SMD 5050 High-Power LED Datasheet - Size 5.0x5.0mm - Max Voltage 6.0V - Power 6.3W - White Light Technical Documentation

1. Product Overview

The 5050 package represents a lighting-grade, high-power LED solution designed for demanding lighting applications. It is a compact surface-mount device (SMD) that delivers high luminous flux and high efficiency within a small package size. Its primary design goal is to provide a reliable and powerful light source suitable for various professional and general lighting applications requiring stable, bright white light.

1.1 Fa'idodi na asali

The key advantages of this LED series include its high luminous intensity output, enabling excellent optical performance. It features a typical wide viewing angle of 120 degrees, providing broad and uniform illumination. The product is manufactured lead-free (Pb-free), complies with EU REACH regulations, and meets halogen-free requirements. Specifically, bromine (Br) content is below 900 ppm, chlorine (Cl) content is below 900 ppm, and their combined total is below 1500 ppm. This makes it suitable for environmentally conscious designs and applications with strict material restrictions.

1.2 Kasuwa da aikace-aikace da aka yi niyya

This LED is designed for versatile lighting applications. Its primary markets include decorative and entertainment lighting, which demand high color quality and brightness. It is also suitable for agricultural lighting, supporting plant growth spectra when combined with appropriate phosphors. General lighting is its main application area, covering both indoor and outdoor illumination. Specifically, it targets public lighting infrastructure such as street lights, high-bay lights for industrial or commercial spaces, and stadium lights, where high output and reliability are critical.

2. Bincike mai zurfi na sigogi na fasaha

This section provides a detailed and objective interpretation of the key technical parameters that define the LED's performance and operational limits.

2.1 Matsakaicin iyaka na cikakke

These ratings define the stress limits that may cause permanent damage to the device. It is not recommended to operate at or near these limits for extended periods. Absolute maximum ratings are specified at a solder point temperature (T_soldering) of 25°C.

• Forward Current (I_F):1050 mA (DC). This is the maximum continuous current that can be applied.
• Power Dissipation (P_d):6300 mW (6.3 W). This is the maximum power the package can dissipate.
• Pulse Forward Current (I_PF):2000 mA. Wannan mafi girma na yanzu kawai an yarda a cikin yanayin bugun jini, ba za a iya ci gaba da aiki ba.
• Yanayin aiki (T_Aiki):-35°C zuwa +105°C. Wannan shine kewayon yanayin muhalli da aka tabbatar don aiki mai dogaro.
• Yanayin ajiya (T_Ajiya):-35°C zuwa +105°C. Wannan shine kewayon zafin jiki mai aminci lokacin da na'urar ba ta kunna wuta ba.
• Juriyar zafi (R_{th J-S}):2.5 °C/W (junction to solder point). A lower value indicates better thermal transfer performance from the LED chip (junction) to the circuit board. Effective thermal management is crucial to ensure the junction temperature does not exceed its limit.
• Junction Temperature (T_j):125 °C (maximum). The temperature of the semiconductor chip itself must not exceed this limit to ensure lifespan and performance.
• ESD Sensitivity:2000 V (Human Body Model). This device is sensitive to electrostatic discharge and requires proper handling procedures.
• Soldering Temperature:For reflow soldering, the peak temperature is 260°C for 10 seconds. For hand soldering, the limit is 350°C for 3 seconds.

2.2 Electro-Optical Characteristics

These characteristics define the typical performance of the LED under normal operating conditions, measured at T_soldering= 25°C, with a forward current (I_F) of 180mA.

• Luminous Flux (Φ):Ranges from a minimum of 160 lumens to a maximum of 255 lumens, depending on the product binning (see Section 3). Typical tolerance is ±11%.
• Forward Voltage (V_F):Maximum 6.0 V at 180mA. Typical tolerance is ±0.1V. The actual V_Fvaries depending on binning and individual units.
• Color Rendering Index (CRI or R_a):Minimum 70 for the standard series, with a tolerance of ±2. Options with higher CRI are available (see Section 3.1).
• Perspective (2θ_1/2):The typical value is 120 degrees. This is the full angle at which the light intensity is half of the peak value.
• Reverse Current (I_R):At a Reverse Voltage (V_R) of 5V, the maximum is 10 µA.

