). Haɗa LED kai tsaye a layi daya ba tare da resistors ɗaya ɗaya ba (Samfurin Da'ira B) ba a ba da shawarar saboda bambance-bambance a cikin V na mutum_Fhalaye, wanda ke haifar da rarraba halin yanzu mara daidaituwa da matakan haske daban-daban.

8.2 Kariya daga Zubar da Lantarki (ESD)

Wannan LED yana da hankali ga zubar da lantarki. ESD na iya haifar da lalacewa a ɓoye, yana haifar da ƙaruwar ƙarfin juyawa mai ɓarna, rage ƙarfin gaba, ko cikakkiyar gazawa (babu fitar da haske). Matakan rigakafin dole ne a yi su yayin sarrafawa da haɗawa:

• Yi amfani da bel ɗin wuyan ƙasa da katifa masu hana tashin hankali.
• Tabbatar duk kayan aiki da wuraren aiki suna ƙasa da kyau.
• Yi amfani da masu ionizer don daidaita cajin tsaye wanda zai iya taruwa akan ruwan tabarau na filastik.

Don gwada yuwuwar lalacewar ESD, duba ko LED yana haskakawa a ƙaramin halin yanzu (misali, 0.1mA). LED na AlInGaP mai lafiya yakamata ya sami V_F> 1.4V a wannan yanayin gwaji.

8.3 Gudanar da Zafin Jiki

Ko da yake rushewar wutar lantarki yana da ƙasa kaɗan (75mW matsakaici), ingantaccen nutsewar zafi ta hanyar kafet ɗin tagulla na PCB yana da mahimmanci don kiyaye ingantaccen fitar da haske da dogon rayuwa, musamman a cikin yanayin zafi mai girma ko lokacin gudanarwa kusa da matsakaicin halin yanzu. Tabbatar da shimfidar PCB yana ba da isasshen yanki na tagulla da aka haɗa zuwa kafet ɗin zafi na LED.

9. Amincewa da Gwaji

Samfurin yana ƙarƙashin gwaje-gwajen amincin daidaitaccen bisa ga ƙa'idodin masana'antu. Waɗannan gwaje-gwajen na iya haɗawa da gwajin rayuwar aiki a zafin daki da yanayin zafi, zagayowar zafi, gwajin danshi, da gwaje-gwajen gudanarwa. An ambaci takamaiman yanayin gwaji da ƙa'idodi a cikin takaddun bayanai don tabbatar da ƙarfin sashi don aikace-aikacen kasuwanci da masana'antu.

10. Tambayoyin da ake yawan yi (FAQ)

10.1 Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

Matsakaicin Tsawon Tsawon (λ_P) shine tsawon tsawon jiki inda fitar da haske ya fi ƙarfi. Matsakaicin Tsawon Tsawon (λ_d) ƙimar ƙididdiga ce daga kimiyyar launi (zanen CIE) wanda ya fi wakiltar launin da idon ɗan adam ya gani. Don tushen launi ɗaya kamar wannan LED raɗaɗi, sau da yawa suna kusa amma ba iri ɗaya ba.

10.2 Zan iya gudanar da wannan LED ba tare da resistor mai iyakancewa ba?

A'a. Ƙarfin gaba ba ƙima ce mai ƙayyadaddun ƙima ba amma yana bambanta kaɗan daga naúrar zuwa naúrar kuma yana raguwa da zafin jiki. Haɗa shi kai tsaye zuwa tushen ƙarfin lantarki zai haifar da halin yanzu mara sarrafawa kuma mai yuwuwar lalacewa. Koyaushe ana buƙatar resistor na jerin ko direba mai ƙarfi na yau da kullun.

10.3 Me yasa akwai faɗin kewayon a cikin ƙayyadaddun ƙarfin haske (18-180 mcd)?

Wannan shine jimillar yuwuwar kewayon a duk kwandon samarwa. Ainihin LED ɗin ana rarraba su cikin ƙunƙuntaccen kwandon (M, N, P, Q, R) kamar yadda aka bayyana a Sashe na 3. Dole ne ku ƙayyade kwandon haske da ake buƙata lokacin yin oda don samun daidaitaccen aiki.

