Takardar Bayanin LED - Jerin 3020 LED Fari 0.2W - Girman 3.0x2.0mm - Ƙarfin Wutar Lantarki 3.2V - Ikon 0.2W - Takardar Fasaha ta Hausa

1. Bayanin Samfur Jerin 3020 wani ƙaramin na'urar haɗawa ta saman (SMD) LED ne wanda aka ƙera don aikace-aikacen haske na gabaɗaya. Wannan LED fari mai guntu guda yana ba da ma'auni na inganci, aminci, da tsada mai inganci, wanda ya sa ya dace da nau'ikan mafita na haske na ciki da waje. Babban fa'idodinsa sun haɗa da daidaitaccen gaban ƙafa na 3020, fitar da haske mai daidaito, da ingantaccen aikin zafi a cikin kewayon aiki da aka ƙayyade.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Ƙimar (Ts=25°C) Waɗannan sigogi suna ayyana iyakokin aiki na LED. Wucewa waɗannan ƙimomi na iya haifar da lalacewa ta dindindin.

Ƙarfin Wutar Lantarki na Gaba (IF):

90 mA (Ci gaba)

• Ƙarfin Wutar Lantarki na Gaba na Pulse (IFP):120 mA (Faɗin bugun jini ≤ 10ms, Tsarin aiki ≤ 1/10)
• Rushewar Wutar Lantarki (PD):297 mW
• Zazzabin Aiki (Topr):-40°C zuwa +80°C
• Zazzabin Ajiya (Tstg):-40°C zuwa +80°C
• Zazzabin Junction (Tj):125°C
• Zazzabin Solder (Tsld):Reflow solder a 230°C ko 260°C na dakika 10 iyakar.
• 2.2 Halayen Lantarki-Gani (Ts=25°C) Waɗannan su ne sigogin aiki na al'ada a ƙarƙashin yanayin gwaji na daidaitacce.Ƙarfin Wutar Lantarki na Gaba (VF):

3.2 V (Na al'ada), 3.4 V (Matsakaicin) a IF=60mA

Ƙarfin Wutar Lantarki na Baya (VR):

• 5 VƘarfin Wutar Lantarki na Baya (IR):
• 10 µA (Matsakaicin)Kusurwar Dubawa (2θ1/2):
• 110° (Na al'ada)3. Bayanin Tsarin Rarrabawa (Binning) Samfurin yana amfani da cikakken tsarin rarrabawa don tabbatar da daidaiton launi da aiki don aikace-aikacen ƙarshe.
• 3.1 Rarrabawar Ƙarfin Hasken (Luminous Flux Binning) Don launin da aka ƙayyade (Cool White tare da CRI 85, CCT >5000K), ana auna ƙarfin haske a ƙarfin wutar lantarki na gaba na 60mA. An ayyana kwandon kamar haka:Lambar C8:

16 lm (Ƙananan) zuwa 17 lm (Matsakaicin)

Lambar C9:

17 lm (Ƙananan) zuwa 18 lm (Matsakaicin)

Lambar D1:

• 18 lm (Ƙananan) zuwa 19 lm (Matsakaicin)Lambar D2:
• 19 lm (Ƙananan) zuwa 20 lm (Matsakaicin)Hakuri don auna ƙarfin haske shine ±7%.
• 3.2 Rarrabawar Ƙarfin Wutar Lantarki na Gaba (Forward Voltage Binning) Ana rarraba ƙarfin wutar lantarki na gaba don taimakawa wajen ƙirar da'ira don daidaita halin yanzu.Lambar B:
• 2.8 V (Ƙananan) zuwa 2.9 V (Matsakaicin)Lambar C:

2.9 V (Ƙananan) zuwa 3.0 V (Matsakaicin)

Lambar D:

