LTW-S225DSKF-F SMD LED Takardar Bayani - LED Mai Duban Gefe Biyu (Fari/Orange) - 20mA - 74mW/48mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfurin

LTW-S225DSKF-F ƙaramin LED ne mai duban gefe, mai launi biyu, wanda ake haɗawa a saman allo (SMD). An ƙera shi don haɗa allon lantarki (PCB) ta atomatik, wanda ya sa ya dace da aikace-aikacen da ke da ƙarancin sarari a cikin na'urorin lantarki na zamani. Fakitin yana da ruwan tabarau mai launin rawaya kuma yana ɗauke da guntu LED guda biyu daban-daban: ɗayan yana fitar da haske fari (wanda ya dogara da InGaN) ɗayan kuma yana fitar da haske orange (wanda ya dogara da AlInGaP). Wannan tsari yana ba da damar yin ayyuka daban-daban na nuni da hasken baya a cikin ƙaramin wuri ɗaya.

1.1 Fa'idodi na Asali

• Aiki Mai Launi Biyu:Yana haɗa hanyoyin haske fari da orange a cikin fakitin guda ɗaya, yana adana sararin allo kuma yana sauƙaƙa ƙira.
• Haskaka Mai Girma:Yana amfani da fasahar guntu mai haskaka sosai ta AlInGaP da InGaN don kyakkyawan ƙarfin haskaka.
• Daidaitawa da Masana'antu:An ƙera shi don ya dace da na'urorin sanyawa ta atomatik da hanyoyin walda IR reflow, yana sauƙaƙar samarwa mai yawa.
• Marufi na Ƙa'ida:Ana isar da shi akan kaset mai girman 8mm da aka nannade akan reel 7-inch, wanda ya yi daidai da ƙa'idodin EIA don gudanarwa mai inganci.
• Daidaitawa da Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).

1.2 Kasuwanni da Aikace-aikacen Da Ake Nufi

Wannan ɓangaren ya dace da faɗin kewayon kayan aikin lantarki inda ake buƙatar masu nuni masu aminci, ƙanƙanta. Manyan wuraren aikace-aikace sun haɗa da:

• Na'urorin Sadarwa:Masu nuni na yanayi a cikin wayoyin mara igiya, wayoyin hannu, da kayan aikin cibiyar sadarwa.
• Kwamfuta Mai ɗaukuwa:Hasken baya na madannai ko madannai a cikin kwamfutocin tebur da sauran na'urori masu motsi.
• Kayan Lantarki na Masu Amfani & Masana'antu:Fitilun nuni a cikin kayan amfani na gida, kayan aikin ofis ta atomatik, da allunan sarrafa masana'antu.
• Fasahar Nuni:Ya dace da ƙananan nunin allo da fitilun alama waɗanda ke buƙatar bayyanannen nunin launi.

2. Ma'auni na Fasaha: Cikakken Bayani Mai Ma'ana

Wannan sashe yana ba da cikakken bincike akan iyakokin aiki na LED da halayen aiki a ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C).

2.1 Matsakaicin Matsakaicin Ƙima

Waɗannan ƙima suna ayyana iyakokin damuwa waɗanda bayan su lalacewa ta dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba.

Ma'auni	Guntu Fari	Guntu Orange	Naúrar
Rushewar Wutar Lantarki (Pd)	74	48	mW
Matsakaicin Halin Gaba na Gaba (1/10 Aiki, 0.1ms Pulse)	100	40	mA
Ci gaba da DC Halin Gaba na Gaba (IF)	20	20	mA
Ƙarfin Lantarki na Baya (VR)	5	5	V
Kewayon Yanayin Zafin Aiki	-20°C zuwa +80°C		°C
Kewayon Yanayin Zafin Ajiya	-30°C zuwa +85°C		°C

Fassara:Guntun fari yana da mafi girman izinin rushewar wutar lantarki (74mW idan aka kwatanta da 48mW), yana nuna yuwuwar halayen zafi ko ingancin guntu daban-daban. Duk guntu biyu suna raba matsakaicin halin yanzu na ci gaba na 20mA, wanda shine daidaitaccen halin yanzu na gwaji da aiki na yau da kullun. Ƙimar ƙarfin lantarki na baya na 5V yana da ƙasa sosai, yana mai da hankali kan buƙatar daidaitaccen ƙira na da'ira don guje wa karkatar da baya ba da gangan ba, wanda kawai ana nufin gwajin infrared ne.

