Takardar Bayani na LED Orange SMD na Fasali 1206 - Girma 3.2mm x 1.6mm x 0.7mm - Wutar Lantarki 1.8-2.3V - Ƙarfin 72mW

1. Bayani

Wannan takarda tana ba da cikakkun bayanai na fasaha da umarnin sarrafa LED Orange mai haskakawa wanda ake haɗawa a saman allon lantarki, a cikin fasali na nauʼin 1206.

1.1 Bayanin Gabaɗaya

Naʼurin wannan LED ne mai fitar da haske mai launin lemu. Tushen hasken ya dogara ne da ƙirƙirar semiconductor mai launin lemu da aka ƙeɗe a cikin ƙaramin fasali na haɗawa a saman. Girmen fasalin ya kai tsawon milimita 3.2, faɗin milimita 1.6, da tsayin milimita 0.7, wanda ya sa ya dace da ƙirar allon lantarki mai yawan ƙirƙira.

1.2 Fasaloli

• Matsakaicin faɗin kallon da ya wuce kima.
• Yana da cikakkiyar dacewa da daidaitattun hanyoyin haɗawa da kuma sarrafa gishiri na Fasahar Haɗawa a Sama (SMT).
• Matakin Haɗarin Ƙanɗan Ruwa (MSL) ya kai Mataki na 3.
• Yana bin kaʼidojin Takunkumin Abubuwa Masu Haɗari (RoHS).

1.3 Aikace-aikace

• Nuna matsayi da alamun wuta a cikin naʼurorin lantarki.
• Hasken baya don masu kunna wuta, maƙullai, da alamomi.
• Aikace-aikacen nuna alama na gabaɗaya a cikin naʼurorin lantarki na masu amfani, sarrafa masanaʼantu, da cikin motoci.

1.4 Girman Fasali

Tsarin injiniya da kuma shafin gishiri da aka ba da shawarar suna da muhimmanci ga tsarin allon lantarki. Fasalin LED yana da jikin murabbaʼi mai ƙafafin anode/cathode guda biyu a ƙasa. Ana nuna alamar polarity a saman ko ƙasan fuska (yawanci ƙwalwar kore ko kusurwa mai sassauƙa). Tsarin shafin gishiri da aka ba da shawarar yana tabbatar da samuwar haɗin gishiri daidai da kwanciyar hankalin injiniya yayin sarrafa gishiri. Duk rakaʼojin girma suna cikin milimita, tare da daidaitattun ƙa'idodi na ±0.2mm sai dai idan an ƙayyade. Muhimman maʼaɗoƙin sun haɗa da tsayin gabaɗaya na 3.20mm, faɗi na 1.60mm, da tsayi na 0.70mm.

1.5 Maʼaɗoƙin Samfur

1.5.1 Halayen Wuta da Haskƙ (Ts=25°C)

Ana gwada waɗannan maʼaɗoƙin ƙarƙashin daidaitattun sharuɗa (Matsakaicin ƙarfin lantarki, IF=20mA; Matsakaicin ƙarfin lantarki na baya, VR=5V). Ana ba da samfurin a cikin rukunoni da yawa don matsakaicin ƙarfin lantarki (VF) da ƙarfin haske (IV), wanda ke ba da damar sassauƙa cikin ƙira da kuma daidaito a cikin samarwa.

• Matsakaicin Ramin Ramin Haske (Δλ):Yawanci 15nm, yana ayyana tsaftar launin lemu.
• Matsakaicin Ƙarfin Lantarki (VF):Ya kasance daga 1.8V zuwa 2.3V, an raba shi zuwa rukunoni da yawa (B1, B2, C1, C2, D1).
• Matsakaicin Tsawon Zango (λD):Yana ayyana launin da ake gani. Akwai rukunoni guda biyu: E00 (620-625nm) da F00 (625-630nm), dukansu a cikin bakan haske na lemu/ja-lemu.
• Ƙarfin Haskƙ (IV):Fitowar haske, ana auna shi da millicandelas (mcd). Akwai rukunoni da yawa daga 1AQ (100-130 mcd) zuwa 1GW (220-250 mcd) a 20mA.
• Matsakaicin Kallo (2θ1/2):Yana da faɗi mai yawa na digiri 140, yana tabbatar da ganuwa daga kusurwoyi da yawa.
• Matsakaicin Ƙarfin Lantarki na Baya (IR):Matsakaicin 10μA a 5V matsakaicin ƙarfin lantarki na baya.
• Matsakaicin Juyin Halin Zafin Jiki (RΘJ-S):Matsakaicin juyin halin zafin jiki daga mahaɗa zuwa wurin gishiri shine 450°C/W, wani muhimmin maʼaɗi ne don sarrafa zafin jiki.

