Teburin Abubuwan Ciki
- 1. Bayyani Game da Samfur
- . In-Depth Technical Parameter Analysis
- .1 Photometric and Electrical Characteristics
- .2 Thermal and Reliability Parameters
- . Absolute Maximum Ratings
- . Performance Curve Analysis
- .1 Spectral and Radiation Characteristics
- .2 Electrical and Optical vs. Current
- .3 Temperature Dependence
- .4 Derating and Pulsed Operation
- . Binning System Explanation
- .1 Luminous Intensity Binning
- .2 Color Binning
- . Mechanical, Packaging & Assembly Information
- .1 Mechanical Dimensions
- .2 Recommended Soldering Pad & Polarity
- .3 Reflow Soldering Profile
- .4 Packaging Information
- . Application Guidelines & Design Considerations
- .1 Typical Application Scenarios
- .2 Critical Design Considerations
- . Compliance and Environmental Standards
- . Ordering and Part Number Information
- . FAQ Based on Technical Parameters
1. Bayyani Game da Samfur
Wannan takarda ta bayyana cikakkun bayanai 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 core advantages of this LED include its high typical luminous intensity of 3200 millicandelas (mcd) at a standard drive current of 30mA, combined with a very wide 120-degree viewing angle. This makes it highly effective for backlighting and indicator applications where visibility from multiple angles is required. A key differentiator is its qualification to the AEC-Q102 standard, which is the stress test qualification for discrete optoelectronic semiconductors in automotive applications. This certification involves rigorous testing for thermal shock, humidity resistance, high-temperature operating life, and other conditions, ensuring long-term reliability under the harsh conditions found in vehicles.
The target market is primarily automotive interior lighting, including applications such as backlighting for switches, instrument clusters, infotainment controls, and other interior panels. Its form factor and optical characteristics are also suitable for various consumer and industrial electronics requiring a reliable, side-emitting light source.
. In-Depth Technical Parameter Analysis
.1 Photometric and Electrical Characteristics
The electrical and optical performance is defined under standard test conditions, typically at a junction temperature (Tj) of 25°C and a forward current (IF) of 30mA.
- Forward Current (IF):The device has a wide operating range from a minimum of 6mA up to an absolute maximum of 60mA. The typical operating point is 30mA, which delivers the specified luminous intensity. Operating below 6mA is not recommended.
- Luminous Intensity (IV):The light output is specified with a minimum of 2240 mcd, a typical value of 3200 mcd, and a maximum of 4500 mcd at IF=30mA. The measurement tolerance for luminous flux is ±11%.
- Forward Voltage (VF):At 30mA, the voltage drop across the LED typically measures 2.9V, with a range from 2.75V (Min) to 3.75V (Max). The forward voltage measurement tolerance is ±0.05V. The specified range represents 99% of production output.
- Viewing Angle (φ):Defined as the off-axis angle where luminous intensity drops to half of its peak value, this LED offers a full viewing angle of 120 degrees, with a tolerance of ±5°.
- Chromaticity Coordinates (CIE x, y):The typical color coordinates for this Cool White LED are (0.29, 0.29). The tolerance for these coordinates is ±0.005, ensuring consistent color output across units.
.2 Thermal and Reliability Parameters
- Thermal Resistance:Two values are provided. The real thermal resistance from the junction to the solder point (Rth JS real) is a maximum of 180 K/W. The electrical thermal resistance (Rth JS el), derived from electrical measurements, is a maximum of 100 K/W. Proper thermal management is crucial to maintain performance and longevity.
- Junction Temperature (Tj):The maximum allowable junction temperature is 125°C.
- Operating & Storage Temperature:The device is rated for operation and storage within a temperature range of -40°C to +110°C.
- Electrostatic Discharge (ESD) Sensitivity:The Human Body Model (HBM) ESD rating is 8 kV (R=1.5kΩ, C=100pF), providing good handling robustness.
- Sulfur Robustness:The LED meets Class B1 criteria for sulfur resistance, which is important for applications in environments with atmospheric sulfur contamination.
. Absolute Maximum Ratings
Exceeding these limits may cause permanent damage to the device.
- Power Dissipation (Pd): mW
- Forward Current (IF): mA (Continuous)
- Surge Current (IFM): mA (t ≤ 10 μs, Duty Cycle=0.005, Ts=25°C)
- Reverse Voltage (VR):This device is not designed for reverse operation. Applying a reverse voltage can cause immediate failure.
- Soldering Temperature:The package can withstand a reflow soldering profile with a peak temperature of 260°C for up to 30 seconds.
. Performance Curve Analysis
The datasheet provides several graphs detailing performance under varying conditions.
.1 Spectral and Radiation Characteristics
TheRelative Spectral Distributiongraph shows the emission spectrum of the Cool White LED, which is a broad curve peaking in the blue region and extending through the visible spectrum, typical for a phosphor-converted white LED. TheTypical Diagram Characteristics of Radiationillustrates the spatial intensity distribution, confirming the 120° viewing angle pattern.
.2 Electrical and Optical vs. Current
TheForward Current vs. Forward Voltage (IV Curve)graph shows the exponential relationship, essential for designing current-limiting circuitry. TheRelative Luminous Intensity vs. Forward Currentgraph demonstrates that light output increases sub-linearly with current, emphasizing the importance of stable current drive for consistent brightness.
.3 Temperature Dependence
TheRelative Luminous Intensity vs. Junction Temperaturegraph shows a negative temperature coefficient; light output decreases as the junction temperature increases. Effective heat sinking is vital to maintain brightness. TheRelative Forward Voltage vs. Junction Temperaturegraph shows a negative temperature coefficient for VF, which can be used for junction temperature monitoring in some applications. TheChromaticity Coordinates Shift vs. Junction Temperaturegraph indicates minimal color shift with temperature, which is desirable for consistent appearance.
