LTW-C194TS5 SMD LED Takardar Bayani - Girman 0.30mm Siriri - Ƙarfin Wuta 2.7-3.15V - Farin Launi - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfurin

LTW-C194TS5 na'urar haske ce mai haɗawa ta saman (SMD) wacce aka ƙera don aikace-aikacen lantarki na zamani masu ƙunci. Matsayinta na farko shi ne a matsayin mai nuna alama mai haske mai ƙarfi, ko kuma ɓangaren hasken baya. Babban fa'idar wannan samfurin shine siririnsa na musamman na milimita 0.30, wanda ke ba da damar haɗawa cikin na'urori siriri kamar wayoyin hannu, kwamfutocin hannu, fasahar saka, da kwamfutocin hannu masu sauƙi. Kasuwar da aka yi niyya ta haɗa da na'urorin lantarki na mabukaci, kwamitocin sarrafa masana'antu, hasken ciki na motoci, da nuni na gabaɗaya inda ake buƙatar fitar da haske mai aminci, mai haske a cikin ƙaramin kunshi.

2. Bincike Mai Zurfi na Sigogi na Fasaha

2.1 Halaye na Lantarki da na Gani

Aikin LTW-C194TS5 an ƙayyade shi a daidaitaccen yanayin zafin muhalli (Ta) na 25°C. Maɓuɓɓukan ma'auni suna ayyana yanayin aikinsa:

• Ƙarfin Haske (Iv):Ya bambanta daga mafi ƙanƙanta na millicandelas 56.0 (mcd) zuwa ƙimar al'ada na 146.0 mcd lokacin da ake tuka da ƙarfin gaba (IF) na 5mA. Ana auna wannan ma'auni ta amfani da kayan aikin da ke kusantar da lankwasa amsa ido na ma'auni na CIE, don tabbatar da dacewa da hangen nesa na ɗan adam.
• Kusurwar Dubawa (2θ1/2):An ƙayyade faɗin kusurwar dubawa na digiri 130, yana ba da tsarin fitar da haske mai faɗi, mai yaduwa wanda ya dace da hasken yanki da ganin faɗi.
• Ma'auni na Launi (x, y):An ayyana wurin launin farin haske akan zanen launi na CIE 1931. Ma'auni na al'ada sune x=0.294 da y=0.286 a IF=5mA, tare da tabbataccen jurewar ±0.01 ga duka ma'auni. Wannan yana ayyana takamaiman inuwar farin haske.
• Ƙarfin Wuta na Gaba (VF):Ragewar ƙarfin wuta a kan LED lokacin da yake ɗaukar ƙarfin 5mA yana faɗuwa tsakanin Volt 2.70 (mafi ƙanƙanta) da Volt 3.15 (mafi girma). Wannan ma'auni yana da mahimmanci don ƙirar da'ira don tabbatar da iyakancewar ƙarfin da ya dace.
• Ƙarfin Wuta na Baya (IR):Mafi girman microamperes 10 (μA) yana gudana lokacin da aka yi amfani da ƙarfin baya na Volt 5, yana nuna halayen ɓarna na diode.

2.2 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Ba a yi niyya don aiki na al'ada ba.

• Rushewar Wutar Lantarki (Pd):Matsakaicin 70 mW.
• Ƙarfin Gaba:Ci gaba da ƙarfin gaba na DC an iyakance shi zuwa 20 mA. Mafi girman ƙarfin gaba na kololuwa na 100 mA yana halatta a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms).
• Ƙarfin Wuta na Baya (VR):Matsakaicin 5 V. Ba a ba da shawarar aiki a ƙarƙashin ƙarfin baya ba kuma yana iya haifar da gazawa.
• An ba da shawarar tsarin ƙasa (sawu) don ƙirar PCB. Wannan ya haɗa da girman da siffar ƙafafun tagulla waɗanda za a yi solder LED. Yin bin wannan shawarar yana da mahimmanci don samun haɗin gwiwar solder mai aminci, daidaitaccen daidaita kai yayin reflow, da kuma kawar da zafi mai inganci. Bayanin kula yana ba da shawarar matsakaicin kauri na stencil na 0.10mm don aikace-aikacen man solder.Aiki: -20°C zuwa +80°C. Ajiya: -40°C zuwa +85°C.
• Yanayin Solder:Yana jure solder reflow na infrared tare da zafin kololuwa na 260°C na tsawon dakika 10.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaito a cikin samar da yawa, ana rarraba LED cikin kwandon aiki. LTW-C194TS5 yana amfani da tsarin rarrabuwa mai girma uku:

