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Bayanin Fasaha na SMD Middle Power Blue LED 67-21S/B3C - Kunshin PLCC-2 - 3.2V na Yau da Kullun - 0.27W Maksimum - Takardun Fasaha na Turanci

Bayanin fasaha na SMD middle power blue LED 67-21S/B3C. Yana da fasali kamar kunshin PLCC-2, kusurwar kallo na 120°, ingantaccen aiki, da bin ka'idojin RoHS, REACH, da maras halogen.
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Murfin Takardar PDF - Bayanin Fasaha na SMD Middle Power Blue LED 67-21S/B3C - Kunshin PLCC-2 - 3.2V na Yau da Kullun - 0.27W Maksimum - Takardun Fasaha na Turanci
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Gida » Takaddun » Bayanin Fasaha na SMD Middle Power Blue LED 67-21S/B3C - Kunshin PLCC-2 - 3.2V na Yau da Kullun - 0.27W Maksimum - Takardun Fasaha na Turanci

Teburin Abubuwan Ciki

1. Bayanin Samfur

67-21S/B3C na'urar da ake hawa a saman (SMD) ce mai matsakaicin ƙarfi wacce aka tsara don aikace-aikacen haske na gabaɗaya. Tana amfani da kunshin PLCC-2 (Plastic Leaded Chip Carrier), tana ba da tsari mai ƙarami wanda ya dace da tsarin haɗawa ta atomatik. Babban launin da ake fitarwa shi ne shuɗi, wanda aka samu ta hanyar fasahar InGaN chip, tare da ruwan tabarau na resin mai tsabta wanda ke ba da faɗin kusurwar kallo na digiri 120. Haɗin wadannan fasali ya sa ya zama tushen haske mai inganci da kuma yawan amfani.

Muhimman fa'idodin wannan LED sun haɗa da ingantaccen haske, wanda ke nufin kyakkyawan fitar da haske don matakin amfani da wutar lantarki. Kunshin ba shi da gubar kuma ya bi ka'idojin muhalli na manya ciki har da RoHS, EU REACH, da buƙatun maras halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm), yana tabbatar da cewa ya dace da ka'idojin masana'antu na zamani da dorewa.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Matsakaicin Matsayin Matsakaici

Iyakar aikin na'urar an ayyana su a ƙarƙashin takamaiman yanayi (zafin wurin gyarawa a 25°C). Matsakaicin ci gaba na halin yanzu na gaba (IF) shine 75 mA. Don aikin bugun jini, matsakaicin halin yanzu na gaba (IFP) na 150 mA ana ba da izini a ƙarƙashin zagayowar aiki na 1/10 da faɗin bugun jini na 10 ms. Matsakaicin raguwar wutar lantarki (Pd) shine 270 mW. Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C, yayin da ajiya na iya faruwa tsakanin -40°C da +100°C. Juriyar zafi daga haɗin zuwa wurin gyarawa (Rth J-S) shine 50 °C/W, kuma matsakaicin zafin haɗin da aka yarda (Tj) shine 115°C. Dole ne gyarawa ya bi ƙa'idodi masu tsauri: gyarar sake kunnawa a 260°C na matsakaicin dakika 10, ko gyarar hannu a 350°C na matsakaicin dakika 3. Na'urar tana da hankali ga zubar da wutar lantarki (ESD), tana buƙatar matakan kulawa da suka dace.

2.2 Halayen Lantarki da Hasken Gani

An auna a zafin wurin gyarawa na 25°C da halin yanzu na gaba na 60 mA, an ayyana mahimman sigogi na aiki. Juzu'in haske (Iv) yana da kewayon na yau da kullun, tare da ƙayyadaddun ƙananan da matsakaicin ƙima a sashin binning. Ƙarfin lantarki na gaba (VF) yawanci yana faɗuwa tsakanin 2.9V da 3.6V a 60mA. Kusurwar kallo (2θ1/2) digiri 120 ne, yana ba da tsarin fitarwa mai faɗi. Halin yanzu na baya (IR) an iyakance shi zuwa matsakaicin 50 µA a ƙarfin lantarki na baya (VR) na 5V. Yarjejeniyoyi don juzu'in haske da ƙarfin lantarki na gaba sune ±11% da ±0.1V, bi da bi.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin ƙirar aikace-aikace, ana rarraba LED zuwa kwandon asusun dangane da mahimman sigogi.

