The 2835 SMD (Surface-Mounted Device) LED package has become a staple in modern lighting solutions due to its compact size and high luminous efficacy. Measuring 2.8mm x 3.5mm, these LEDs are widely used in applications ranging from residential lighting to commercial displays. This article delves into some of the brightest 2835 SMD LEDs available, comparing their luminous efficacy, measured in lumens per watt (lm/W), to help you make informed decisions for your lighting projects.
1. Samsung's LM281B+ Pro stands out with a luminous efficacy reaching up to 213 lm/W. This 0.5W LED chip offers a luminous flux between 53–70 lumens, depending on the color temperature, which ranges from 3000K to 6500K. Its high efficacy makes it suitable for applications requiring energy efficiency and high brightness, such as LED strips and general lighting.
2. Moonleds Super High Efficacy 2835 – Up to 220 lm/W
Moonleds offers 2835 SMD LEDs with luminous efficacy ranging from 200 to 220 lm/W. Available in 0.2W and 0.5W variants, these LEDs come with various voltage options (3V, 6V, 9V, 18V, 36V) and color temperatures between 2300K and 25000K. Their versatility and high performance make them ideal for a wide range of lighting applications, including indoor lighting, commercial displays, and automotive lighting.
3. Lumileds LUXEON 2835 HE – Over 200 lm/W
Lumileds' LUXEON 2835 HE achieves a luminous efficacy exceeding 200 lm/W. At a drive current of 65 mA, it delivers 36 lumens, and at 480 mA, it provides 220 lumens. This LED is designed for applications where fixture efficacy greater than 150 lm/W is essential, such as troffers, downlights, and lamps. Its 2-step MacAdam ellipse color consistency ensures uniform lighting quality.
4. LEDChip KLSL2835W – 145 lm/W
LEDChip's KLSL2835W offers a luminous efficacy of 145 lm/W at 1W power consumption. This LED is designed with an improved heat dissipation mechanism, making it suitable for applications like street lights, tube lights, and floodlights. Its cost-effectiveness and compliance with LM80 testing standards make it a reliable choice for various lighting needs.
5. Mag-LED Flora-POD – 140 lm/W
Mag-LED's Flora-POD utilizes 2835 SMD LEDs to achieve a luminous efficacy of 140 lm/W. Available in 54W and 60W models, these retrofit lamps are designed for outdoor lighting applications, offering features like IP65 waterproof rating and a lifespan of 50,000 hours. They are ideal for upgrading traditional lighting fixtures to energy-efficient LED solutions.
When selecting 2835 SMD LEDs for lighting projects, considering luminous efficacy is crucial for energy efficiency and performance. Samsung's LM281B+ Pro and Moonleds' Super High Efficacy series lead the market with efficacies exceeding 210 lm/W, making them ideal for applications where high brightness and energy savings are paramount. Lumileds' LUXEON 2835 HE offers a balance between performance and color consistency, suitable for professional lighting setups. For cost-effective solutions, LEDChip's KLSL2835W and Mag-LED's Flora-POD provide reliable performance with respectable efficacy ratings.