3.1 Rarrabuwar Ƙarfin Wuta na Gaba (VF)

Ana rarraba LED dangane da ƙarfin wuta na gaba a IF=5mA. Wannan yana ba masu ƙira damar zaɓar LED masu raguwar ƙarfin wuta iri ɗaya don daidaitaccen haske a cikin da'irori masu layi daya ko don sarrafa wutar lantarki daidai.

• Kwandon A:VF = 2.70V zuwa 2.85V
• Kwandon B:VF = 2.85V zuwa 3.00V
• Kwandon C:VF = 3.00V zuwa 3.15V

Jurewa a cikin kowane kwandon shine ±0.1 Volt.

3.2 Rarrabuwar Ƙarfin Haske (IV)

Wannan rarrabuwa yana rarraba LED ta hanyar ƙarfin fitar da haske, mai mahimmanci ga aikace-aikacen da ke buƙatar takamaiman matakan haske.

• Kwandon P2:Iv = 56.0 mcd zuwa 71.0 mcd
• Kwandon Q1:Iv = 71.0 mcd zuwa 90.0 mcd
• Kwandon Q2:Iv = 90.0 mcd zuwa 112.0 mcd
• Kwandon R1:Iv = 112.0 mcd zuwa 146.0 mcd

Jurewa akan kowane kwandon ƙarfi shine ±15%.

3.3 Rarrabuwar Launi (Kala)

An rarraba launin farin haske zuwa nau'ikan shida (S1 zuwa S6) dangane da ma'auni na launi (x, y) akan zanen CIE 1931. Kowane kwandon yana ayyana yanki mai siffar huɗu akan ginshiƙi na launi. Wannan yana tabbatar da daidaiton launi a cikin LED da yawa a cikin haɗawa. Jurewar ma'auni na launi a cikin kwandon shine ±0.01. Yawanci ana ba da zane wanda ke nuna waɗannan kwandon a kan ginshiƙi na launi.

4. Bincike akan Lankwasa Ayyuka

Yayin da aka ambaci takamaiman lankwasan hoto a cikin takardar bayani, abubuwan da suka shafi su ma'auni ne. Masu ƙira za su iya tsammanin alaƙar gabaɗaya masu zuwa:

• Lankwasa IV (Ƙarfi vs. Ƙarfin Wuta):Ƙarfin wuta na gaba (VF) yana ƙaruwa da logarithmic tare da ƙarfin gaba (IF). Yin aiki sosai sama da ƙarfin gwaji na 5mA da aka ba da shawarar zai ƙara VF da ɓarnar wutar lantarki.
• Ƙarfin Haske vs. Ƙarfi:Fitar haske gabaɗaya yana daidai da ƙarfin gaba a cikin kewayon aiki, amma inganci na iya faɗuwa a ƙarfin ƙarfi saboda zafi.
• Dogaro da Zafin Jiki:Ƙarfin haske yawanci yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Faɗin kewayon zafin aiki (-20°C zuwa +80°C) yana nuna ingantaccen aiki a cikin yanayin muhalli, kodayake rage ƙima na iya zama dole a yanayin zafi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

LED yana da tsarin kunshin EIA na masana'antu. Duk mahimman girma, gami da tsayi, faɗi, tsayi (0.30mm), da tazarar jagora, ana ba da su a cikin zane-zane na tushen milimita. Alamar polarity (yawanci alamar cathode ko tsaga) tana cikin zane don tabbatar da daidaitaccen alkibla yayin haɗawa.

5.2 Tsarin Ƙafar Solder da Ake Shawarta

A land pattern (footprint) recommendation is provided for PCB design. This includes the size and shape of the copper pads to which the LED will be soldered. Adhering to this recommendation is crucial for achieving reliable solder joints, proper self-alignment during reflow, and effective heat dissipation. A note suggests a maximum stencil thickness of 0.10mm for solder paste application.

6. Jagororin Solder da Haɗawa

6.1 Sigogi na Solder Reflow

Bangaren ya dace cikakke da hanyoyin solder reflow na infrared (IR). An ba da shawarar bayanin martaba:

• Pre-heat:150°C zuwa 200°C.
• Lokacin Pre-heat:Matsakaicin dakika 120.
• Zafin Kololuwa:Matsakaicin 260°C.
• Lokaci Sama da Liquidus:Dakika 10 mafi girma (ana ba da shawarar mafi girman zagaye biyu na reflow).

Waɗannan sigogi sun dogara ne akan ma'auni na JEDEC don tabbatar da aminci. Takardar bayani ta jaddada cewa mafi kyawun bayanin martaba ya dogara da takamaiman saitin haɗin PCB (nau'in allo, sauran abubuwan, tanda).

6.2 Solder da Hannu

Idan solder da hannu ya zama dole, ya kamata a yi shi da kulawa sosai saboda ƙaramin girman kayan da kuma hankalin zafi:

• Zafin Ƙarfe:Matsakaicin 300°C.
• Lokacin Tuntuɓar:Matsakaicin dakika 3 a kowane ƙafa.
• Mita:Sau ɗaya kawai; guji sake yin aiki.

6.3 Ajiya da Sarrafawa

• Hatsarin ESD:LED yana da hankali ga fitar da wutar lantarki (ESD). Sarrafawa ya kamata ya haɗa da igiyoyin wuyan hannu na ƙasa, tabarma mai hana tashin hankali, da kayan aikin da suka dace da ƙasa.
• Hankalin Danshi:A matsayin ƙaramin ɓangaren SMD, yana da hankali ga danshi. Lokacin da yake cikin rufaffiyar kunshin asali (tare da desiccant), ya kamata a adana shi a ≤30°C da ≤90% RH kuma a yi amfani da shi cikin shekara guda. Da zarar an buɗe jakar hana danshi, ya kamata a adana LED a ≤30°C da ≤60% RH kuma a yi reflow cikin mako guda. Don ajiya mai tsawo daga jakar asali, yi amfani da akwati mai rufi tare da desiccant. Abubuwan da aka adana daga jakar fiye da mako guda suna buƙatar gasa (kimanin 60°C na aƙalla sa'o'i 20) kafin solder don hana "popcorning" yayin reflow.

6.4 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan solder, kawai ya kamata a yi amfani da takamaiman kaushi don guje wa lalata ruwan tabarau na filastik ko kunshi. Abubuwan da aka ba da shawarar sune barasa na ethyl ko isopropyl a yanayin zafi na al'ada, tare da lokacin nutsewa ƙasa da minti ɗaya.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kaset da Reel

LTW-C194TS5 ana ba da shi a cikin kunshi don injunan haɗawa na zaɓi da wuri:

• Kaset ɗin Carrier:Kaset mai faɗin 8mm.
• Girman Reel:Reel mai diamita inci 7 (178mm).
• Adadin kowane Reel:5,000 guda.
• Mafi ƙarancin Adadin Oda (MOQ):500 guda don sauran adadi.
• Ma'auni na Kunshi:Yana bin ƙayyadaddun ANSI/EIA 481-1. An rufe ramukan da ba kowa a cikin kaset tare da kaset ɗin murfi.

8. Shawarwari na Aikace-aikace da Abubuwan Ɗauka a Zuci

8.1 Yanayin Aikace-aikace na Al'ada

• Masu Nuna Matsayi:Wutar lantarki, haɗin kai, ko fitilun matsayin aiki a cikin na'urorin lantarki na mabukaci masu siriri.
• Hasken Baya:Hasken gefe ko kai tsaye don ƙananan nuni na LCD, maɓallan maɓalli, ko alamomi.
• Hasken Kayan Ado:Hasken lafazi a cikin ciki na motoci, kayan aikin gida, ko na'urorin wasan bidiyo.
• Hasken Gabaɗaya:Hasken yanki mai ƙarancin mataki a cikin ƙananan na'urori.

