Bayanin Fasaha na LED PLCC-2 Mai Sanyi Fari - Kallon Kusa 120\u00b0 - 3.1V Na Yau da Kullun - 20mA

Teburin Abubuwan Ciki

1. Bayyani Game da Samfurin
2. Zurfin Nazarin Ma'auni na Fasaha
2.1 Halaye na Hoto da Na Lantarki
2.2 Matsakaicin Matsakaicin Matsakaici
2.3 Halaye na Zafi
3. Nazarin Lankwasa na Aiki
3.1 Halin Yanzu na Gaba da Karfin Wutar Lantarki (Lankwasa I-V)
3.2 Fitowar Hoto da Halin Yanzu da Zafin Jiki
3.3 Kwanciyar Hankan Launi
3.4 Rarraba Bakan Haske da Tsarin Watsa Wutar Lantarki
4. Bayanin Tsarin Rarraba (Binning)
4.1 Rarraba Karfin Hasken (Luminous Intensity Binning)
4.2 Rarraba Launi (Color Binning)
5. Bayanin Injiniya da Kunshewa
5.1 Girman Jiki
5.2 Tsarin Gindin Solder da Aka Shawarta
5.3 Gano Polarity
6. Jagororin Solder da Haɗawa
6.1 Bayanin Yanayin Reflow Solder
6.2 Kariya don Amfani
6.3 Yanayin Ajiya
7. Shawarwari na Aikace-aikace
7.1 Da'irorin Aikace-aikace na Yau da Kullun
7.2 Abubuwan da Ake Kula da Zane
8. Kwatanta Fasaha da Bambance-bambance
9. Tambayoyin da Ake Yawan Yi (FAQs)
10. Ka'idar Aiki
11. Trends na Masana'antu

1. Bayyani Game da Samfurin

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun 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The LED emits a cool white light, characterized by typical CIE 1931 color coordinates of (0.3, 0.3). It is targeted at applications requiring consistent, bright illumination in confined spaces, such as dashboard backlighting, switch illumination, and indicator clusters. Compliance with AEC-Q102, RoHS, and REACH underscores its suitability for modern electronic assemblies with stringent quality and environmental requirements.

. Technical Parameters Deep Dive

.1 Photometric & Electrical Characteristics

The key operating parameters are defined at a standard test current of 20mA. The typical luminous intensity is 1800 millicandelas (mcd), with a minimum guaranteed value of 1400 mcd and a maximum up to 3550 mcd depending on the production bin. The forward voltage (V_F) typically measures 3.1V, ranging from a minimum of 2.5V to a maximum of 3.75V. This parameter is crucial for calculating current-limiting resistor values in circuit design.

The device features a very wide viewing angle of 120 degrees, defined as the full angle where luminous intensity drops to half of its peak axial value. This ensures uniform light distribution, which is essential for panel and switch illumination.

.2 Absolute Maximum Ratings

These ratings define the stress limits beyond which permanent damage may occur. The absolute maximum continuous forward current is 30 mA. The device can withstand short current surges up to 250 mA for pulses \u2264 10 \u00b5s with a very low duty cycle (0.005). The junction temperature must not exceed 125\u00b0C. The operating and storage temperature range is specified from -40\u00b0C to +110\u00b0C, confirming its automotive-grade robustness. Electrostatic discharge (ESD) protection is rated at 8 kV (Human Body Model).

.3 Thermal Characteristics

Thermal management is critical for LED longevity and performance stability. The thermal resistance from the junction to the solder point is specified in two ways: a real thermal resistance (R_{th JS real}) of 130 K/W and an electrical thermal resistance (R_{th JS el}) of 100 K/W. This parameter indicates how effectively heat is conducted away from the semiconductor junction. Proper PCB layout with adequate thermal relief is necessary to maintain the solder pad temperature within safe limits, as shown in the derating curve.