10.4 Shin wannan LED ya dace da amfani a waje?

Kewayon yanayin aiki (-55°C zuwa +85°C) yana ba da damar amfani a yawancin yanayin waje. Duk da haka, dogon lokaci na fallasa hasken rana kai tsaye na UV na iya lalata kayan ruwan tabarau na epoxy bayan lokaci, yana iya haifar da canza launi ko rage fitar da haske. Don aikace-aikacen waje masu tsauri, yakamata a yi la'akari da LED masu ruwan tabarau masu hana UV.

11. Misalin Aikace-aikace na Aiki

Yanayi: Ƙirar panel mai nuna matsayi don mai sarrafa masana'antu.Panel ɗin yana buƙatar LED 10 masu haske raɗaɗi don nuna "tsarin aiki" ko "gargadi." Layin wutar lantarki na tsarin shine 3.3V.

Matakan Ƙira:

1. Zaɓin Halin Yanzu:Zaɓi ƙarfin gudanarwa na 20mA don daidaitaccen daidaito na haske da tsawon rayuwa.
2. Ƙididdigar Resistor:Yin amfani da mafi girman V_F(2.4V) don ƙira mai ra'ayin mazan jiya yana tabbatar da cewa ba a taɓa gudanar da LED ba ko da tare da bambancin naúrar zuwa naúrar. R = (3.3V - 2.4V) / 0.020A = 45 Ω. Mafi kusancin ƙimar daidaitaccen shine 47 Ω.
3. Wutar Lantarki a cikin Resistor:P = I²* R = (0.020)²* 47 = 0.0188W. Daidaitaccen resistor 1/8W (0.125W) ya fi isa.
4. Topology na Da'ira:Yi amfani da da'irori iri ɗaya 10, kowannensu yana da LED ɗaya da resistor ɗaya 47Ω da aka haɗa zuwa layin 3.3V. Kada a haɗa LED 10 a layi daya suna raba resistor ɗaya.
5. Shimfidar PCB:Bi shawarar shimfidar kafet daga takaddun bayanai. Haɗa da ƙaramin juzu'in tagulla da aka haɗa zuwa kafet ɗin cathode/anode don ɗan taimakon zafi.
6. Yin Oda:Ƙayyade Lambar Kwandon "R" (112-180 mcd) don tabbatar da cewa masu nuna alama suna da haske iri ɗaya kuma ana iya gani a fili.

12. Gabatarwar Fasaha da Trends

12.1 Ka'idar Fasahar AlInGaP

AlInGaP wani abu ne na semiconductor na III-V inda Aluminum (Al), Indium (In), Gallium (Ga), da Phosphorus (P) suka haɗu a cikin takamaiman ma'auni. Ta hanyar daidaita waɗannan ma'auni, ana iya ƙera bandgap na kayan, wanda kai tsaye yana ƙayyade tsawon tsawon (launi) na hasken da aka fitar lokacin da electrons da ramuka suka sake haɗuwa. AlInGaP yana da inganci musamman a cikin yankunan bakan ja, orange, amber, da raɗaɗi, yana ba da inganci mafi girma da ingantaccen kwanciyar hankali na zafin jiki fiye da tsofaffin fasahohi kamar GaAsP.

12.2 Trends na Masana'antu

Gabaɗayan yanayin a cikin SMD LED masu nuna alama yana zuwa ga ingantaccen inganci (ƙarin fitar da haske a kowace raka'a na wutar lantarki), ingantaccen daidaiton launi ta hanyar ƙunƙuntaccen kwandon, da ƙaruwar amincin ƙarƙashin manyan yanayin gudanarwa na zafi da ake buƙata don haɗawa mara gubar. Hakanan akwai motsi zuwa ƙananan ƙira (ƙananan kayan kamar 0402 da 0201) don aikace-aikacen da ke da ƙarancin sarari, kodayake kunshin 1206 ya kasance sananne don sauƙin sarrafawa, kyakkyawan ganin haɗin gudanarwa, da ingantaccen aikin zafi. Wani yanayi kuma shine haɗakar resistors na kan jirgi ko direbobin IC a cikin kunshin LED don sauƙaƙe ƙirar da'ira.