2.2 Halayen Lantarki da Gani

An auna shi a daidaitaccen yanayin gwaji na IF = 20mA da Ta = 25°C.

Ma'auni	Alama	Fari (Mafi ƙanƙanta/Yau da Kullun/Mafi girma)	Orange (Mafi ƙanƙanta/Yau da Kullun/Mafi girma)	Naúrar	Yanayi/Bayanan kula
Ƙarfin Haskaka	Iv	112 / - / 450	45 / - / 180	mcd	Bayanin kula 1,2,5
Kusurwar Dubawa (2θ1/2)	-	130 (Yau da Kullun)		digiri	Fig.5
Matsakaicin Tsawon Tsawon	λP	-	611 (Yau da Kullun)	nm	-
Mafi Rinjaye Tsawon Tsawon	λd	-	605 (Yau da Kullun)	nm	Bayanin kula 3,5
Ƙarfin Lantarki na Gaba	VF	2.5 / - / 3.7	1.7 / - / 2.4	V	IF=20mA

Fassara:

• Haskaka & Rarrabawa:Faɗin kewayon Iv (misali, 112-450 mcd don fari) yana buƙatar tsarin rarrabawa don tabbatar da daidaito a cikin rukunonin samarwa. Matsakaicin tsayin tsayin guntu orange na 605nm da kololuwa a 611nm yana tabbatar da launinsa a cikin bakan orange/amber.
• Kusurwar Dubawa:Kusurwar dubawa digiri 130 tana rarraba wannan a matsayin LED mai faɗin kusurwa, wanda ya dace da aikace-aikacen da ganin daga wuraren da ba a kan axis ba yake da mahimmanci.
• Ƙarfin Lantarki na Gaba:Guntun orange AlInGaP yana nuna ƙaramin ƙarfin lantarki na gaba na yau da kullun (VF ~1.7-2.4V) idan aka kwatanta da guntun fari InGaN (VF ~2.5-3.7V). Wannan ma'auni ne mai mahimmanci don ƙirar da'irar turawa, saboda buƙatun wutar lantarki sun bambanta tsakanin launuka biyu.

2.3 Halayen Zafi & Walda

The device is rated for infrared reflow soldering with a peak temperature of 260°C for a maximum of 10 seconds. This is compatible with standard lead-free (Pb-free) solder process profiles. The operating and storage temperature ranges are standard for commercial-grade SMD LEDs.

. Binning System Explanation

To manage natural variations in semiconductor manufacturing, LEDs are sorted into performance bins. The LTW-S225DSKF-F uses two primary binning criteria.

.1 Luminous Intensity (Iv) Binning

LEDs are sorted based on their measured luminous intensity at 20mA.

White Chip Bins:

• R Bin:.0 mcd (Min) to 180.0 mcd (Max)
• S Bin:.0 mcd to 280.0 mcd
• T Bin:.0 mcd to 450.0 mcd

Tolerance within each bin is ±15%.

Orange Chip Bins:

• P Bin:.0 mcd to 71.0 mcd
• Q Bin:.0 mcd to 112.0 mcd
• R Bin:.0 mcd to 180.0 mcd

Tolerance within each bin is ±15%.

.2 Hue (Color Coordinate) Binning

For the white LED, color consistency is ensured by binning based on CIE 1931 chromaticity coordinates (x, y). The datasheet defines several bins (e.g., S1-1, S1-2, S2-1, etc.), each specifying a small quadrilateral area on the color chart. The tolerance for the (x, y) coordinates within any given hue bin is ±0.01. This tight control is essential for applications requiring uniform white color appearance across multiple LEDs.

