SMD LED
Your Professional SMD LED Supplier！
Shenzhen Colighting Ltd (WELCOB) was founded in Shenzhen, China in 2013 and located in Pingkui Road, Pingshan District, Shenzhen, was awarded the China National High-Tech Enterprise certification in 2021 focusing on high-end LED COB technology development, PCB circuit design and LED lighting solutions.
Why Choose Us
Rich Experience
WELCOB has 20+ years of research and development in LED package and semiconductor fields. Strives to become a world famous brand of high-end LED light source.
Advanced technology
We have common led assembly process for commercial cob and we have eutectic bonding process for ultra-high power COB (>1000W) and we have powder spraying process for multi-color COB LED and we have RFID tracing technology for LED inventory management system.
Our Certificate
WELCOB Awarded RoHS, CE, ETL Certifications, National High tech Enterprise Certification, Obtained Utility Model Patent: System-level Integrated Lighting Module.
Sales Market
Our products Export United States, Vietnam, Japan, Britain, Italy, Russia, India, Brazil, Spain, the Middle East and other countries and regions.
An SMD LED is a Surface Mount Device LED, a type of LED that is soldered directly onto the surface of a printed circuit board (PCB) instead of having leads. This allows for smaller, more complex electronic devices and offers advantages like greater brightness, higher energy efficiency, and better heat dissipation compared to traditional LEDs.
Product Specification
We offers the following product specifications:
|
Product name |
LED Chip 5 Watt |
|
Model |
2835C1243B-5W-CW |
|
Power |
5W |
|
Input Voltage |
AC220V-240V |
|
PF |
>0.9 |
|
LED chip type |
SMD2835 |
|
LED chip quantity |
12pcs |
|
Board size (circle) |
Φ43mm |
|
Board Thickness |
1.2mm |
|
Color |
Cold white |
|
CCT |
6000-6500K |
|
Color rendering index |
80 |
|
Luminous efficacy |
100 lm/W |
|
Viewing angle |
120° |
|
Base material |
Aluminum board |
|
Customized options |
Input voltage, Power, Colour, dimension, Lumens, Logo |
Advantages of SMD LED
Compact Design:
SMD LEDs are incredibly compact, allowing for high-density layouts on PCBs. This compactness is crucial in modern electronics, where space is often limited.
01
High Efficiency:
SMD LEDs are known for their high luminous efficacy, which means they produce more light per watt of power consumed compared to traditional lighting technologies. This efficiency makes them ideal for energy-saving applications.
02
Versatility:
SMD LEDs are versatile and can be used in a wide range of applications, from residential lighting to industrial systems. They are also available in various colors and can produce different light spectrums, making them suitable for specialized applications like horticulture and therapy lighting.
03
Durability:
SMD LEDs are robust and have a long lifespan, often exceeding 50,000 hours. Their solid-state nature makes them resistant to shock and vibration, which is crucial in harsh environments.
04
Thermal Management:
SMD LEDs are designed with efficient thermal management in mind. The compact design and direct mounting onto the PCB allow for better heat dissipation, which is essential for maintaining performance and longevity.
05
General and Architectural Lighting
In residential and commercial lighting, SMD LEDs are commonly used in LED bulbs, panel lights, tube lights, and ceiling fixtures due to their efficiency and long life span.
LED Strip Lights
Flexible LED strip lights utilize SMD LEDs for decorative and functional lighting in homes, retail environments, and vehicle interiors.
Consumer Electronics
SMD LEDs power backlights and status indicators in TVs, smartphones, tablets, wearables, and other electronic devices, enabling compact and energy-efficient designs.
Automotive Lighting
They are used in headlights, tail lights, daytime running lights (DRLs), and ambient cabin lighting, providing compact form factors and enhanced brightness for modern vehicle designs.
Medical and Industrial Equipment
SMD LEDs also serve in precision lighting systems for surgical tools, diagnostic machines, and industrial inspection equipment, where reliability and stability are critical.
Structure of SMD LED
Phosphor Layer:
A thin coating of phosphor material applied over the LED chip (primarily for blue chips in RGB SMD LEDs when producing white light).
Lens:
Covers the LED chip to direct and diffuse light output effectively.
Printed Circuit Board (PCB):
Serves as the foundation for the LED chip and other components, offering mechanical support and electrical connectivity. Made from laminated copper and insulating materials, it enhances safety, shock resistance, and longevity.
LED Chip:
The core of the SMD LED, containing a semiconductor layer between the anode (P-type) and cathode (N-type). Electroluminescence occurs when an electrical current passes through, producing visible light. Many SMD LEDs use FLIP-CHIP technology, which improves sealing, independent chip operation, and uniform illumination.
Bond Wire:
Connects the LED chip to the electrical circuit, ensuring stable operation.
Heat Sink:
A heat sink is a device that dissipates heat away from the LED light source. It prevents overheating and protects the light from damage. Thus, it also expands the life expectancy of any LED.
Colours and Size
SMD LED chips are characterised by a rectangular shape that varies in length and width depending on the model. Generally, however, regardless of size, SMD LEDs do not exceed 5.7 millimetres in length and 5 millimetres in width.
Our offer a wide variety of colours in different combinations: blue, red, yellow and many others. also has a white SMD LED variant, which stands for Red Green Blue and White. In the case of white SMD LEDs, a different shade of white can be seen depending on the specific source. The colour temperature of white, which can be warm, cool or neutral, depends on a number of factors, including the bin colour of a specific LED manufacturer.
Customization
We are China leader Chip on board LED custom Manufacturer, offering the full choices of LED COB products from round, square, strip, and customized to any of your requirements.
Wide range of sizes, color temperature and power.creating a fashionable energy-saving solution for all kinds of LED related fields.
We design your samples in 24 hours.
We build prototypes in 7-14 days.
We deliver in 1-2 days.
Package & Delivery
1. Package: Standard export package or Custom
2. Delivery: By air express, by sea
FAQ
As one of the leading smd led manufacturers and suppliers in China, we warmly welcome you to buy smd led for sale here from our factory. Quality products and reasonable price are available.
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