What are the differences between types of LED chip?

06 May.,2024

 

What are the differences between types of LED chip?

What does the number of an LED chip mean?

LED chips (also known as surface mounted diodes or SMDs) are all identified by a four-digit number. This code is less complicated than it looks – it simply indicates the size of the LED chip. For example, the dimensions of SMDs on 5050 LED strip lights are 5.0mm x 5.0mm.

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Which is the best LED chip?

LEDs like 3528s, 5050s, 2835s and 5630s aren’t really different types of chip at all – they’re simply different sizes. Each has its own spec: different power requirements and output brightness. The best choice depends on what’s right for your project.

You can find out more about each LED chip below.

The 3528 LED chip explained

Measuring 3.5mm x 2.8mm, the 3528 SMD is a smaller chip than the 5050 LED strip SMD. You will most often find 3528 chips on 12-volt LED strips, drawing 4.8 watts (also known as 4.8w p/m or 5w p/m LED tape) with 60 SMDs per metre.

These strip lights output around 330-360 lumens per metre, depending on colour (equivalent to a 40w halogen) – enough to produce a smooth, bright effect when shining onto any surface.


InStyle offer red, green, blue, amber, and both warm and cool white 3528 SMDs as standard colours. (We can also supply other white colour temperatures, made to order.)

3528 60 SMD p/m LED strip lights are typically used for feature lighting – such as plinth or coving lights, in homes, bars, restaurants, hotels and other locations.

Though less common than standard 60 SMDs p/m LED tape, 3528 SMDs are also used on LED strip lights with 120 chips per metre. Pulling 9.6 watts (known as 9.6w p/m or 10w p/m LED tape), these tapes are available in the same range of colours. Light output is exactly double that of 60 SMDs p/m tape – they have twice as many LEDs – so that’s around 660-720 lumens per metre, depending on colour.

3528 120 SMD p/m LED strips are used for the same kind of feature-lighting applications as its standard alternative. We recommend them for locations with strong ambient light, where more brightness is needed than the 4.8w p/m can produce.

The cut points for our 60 SMD-per-metre 3528 LED strips are 50mm apart. The 120 SMD p/m strips have cut points at 25mm intervals. Both types are also available in waterproofed versions (IP67-rated).

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What is the difference between 3528 LEDs and 5050 LEDs

Comparison between 3528 LEDs and 5050 LEDs: What are SMD 3528 and SMD 5050 LEDs?

Here's an easy-to-understand comparison between LED chip numbers and sizes.

The different numbers correlate to the different physical dimensions of the chip. The numbers 5050, 3528, 2835, etc correlate to the size of the chip in millimeters. Some LEDs are brighter than others and some give off more light per watt.

 

The LED chip you will need will depend on your project. Read below for more information.

Before you start, are you new to LEDs? A few resources:

LED Strip Light Product Selector Tool - Find the perfect strip light for your project. 

What are LED strip lights and what can they do?

LED Strip Light Examples and Ideas

Showdown: The Difference Between LED 3528 vs 5050

LED strip lighting can be manufactured with a variety of LED chips. The numbers you see such as 3528 and 5050 refer to the size of the chip. The older style strips that have been popular for a few years now are the sizes seen above. Currently, there are even smaller and more efficient LED chips on the market with the sizes of 2835, 3014, 5630, and 3020. Each have benefits when used properly. No "one" chip can rule them all. 

So, what is the difference between SMD 5050 and 3528 LEDs and why should you care?

 

SMD 5050 LED Flex Strip light

Simply put, these LED chips are called SMD 5050 because the dimensions of the chips are 5.0mm x 5.0mm. They have 3 LED diodes in one housing (sometimes called tri-chips), and are a lot brighter than individual 3528 LED chips.

These are examples of 5050 LED light strips:


They are used when you need slight illumination for your project area and especially RGB color changing lights. Theoretically, comparing the same number of chips, SMD 5050 LEDs can offer a light output 3 times that of the 3528 strips, and therefore the 5050 LED is well suited for lighting up areas that may be subject to high levels of ambient light. However, since they are larger in size, there are only so many you can fit onto the PCB. There are some brightness restraints when using the 5050s in this way.