. Performance Curve Analysis

.1 Forward Current vs. Voltage (I-V Curve)

The provided graph shows the relationship between forward current and forward voltage at 25\u00b0C. The curve is non-linear, typical of a diode. At the nominal 20mA, the voltage is centered around 3.1V. Designers must use this curve to ensure the driver circuit provides stable current, not voltage, to achieve consistent light output.

.2 Optical Output vs. Current and Temperature

The relative luminous intensity increases with forward current but exhibits a sub-linear relationship, emphasizing the need for current control. More importantly, the graph showing relative luminous intensity vs. junction temperature demonstrates a negative temperature coefficient. As the junction temperature rises, the light output decreases. At the maximum junction temperature of 125\u00b0C, the output may be only around 40-50% of its value at 25\u00b0C. This thermal quenching effect must be accounted for in thermal design.

.3 Chromaticity Stability

Graphs depict the shift in CIE x and y coordinates with both forward current and junction temperature. While shifts are present, they are relatively small (\u00b1~0.01 for temperature, less for current), indicating good color stability under varying operating conditions, which is vital for applications where color consistency is important.

.4 Spectral Distribution and Radiation Pattern

The relative spectral distribution curve shows a peak in the blue wavelength region, characteristic of a phosphor-converted white LED, with a broad secondary peak in the yellow/green region from the phosphor. The radiation pattern diagram confirms the Lambertian-like emission profile, resulting in the wide 120\u00b0 viewing angle.

. Binning System Explanation

The product is available in sorted performance groups, or "bins," to ensure consistency within a production lot.

.1 Luminous Intensity Binning

A comprehensive binning structure is defined, ranging from low-output bins (e.g., L1: 11.2-14 mcd) to very high-output bins (e.g., GA: 18000-22400 mcd). For this specific part number (67-11-C70200H-AM), the highlighted standard output bin is "AB," which corresponds to a luminous intensity range of 1400 to 1800 mcd. This allows designers to select the appropriate brightness grade for their application.

.2 Color Binning

The datasheet references a "Standard White Color Bin Structure" diagram (not fully detailed in the provided excerpt). Typically, such diagrams plot the CIE x and y coordinates within a defined quadrilateral or region on the chromaticity chart. LEDs are sorted into bins based on where their color coordinates fall within this region, ensuring a tight color tolerance, typically within \u00b10.005 as noted in the characteristics section.

. Mechanical & Packaging Information

.1 Physical Dimensions

The component uses a standard PLCC-2 surface-mount package. The mechanical drawing (referenced in the contents) would specify the exact length, width, height, lead spacing, and tolerances. This information is critical for PCB footprint design and ensuring proper fit within the assembly.

.2 Recommended Solder Pad Layout

A dedicated section provides the recommended land pattern (solder pad geometry) for the PCB. Following this guideline is essential for achieving reliable solder joints, proper self-alignment during reflow, and effective heat transfer from the device to the PCB.

.3 Polarity Identification

PLCC-2 packages typically have a marked corner or a chamfer to indicate the cathode (negative) pin. Correct polarity orientation is mandatory during placement to ensure the device functions.

. Soldering & Assembly Guidelines

.1 Reflow Soldering Profile

The datasheet specifies a maximum soldering temperature of 260\u00b0C for 30 seconds. This refers to the peak temperature measured at the solder joints during a standard reflow process. A typical reflow profile with preheat, soak, reflow, and cooling stages should be followed, ensuring the temperature at the component leads does not exceed this limit to prevent damage to the plastic package or the internal die attach.

.2 Precautions for Use

General handling precautions include using ESD-safe practices during assembly, avoiding mechanical stress on the lens, and preventing contamination of the optical surface. The device is not designed for reverse voltage operation.

.3 Storage Conditions

The storage temperature range is -40\u00b0C to +110\u00b0C. Furthermore, the Moisture Sensitivity Level (MSL) is rated as Level 2. This means the component can be stored in a dry environment (typically<% Relative Humidity) for up to one year. If the moisture barrier bag is opened or exceeded, the parts must be baked before reflow soldering to prevent "popcorning" (package cracking due to vapor pressure).