1.5.2 Matsakaicin Maʼaɗoƙin Cikakken (Ƙa'idodi) (Ts=25°C)

Waɗannan su ne iyakokin matsin lamba wanda sama da su na iya haifar da lalacewa na dindindin. Ya kamata a ci gaba da aiki a cikin waɗannan iyakokin.

• Matsakaicin Ƙarfin Lantarki da ake fitarwa (Pd):72 mW
• Matsakaicin Ƙarfin Lantarki na Ci gaba (IF):30 mA
• Matsakaicin Ƙarfin Lantarki na Kololuwa (IFP):60 mA (mai bugun jini, 1/10 aikin, 0.1ms faɗin bugun)
• Matsakaicin Ƙarfin Lantarki na Tashin Hankali (ESD) HBM:2000V
• Matsakaicin Yanayin Aiki (Topr):-40°C zuwa +85°C
• Matsakaicin Yanayin Ajiya (Tstg):-40°C zuwa +85°C
• Matsakaicin Yanayin Zafin Mahaɗa (Tj):95°C

Bayanan Ƙira:Dole ne yanayin zafin mahaɗa kada ya wuce matsakaicin maʼaɗinsa. Ya kamata a ƙayyade matsakaicin ƙarfin lantarki na aiki bayan an yi laʼakari da ainihin yanayin zafin fasali a cikin aikace-aikacen don tabbatar da aiki mai ƙarfi na dogon lokaci.

1.6 Layukan Halayen Haskƙ na Al'ada

Waɗannan zane-zane suna nuna alaƙa tsakanin muhimman maʼaɗoƙi, waɗanda suke da muhimmanci ga ƙirar daʼurin lantarki da kuma hasashen aiki.

• Matsakaicin Ƙarfin Lantarki da Matsakaicin Ƙarfin Lantarki na Gaba:Yana nuna halayen IV mara layi na diode. Ƙarfin lantarki yana ƙaruwa tare da ƙarfin lantarki, tare da siffar layi ya dogara da takamaiman rukunin VF.
• Matsakaicin Ƙarfin Haskƙ da Matsakaicin Ƙarfin Lantarki na Gaba:Yana nuna yadda fitowar haske ke ƙaruwa tare da ƙarfin lantarki na tuƙa, yawanci a cikin yanayin ƙasa-layi a manyan ƙarfin lantarki saboda dumama da raguwar inganci.
• Matsakaicin Ƙarfin Haskƙ da Yanayin Zafin Jiki / Yanayin Muhalli:Yana nuna tasirin kashe zafin jiki, inda fitowar haske ke raguwa yayin da yanayin zafin LED ke tashi. Wannan yana da muhimmanci ga aikace-aikace a cikin yanayi mai zafi.
• Matsakaicin Ƙarfin Lantarki na Gaba da Matsakaicin Tsawon Zango:Yana nuna ƙan canji a cikin matsakaicin tsawon zango da ake fitarwa tare da canza ƙarfin lantarki na tuƙa.
• Matsakaicin Ƙarfin Haskƙ da Matsakaicin Tsawon Zango:Zanen bakan haske, yana nuna rarraba ƙarfin haske a kan tsayin zango, wanda ya tsaya a kusa da matsakaicin tsawon zango (misali, ~610nm).
• Zanen Tsarin Haskƙ:Zanen iyakacin duniya yana nuna faɗin kallo na digiri 140, yana tabbatar da fitowar haske kusa da Lambertian.

2. Fasali

Ana samar da LEDs a cikin daidaitattun fasali na masanaʼantu don haɗawar SMT ta atomatik.

2.1 Ƙaʼidodin Fasali

2.1.1 Girman Kaset na ɗaukar Kaya

Ana ajiye kayan aikin a cikin kaset na ɗaukar kaya mai ƙirƙira. An ƙayyade girmen kaset (girman aljihu, tsayi, faɗi) don dacewa da daidaitattun kayan aikin ɗauka da sanyawa na atomatik.