3.0 V (Ƙananan) zuwa 3.1 V (Matsakaicin)

• Lambar E:3.1 V (Ƙananan) zuwa 3.2 V (Matsakaicin)
• Lambar F:3.2 V (Ƙananan) zuwa 3.3 V (Matsakaicin)
• Lambar G:3.3 V (Ƙananan) zuwa 3.4 V (Matsakaicin)
• Hakuri don auna ƙarfin wutar lantarki shine ±0.08V.3.3 Rarrabawar Launi (Chromaticity Binning) Launin LED an ayyana shi a cikin takamaiman yankuna akan zane na launi na CIE 1931. Don bambancin Cool White (CCT >5000K, har zuwa 20000K), daidaitattun madaidaitan launi suna iyaka da takamaiman yankuna polygon (misali, Wa, Wb, Wc, Wd, We, Wf, Wg1, Wh1 kamar yadda aka jera a cikin takardar bayani). Wannan yana tabbatar da cewa hasken fari da aka fitar ya faɗi cikin kewayon launi da ake yarda da shi. Bambancin da aka yarda don daidaitattun launi shine ±0.005.
• Hakuri don Ma'aunin Nuna Launi (CRI) shine ±2.4. Binciken Lanƙwasa Aiki
• 4.1 Ƙarfin Wutar Lantarki na Gaba da Ƙarfin Wutar Lantarki na Gaba (Lanƙwasa I-V) Lanƙwasa I-V halayyar diode semiconductor ce. Ga wannan LED, ƙarfin wutar lantarki na gaba yana ƙaruwa ba tare da layi ba tare da halin yanzu. A halin yanzu na aiki na al'ada na 60mA, ƙarfin wutar lantarki na gaba yana kusan 3.2V. Dole ne masu ƙira su yi amfani da da'ira mai iyakancewa halin yanzu, ba tushen wutar lantarki ba, don tuka LED cikin aminci.4.2 Ƙarfin Wutar Lantarki na Gaba da Dangantakar Ƙarfin Hasken (Relative Luminous Flux) Fitar da haske yana ƙaruwa tare da ƙarfin wutar lantarki na gaba amma a ƙarshe zai cika kuma zai iya raguwa a cikin halin yanzu mai girma saboda tasirin zafi. Lanƙwasa yana nuna cewa yin aiki a ko ƙasa da shawarar 60mA yana ba da ingantacciyar inganci da tsawon rai.

4.3 Zazzabin Junction (Tj) da Dangantakar Ƙarfin Bakan (Relative Spectral Power) Yayin da zazzabin junction (Tj) ya tashi, rarraba ƙarfin bakan na iya canzawa. Ga LED fari, wannan sau da yawa yana bayyana azaman canji a cikin zazzabin launi mai alaƙa (CCT) da yuwuwar raguwa a cikin ƙarfin haske. Kiyaye ƙaramin zazzabin junction ta hanyar sarrafa zafi yana da mahimmanci don kwanciyar hankali na launi da kiyaye fitar da haske.

4.4 Rarraba Ƙarfin Bakan (Spectral Power Distribution) Lanƙwasa na bakan don LED fari (yawanci mai canzawa phosphor) yana nuna babban kololuwa a yankin shuɗi daga guntu na farko da kuma fitar da rawaya/ja mai faɗi daga phosphor. Daidai siffar ta bambanta tare da CCT (misali, 2600-3700K, 3700-5000K, 5000-10000K), tare da CCT masu sanyaya suna da ƙarin abun ciki na shuɗi kuma CCT masu dumi suna da ƙarin abun ciki na rawaya/ja.

5. Bayanin Injiniya & Marufi

5.1 Girman Marufi LED yana bin daidaitaccen gaban ƙafa na 3020: kusan 3.0mm tsawon da 2.0mm faɗi. Cikakkun zane-zane masu girma tare da hakuri (±0.10mm don girman .X, ±0.05mm don girman .XX) an bayar da su a cikin takardar bayani don tunani na shimfidar PCB.

5.2 Tsarin Pad da Ƙirar Stencil An ƙayyade shimfidar pad ɗin solder da buɗaɗɗen girman stencil don tabbatar da samuwar haɗin gwiwar solder yayin reflow. Bin waɗannan jagororin yana da mahimmanci don daidaitawar da ta dace, canja wurin zafi, da kwanciyar hankali na injiniya.

6. Jagororin Solder & Haɗawa

6.1 Hancin Danshi da Gasawa (Baking) Wannan LED 3020 an rarraba shi azaman mai hancin danshi bisa ga IPC/JEDEC J-STD-020C. Idan an buɗe jakar shinge na danshi na asali kuma abubuwan sun fallasa ga danshin yanayi, dole ne a gasa su kafin reflow solder don hana lalacewar "popcorn".