. Performance Curve Analysis

While specific graphical curves are referenced in the datasheet (e.g., Fig.5 for viewing angle), typical relationships can be described based on LED physics:

• Current vs. Luminous Intensity (I-Iv Curve):Luminous intensity generally increases with forward current in a sub-linear fashion. Driving the LED above 20mA may yield higher light output but will increase power dissipation and junction temperature, potentially affecting longevity and color shift.
• Forward Voltage vs. Current (V-I Curve):The V-I characteristic is exponential, typical of a diode. The forward voltage (VF) increases with current and decreases with rising junction temperature.
• Temperature Dependence:The luminous intensity of LEDs typically decreases as junction temperature increases. The AlInGaP (orange) chip may exhibit less thermal quenching than the InGaN (white) chip at higher temperatures, but both will see reduced output. Forward voltage also has a negative temperature coefficient.

. Mechanical and Package Information

.1 Package Dimensions and Pin Assignment

The SMD package has a specific footprint. Critical dimensions include length, width, and height, all with a standard tolerance of ±0.1mm unless otherwise noted. The pin assignment is crucial for correct circuit connection:

• Pins 1 & 2:Anode and Cathode for theOrangeAlInGaP LED chip.
• Pins 3 & 4:Anode and Cathode for theFariGuntun LED InGaN.

Dole ne a kiyaye daidaitaccen polarity yayin haɗawa.

5.2 Tsarin Fil ɗin PCB da aka Shawarta da Jagorar Walda

Takardar bayani ta haɗa da shawarar tsarin ƙasa (tsarin fil ɗin tagulla) don PCB. Bin wannan shawarar yana tabbatar da samuwar haɗin gwiwar walda mai inganci, daidaitaccen kwanciyar hankali na injiniya, da daidaitaccen jeri yayin reflow. Zanen kuma yana nuna shawarar daidaitawar LED akan kaset dangane da alkiblar walda don rage ginin kabari ko rashin daidaito.

6. Jagororin Walda da Haɗawa

6.1 Ma'auni na Walda IR Reflow

Don hanyoyin walda marasa gubar, ana ba da shawarar yanayi mai zuwa:

• Matsakaicin Zazzabi:260°C matsakaici.
• Lokaci a Kololuwa:Dakika 10 matsakaici.
• Dumi-dumin:150°C zuwa 200°C.
• Lokacin Dumi-dumin:Dakika 120 matsakaici.

LED na iya jure wannan bayanin reflow har sau biyu kawai.

6.2 Walda da Hannu (Idan Ake Bukata)

Idan walda da hannu ya zama dole:

• Zazzabin Ƙarfe:300°C matsakaici.
• Lokacin Walda:Dakika 3 matsakaici kowace igiya.
• Mahimmanci:Walda da hannu yakamata a yi sau ɗaya kawai.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan walda, kawai yakamata a yi amfani da kaushi da aka ƙayyade. Abubuwan da aka ba da shawarar sune barasa na ethyl ko isopropyl alcohol a yanayin zafi na yau da kullun. Yakamata a nutsar da LED na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata fakitin filastik ko ruwan tabarau.

6.4 Ajiyewa da Gudanarwa

• Kariya daga ESD:LEDs suna da hankali ga zubar da wutar lantarki (ESD). Dole ne a yi amfani da ingantattun sarrafawa na ESD (bel ɗin wuyan hannu, kayan aikin da aka kafa) yayin gudanarwa.
• Hankali ga Danshi:Kamar yadda aka saba da matakin hankali ga danshi (MSL) don fakitin SMD:
• Jaka Mai Rufi:LEDs a cikin ainihin jakar kariya daga danshi tare da desiccant yakamata a adana su a ≤30°C da ≤90% RH. "Rayuwar bene" bayan buɗe jakar mako ɗaya ne don IR reflow.
• Na'urorin da aka Fallasa:Idan an adana su a wajen ainihin marufi sama da mako guda, ana ba da shawarar gasa a 60°C na aƙalla sa'o'i 20 kafin walda don cire danshin da aka sha kuma don hana "gaggawar popcorn" yayin reflow.

7. Bayanan Marufi da Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana samar da LEDs a cikin kaset mai ɗaukar kaya don haɗawa ta atomatik:

• Faɗin Kaset:8 mm.
• Diamita na Reel:7 inches (178 mm).
• Adadin kowace Reel:Guda 4000.
• Mafi ƙarancin Adadin Oda (MOQ):Guda 500 don sauran adadi.
• Ma'auni na Marufi:Ya yi daidai da ƙayyadaddun ANSI/EIA-481.