3. Bin System Description

To ensure color and brightness consistency in production, LEDs are sorted into different bins based on key parameters. This allows designers to select devices that meet the requirements of specific applications.

3.1 Color Rendering Index (CRI) Binning

CRI indicates how naturally a light source renders colors compared to a reference source. The single-letter symbol in the part number denotes the minimum CRI. For example, 'L' corresponds to a minimum CRI of 70, 'K' to 80, and 'H' or 'R' to 90. The 'R' bin has an additional requirement: a minimum R9 value (saturated red) of 50, which is crucial for high-quality lighting. The tolerance for CRI is ±2.

3.2 Forward Current Index

The symbol 'Z18' in the part number indicates the nominal forward current used for testing and specifying parameters, which is 180mA (I_F= 180mA).

3.3 Forward Voltage Exponent

The symbol '60' denotes the maximum forward voltage for this group, which is 6.0V.

3.4 Luminous Flux Binning

Ana rarraba LED bisa ga mafi ƙarancin fitar da haske (luminous flux) a ƙarƙashin 180mA. Lambar bin, kamar '160L15' ko '230L15', tana ƙayyadadden kewayon flux. Misali, '230L15' yana nufin mafi ƙarancin flux na lumens 230, kuma faɗin bin shine lumens 15 (don haka kewayon ya zama 230-245 lumens). Gabaɗaya ƙimar rashin daidaituwa (tolerance) na flux shine ±11%.

3.5 Forward Voltage Binning

Ana kuma rarraba ƙarfin lantarki (voltage) don taimakawa wajen ƙira mai turawa (driver design) da daidaita igiyar lantarki (current matching) a cikin jeri (array). Ana bayyana rukunin ta lamba mai lambobi biyu, kamar '52B', inda '52' ke nufin mafi ƙarancin ƙarfin lantarki (5.2V), kuma 'B' alamar rarrabuwa ce. Kewayon '52B' shine daga 5.2V zuwa 5.4V. Sauran rukunoni sun haɗa da '54B' (5.4-5.6V), '56B' (5.6-5.8V), da '58B' (5.8-6.0V). Ƙimar rashin daidaituwa (tolerance) ita ce ±0.1V.

3.6 Chromaticity Coordinates (Color Temperature) Binning

Ana sarrafa Haɗin Zafin Launi (Correlated Color Temperature - CCT) ta hanyar rarraba ma'auni na launi (chromaticity coordinates) (x, y) akan taswirar launi ta CIE 1931. Takaddun bayanan samfur (datasheet) yana ba da cikakkun akwatunan ma'auni na CCT daban-daban, kamar 1800K, 2200K, da 2700K (warm white), da sauransu har zuwa 6500K (cool white). Kowane CCT yana da ƙananan rukunoni da yawa (misali, 18K-A, 18K-B), don tabbatar da madaidaicin daidaiton launi. Misali, kewayon tunani na bin 1800K yana tsakanin 1765K zuwa 1960K, ya danganta da zaɓin ƙananan bin.

4. Mass Production List and Part Number Decoding

Imetoa orodha ya bidhaa za kiwango cha uzalishaji. Kwa mfano, nambari ya sehemuXI5050EE/LKE-H5023060Z18/2NInaweza kusimbwa kama ifuatavyo:

• XI5050EE/LKE:Msururu wa msingi wa bidhaa (5050 SMD LED yenye nguvu kubwa).
• H:Kiambishi awali cha msimbo wa utendaji.
• 50:Correlated Color Temperature (CCT) code, representing 5000K.
• 230:Minimum luminous flux code, representing 230 lumens.
• 60:Forward Voltage Index (maximum 6.0V).
• Z18:Forward Current Index (180mA).
• /2N:Packaging or reel specification.

Therefore, this specific model is a 5000K (neutral white) LED with a minimum luminous flux of 230 lumens, a maximum forward voltage of 6.0V at 180mA, and a CRI of at least 70 (implied by the standard series). The mass production table lists variants from 1800K to 6500K and their corresponding minimum and typical flux values at different test currents (180mA, 640mA, 750mA).

5. Application Design Considerations

5.1 Thermal Management

Considering the power dissipation of up to 6.3W and the critical junction temperature limit of 125°C, effective thermal management is the most important design aspect. The low thermal resistance of 2.5 °C/W from junction to solder point is advantageous, but this requires a well-designed PCB with sufficient thermal vias and typically connection to a heatsink. The maximum operating ambient temperature is 105°C, but at high ambient temperatures, the practically achievable current and brightness are reduced due to thermal derating.