2.1.2 Girman Reel

Ana nade kaset na ɗaukar kaya a kan reel. Girman reel (diamita, girman cibiya, faɗin flange) yana ƙayyade adadin rakaʼojin da ake bayarwa kowace reel da kuma dacewa da masu ciyar da naʼurin sanyawa.

2.1.3 Ƙaʼidodin Tsarin Lakabin

Kowane reel yana ƙunshe da lakabi mai muhimman bayanai: lambar sashi, adadi, lambar rukuni, lambar kwanan wata, da matakin haɗarin ƙanɗan ruwa (MSL 3).

2.2 Fasalin ɗaukar Kaya Mai Tsawan Ruwa

Saboda matakinsa na MSL 3, ana ɗaukar LEDs tare da abin bushewa da katin nuna ƙanɗan ruwa a cikin jakar hana ruwa. Ana rufe jakar don kare kayan aikin daga ƙanɗan ruwa na muhalli yayin ajiya da sufuri. Da zarar an buɗe jakar, dole ne a yi amfani da kayan aikin a cikin takamaiman lokacin rayuwa na ƙasa (yawanci saʼoƙi 168 don MSL 3 a yanayin masanaʼanta<30°C/60%RH) ko kuma a sake gasa shi bisa ga jagororin.

2.3 Akwatin Kati

Ana ɗora jakunkuna masu hana ruwa da aka rufe a cikin akwatunan kati don jigilar kaya da ajiya, suna ba da kariyar jiki.

2.4 Abubuwan Gwajin Aminci da Yanayi

Samfurin yana fuskantar jerin gwaje-gwajen aminci don tabbatar da aiki ƙarƙashin matsin lamba daban-daban na muhalli. Gwaje-gwajen na yau da kullun na iya haɗawa da (an ƙaddara daga maʼaɗoƙin masanaʼantu):

• Rayuwar Ajiya a Yanayin Zafi Mai Yawa:An fallasa shi ga matsakaicin yanayin zafi na ajiya na tsawon lokaci.
• Zagayowar Yanayin Zafi:An sanya shi ga maimaitattun zagayowar tsakanin manyan matakan zafi da sanyi.
• Juriya ga Ƙanɗan Ruwa:An gwada shi ƙarƙashin yanayi mai yawan ƙanɗan ruwa da zafi.
• Juriya ga Zafin Gishiri:An sanya shi ga maimaitattun zagayowar sarrafa gishiri don kwaikwayi yanayin sake aiki.
• Hankali na ESD:An gwada shi bisa Tsarin Jikin Ƙan Adam (HBM) don tabbatar da maʼaɗin 2000V.

2.5 Maʼaɗoƙin Yanke Hukunci na Lalacewa

Wannan sashe yana ayyana maʼaɗoƙin duba na gani da aiki bayan gwajin aminci. Maʼaɗoƙin kasawa yawanci sun haɗa da lalacewa mai tsanani (babu haske), canji mai muhimmanci a cikin maʼaɗoƙi (misali, faɗin ƙarfin haske > 50%, canjin VF > ±0.2V), ko kuma lalacewar jiki da ake iya gani kamar ƙaƙe, canza launi, ko rabuwa.

3. Umarnin Sarrafa Gishiri na SMT

Gishiri daidai yana da muhimmanci ga aminci. An ƙera wannan ɓangaren don hanyoyin sarrafa gishiri marasa gubar (Pb-free).

3.1 Tsarin Sarrafa Gishiri na SMT

Dole ne a bi tsarin yanayin zafin sarrafa gishiri da aka ba da shawarar don hana lalacewar zafin jiki. Muhimman maʼaɗoƙin sun haɗa da:

• Yanki na Fara Dumama / Jiƙa:Haɗin haɗin haɗaka don kunna flux da daidaita yanayin zafin allon, yawanci tsakanin 150°C da 200°C.
• Yanki na Sarrafa Gishiri:Matsakaicin yanayin zafi da jikin LED ya fuskanta bai kamata ya wuce matsakaicin iyakar da aka yarda ba (yawanci 260°C na ƙan lokaci, misali, daƙiƙoƙi 10). Lokacin da ya wuce ruwa (TAL) shima ana sarrafa shi.
• Yanki na Sanyaya:Matsakaicin saurin sanyaya don ƙarfafa haɗin gishiri da rage matsin lamba na zafin jiki.