3.1 Binning Juzu'in Hasken Gani

An rarraba juzu'in haske zuwa kwandon asusun D5, D6, da D7. Kwandon D5 ya ƙunshi lumen 2.5 zuwa 3.0, D6 ya ƙunshi lumen 3.0 zuwa 3.5, kuma D7 ya ƙunshi lumen 3.5 zuwa 4.0, duk an auna su a IF=60mA.

3.2 Binning Ƙarfin Lantarki na Gaba

An rarraba ƙarfin lantarki na gaba da kyau daga lamba 36 zuwa 42. Kowane kwandon asusun yana wakiltar mataki na 0.1V, farawa daga 2.9-3.0V (Kwandon 36) har zuwa 3.5-3.6V (Kwandon 42), an auna shi a IF=60mA.

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Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon

The blue color is defined by dominant wavelength bins. Bin B50 covers 445nm to 450nm, and Bin B51 covers 450nm to 455nm, measured at IF=60mA with a measurement tolerance of ±1nm.

. Performance Curve Analysis

The datasheet provides several graphs illustrating device behavior under varying conditions.

.1 Spectrum Distribution

A graph shows the relative luminous intensity versus wavelength, typical for a blue InGaN LED, with a peak in the 455-460nm region.

.2 Forward Voltage vs. Temperature

Figure 1 depicts the forward voltage shift relative to junction temperature. The voltage typically decreases as temperature increases, which is a characteristic of semiconductor diodes.

.3 Relative Radiometric Power vs. Current

Figure 2 shows that light output increases with forward current but may exhibit sub-linear behavior at higher currents due to efficiency droop and thermal effects.

.4 Relative Luminous Flux vs. Temperature

Figure 3 illustrates the derating of luminous flux with increasing junction temperature. Light output decreases as temperature rises, highlighting the importance of thermal management.

.5 IV Characteristic Curve

Figure 4 presents the relationship between forward current and forward voltage at a fixed temperature, showing the typical exponential diode curve.

.6 Current Derating vs. Temperature

Figure 5 shows the maximum allowable driving forward current as a function of soldering temperature, considering the thermal resistance. This graph is crucial for determining safe operating conditions in different thermal environments.

.7 Radiation Pattern

Figure 6 is a polar diagram showing the spatial distribution of light intensity, confirming the wide 120-degree viewing angle with a near-Lambertian pattern.

. Mechanical and Package Information

.1 Package Dimensions

The PLCC-2 package has a defined footprint and profile. Detailed dimensional drawings are provided, with standard tolerances of ±0.15mm unless otherwise specified. The design includes anode and cathode markings for correct PCB orientation.

.2 Pad Design and Polarity

The solder pad layout is designed for stable mounting and good solder joint formation. Clear polarity indicators (typically a notch or a marked cathode) on the package and recommended PCB silkscreen ensure correct installation.

. Soldering and Assembly Guidelines

Strict soldering profiles must be followed to prevent damage. For reflow soldering, the peak temperature must not exceed 260°C for more than 10 seconds. For hand soldering, the iron tip temperature should not exceed 350°C, and contact time should be limited to 3 seconds per pad. The devices are moisture-sensitive and should be stored in their original moisture-resistant packaging. If the exposure time exceeds limits, baking may be required before soldering.

. Packaging and Ordering Information

The LEDs are supplied on moisture-resistant tape and reel for automated pick-and-place assembly. Standard reel quantities include 250, 500, 1000, 2000, 3000, and 4000 pieces. The reel and carrier tape dimensions are specified with tolerances of ±0.1mm. The packaging process involves sealing the reel in an aluminum moisture-proof bag with desiccant. Labels on the bag and reel provide critical information: Customer's Product Number (CPN), Product Number (P/N), quantity (QTY), and the specific bin codes for luminous intensity (CAT), dominant wavelength (HUE), and forward voltage (REF), along with the lot number (LOT No).

