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Comparison between LEDs and LEDs: What are SMD and SMD 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 , , , 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 vs

LED strip lighting can be manufactured with a variety of LED chips. The numbers you see such as and 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 , , , and . Each have benefits when used properly. No "one" chip can rule them all. 

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

SMD LED Flex Strip light

Simply put, these LED chips are called SMD 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 LED chips.

These are examples of 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 LEDs can offer a light output 3 times that of the strips, and therefore the 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 s 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 's are different from the  LEDs in that s can combine the three different chips to inside the housing to create millions of color variations.

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

SMD LED Strip light

They are called SMD 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 side by side. However, when used in higher quantity can be brighter then a comparible strip of s.

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

LEDs can be most cost effective, but will not be as bright when compared individually to a chip, but when there are 600 of them on a reel, they can be brighter than a 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 LED strip lights come with 600 LEDs per reel Instead of 300

LEDs in various lighting projects

Other sizes: LED chips and LEDs in high brightnes

s LED strip lights

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

SMD LED chips

LED chips

Though and 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  SMD LED chips in our High CRI UltraBright Series and 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 chip. 

For more smd led strip specificationsinformation, please contact us. We will provide professional answers.

So, What does all this mean?

Should I choose , , , , 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! 

We&#;re all familiar with LED lights, but have you heard of an SMD LED light? This is a new type of LED technology that will change the way you think about regular LED&#;s.

What is SMD?
An SMD stands for a surface mount device. Surface mounted devices use SMT (surface-mount technology) to mount LED chips onto printed circuit boards (PCB).

What does this mean for you?
Magnifying lamps made with SMD light ultimately save you time and money. Here&#;s why you should make the change:

SMD magnifying lamps shine brighter than traditional LEDs, fluorescent, and CFL lamps without generating heat.

This makes it more pleasant to work under cool light, especially if you are working with detailed work for a long time like soldering. Estheticians also love SMD LED lamps, as the cool light is more comforting to their clients, and don&#;t get hot to the touch.

SMD magnifying lamps last longer, and are more energy efficient compared to traditional lights by providing up to 50,000 hours of light.

Spend less time on replacing your lamp, and more time on your  craft!

Each Boli Optics magnifying lamp is made with SMD LED light technology.

We use professional grade, genuine diopter optical glass lenses, which provides crystal clear magnification without glare. Unlike cheaper lamps that only paste plastic magnifying sheets onto ordinary glass, Boli Optics magnifying lamps resist scratches with its high quality glass and metal components.

Why you should choose a Boli Optics magnifying lamp for your work:

Boli Optics magnifying lamps are ergonomically designed. The 4 adjustable light settings allow you to work under your desired brightness.

The lamp stays in place for hands free use (no wobbling). Unlike cheap, plastic lamps, our lamps feature a heavy-duty adjustable metal framework that easily attaches to tables and work surfaces, and stays in place so you can work with both hands. The locking pin feature to prevent unintended lifting.

The Clamp magnifying lamp frees up your desk space, by only using 2 inches of table space.

The adjustable spring arm & 360° swivel base joint provides 360-degree swivel motion in any direction.

If you work with electronics, PCB, or solder,  these ESD safe, anti-static (Black) Magnifying Lamps are perfect for you.

If you want to learn more, please visit our website led smd vs .