Yanayin Gasawa:

60°C na sa'o'i 24.

Bayan Gasawa:

Yi solder a cikin sa'a 1 ko ajiye a cikin yanayi mai bushewa (<20% RH).

Kada a gasa

a yanayin zafi sama da 60°C.

6.2 Yanayin Ajiya

Jakar da ba a buɗe ba:

Zazzabi 5-30°C, Danshi <85%.

Jakar da aka buɗe:

Yi amfani da shi a cikin sa'o'i 12. Ajiye a 5-30°C, Danshi <60%, zai fi dacewa a cikin akwati mai rufi tare da desiccant ko kabad na nitrogen.

Idan an fallasa na >12 hours, ana buƙatar gasawa (60°C/24h) kafin amfani.

6.3 Bayanan Reflow Solder An ba da bayanan reflow guda biyu na daidaitacce:

Solder mara gubar:

• Matsakaicin zazzabi 230°C ko 260°C, tare da lokacin da ya wuce liquidus (TAL) da aka sarrafa.Solder mai tushen gubar:
• Matsakaicin yanayin zafi mai ƙasa da haka.Yana da mahimmanci a bi ƙimar haɓakawa, jiƙa, reflow, da saurin sanyaya da aka ba da shawarar don rage matsin lamba na zafi akan kunshin LED da guntu na ciki.
• 7. Kariya daga Zubar da Wutar Lantarki (ESD) LEDs na'urori ne na semiconductor masu saukin kamuwa da lalacewar ESD, musamman nau'ikan fari, kore, shuɗi, da purple.Yuwuwar Lalacewa:

ESD na iya haifar da gazawar nan take (LED matacce) ko lalacewa mai ɓoye wanda ke haifar da raguwar haske, canjin launi, ko gajartawar tsawon rai.

• Matakan Kariya:Yi amfani da tashoshin aiki masu kariya daga wutar lantarki da kuma benaye.
• Dole ne ma'aikata su sanya igiyoyin wuyan hannu masu kariya daga wutar lantarki, safar hannu, da tufafi.Yi amfani da ionizers kuma tabbatar da kayan aikin solder suna da tushe daidai.
• Yi amfani da kayan marufi masu kariya daga wutar lantarki.

8. Aikace-aikace & Abubuwan Ƙirar Ƙira

8.1 Ƙirar Da'ira Hanyar Tuƙi: Koyaushe yi amfani da direba mai ci gaba da halin yanzu. Guje wa haɗin kai kai tsaye zuwa tushen wutar lantarki. Iyakance Halin Yanzu: Ana ba da shawarar sosai don haɗa resistor na jerin don kowane jerin LEDs don ƙarin daidaitawar halin yanzu da kariya, ko da lokacin amfani da direba mai ci gaba da halin yanzu. Polarity: Ku lura da daidaitaccen alkiblar anode/cathode yayin haɗawa. Tsarin Wutar Lantarki: Lokacin gwaji, haɗa fitarwar direba zuwa LED da farko, sannan ku ba da wutar lantarki ga shigarwar direba don guje wa ƙararrakin wutar lantarki.