An rufe kaset da kaset mai rufi don kare abubuwan. Matsakaicin adadin abubuwan da ba a samu ba a jere a cikin kaset shine biyu.

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

8.1 Da'irorin Aikace-aikace na Yau da Kullun

Kowane guntu LED (fari da orange) yana buƙatar nasa resistor mai iyakance halin yanzu lokacin da ake turawa daga tushen wutar lantarki (misali, layin 3.3V ko 5V). Ƙimar resistor (R) za a iya ƙididdige ta ta amfani da Dokar Ohm: R = (V_supply - VF_LED) / I_LED.Misali:Ga LED fari tare da VF = 3.2V (na yau da kullun), ana turawa a 20mA daga wadataccen wutar lantarki na 5V: R = (5V - 3.2V) / 0.02A = 90 Ohms. Dangane da resistor na 91-ohm zai dace. Dole ne a yi wannan lissafin daban don kowane launi saboda ƙimar VF daban-daban.

8.2 Abubuwan Ɗauka a Hankali

• Gudanar da Zafi:Ko da yake rushewar wutar lantarki yana da ƙasa, tabbatar da isasshen yanki na tagulla na PCB a kusa da filaye yana taimakawa wajen watsar da zafi, kiyaye aikin LED da tsawon rai, musamman a cikin yanayin yanayi mai zafi.
• Tuki na Halin Yanzu:Tuki na halin yanzu na dindindin ya fi dacewa da ƙarfin lantarki na dindindin don kiyaye daidaitaccen haskaka da launi, saboda VF yana bambanta da zafin jiki da tsakanin raka'a ɗaya.
• Ƙirar Gani:Bayanin fitarwa mai duban gefe ya dace da jagororin haske na gefen haske ko don nuni inda aka ɗora LED a kusurwar madaidaiciya zuwa saman dubawa. Yi la'akari da kusurwar dubawa digiri 130 lokacin ƙirar bututun haske ko buɗaɗɗen.

9. Kwatancen Fasaha da Bambance-bambance

Manyan abubuwan banbance na LTW-S225DSKF-F sune:

1. Tsarin Guntu Biyu, Duban Gefe:Wannan fakitin na musamman ne wanda ba a samu a cikin daidaitattun LED masu fitarwa na sama. Yana ba da damar launuka biyu masu zaman kansu na nuni daga na'ura guda ɗaya da aka ɗora a gefen PCB.
2. Haɗin Fasahar Guntu:Amfani da AlInGaP don orange da InGaN don fari yana wakiltar zaɓi mafi kyau don inganci da ingancin launi a cikin bakan nasu.
3. Shirye-shiryen Masana'antu:Cikakkiyar dacewa da hanyoyin SMT ta atomatik (sanyawa, IR reflow) da daidaitaccen marufi na kaset-da-reel sun sa ya zama ɓangare mai dacewa da samarwa.

10. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

Q1: Shin zan iya turawa LED fari da orange lokaci guda a 20mA kowanne?

A1: A zahiri, i, saboda suna da anodes da cathodes masu zaman kansu. Duk da haka, dole ne ku yi la'akari da jimillar rushewar wutar lantarki akan ƙaramin fakitin. Aiki lokaci guda a cikakken halin yanzu yana haifar da ƙarin zafi, wanda zai iya shafar aiki da aminci. Ana ba da shawarar rage halin yanzu ko aiwatar da sarrafa zafi don ci gaba da aiki biyu.

Q2: Me yasa ƙimar ƙarfin lantarki na baya 5V kawai?

A2: Ba a ƙera LED don yin aiki a cikin karkatar da baya ba. Ƙimar 5V ita ce ƙarfin jurewa don gwaji da kariya daga haɗin baya ba da gangan ba. A cikin ƙirar da'ira, tabbatar da cewa LED ba za a taɓa fallasa shi ga ƙarfin lantarki na baya wanda ya wuce wannan iyaka ba, yawanci ta hanyar sanya shi a jere tare da diode wanda kawai yana ba da damar halin yanzu na gaba.

Q3: Menene lambobin rumbun (R, S, T, P, Q) ke nufi lokacin yin oda?

