Takardar Bayanin Fasaha ta SMD LED LTST-M140TGKT - 3.2x1.6x1.2mm - 3.8V Matsakaici - 80mW - Ruwa Bayyananne Gilashin Koriya - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanan fasaha na LTST-M140TGKT, wata na'ura mai haskakawa (LED) da ake haɗawa ta hanyar allon da'ira (PCB). An ƙera wannan sashi don tsarin haɗa PCB ta atomatik kuma ya dace da aikace-aikacen da sarari ya zama muhimmiyar matsala. LED ɗin yana da gilashin ruwa bayyananne wanda ke ɗauke da guntu na semiconductor na InGaN (Indium Gallium Nitride) wanda ke fitar da haske kore.

Manufofin ƙira na farko don wannan dangin LED sun haɗa da dacewa da ƙirar masana'antu mai yawa, amincin aiki a ƙarƙashin yanayin aiki na yau da kullun, da kuma ingantaccen aikin gani. An ƙera waɗannan LED ɗin don biyan buƙatun kayan lantarki na zamani, suna ba da ma'auni na girma, aiki, da ingancin farashi don ayyukan nuna alama da haskakawa.

1.1 Siffofi

• Ya bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• An shirya shi a cikin madaidaicin tef na masana'antu na 12mm akan reels masu diamita 7-inch don kayan aikin ɗauka da sanyawa ta atomatik.
• Tsarin fakitin madaidaicin EIA (Ƙungiyar Masana'antu ta Lantarki).
• Halayen shigarwa/fitarwa sun dace da matakan dabaru na da'irar haɗin kai (IC) na yau da kullun.
• An ƙera shi don dacewa da tsarin sanyawa da haɗawa ta atomatik.
• Yana jurewa tsarin haɗa ƙarfe ta hanyar infrared (IR) reflow da ake amfani da shi a fasahar haɗawa ta saman (SMT).
• An riga an shirya shi zuwa Matakin Hatsarin Danshi na JEDEC (Majalisar Ƙirar Na'urorin Lantarki) 3, yana nuna rayuwar bene na sa'o'i 168 a <30°C/60% RH bayan an buɗe jakar.

1.2 Aikace-aikace

This LED is intended for use as a status indicator, backlight, or signal source in a wide range of electronic products. Typical application areas include:

• Kayan aikin sadarwa (misali, na'urorin hanyar sadarwa, masu sauya, wayoyi).
• Na'urori masu sarrafa kansa na ofis (misali, firinta, na'urori masu dubawa, na'urori masu ayyuka da yawa).
• Kayan aikin gida da na'urorin lantarki na masu amfani.
• Panels da kayan aikin sarrafa masana'antu.
• Hasken baya na gaban panel don nuni da maɓallai.
• Fitilun alama ko na bayanai a cikin saitunan cikin gida.

2. Girman Fakitin da Bayanan Injiniya

LTST-M140TGKT yana amfani da madaidaicin fakitin SMD LED. An ƙayyade launin gilashin a matsayin \"Ruwa Bayyananne,\" kuma launin tushen haske shine Kore, wanda guntun InGaN ya samar.

Muhimman Bayanan Injiniya:

• Duk ma'auni na layi da aka bayar a cikin zanen fakitin suna cikin milimita (mm).
• Madaidaicin jurewar girma shine ±0.2 mm (±0.008 inci) sai dai idan wani takamaiman bayanin kula a kan zanen ya nuna in ba haka ba.
• An ƙera fakitin don kwanciyar hankali yayin tsarin haɗa ƙarfe ta reflow da kuma ingantaccen aikin gani a tsawon rayuwar samfurin.

3. Ƙima da Halaye

An ayyana duk ƙayyadaddun bayanai a yanayin zafin jiki (Ta) na 25°C sai dai idan an faɗi in ba haka ba. Wucewa Matsakaicin Ƙimar Ƙarshe na iya haifar da lalacewa ta dindindin ga na'urar.