• 8.2 Matakan Kariya na Sarrafawa Sarrafawa mara kyau na iya haifar da lalacewa ta jiki da ta gani: Guɓe Yatsu: Kada ku sarrafa ruwan tabarau na silicone da yatsu marasa rufi, saboda mai da matsa lamba na iya gurɓata saman ko lalata igiyoyin haɗin gwiwa/guntu. Guɓe Tweezers: Kada ku matse jikin silicone da tweezers, saboda wannan na iya murƙushe guntu ko karya haɗin gwiwa. Yi Amfani da Bututun Ƙarfe Daidai: Don ɗauka da sanyawa, yi amfani da bututun iska mai girman da ya dace don guje wa matsa cikin silicone mai laushi. Guɓe Faɗuwa: Yana hana nakasar gubar. Bayan Haɗawa: Kada ku jera PCBs da aka haɗa kai tsaye a kan juna, saboda wannan na iya goge ruwan tabarau da kuma amfani da matsa lamba ga abubuwan.9. Dokar Sunan Samfur Lambar ɓangaren tana bin takamaiman tsarin lamba: T □□ □□ □ □ □ – □□□ □□ Ma'anoni mahimman lambobi sun haɗa da: Lambar Marufi (misali, 34): Gaban ƙafa na 3020. Lambar Ƙididdigar Guntu (misali, S): 'S' don guntu guda mai ƙaramin ƙarfi. Lambar Launi (misali, W): 'W' don Cool White (>5000K). Sauran lambobi: L (Warm White), C (Neutral White), R (Ja), da sauransu. Lambar Optics (misali, 00): '00' don babu ruwan tabarau na farko. Lambar Kwandon Ƙarfin Hasken (misali, D1): Yana ƙayyade kewayon fitar da haske. Lambar Kwandon Ƙarfin Wutar Lantarki na Gaba (misali, D): Yana ƙayyade kewayon Vf.
• 10. Yanayin Aikace-aikace na Al'ada Saboda ƙaramin girmansa, ingantaccen inganci, da ingantaccen aiki, LED fari 3020 0.2W ya dace da: Hasken Baya: Nuni na LCD, allunan nuna alama, alamar alama. Hasken Ado: Tsiri na haske, hasken kwane-kwane, hasken ƙwaƙwalwa. Hasken Gabaɗaya: An haɗa shi cikin ƙwanƙwasa, fitilun ƙasa, da fitilun panel inda ake amfani da LED da yawa a cikin jeri. Kayan Lantarki na Masu Amfani: Alamomin matsayi, hasken baya na madannai.11. Kwatancen Fasaha & Bambance-bambance Idan aka kwatanta da tsofaffin marufi kamar 3528, 3020 yana ba da gaban ƙafa mafi ƙanƙanta, yana ba da damar shimfidar PCB mai yawan gaske kuma yana iya samun ingantaccen sarrafa zafi saboda tsarin ciki daban-daban. Ƙimar wutar lantarki 0.2W ta sanya shi tsakanin LED masu nuna alama masu ƙaramin ƙarfi da LED masu haske masu ƙarfi, yana ba da kyakkyawar sulhu tsakanin fitar da haske da amfani da wutar lantarki don aikace-aikace da yawa. Cikakken tsarin rarrabawa don ƙarfin haske, ƙarfin wutar lantarki, da launi yana ba masu ƙira da hasashen da ake buƙata don daidaitaccen ingancin samfurin ƙarshe.

12. Tambayoyin da ake yawan yi (FAQ)

12.1 Me yasa ake buƙatar gasawa kafin solder? Kunshin LED na iya ɗaukar danshi daga iska. A lokacin babban tsarin reflow na zafi, wannan danshi yana juya zuwa tururi cikin sauri, yana haifar da matsa lamba na ciki wanda zai iya raba kunshin ko fashe guntu, yana haifar da gazawa. Gasawa yana kawar da wannan danshin da aka ɗauka.

12.2 Shin zan iya tuka wannan LED kai tsaye da wadatar 3.3V? A'a. Ƙarfin wutar lantarki na gaba yana bambanta ta hanyar kwandon da kuma tare da zazzabi. Wadatar 3.3V na iya haifar da halin yanzu mai yawa a cikin ƙaramin kwandon Vf, yana haifar da zafi da gazawa. Koyaushe yi amfani da direba mai ci gaba da halin yanzu ko tushen wutar lantarki tare da resistor mai iyakancewa halin yanzu na jerin.