. Application Recommendations

.1 Typical Application Circuits

The most common drive method is a constant current source or a simple series resistor from a voltage rail. The resistor value is calculated as R = (V_supply- V_F) / I_F. Using the typical V_Fof 3.1V and a 20mA target, with a 5V supply, the resistor would be (5V - 3.1V) / 0.02A = 95 Ohms. A resistor rated for at least (5V-3.1V)*0.02A = 0.038W should be selected, with a higher wattage (e.g., 1/8W or 1/4W) for safety margin.

.2 Design Considerations

Thermal Management:Use the forward current derating curve. For continuous operation at high ambient temperatures, the current must be reduced to keep the solder point temperature below 110\u00b0C (where max current is 30mA). Adequate copper area under and around the solder pads is necessary to dissipate heat.
Current Control:Always drive LEDs with a controlled current, not a fixed voltage, to ensure stable light output and prevent thermal runaway.
Optical Design:The wide 120\u00b0 beam is suitable for diffuse lighting. For focused light, secondary optics (lenses) would be required.
ESD Protection:While the device has 8kV HBM protection, incorporating additional transient voltage suppression on sensitive lines in automotive environments is good practice.

. Technical Comparison & Differentiation

Compared to generic PLCC-2 LEDs, this device's key differentiators are itsAEC-Q102 qualificationand extendedoperating temperature range (-40\u00b0C to +110\u00b0C). These are not typical for commercial-grade LEDs and are essential for automotive certification. The specified ESD rating (8kV) is also higher than many standard parts. The detailed binning structure provides manufacturers with predictable performance, which is critical for mass production where consistency is paramount.

. Frequently Asked Questions (FAQs)

Q: What is the difference between "Typical" and "Maximum" ratings?

A: "Typical" is the expected average value under standard conditions. "Maximum" (or "Min") are the guaranteed limits; all devices will perform within these bounds as per the datasheet specification.

Q: Can I drive this LED at 30mA continuously?

A: Only if the solder pad temperature (T_S) can be maintained at or below 110\u00b0C, as per the derating curve. At higher temperatures, the current must be reduced. For reliable long-term operation, driving at or below the typical 20mA is recommended.

Q: The color coordinates are (0.3, 0.3). Is this a pure white?

A: On the CIE 1931 chromaticity diagram, the point (0.33, 0.33) is often considered the "equal energy" white point. Coordinates of (0.3, 0.3) indicate a cool white with a slight shift towards blue/green, which is a common and desirable tone for display backlighting.

Q: What does MSL 2 mean for my production process?

A: MSL 2 components have a floor life of 1 year when stored at \u2264 30\u00b0C/60% RH. After the bag is opened, they should be used within a specified time (e.g., 168 hours) or baked before reflow to remove absorbed moisture.

. Operating Principle

This is a phosphor-converted white LED. The core semiconductor chip emits blue light when current flows across its p-n junction (electroluminescence). This blue light strikes a layer of yellow (or yellow and red) phosphor material deposited on or near the chip. The phosphor absorbs a portion of the blue photons and re-emits light at longer, yellow/red wavelengths. The combination of the remaining blue light and the converted yellow/red light is perceived by the human eye as white light. The exact shade (cool white, neutral white, warm white) is determined by the blend and composition of the phosphors.

. Industry Trends

The automotive lighting market continues to demand higher efficiency (more lumens per watt), improved color rendering index (CRI) for better visual clarity, and greater reliability. Integration of LEDs with driver ICs and sensors into smart lighting modules is a growing trend. Furthermore, there is a push towards standardized, smaller package footprints with higher power density, although PLCC packages remain popular for their cost-effectiveness and proven reliability in mid-power applications like interior lighting.

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.