8.2 Abubuwan Ɗauka a Zuci Masu Muhimmanci

• Iyakancewar Ƙarfi:Koyaushe yi amfani da resistor mai iyakance ƙarfi a jere ko direba mai ƙarfi akai-akai. Kada ku haɗa kai tsaye zuwa tushen wutar lantarki. Ƙarfin gwaji da aka ba da shawarar shine 5mA, amma matsakaicin matsakaicin ci gaba shine 20mA. Yi ƙira don daidaitaccen haske da ɓarnar wutar lantarki.
• Gudanar da Thermal:Duk da ƙarancin wutar lantarki, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi a ƙarƙashin ƙafafun solder don fitar da zafi daga haɗin LED, musamman lokacin aiki kusa da matsakaicin ƙima ko a cikin yanayin zafi mai girma. Wannan yana kiyaye fitar da haske da tsawon rai.
• Ƙirar Gani:Kusurwar dubawa na digiri 130 tana ba da katako mai faɗi. Don haske mai mai da hankali, ruwan tabarau na waje ko jagororin haske na iya zama dole. Kayan ruwan tabarau na rawaya zai shafi launin da aka gani na ƙarshe.
• Zaɓin Rarrabuwa:Don aikace-aikacen da ke buƙatar kamanni iri ɗaya (misali, tsararrun LED da yawa), ƙayyade ƙwaƙƙwaran kwandon don VF, Iv, da Hue (Launi) don rage bambance-bambance a cikin haske da launi.

9. Kwatancen Fasaha da Bambance-bambance

Babban abubuwan banbance na LTW-C194TS5 sunesiffar siriri mai girman 0.30mmda kuma amfani daInGaN (Indium Gallium Nitride) farin guntu. Idan aka kwatanta da tsohuwar fasaha kamar guntu shuɗi tare da phosphor, LED farin tushen InGaN sau da yawa suna ba da fa'idodi dangane da inganci, yuwuwar yin launi, da kwanciyar hankali. Siriri shine babban fa'idar injiniya akan daidaitattun SMD LED (waɗanda galibi suke 0.6mm ko mafi kauri), yana ba da damar ƙira a cikin sabon tsarin na'urori siriri. Dacewarsa tare da daidaitattun reflow na IR da tsarin kunshin EIA yana tabbatar da cewa zai iya zama maye gurbi ko haɓakawa a yawancin ƙirar da ke akwai waɗanda ke neman ƙanƙanta.

10. Tambayoyin da Ake Yawan Yi (Dangane da Sigogi na Fasaha)

10.1 Menene manufar nau'ikan rarrabuwa guda uku?

Rarrabuwa yana tabbatar da daidaito na lantarki da na gani. Rarrabuwar VF tana taimakawa wajen ƙirar wutar lantarki da da'irori na LED masu layi daya. Rarrabuwar Iv tana tabbatar da takamaiman matakin haske. Rarrabuwar Hue tana da mahimmanci don daidaita launi a cikin aikace-aikacen LED da yawa don guje wa bambance-bambancen launi da ake iya gani.

10.2 Zan iya tuka wannan LED a 20mA akai-akai?

Yayin da matsakaicin matsakaicin ƙimar shine 20mA DC, yanayin gwaji na al'ada da bayanan aiki na al'ada ana ba da su a 5mA. Yin aiki a 20mA zai haifar da fitar da haske mafi girma amma kuma zai haifar da ƙarin zafi, ƙara ƙarfin wuta na gaba, da yuwuwar rage amincin dogon lokaci. Yana da mahimmanci a yi bincike na thermal da yuwuwar rage matsakaicin ƙarfin dangane da ainihin yanayin aiki.

10.3 Me yasa akwai wannan ƙaƙƙarfan buƙatun ajiya da gasa?

Kunshin filastik mai siriri zai iya ɗaukar danshi daga iska. A lokacin babban zafin jiki na aikin solder reflow, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsa lamba na ciki wanda zai iya fashe kunshin ko raba haɗin gwiwar ciki ("popcorning"). An tsara hanyoyin ajiya da gasa don cire wannan danshi cikin aminci kafin solder.