• 12.3 Menene manufar lambobin rarrabawa daban-daban? Rarrabawa yana tabbatar da daidaito. Ta hanyar zaɓar LEDs daga kwandon ƙarfin haske da launi iri ɗaya, samfurin haske zai sami daidaitaccen haske da launi. Zaɓin daga takamaiman kwandon ƙarfin wutar lantarki na iya sauƙaƙa ƙirar da'ira na daidaita halin yanzu.12.4 Yaya mahimmanci sarrafa zafi? Mahimmanci sosai. Wucewa matsakaicin zazzabin junction (125°C) zai rage tsawon rai na LED da sauri kuma yana haifar da canjin launi. Ya kamata a ƙera PCB don yin aiki azaman mai sanyaya zafi, kuma kada a yi aiki da LED a cikin matsakaicin halin yanzu ba tare da isasshen sanyaya ba.
• 13. Nazarin Shari'ar Ƙira Yanayi: Ƙirar tsiri na LED na layi don hasken ƙwaƙwalwa na gine-gine. Zaɓi: An zaɓi LED 3020 saboda ƙaramin girmansa, yana ba da damar yawancin LEDs a kowace mita don santsin layukan haske, kuma ƙimar wutar lantarki 0.2W tana kiyaye ikon tsiri gabaɗaya. Rarrabawa: An ƙayyade LEDs daga kwandon ƙarfin haske guda ɗaya (misali, D1) da kwandon launi don tabbatar da daidaitaccen haske da launi tare da dukan tsiri. Da'ira: An tsara LEDs a cikin jerin layi-layi. Ana amfani da direba mai ci gaba da halin yanzu, tare da ƙaramin resistor na jerin akan kowane jerin layi don ƙarin daidaita halin yanzu da kariya kamar yadda takardar bayani ta ba da shawarar da'ira (Hoto na 2). Zafi: Tsiri yana amfani da PCB na aluminum don fitar da zafi daga LEDs yadda ya kamata, yana kiyaye zazzabin junction ƙasa da matsakaicin ƙimar yayin aiki na ci gaba. Haɗawa: Kamfanin kwangila yana bin jagororin sarrafawa, ajiya, da reflow da gaske don cimma yawan amfanin farko mai girma.
  • 14. Ka'idar Aiki LED fari yawanci ya ƙunshi guntu semiconductor mai fitar da hasken shuɗi (yawanci bisa InGaN) wanda aka lulluɓe da phosphor rawaya. Lokacin da halin yanzu ya gudana ta cikin guntu, yana fitar da hasken shuɗi. Wani ɓangare na wannan hasken shuɗi yana ɗaukar phosphor, wanda ke sake fitar da shi azaman hasken rawaya mai faɗi. Cakuda sauran hasken shuɗi da canza hasken rawaya idon ɗan adam yana ganinsa azaman hasken fari. Daidaitaccen rabo na shuɗi zuwa rawaya yana ƙayyade zazzabin launi mai alaƙa (CCT) na hasken fari.
  • 15. Trends na Fasaha Gabaɗayan yanayin a cikin SMD LEDs kamar 3020 yana zuwa ga ingantaccen inganci na haske (ƙarin lumens a kowace watt), ingantaccen ma'aunin nuna launi (CRI), da ingantaccen daidaiton launi a cikin batches. Har ila yau, akwai ci gaba da ci gaba a cikin aminci da tsawon rai a ƙarƙashin yanayin aiki daban-daban. Bugu da ƙari, fasahar marufi tana ci gaba da haɓakawa don ba da damar yawan wutar lantarki mai girma da ingantaccen aikin zafi daga gaban ƙafa mafi ƙanƙanta. Ka'idojin rarrabawa mai kyau, sarrafa hancin danshi, da kariyar ESD sun kasance mahimmanci ga inganci da aminci a cikin duk tsararrakin fasahar LED.
  • Use ionizers and ensure soldering equipment is properly grounded.
  • Use anti-static packaging materials.

. Application & Design Considerations

.1 Circuit Design

• Drive Method:Always use a constant-current driver. Avoid direct connection to a voltage source.
• Current Limiting:It is highly recommended to include a series resistor for each string of LEDs for additional current stabilization and protection, even when using a constant-current driver.
• Polarity:Observe correct anode/cathode orientation during assembly.
• Power Sequencing:When testing, connect the driver output to the LED first, then power the driver input to avoid voltage spikes.

.2 Handling Precautions

Improper handling can cause physical and optical damage:

• Avoid Fingers:Do not handle the silicone lens with bare fingers, as oils and pressure can contaminate the surface or damage the wire bonds/die.
• Avoid Tweezers:Do not squeeze the silicone body with tweezers, as this can crush the die or break bonds.
• Use Correct Nozzle:For pick-and-place, use a vacuum nozzle with an appropriate size to avoid pressing into the soft silicone.
• Avoid Dropping:Prevents lead deformation.
• Post-Assembly:Do not stack assembled PCBs directly on top of each other, as this can scratch lenses and apply pressure to the components.