Though they produce more heat than smaller chips, it is still drastically lower than other lighting options. These types of LEDs require a thicker PCB to draw the heat away form the chips.

The 5050's are different from the 3528 LEDs in that 5050s can combine the three different chips to inside the housing to create millions of color variations.

While the 5050 chip can be used in single color applications, we have found the 5050 LEDs to be better for the RGB and the 3528 SMD LEDs in high density better for single color applications.

  

SMD 3528 LED Strip light

They are called SMD3528 because the dimension of the chip is 3.5mm * 2.8mm. These LED chips (one LED per chip) are bright but not as bright as the 5050 side by side. However, when used in higher quantity can be brighter then a comparible strip of 5050s.

These lights are great for TV backlighting, color splashing walls, accent lighting for crown molding and pictures, under tables and cabinets, bars, etc.

3528 LEDs can be most cost effective, but will not be as bright when compared individually to a 5050 chip, but when there are 600 of them on a reel, they can be brighter than a 5050 strip.

Buying Tip: When comparing LED strip lighting between companies, if both competing strips are using the same chips, look at how many LED are on the strip and look for lumen output to determine brightness. 

Pay attention to how many LEDs there are per foot or meter. When searching for a bright LED strip light, make sure you compare apples to apples, as not all LED strips are made in the same way. 

Watch: YouTube Video showing how our 3528 LED strip lights come with 600 LEDs per reel Instead of 300



3528 LEDs in various lighting projects

 

 

Other sizes: 3020 LED chips and 3014 LEDs in high brightnes

s LED strip lights

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The UltraBright Series are of the Brightest LED strips in the world!

 


3020 SMD LED chips

3014 LED chips

Though 5050 and 3528 SMD LEDs were the most popular on the market for strip lights, the LED market has changed rapidly over the past few years. 

Today, there are many LED chips available that are brighter and also more efficient. The 3020 SMD LED chips in our High CRI UltraBright Series and 3014 SMD LED chips in our Architectural Ultra Bright and Design Series Ultra Bright LED strip lights are smaller and more efficient than their predecessors. Because the LED sizes are much smaller, we were able to fit many more of them onto the strip lights, thus creating blindingly bright LED strips. Our Industrial LED strip lights use a new advanced 2835 chip. 

 

 

 

So, What does all this mean?

Should I choose 5050, 3528, 3020, 3014, or some other size I have never heard about?

The size of the chip and how many chips you will need depend upon the use for which the LED strips are going to be used. We can help you design your project and select the strip and chip needed, for free!

We recommend doing an overview of your project and asking some main questions.

Start by deciding what you want/need the lighting for.

    1. View our Buying Guide

    2. What is the project? Do you want accent lighting, principal task lighting, color changing, lighting a display case, outdoor, etc?

    3. Dimmable or non dimmable capability?

    4. Which color do you want?

    5. Do you require very high CRI

    6. What brightness is needed?
    7. Do you need it waterproofed?

When purchasing LEDs, please pay attention and compare the following: 

    1. Look how many LEDs are on the reel or per foot and 

      the total lumen (brightness) of the LED strip light

    2. Pay attention to the CRI ( Color Rendering Index ) - Our CRIs range between 80 - 95.

    3. How many watts does the strip use?

    4. Are the UL or ETL safety listed?

    5. Are they dimmable?

    6. How many ounces of copper do they use in their PCB to dissipate the heat? (we use 2-4oz)

    7. What type of LED chips are used?

    8. How are the LEDs binned? (will you get the same color every time you order?) 

      *Please be hesitant to purchase if the supplier does not offer this information, as these are important specifications to know when purchasing a quality product. 

 

LED strip lighting 101: Great and informative introduction pages: 

1. What is an LED strip light and what can they do?

2. What do I need to know before I choose an LED strip light?

3. LED Strip Light Examples and Ideas

4. LED strip light product comparison chart

5. How does Flexfire LEDs manufacture the highest quality LED strip lights? 

 

Have Questions? Our design experts are waiting to assist you with any question! 

 

Contact us to discuss your requirements of smd led vs cob. Our experienced sales team can help you identify the options that best suit your needs.