3.1 Matsakaicin Ƙimar Ƙarshe

• Rushewar Wutar Lantarki (Pd):80 mW
• Matsakaicin Halin Gaba (I_F(PEAK)):100 mA (Matsakaicin izini a ƙarƙashin yanayin bugun jini tare da aikin 1/10 da faɗin bugun 0.1ms).
• Ci gaba da Halin Gaba (I_F):20 mA (DC).
• Kewayon Zafin Aiki (T_opr):-40°C zuwa +85°C.
• Kewayon Zafin Ajiya (T_stg):-40°C zuwa +100°C.

3.2 Shawarar Tsarin IR Reflow don Tsarin Ba tare da Gubar ba

An cancanta sashi don tsarin haɗa ƙarfe mara gubar. Shawarar tsarin reflow ta yi daidai da madaidaicin J-STD-020B. Muhimman sigogi na wannan tsarin sun haɗa da sarrafa pre-heat, ƙayyadadden lokaci sama da ruwa, da matsakaicin zafin jiki bai wuce 260°C ba. Dole ne a inganta takamaiman ƙimar hawan, lokutan jiƙa, da ƙimar sanyaya don takamaiman haɗin PCB, amma tsarin yana tabbatar da cewa an kiyaye ingancin fakitin LED yayin haɗa ƙarfe.

3.3 Halayen Lantarki da Na Gani

Ana auna aikin na yau da kullun a I_F= 20 mA, Ta = 25°C.

• Ƙarfin Hasken Hasken (Φ_v):0.84 lm (Ƙarami), 2.70 lm (Matsakaici). An auna shi tare da firikwensin/tace wanda ya kusanci lanƙwaran amsawar ido na CIE photopic.
• Ƙarfin Hasken Hasken (I_v):280 mcd (Ƙarami), 900 mcd (Matsakaici). Wannan ƙimar da aka samo daga ƙarfin hasken haske ne don tunani; babban ƙayyadaddun bayanin gani shine ƙarfin hasken haske.
• Kusurwar Dubawa (2θ_1/2):Digiri 120 (Na yau da kullun). An ayyana shi azaman cikakken kusurwar da ƙarfin ya rabi matsakaicin ƙarfin axial.
• Matsakaicin Tsawon Tsawon Watsawa (λ_P):518 nm (Na yau da kullun). Tsawon zango wanda rarraba ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Tsawon (λ_d):520 nm zuwa 535 nm. Tsawon zango guda ɗaya da idon ɗan adam ya fahimta wanda ke ayyana launi. Jurewar shine ±1 nm a cikin kwandon sa.
• Rabin Faɗin Layin Bakan (Δλ):35 nm (Na yau da kullun). Faɗin bakan a 50% na matsakaicin ƙarfin.
• Ƙarfin Gaba (V_F):2.8 V (Ƙarami), 3.8 V (Matsakaici) a 20mA. Jurewar takamaiman kwandon shine ±0.1V.
• Halin Baya (I_R):10 μA (Matsakaici) a V_R= 5V. Ba a ƙera na'urar don aiki a cikin karkatar da baya ba; wannan gwajin don tabbatar da inganci ne kawai.

Muhimman Bayanan Aunawa:

1. Ƙarfin hasken haske shine babban adadin photometric. An ba da ƙarfin hasken haske (mcd) don tunani bisa madaidaicin yanayin aunawa.
2. An ayyana kusurwar dubawa ta maki rabin ƙarfi.
3. Matsakaicin tsawon zango an samo shi daga madaidaitan chromaticity na CIE.
4. Gwajin ƙarfin baya don tabbatar da inganci na ciki ne; bai kamata a sanya LED a cikin karkatar da baya a cikin da'irar aikace-aikace ba.

4. Tsarin Matakin Kwandon

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin cikin kwanduna bisa muhimman sigogi. Wannan yana ba masu ƙira damar zaɓar kwandon da ya dace don buƙatun aikace-aikacensu.

4.1 Matsayin Ƙarfin Gaba (V_F)

Rarrabawa a I_F= 20 mA don launin Kore.

Lambar Kwandon D7: 2.8V - 3.0V

Lambar Kwandon D8: 3.0V - 3.2V

Lambar Kwandon D9: 3.2V - 3.4V

Lambar Kwandon D10: 3.4V - 3.6V

Lambar Kwandon D11: 3.6V - 3.8V

Jurewa a cikin kowane kwandon: ±0.1V.