5.2 Electrical Drive

A constant current driver is essential for reliable operation. The driver should be selected based on the required operating current (maximum continuous current 1050 mA) and the forward voltage bin of the LEDs used. For series connection, the total Vf of the entire series string must be considered._FThe device is sensitive to reverse voltage, with a maximum reverse voltage of 5V before significant leakage current occurs; the circuit should prevent reverse bias.

5.3 ESD and Operation

An ESD sensitivity rating of 2000V (HBM) requires standard ESD precautions during handling, assembly, and installation. Use grounded workstations, wrist straps, and conductive containers.

5.4 Welding Process

Strictly adhere to the soldering profile: reflow peak temperature 260°C for a duration not exceeding 10 seconds. Avoid prolonged time above the liquidus temperature. For repair, hand soldering at 350°C should be limited to 3 seconds per pad. These limits prevent damage to internal die attach, wire bonds, and plastic package.

6. Performance Analysis and Trends

6.1 Luminous Efficacy

Although not explicitly stated in lumens per watt (lm/W), luminous efficacy can be calculated from the data. For the 5000K model with a minimum flux of 230 lumens, at 180mA and a typical V_Fpossibly 5.6V (power = 1.008W), the minimum luminous efficacy is approximately 228 lm/W. At a higher current such as 750mA, the typical flux is 835 lumens. Assuming at this current V_Fis higher (e.g., 6.2V, power = 4.65W), the typical luminous efficacy is about 180 lm/W. This demonstrates the high-efficiency characteristics of this lighting-class LED, although efficacy decreases at higher currents due to increased thermal and electrical losses.

6.2 Color Quality and Consistency

提供高达90（且R9 > 50）的CRI选项以及严格的色品分档，反映了专业应用中对高质量白光的需求。每个CCT的多档位结构使制造商能够提供批次间颜色匹配度极高的产品，适用于建筑或零售照明等对批次一致性要求苛刻的应用。

6.3 Application-Specific Optimization

The wide CCT range (1800K-6500K) allows designers to tailor light for specific environments: warm white (1800K-3000K) is suitable for cozy or decorative settings, neutral white (3500K-5000K) for general and office lighting, and cool white (5700K-6500K) for task lighting or simulating daylight. The high luminous flux output makes it suitable for replacing traditional light sources in retrofit projects or designing new, highly efficient luminaires.

7. Frequently Asked Questions (Based on Technical Specifications)

Q: What is the main advantage of the 5050 package size?
A: The 5.0mm x 5.0mm package size offers an excellent balance between high light output (from a relatively large emitting area) and PCB space efficiency. It allows for good thermal management while maintaining a compact form factor, making it suitable for many luminaire designs.

Q: Can I operate this LED continuously at its maximum current of 1050mA?
A: While technically possible, continuous operation at the absolute maximum rating is not recommended for reliable long-term performance. The practical maximum operating current will be lower and is determined by the system's thermal design (PCB, heatsink, ambient temperature) to ensure the junction temperature (T_j) remains safely below 125°C. Derating curves (though not provided in this summary) are crucial for such design considerations.

Q: How do I choose the correct CRI bin?
答：对于色彩表现至关重要的应用（例如零售、博物馆、美术馆、高端住宅），选择高CRI档位（80、85、90）。'R'档位（CRI 90，R9>50）特别适合还原红色调。对于成本是更大考虑因素的一般或实用照明，标准的CRI 70档位通常就足够了。

Q: Why is the viewing angle 120 degrees?
A: A wide viewing angle is ideal for many general lighting applications as it provides broad, uniform illumination, reducing harsh shadows and glare. It is well-suited for area lighting, downlights, and panel lights that require a wide beam without secondary optics. For spotlighting, secondary lenses will be used to narrow the beam.

Q: What does "Halogen-Free" compliance mean for my product?
A: It means the LED materials comply with restrictions on bromine and chlorine-based flame retardants. This is important for meeting certain environmental regulations (such as IEC 61249-2-21), reducing toxic emissions in case of fire, and is often required for consumer electronics, automotive, and other eco-label certifications.