3528 LED or 5050 LED are the most 2 common use LED in flex strip lighting. They can also used in either mono-light or RGB flex strip lighting. So what is 3528 LED as compare to 5050 LED? The supplier will reply with a simple sentence, 5050 is the diode which much brighter than 3528-LED.
Let us talk slightly more over here.
Please see the image for better understanding. You can find out that 3528-LED is smaller size as compare to 5050-LED, every 5050 LED diode actually compose of 3set of 3528-LED diode.
A 3528-LED diode will illuminate brightness equal to 6lm, and a 5050-LED diode will deliver the brightness for 18lm. Same as power, a 3528-LED diode will consume 0.06w; on the other hand a 5050-LED will use 0.18w of energy.
Since both diodes are considered as a low power diode, we don't see much difference between heat dissipation. Or to put it another way, heat dissipation may not be a big concern for their application.
Application for 3528 LED and 5050 LED
We note that both diodes are mainly used in flex strip lighting, apart from flex strip lighting; we also notice that some of the manufacturers tend to use multiple 3528 or 5050 LED diode integrated in a household LED light bulb, is that any difference? In term from user stand point, it doesn't make much difference because it emit similar amount of light brightness. However for most cases, people are still preferred to have high power LED diode.
In general, 3528 and 5050-LED are two general type of LED diode in the market that used for flex strip lighting. Select 5050-LED diode if illumination or brightness is the major concern.
I am deeply involve in LED Lighting and products, feel free to visit my LED Lighting website. http://www.iloveledlighting.com