. Application Suggestions

.1 Typical Application Scenarios

This LED is suitable for decorative and entertainment lighting, agriculture lighting (e.g., supplemental blue light for plant growth), and general illumination applications where a compact, efficient blue light source is needed.

.2 Design Considerations

Designers must consider thermal management due to the 50 °C/W thermal resistance. Adequate PCB copper area or heatsinking is necessary to maintain a low junction temperature for optimal performance and longevity. Current limiting is essential; a constant current driver is recommended over a constant voltage source to ensure stable light output and prevent thermal runaway. The binning codes must be reviewed for color and brightness consistency in the final application.

. Reliability Testing

The product undergoes a comprehensive suite of reliability tests with a 90% confidence level and 10% LTPD (Lot Tolerance Percent Defective). Tests include reflow soldering resistance, thermal shock (-10°C to +100°C), temperature cycling (-40°C to +100°C), high temperature/humidity storage (85°C/85%RH), high temperature/humidity operation, low/high temperature storage, and various high/low temperature operation life tests under different current stresses. These tests validate the LED's robustness under typical environmental and operational stresses.

. Frequently Asked Questions (Based on Technical Parameters)

Q: What is the typical operating current?

A: The electro-optical characteristics are specified at 60mA, which can be considered a typical operating point. The absolute maximum continuous current is 75mA.

Q: How do I interpret the luminous flux bins?

A> The bin code (D5, D6, D7) on the label indicates the guaranteed minimum and maximum luminous flux range for that specific reel of LEDs, ensuring brightness consistency within your design.

Q: Why is thermal management important?

A> As shown in the performance curves, luminous output decreases and forward voltage shifts with rising junction temperature. Exceeding the maximum junction temperature (115°C) can lead to accelerated degradation or failure. The thermal resistance of 50 °C/W defines how easily heat can escape.

Q: Can I drive this LED with a 3.3V supply?

A> Possibly, but not directly. The forward voltage ranges from 2.9V to 3.6V. A constant 3.3V supply could overdrive LEDs in lower voltage bins or fail to properly turn on LEDs in higher voltage bins. A constant current driver is the recommended method.

. Design and Usage Case Study

Consider a design for a decorative blue accent light strip. The designer selects the 67-21S/B3C LED for its compact size and wide viewing angle. To ensure uniform color and brightness, they specify a tight binning requirement, e.g., B51 for wavelength and D6 for flux. A constant current driver IC is chosen to provide 60mA per LED. The PCB layout incorporates generous copper pours under the LED pads to act as a heat spreader, connected to larger ground planes to dissipate heat, keeping the estimated junction temperature below 85°C in the application's ambient environment. The tape-and-reel packaging allows for efficient automated assembly of the light strip.

. Technical Principle Introduction

This LED is based on a semiconductor heterostructure made of Indium Gallium Nitride (InGaN). When a forward voltage is applied, electrons and holes are injected into the active region where they recombine, releasing energy in the form of photons (light). The specific composition of the InGaN alloy determines the bandgap energy, which in turn defines the wavelength of the emitted blue light. The water-clear epoxy resin lens encapsulates the chip, provides mechanical protection, and shapes the light output beam.

. Technology Trends

The middle-power LED segment continues to evolve towards higher efficacy (more lumens per watt), improved color consistency, and lower cost. Advances in chip design, phosphor technology (for white LEDs), and package materials contribute to these trends. There is also a strong drive for further miniaturization and integration, as well as enhanced reliability under higher drive currents and operating temperatures. The compliance with halogen-free and other environmental standards is now a baseline expectation in the industry.

Kalmomin Ƙayyadaddun LED

Cikakken bayanin kalmomin fasaha na LED

Aikin Hasken Wutar Lantarki

Kalma Naúrar/Wakilci Bayanin Sauri Me yasa yake da muhimmanci
Ingancin Hasken Wuta lm/W (lumen kowace watt) Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari. Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki.
Gudun Hasken Wuta lm (lumen) Jimillar hasken da tushe ke fitarwa, ana kiransa "haske". Yana ƙayyade ko hasken yana da haske sosai.
Kusurwar Dubawa ° (digiri), misali 120° Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske. Yana shafar kewar haskakawa da daidaito.
Zafin Launi (CCT) K (Kelvin), misali 2700K/6500K Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi. Yana ƙayyade yanayin haskakawa da yanayin da suka dace.
CI / Ra Ba naúrar, 0–100 Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau. Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi.
SDCM Matakan ellipse MacAdam, misali "5-mataki" Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi. Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya.
Matsakaicin Tsawon Raɗaɗin Hasken nm (nanomita), misali 620nm (ja) Tsawon raɗaɗin haske daidai da launin LED masu launi. Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya.
Rarraba Bakan Hasken Layin tsawon raɗaɗi da ƙarfi Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske. Yana shafar ba da launi da ingancin launi.