4.2 Matsayin Ƙarfin Hasken Hasken / Ƙarfi

Rarrabawa a I_F= 20 mA don launin Kore. Ƙarfin Hasken Hasken don tunani ne.

Lambar Kwandon E1: 0.84 lm - 1.07 lm (280 mcd - 355 mcd)

Lambar Kwandon E2: 1.07 lm - 1.35 lm (355 mcd - 450 mcd)

Lambar Kwandon F1: 1.35 lm - 1.68 lm (450 mcd - 560 mcd)

Lambar Kwandon F2: 1.68 lm - 2.13 lm (560 mcd - 710 mcd)

Lambar Kwandon G1: 2.13 lm - 2.70 lm (710 mcd - 900 mcd)

Jurewa akan kowane kwandon ƙarfin hasken haske: ±11%.

4.3 Matsayin Hue (Matsakaicin Tsawon Tsawon)

Rarrabawa a I_F= 20 mA don launin Kore.

Lambar Kwandon AP: 520.0 nm - 525.0 nm

Lambar Kwandon AQ: 525.0 nm - 530.0 nm

Lambar Kwandon AR: 530.0 nm - 535.0 nm

Jurewa a cikin kowane kwandon: ±1 nm.

5. Madaidaicin Lanƙwasa Aiki

An ba da hotunan hotuna na muhimman halaye don taimakawa wajen ƙira. Waɗannan lanƙwasan na yau da kullun ne kuma sun dogara ne akan gwaji a yanayin zafin jiki na 25°C.

• Dangantakar Ƙarfin Hasken Hasken da Halin Gaba:Yana nuna alaƙar da ba ta da layi tsakanin halin tuƙi da fitar da haske.
• Ƙarfin Gaba da Halin Gaba:Yana kwatanta halayen I-V na diode.
• Dangantakar Ƙarfin Hasken Hasken da Yanayin Yanayi:Yana nuna raguwar fitar da haske yayin da zafin haɗin ya ƙaru.
• Rarraba Ƙarfin Bakan:Yana nuna ƙarfin hasken da ya dace a matsayin aikin tsawon zango, wanda ya ta'allaka ne a kusa da 518 nm.
• Tsarin Kusurwar Dubawa:Zanen polar da ke nuna rarraba kusurwar ƙarfin hasken haske.

Waɗannan lanƙwasan suna da mahimmanci don ƙirar da'irar tuƙi da ta dace, sarrafa tasirin zafi, da fahimtar rarraba haske na sarari don ƙirar tsarin gani.

6. Jagorar Mai Amfani da Umarnin Sarrafawa

6.1 Tsaftacewa

Kada a yi amfani da masu tsaftacewa na sinadarai waɗanda ba a bayyana ba saboda suna iya lalata kayan fakitin LED (gilashin epoxy). Idan ana buƙatar tsaftacewa bayan haɗa ƙarfe, hanyar da aka ba da shawarar ita ce nutsar da LED a cikin barasa na ethyl ko isopropyl alcohol a zafin daki na tsawon lokacin da bai wuce minti ɗaya ba. Ya kamata motsi ya zama mai laushi don guje wa damuwa na injiniya.

6.2 Shawarar Tsarin Ƙasar PCB

An ba da shawarar tsarin kafet ɗin haɗa ƙarfe na infrared ko reflow na lokacin tururi. An ƙera wannan tsarin don tabbatar da ingantaccen samuwar haɗin gwiwa, daidaitawar kai da kai yayin reflow saboda tashin hankali na saman, da isasshen taimakon zafi. Girman yana daidaita ƙarar haɗa ƙarfe, ƙarfin haɗin gwiwa, da hana haɗa gado.

6.3 Ƙayyadaddun Shirye-shiryen Tef da Reel

Ana ba da LED ɗin a cikin tef ɗin mai ɗaukar kaya tare da tef ɗin kariya, wanda aka nannade akan reels masu diamita 7-inch (178 mm). An ƙayyade cikakkun ma'auni don girman aljihu, faɗin tef, tazara, da cibiyar reel don tabbatar da dacewa da masu ciyar da kayan aikin SMT ta atomatik. Madaidaicin adadin reel shine guda 3000.

6.4 Bayanan Reel da Shirye-shirye

• Ana rufe aljihunan da ba kowa a cikin tef ɗin tare da tef ɗin murfin.
• Madaidaicin shiryawa: guda 3000 a kowane reel na 7-inch.
• Mafi ƙarancin adadin oda (MOQ) na guda 500 yana samuwa don sauran adadi.
• Shiryawa ya yi daidai da ƙayyadaddun ANSI/EIA-481.
• Ana ba da izinin mafi girman abubuwa biyu masu zuwa a jere (aljihunan fanko) bisa ga ƙayyadaddun tef.

7. Gargaɗi da Bayanan Aikace-aikace

7.1 Aikace-aikacen Da Ake Nufi

An ƙera wannan LED don amfani da shi a cikin madaidaicin kayan aikin lantarki na kasuwanci da masana'antu, gami da sarrafa kansa na ofis, sadarwa, kayan aikin gida, da aikace-aikacen nuna alama na gaba ɗaya. Ba a ƙera shi musamman ko gwada shi don aikace-aikacen da gazawar zai iya haifar da haɗari kai tsaye ga rayuwa, lafiya, ko aminci (misali, sarrafa jiragen sama, tallafin rayuwa na likita, tsarin amincin sufuri). Don irin waɗannan aikace-aikacen masu aminci, tuntuɓar masana'anta na sashi don tantance dacewa ya zama dole.

7.2 Yanayin Ajiya

Jakar Shinge na Danshi (MBB):Ajiye a ≤30°C da ≤70% Danshi Dangi (RH). Abubuwan suna da rayuwar shinge na shekara guda daga ranar lamba lokacin da aka ajiye su a cikin jakar asali tare da desiccant.

Bayan Buɗe Jakar:\"Rayuwar bene\" a ≤30°C / ≤60% RH shine sa'o'i 168 (JEDEC MSL 3). Abubuwan da aka fallasa fiye da wannan lokacin na iya ɗaukar danshi, wanda zai haifar da yuwuwar \"popcorning\" ko rabuwa yayin haɗa ƙarfe ta reflow.

Ƙarin Ajiya (A wajen Jakar):Don ajiya fiye da sa'o'i 168, sanya abubuwan a cikin akwati mai rufi tare da sabon desiccant ko a cikin desiccator mai tsabtace nitrogen.

Rebaking:Dole ne a gasa abubuwan da suka wuce rayuwar bene na sa'o'i 168 a kusan 60°C na aƙalla sa'o'i 48 kafin haɗa ƙarfe don cire danshin da aka ɗauka.

7.3 Shawarwarin Haɗa Ƙarfe

Haɗa Ƙarfe ta Reflow (Hanya ta Farko):

- Zafin Pre-heat: 150-200°C.

- Lokaci Sama da Liquidus (Lokacin pre-heat): da'awar da'awar 120.

- Matsakaicin Zafin Jiki: 260°C matsakaici.

- Lokaci a Matsakaicin Zafin Jiki: da'awar da'awar 10.

- Matsakaicin adadin zagayowar reflow: Biyu.

Haɗa Ƙarfe ta Hannu (Ƙarfe):Yi amfani da shi kawai don gyara ko sake yin aiki.

- Zafin Ƙarshen Ƙarfe: 300°C matsakaici.

- Lokacin Haɗa Ƙarfe kowane jagora: da'awar da'awar 3.

- Matsakaicin adadin zagayowar haɗa ƙarfe ta hannu: Daya.

Muhimmin Bayanin Kula:Mafi kyawun tsarin reflow ya dogara da takamaiman ƙirar PCB, adadin abubuwan, manna haɗa ƙarfe, da halayen tanda. Jagororin da aka bayar da tsarin da ya dogara da JEDEC sune farkon wuraren da dole ne a tabbatar da su don ainihin layin haɗawa na samarwa.

8. La'akari da Bincike na Fasaha

8.1 Ƙirar Da'irar Tuƙi

Kewayon ƙarfin gaba (V_F) na 2.8V zuwa 3.8V a 20mA yana buƙatar da'irar tuƙi mai dorewa don ingantaccen fitar da haske, musamman lokacin da ake amfani da LED ɗin da yawa a jere ko lokacin da daidaiton haske ya zama mahimmanci. Ana iya amfani da resistor na jere mai sauƙi don aikace-aikacen LED guda ɗaya, mai arha, amma halin yanzu zai bambanta da takamaiman V_Fna LED da ƙarfin wadata. Misali, tare da wadata 5V da manufa na 20mA, za a ƙididdige resistor na jere (R_S) kamar R_S= (V_wadata- V_F) / I_F. Yin amfani da matsakaicin V_Fna 3.8V yana ba da R_S= (5 - 3.8) / 0.02 = 60Ω. Yin amfani da mafi ƙarancin V_Fna 2.8V tare da resistor ɗaya yana haifar da I_F= (5 - 2.8) / 60 ≈ 36.7mA, wanda ya wuce matsakaicin halin yanzu na ci gaba. Saboda haka, ana ba da shawarar tushen halin yanzu mai sarrafawa ko zaɓin resistor a hankali bisa ga mafi munin V_Fkwandon.

8.2 Gudanar da Zafi

Tare da matsakaicin rushewar wutar lantarki na 80mW (a 20mA har zuwa 3.8V), sarrafa zafi yana da mahimmanci don kiyaye tsawon rai da ingantaccen fitar da haske. Ƙarfin hasken haske yana raguwa yayin da zafin haɗin ya tashi, kamar yadda aka nuna a cikin lanƙwasan halaye. Don rage hawan zafi:

1. Yi amfani da shawarar tsarin ƙasar PCB don samar da isasshen jagorar zafi daga fakitin LED zuwa allon.

2. Yi la'akari da amfani da ramukan zafi a cikin PCB a ƙarƙashin kafet ɗin zafin LED (idan ya dace) don kai zafi zuwa cikin yadudduka ko gefen gaba na allon.

3. Guji aiki a matsakaicin halin yanzu na ƙarshe na tsawon lokaci.

4. Tabbatar da isasshen iska a cikin akwatin samfurin ƙarshe idan rushewar wutar lantarki yana da damuwa a cikin shimfidar wuri mai yawa.

8.3 La'akari da Ƙirar Gani

Kusurwar dubawa na digiri 120 da gilashin ruwa bayyananne suna samar da faɗaɗɗen tsarin watsawa wanda ya dace da masu nuna alama waɗanda ke buƙatar ganin su daga faɗin kusurwoyi. Don aikace-aikacen da ke buƙatar ƙara mayar da hankali, za a buƙaci na'urorin gani na biyu (misali, ruwan tabarau, bututun haske). Kwandunan matsakaicin tsawon zango (AP, AQ, AR) suna ba da damar zaɓi bisa ga inuwar kore da ake so, wanda zai iya zama mahimmanci don masu nuna alama masu launi ko daidaitawa na ado a cikin jerin hasken baya.

8.4 Kwatanta da Madadin Fasahohi

Amfani da fasahar InGaN don LED kore yana ba da fa'idodi a cikin inganci da haske idan aka kwatanta da tsofaffin fasahohi kamar Gallium Phosphide (GaP). LED ɗin InGaN yawanci suna da ƙaramin faɗin bakan bakan, wanda ke haifar da launin kore mai cika. Kusurwar dubawa na digiri 120 madaidaiciya ce ta yau da kullun, tana ba da ma'auni mai kyau tsakanin faɗin ganuwa da ƙarfin gaba. Don aikace-aikacen da ke buƙatar faɗin filin duba, za a iya la'akari da nau'ikan ruwan tabarau masu watsewa ko fakitin kallon gefe.

8.5 Abubuwan Amincewa da Tsawon Rayuwa

Tsawon rayuwar LED yana shafar zafin haɗin aiki da halin tuƙi. Yin aiki da kyau a cikin ƙayyadaddun iyakoki—misali, a 15-18mA maimakon 20mA—zai iya ƙara tsawon rayuwar aiki sosai. Bin daidai tsarin reflow yana hana girgizar zafi da damuwa na fakitin. Bin tsarin sarrafa hankali na danshi (MSL 3) yana da mahimmanci don hana gazawar da ba a gani ba sakamakon fashewar fakitin da danshi ya haifar yayin reflow.