. Product Nomenclature Rule

The part number follows a specific coding system:T □□ □□ □ □ □ – □□□ □□

Key code definitions include:

• Package Code (e.g., 34): footprint.
• Chip Count Code (e.g., S):'S' for single small-power chip.
• Color Code (e.g., W):'W' for Cool White (>5000K). Other codes: L (Warm White), C (Neutral White), R (Red), etc.
• Optics Code (e.g., 00):'00' for no primary lens.
• Luminous Flux Bin Code (e.g., D1):Specifies the luminous output range.
• Forward Voltage Bin Code (e.g., D):Specifies the Vf range.

. Typical Application Scenarios

Due to its compact size, good efficiency, and reliable performance, the 3020 0.2W white LED is well-suited for:

• Backlighting:LCD displays, indicator panels, signage.
• Decorative Lighting:Light strips, contour lighting, accent lighting.
• General Illumination:Integrated into bulbs, downlights, and panel lights where multiple LEDs are used in an array.
• Consumer Electronics:Status indicators, keyboard backlights.

. Technical Comparison & Differentiation

Compared to earlier packages like 3528, the 3020 offers a more compact footprint, allowing for higher density PCB layouts and potentially better thermal management due to a different internal structure. Its 0.2W power rating places it between very low-power indicator LEDs and higher-power illumination LEDs, offering a good compromise between light output and power consumption for many applications. The detailed binning system for flux, voltage, and chromaticity provides designers with the predictability needed for consistent end-product quality.

. Frequently Asked Questions (FAQ)

.1 Why is baking necessary before soldering?

The LED package can absorb moisture from the air. During the high-temperature reflow process, this moisture rapidly turns to steam, creating internal pressure that can delaminate the package or crack the die, leading to failure. Baking removes this absorbed moisture.

.2 Can I drive this LED directly with a 3.3V supply?

No. The forward voltage varies by bin and with temperature. A 3.3V supply could cause excessive current in a low Vf bin, leading to overheating and failure. Always use a constant-current driver or a voltage source with a series current-limiting resistor.

.3 What is the purpose of the different bin codes?

Binning ensures consistency. By selecting LEDs from the same flux and chromaticity bin, a lighting product will have uniform brightness and color. Selecting from a specific voltage bin can simplify current regulation circuit design.

.4 How critical is thermal management?

Very critical. Exceeding the maximum junction temperature (125°C) will drastically shorten the LED's lifespan and cause color shift. The PCB should be designed to act as a heat sink, and the LED should not be operated at absolute maximum currents without adequate cooling.

. Design-in Case Study

Scenario:Designing a linear LED light strip for architectural accent lighting.

• Selection:The 3020 LED is chosen for its compact size, allowing many LEDs per meter for smooth light lines, and its 0.2W power rating keeps total strip power manageable.
• Binning:LEDs from a single luminous flux bin (e.g., D1) and chromaticity bin are specified to ensure consistent brightness and color along the entire strip.
• Circuit:LEDs are arranged in series-parallel strings. A constant-current driver is used, with a small series resistor on each parallel string for additional current balancing and protection as per the datasheet's recommended circuit (Figure 2).
• Thermal:The strip uses an aluminum PCB to effectively dissipate heat from the LEDs, keeping the junction temperature well below the maximum rating during continuous operation.
• Assembly:The contract manufacturer follows the handling, storage, and reflow guidelines strictly to achieve a high first-pass yield.

. Operating Principle

A white LED typically consists of a blue-light-emitting semiconductor die (usually based on InGaN) coated with a yellow phosphor. When current flows through the die, it emits blue light. Part of this blue light is absorbed by the phosphor, which re-emits it as broad-spectrum yellow light. The mixture of the remaining blue light and the converted yellow light is perceived by the human eye as white light. The exact ratio of blue to yellow determines the correlated color temperature (CCT) of the white light.

. Technology Trends

The general trend in SMD LEDs like the 3020 is toward higher luminous efficacy (more lumens per watt), improved color rendering index (CRI), and better color consistency across batches. There is also ongoing development in reliability and lifetime under various operating conditions. Furthermore, packaging technology continues to evolve to allow for higher power density and better thermal performance from ever-smaller footprints. The principles of careful binning, moisture sensitivity handling, and ESD protection remain fundamental to quality and reliability across all generations of LED technology.