10.4 Ta yaya zan fassara ma'auni na launi (x=0.294, y=0.286)?

Waɗannan ma'auni suna zana maki akan zanen launi na CIE 1931, wanda ke taswira duk launukan da ake iya gani. Wannan takamaiman batu yana dace da takamaiman inuwar farin haske, wanda galibi ake siffanta shi da "farin sanyi." Jurewar ±0.01 yana ayyana ƙaramin yanki a kusa da wannan batu wanda a cikinsa aka tabbatar da launin LED zai faɗi.

11. Misalin Ƙira da Amfani na Aiki

Harka: Ƙirar Mashaya Nuna Matsayi don Siririn Tablet.Mai ƙira yana buƙatar LED farar fata guda biyar don mashaya nuna matakin caji. Sararin da ke bayan bezel yana da iyaka sosai (0.4mm). Sun zaɓi LTW-C194TS5 saboda tsayinsa na 0.30mm. Don tabbatar da daidaito, sun ƙayyade Kwandon B don VF (2.85-3.00V), Kwandon R1 don Iv (112-146 mcd), da Kwandon S3 don Hue. Sun ƙirƙira sawun PCB daidai kamar yadda aka ba da shawarar, tare da ƙaramin ƙafar taimakon zafi da aka haɗa zuwa filin ƙasa na ciki don nutsewar zafi. Ana amfani da direba mai ƙarfi akai-akai da aka saita zuwa 5mA kowane LED. An ba da umarnin LED akan reels inci 7 don haɗawa ta atomatik. Masana'anta sun bi bayanin martaba na reflow da aka tsara kuma suna adana buɗaɗɗen reels a cikin akwati mai bushewa, suna gasa su kafin amfani da su bayan rufe mako. Sakamakon shine mashaya mai haske, daidai, kuma mai aminci wanda ya dace da ƙuntatawa na ƙirar injiniya.

12. Gabatarwa akan Ka'idar Fasaha

LTW-C194TS5 ya dogara ne akan fasahar semiconductor na InGaN. A cikin LED fari, yawanci ana haɗa guntu na InGaN mai fitar da shuɗi tare da murfin phosphor rawaya a cikin kunshin. Lokacin da guntu ya fitar da hasken shuɗi, wani ɓangare na shi phosphor yana sha kuma ya sake fitar da shi azaman hasken rawaya. Haɗuwar sauran hasken shuɗi da hasken rawaya da aka canza idon ɗan adam yana ganinsa azaman farin haske. Takamaiman ma'auni na fitar da guntu da abun da ke ciki na phosphor suna ƙayyade ma'auni na launi na ƙarshe (batu launi) akan bakan farin haske. An sami kunshin siriri ta hanyar dabarun gyare-gyare na ci gaba da kuma kunshin matakin wafer waɗanda ke rage kayan da ke sama da ƙasa da guntun semiconductor.

13. Trends da Ci gaban Masana'antu

Trend a cikin SMD LED don na'urorin lantarki na mabukaci yana ci gaba da zuwaƙanƙanta(siriri, ƙananan sawun) daƙara inganci(ƙarin fitar da haske a kowace raka'a na wutar lantarki da kowace raka'a na yanki). Siffar 0.30mm na wannan LED yana wakiltar mataki a wannan hanya. Bugu da ƙari, akwai ci gaba da tuƙi doningantaccen daidaiton launi da mafi girman Ma'auni na Yin Launi (CRI)a cikin LED farar fata, ana samun su ta hanyar ci gaba a cikin fasahar phosphor da ƙirar guntu. Wani trend shine haɗa ƙarin fasalulluka, kamar na'urorin IC na gida don sarrafawa (yin "LED masu hankali"), kodayake LTW-C194TS5 ya bayyana a matsayin daidaitaccen ɓangaren keɓaɓɓe. Dacewa tare da maras gubar (RoHS) da hanyoyin reflow masu zafi ya kasance ainihin buƙatu da ƙa'idodin muhalli na duniya da ƙa'idodin haɗawa suka motsa.