Ma'auni na Lantarki

Kalma Alamar Bayanin Sauri Abubuwan ƙira
Ƙarfin lantarki na gaba Vf Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa". Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere.
Ƙarfin lantarki na gaba If Ƙimar ƙarfin lantarki don aikin LED na yau da kullun. Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai.
Matsakaicin Ƙarfin lantarki na bugun jini Ifp Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya. Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa.
Ƙarfin lantarki na baya Vr Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa. Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki.
Juriya na zafi Rth (°C/W) Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau. Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi.
Rigakafin ESD V (HBM), misali 1000V Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni. Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali.

Gudanar da Zafi & Amincewa

Kalma Ma'aunin maɓalli Bayanin Sauri Tasiri
Zazzabin Haɗin gwiwa Tj (°C) Ainihin yanayin aiki a cikin guntun LED. Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi.
Ragewar Lumen L70 / L80 (sa'o'i) Lokacin da haske ya ragu zuwa 70% ko 80% na farko. Kai tsaye yana ayyana "tsawon sabis" na LED.
Kula da Lumen % (misali 70%) Kashi na hasken da aka riƙe bayan lokaci. Yana nuna riƙon haske akan amfani na dogon lokaci.
Canjin Launi Δu′v′ ko ellipse MacAdam Matsakaicin canjin launi yayin amfani. Yana shafar daidaiton launi a cikin yanayin haskakawa.
Tsufa na Zafi Lalacewar kayan aiki Lalacewa saboda yanayin zafi na dogon lokaci. Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye.

Tufafi & Kayan Aiki

Kalma Nau'ikan gama gari Bayanin Sauri Siffofi & Aikace-aikace
Nau'in Kunshin EMC, PPA, Yumbu Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi. EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai.
Tsarin Guntu Gaba, Guntu Juyawa Tsarin na'urorin lantarki na guntu. Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi.
Rufin Phosphor YAG, Silicate, Nitride Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari. Phosphor daban-daban suna shafar inganci, CCT, da CRI.
Ruwan tabarau/Optics Lefi, Microlens, TIR Tsarin gani a saman yana sarrafa rarraba haske. Yana ƙayyade kusurwar dubawa da layin rarraba haske.

Kula da Inganci & Rarraba

Kalma Abun rarraba Bayanin Sauri Manufa
Kwalin Gudun Hasken Lambar misali 2G, 2H An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen. Yana tabbatar da daidaiton haske a cikin jeri ɗaya.
Kwalin Ƙarfin lantarki Lambar misali 6W, 6X An tattara su ta hanyar kewayon ƙarfin lantarki na gaba. Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin.
Kwalin Launi Ellipse MacAdam 5-mataki An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon. Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin.
Kwalin CCT 2700K, 3000K da sauransu An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa. Yana cika buƙatun CCT na yanayi daban-daban.

Gwaji & Takaddun Shaida

Kalma Matsakaicin/Gwaji Bayanin Sauri Muhimmanci
LM-80 Gwajin kula da lumen Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske. Ana amfani dashi don kimanta rayuwar LED (tare da TM-21).
TM-21 Matsakaicin kimanta rayuwa Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80. Yana ba da hasashen kimiyya na rayuwa.
IESNA Ƙungiyar Injiniyoyin Haskakawa Yana rufe hanyoyin gwajin gani, lantarki, zafi. Tushen gwaji da masana'antu suka amince.
RoHS / REACH Tabbatarwar muhalli Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury). Bukatar shiga kasuwa a duniya.
ENERGY STAR / DLC Tabbatarwar ingancin kuzari Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa. Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa.