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The introduction and differences of SMD2835 SMD3030 SMD3535 and SMD5050 | Yuanyeled

November 23, 2023

When searching for LED products, you may come across different 4-digit designations for LED types. When you first come across these codes, you may be very confused as to what they mean! SMD LED has many types, which are produced in a variety of shapes and sizes, the most common types of LEDs are: 2835, 3030,3535, 5050. Which LED is the brightest? The current and wattage of each type.

Read on to find out the difference between common LED types.


1. SMD3030


SMD3030 means that the package size of the led light bead is 3.0*3.0mm.

LED lamp bead package to use multi-color combination to achieve, focus on improving the spectral volume distribution of LED radiation SPD, to the spectral volume distribution of sunlight close. To pay attention to the development and application of quantum dot phosphor to achieve better light color quality.

LED lamp bead is the most basic form of LED application, LED packaging of various technologies, methods, processes, equipment, and packaging shape, directly related to the subsequent downstream LED application mode and the scope of application.

 

Characteristics of 3030 SMD LED beads:

①Light-emitting principle is a cold light-emitting, rather than by heating or discharge light-emitting, so the component life than tungsten bulbs about 50 ~ 100 times longer, about 100,000 hours.

② No need to warm up time, lighting response speed faster than the general electric light (about 3 ~ 400ns).

③Easy to small, thin, lightweight, no shape limitations, easy to make a variety of applications.

Chip LEDs are pasted on the surface of circuit boards and are suitable for SMT processing and reflow soldering, while inline LEDs are encapsulated in the form of potting. The process of potting is to inject liquid epoxy resin into the LED molding cavity, and then inserted into the LED bracket welded, placed in the oven to let the epoxy resin curing, the LED from the mold cavity out of the molding. Because the manufacturing process is relatively simple, low cost, has a high market share.

2. SMD3535

The exterior dimension is 3.5 x 3.5 x 2.8mm. The LED beads are larger than SMD2828. It is not suitable for high definition and small spacing LED display. It can be used for outdoor surface mounting P8, P10, P12, 3535. It adopts interior white and exterior black design. The contrast effect is significantly improved. The waterproof gel filling process also uses outdoor surface mounting special silica gel, the thickness of 1.5mm.


3. SMD5050

The 5050 SMD chips measure 50mm x 50mm, which mean that each 5050 SMD is big enough to house four separate LED chips (sometimes called 'quad LEDs').

5050 LED chips are often used on 60 LED-per-metre strip lights, pulling 14.4 watts at 24 volts (commonly called 14.4w p/m or 15w p/m LED tape). With an output of around 990-1080 lumens per metre, depending on colour, this tape gives you a smooth, bright effect when shining onto a surface. These 60 SMD p/m 5050 LED strip lights are typically used for general lighting applications, such as corridor lighting, replacing fluorescent tube lighting, in homes, bars, restaurants, hotels and other locations.

 

Characteristics of 5050 SMD LED beads:

①low voltage drive, environmental protection and energy saving.

②small size, easy to install.

③high brightness, large scattering angle, good consistency.

④the product is characterized by high temperature resistance, long life, high UV resistance.


4. SMD2835

2835 lamp beads use 2.8*3.5*0.7MM package, 3030 lamp beads use 3.5*2.8*1.9MM package, the biggest difference is that 3030 lamp bead height is 1.9MM, and 2835 lamp bead height is 0.6-0.8MM.

 

Characteristics of 2835 SMD LED beads:

①2835 high brightness, a single up to 24 lumens (LM), the brightness is 2.8 times of 3528 lamp beads, 3014 lamp beads 1.8 times.

②2835 lamp bead thickness is thin, the thickness is only half of 3528 lamp bead, in the finished product application, the spot is more uniform, the illuminance is wider.

③ 2835 adopts the unique vertical heat dissipation of SMD lamp beads, with heat sink at the bottom, the chip directly conducts the heat sink, the heat dissipation is faster, and there is no heat sink at the bottom of 3528.


SMD2835 light beads application range:

①Applicable industries: fluorescent lamp, panel light, bulb light, soft light strip, hard light strip

②Applicable equipment: stage lighting equipment, lighting equipment, LED lamp maintenance equipment

③Application: stores, shopping malls, entertainment venues, bars, cafes, hotels, hotels



 

What are the difference between SMD5050 SMD3030?

1. the package size is different:

5050 refers to the length and width of 5.0 * 5.0mm LED lamp beads.

3030 refers to the 3.0 * 3.0mm LED beads.

2. the color is different:

3030 lamp beads just belong to a single color.

5050 lamp beads can be dual-color, a lamp dual-color dual-use, good color mixing.

3. different power:

3030 lamp bead power 0.2-1W.

5050 lamp bead power for the conventional also in 0.2W-0.5W.


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