A3: Waɗannan lambobin suna ƙayyadaddun mafi ƙarancin ƙarfin haskaka na LED a cikin rukunin. Misali, yin oda "Fari, rumbun T" yana ba da garantin kowane LED zai sami ƙarfi tsakanin 280 zuwa 450 mcd a 20mA. Ƙayyade rumbun yana tabbatar da daidaiton haskaka a duk tsarin samarwarku. Yakamata a ƙayyade rumbun launi (misali, S2-1) don LED fari idan daidaiton launi yana da mahimmanci.

11. Misalin Amfani a Aikace

Yanayi: Mai Nuni na Yanayi don Na'urar Hanyar Sadarwa

Mai ƙira yana buƙatar nuni na yanayi biyu (misali, "Kunna Wutar Lantarki" da "Ayyukan Cibiyar Sadarwa") a gaban allon ƙaramin na'urar hanyar sadarwa. Sarari yana da iyaka.

Aiwa:Ana ɗora LTW-S225DSKF-F LED guda ɗaya a tsaye akan babban PCB, an sanya shi a gefen da ke fuskantar jagorar haske wanda ke tura haske zuwa gaban allon.orangeAn haɗa guntu zuwa da'irar "Wutar Lantarki" kuma yana haskaka a hankali lokacin da aka kunna wutar lantarki.fariAn haɗa guntu zuwa processor na cibiyar sadarwa kuma an tsara shi don yin walƙiya lokacin gano aikin bayanai. Wannan mafita tana adana yankin PCB, tana rage adadin sassa, kuma tana amfani da jagorar haske guda ɗaya don sigina gani biyu daban-daban.

12. Gabatarwa akan Ƙa'idar Aiki

Diodes Masu Fitowa Hasken (LEDs) na'urorin guntu ne waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, electrons da ramuka suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Launin hasken yana ƙaddara ta hanyar tazarar makamashi na kayan guntu.

• InGaN (Indium Gallium Nitride):Ana amfani da wannan tsarin kayan don LED fari. Yawanci, ana lulluɓe guntu InGaN mai fitar da shuɗi da Layer phosphor. Hasken shuɗi yana tada phosphor, wanda sai ya sake fitar da faɗin bakan haske, yana haɗuwa da sauran hasken shuɗi don samar da fari.
• AlInGaP (Aluminum Indium Gallium Phosphide):Ana amfani da wannan kayan don LED orange. Guntu ne mai tazarar makamashi kai tsaye wanda ya dace da samar da haske mai inganci a cikin tsayin tsayin ja, orange, amber, da rawaya.

Fakitin mai duban gefe ya haɗa waɗannan guntu guda biyu daban-daban na guntu a cikin gida ɗaya na filastik da aka ƙera tare da ruwan tabarau mai launin rawaya.

13. Trends na Fasaha

Ci gaban SMD LEDs kamar LTW-S225DSKF-F yana bin wasu mahimman trends na masana'antu:

1. Ƙananan & Haɗawa:Ƙoƙarin zuwa ƙananan, ƙarin haɗaɗɗun sassa yana ci gaba. Fakitin guntu da yawa (kamar wannan LED mai launi biyu) yana adana sarari kuma yana sauƙaƙa haɗawa idan aka kwatanta da amfani da LED guda biyu daban-daban.
2. Ƙara Inganci & Haskaka:Ci gaba da inganta a cikin girma na epitaxial da ƙirar guntu yana haifar da mafi girman ingancin haskaka (ƙarin fitowar haske a kowace wutar lantarki) don duka fasahohin InGaN da AlInGaP.
3. Ingantaccen Amincewa & Ƙarfi:Ci gaba a cikin kayan marufi, fasahar phosphor, da sarrafa zafi suna ba da gudummawa ga tsawon rayuwar aiki da ingantaccen aiki a ƙarƙashin yanayi mai tsanani.
4. Daidaitawa don Automatik:Ana ƙara ƙera sassa daga tushe don dacewa da layukan haɗawa na SMT masu sauri, daidaitaccen, gami da daidaitaccen marufi (kaset & reel) da bayanan reflow.

Waɗannan trends suna tabbatar da cewa SMD LEDs sun kasance mahimman, manyan sassan aiki don nuni da haskakawa a duk faɗin masana'antar lantarki.