.4 Derating and Pulsed Operation
TheForward Current Derating Curveis critical for thermal design. It shows the maximum permissible continuous forward current as a function of the solder pad temperature (Ts). For example, at Ts=110°C, the maximum current is derated to 23mA. ThePermissible Pulse Handling Capabilitygraph defines the peak pulse current (IFP) allowable for a given pulse width (tp) and duty cycle (D), useful for multiplexing or strobe applications.
. Binning System Explanation
To manage production variations, LEDs are sorted into bins based on key parameters.
.1 Luminous Intensity Binning
The datasheet provides an extensive binning table for luminous intensity, ranging from very low output (L1, 11.2-14 mcd) to very high output (GA, 18000-22400 mcd). For this specific part number (57-11-C70300H-AM), the possible output bins are highlighted, corresponding to the min/typ/max values stated in the characteristics table (2240-4500 mcd). This corresponds to bins in the BA to CB range.
.2 Color Binning
A standard white color bin structure chart and a specific Cool White color bin coordinates table are included. The bins (e.g., FK0, GK0, HK0, IK0, FL0, GL0) define small quadrilaterals on the CIE 1931 chromaticity diagram. The typical coordinates (0.29, 0.29) fall within one of these predefined bins, ensuring the purchased LEDs have a consistent white color point within a specified tolerance.
. Mechanical, Packaging & Assembly Information
.1 Mechanical Dimensions
The datasheet includes a detailed mechanical drawing (Section 7) specifying the exact physical dimensions of the PLCC-2 package, including length, width, height, lead spacing, and tolerances. This is essential for PCB footprint design and ensuring proper fit within the assembly.
.2 Recommended Soldering Pad & Polarity
Section 8 provides a recommended PCB land pattern (solder pad layout) to ensure reliable soldering and proper alignment. The polarity is indicated by the package shape and/or a marking on the component; the cathode is typically identified.
.3 Reflow Soldering Profile
Section 9 defines the recommended reflow soldering temperature profile. Adherence to this profile (preheat, soak, reflow peak of 260°C max, cooling) is necessary to prevent thermal damage to the LED package and internal die while achieving a reliable solder joint.
.4 Packaging Information
Details on how the LEDs are supplied are found in Section 10. This typically includes reel packaging specifications (tape width, pocket spacing, reel diameter) compatible with automated pick-and-place assembly equipment.
. Application Guidelines & Design Considerations
.1 Typical Application Scenarios
- Automotive Interior Lighting:Backlighting for power window switches, climate control panels, steering wheel controls, and dashboard indicators.
- Consumer Electronics:Side-illumination for buttons on remote controls, gaming peripherals, or audio equipment.
- Industrial Panels:Status indicators on control panels where a wide viewing angle is beneficial.
.2 Critical Design Considerations
- Current Drive:Always use a constant current driver or a current-limiting resistor in series with a voltage source. Do not connect directly to a voltage source. Operate at or below the recommended 30mA for optimal lifetime.
- Thermal Management:The maximum junction temperature must not be exceeded. Use sufficient copper area on the PCB under and around the LED's thermal pad to act as a heat sink. Refer to the derating curve.
- ESD Precautions:Standard ESD handling procedures should be followed during assembly, as specified in the precautions section (Section 11).
- Sulfur Environment:For applications in environments with high sulfur content (e.g., certain industrial or geographical areas), the Class B1 sulfur robustness rating should be verified as sufficient for the application's lifetime requirements.
. Compliance and Environmental Standards
This product is compliant with several important industry and environmental standards:
- RoHS (Restriction of Hazardous Substances):Compliant, meaning it contains restricted substances like lead, mercury, and cadmium below defined thresholds.
- REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals):Compliant with the EU REACH regulation.
- Halogen-Free:Compliant with halogen-free requirements (Bromine <900 ppm, Chlorine <900 ppm, Br+Cl < 1500 ppm).
- AEC-Q102:Qualified, confirming its suitability for automotive applications.
. Ordering and Part Number Information
The part number for this device is-11-C70300H-AM. Section 5 and 6 likely detail the part number structure and ordering information, which may include options for different bins, packaging quantities, or tape and reel specifications. Designers should consult the full datasheet or supplier for available variants.
. FAQ Based on Technical Parameters
Q: Can I drive this LED at 60mA continuously?
A: While the Absolute Maximum Rating is 60mA, continuous operation at this current will generate significant heat and likely exceed the maximum junction temperature unless exceptional cooling is provided. The recommended operating point is 30mA. Always consult the derating curve based on your application's solder pad temperature.
Q: What is the purpose of the two different Thermal Resistance values (Rth JS real and Rth JS el)?
A> Rth JS real is measured using a physical temperature sensor and represents the actual thermal resistance. Rth JS el is calculated from the change in forward voltage with temperature (a known characteristic of the LED junction itself) and is often easier to measure in practice. For worst-case thermal design, the higher value (180 K/W) should be used.
Q: The viewing angle is 120°. Does this mean light is emitted evenly across this cone?
A: No. The viewing angle is defined where intensity falls to 50% of the peak value. The radiation pattern graph shows the actual distribution, which is typically a Lambertian or side-emission pattern where intensity is highest at the center (0°) and decreases towards the edges.
Q: Is a reverse protection diode necessary?
A: Yes. The datasheet explicitly states the device is "Not designed for reverse operation."> Applying any significant reverse voltage will damage it. If there is any possibility of reverse voltage in the circuit (e.g., from inductive loads, incorrect power connection), an external blocking diode in series or a shunt diode across the LED is mandatory.
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. |