Ana ba da shawarar yin amfani da mafi ƙanƙancin matsakaicin yanayin zafi da mafi gajeren lokacin da ya wuce ruwa wanda har yanzu yana samar da haɗin gishiri mai ƙarfi. Zafi mai yawa na iya haifar da canza launin epoxy, gazawar haɗin waya na ciki, ko lalacewar ƙirƙira.

4. Hatsarori na Sarrafa

4.1 Jagororin Sarrafa da Ajiya

• Kariya daga ESD:Ko da yake an ƙididdige shi don 2000V HBM, sarrafa shi tare da daidaitattun hanyoyin kariya daga ESD (tashoshin aiki na ƙasa, igiyoyin wuyan hannu) don hana lalacewar ƙanƙanta.
• Hankali ga Ƙanɗan Ruwa:Ku bi buƙatun sarrafa MSL 3 da ƙwaƙwalwa. Bayan buɗe jakar hana ruwa, yi amfani da kayan aikin a cikin takamaiman lokacin rayuwa na ƙasa. Idan ya wuce, gasa bisa ga hanyoyin da aka ba da shawarar (misali, 125°C na saʼoƙi 24) kafin sarrafa gishiri.
• Matsin Lamba na Injiniya:Ku guji amfani da ƙarfin injiniya kai tsaye ko girgiza ga ruwan tabarau na LED, saboda zai iya lalata tsarin ciki.
• Tsaftacewa:Idan ana buƙatar tsaftacewa bayan gishiri, yi amfani da abubuwan narkewa masu dacewa waɗanda ba su cutar da ruwan tabarau na epoxy ko alamomin fasali ba. Ku guji tsaftacewa ta ultrasonic, wanda zai iya haifar da ƙaƙe-ƙaƙe.
• Ajiya:Ajiye jakunkuna da ba a buɗe ba a cikin yanayi mai sanyi, bushewa. Ku guji fallasa zuwa hasken rana kai tsaye ko iskar gas mai lalata.

5. Laʼakari da Ƙira na Aikace-aikace

5.1 Iyakance Ƙarfin Lantarki

LED naʼuri ne da ake tuƙa da ƙarfin lantarki. Koyaushe yi amfani da resistor mai iyakance ƙarfin lantarki a jere ko direba mai ƙarfin lantarki na dindindin. Za a iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vsupply - VF_LED) / IF. Zaƙi maʼaɗin ƙarfin lantarki na resistor yadda ya kamata. Don tsawaita rayuwa da aminci, yi laʼakari da tuƙa LED ƙasa da matsakaicin ƙarfin lantarki na cikakken sa, misali, a 20mA maimakon 30mA.

5.2 Sarrafa Zafin Jiki

Ko da yake ƙanƙane, wannan LED yana fitar da zafi. Matsakaicin juyin halin zafin jiki na 450°C/W yana nufin cewa yanayin zafin mahaɗa zai tashi sosai sama da yanayin zafin PCB a manyan ƙarfin lantarki. Tabbatar da isasshen yanki na tagulla akan PCB ƙarƙashin da kuma kewayen shafukan gishiri na LED don aiki azaman maƙurar zafi. Wannan yana da muhimmanci musamman a cikin aikace-aikacen yanayi mai zafi ko lokacin tuƙa a ƙarfin lantarki >20mA.

5.3 Ƙirar Haskƙ

Matsakaicin kallo na digiri 140 yana ba da haske mai faɗi, mai watsewa. Don aikace-aikacen da ke buƙatar haske mafi kai tsaye, za a iya amfani da ruwan tabarau na waje ko bututun haske. Launin lemu yana da tasiri ga alamun gargaɗi ko matsayi kuma yana da ganuwa sosai.

5.4 Polarity da Sanyawa

Polarity mara daidai zai hana LED haskakawa. Koyaushe ku tabbatar da alamar polarity (misali, ƙwalwar kore a gefen cathode) daidai da zane na allon lantarki yayin haɗawa da duba. Tabbatar da ƙirar shafin gishiri ta dace da shafin da aka ba da shawarar don hana kabari ko haɗin gishiri mara kyau.