What are the differences between types of LED chip?

Author: Steve

Dec. 02, 2024

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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 LED strip lights are 5.0mm x 5.0mm.

If you are looking for more details, kindly visit Moonleds.

Which is the best LED chip?

LEDs like s, s, s and s 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 LED chip explained

Measuring 3.5mm x 2.8mm, the SMD is a smaller chip than the LED strip SMD. You will most often find 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 SMDs as standard colours. (We can also supply other white colour temperatures, made to order.)

For more information, please visit Smd Led.

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, 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.

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 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 LED package types such as ...

What is the difference between LED package types such as , , and ?


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! Read on to find out the difference between common LED types and what to look out for.

First of all, what is an LED package?



An LED lamp typically consists of multiple LEDs mounted onto a circuit board, commonly specified at certain density numbers such as 60 per meter for LED strips. Each of these LEDs, however, come in a variety of types called LED packages.

An LED package is a plastic casing that carries an LED chip and phosphor. The LED chip is the semiconductor material that emits light (blue light) and the phosphor material converts some of this light into green and red wavelengths. This mixture results in the white light that is emitted by the LED package.

A variety of LED package types



LED packages types are designated by four digit codes such as , , and . The first two digits refer to the width of the package, while the last two digits refer to its length, in tenths of a millimeter. So for example, a LED package has a width of 3.5 mm, and a length of 2.8 mm.

Generally speaking, a larger package can handle more power. This is because it has more surface area to dissipate heat. However, be aware that this is not always a hard and fast rule. The package, for example, has the same surface area dimensions as the , but is a newer package design that allows for much higher power levels. The package material (e.g. PPA vs PCT vs ceramic) and thermal design all have an influence on power capacity as well.

Generation 1 LEDs: and



The first generation of surface mount style LEDs come in and sizes. The typically contains a single 20 mA LED chip (approximately 0.06 Watts) and a typically contains three 20 mA LED chips (approximately 0.2 Watts). Therefore, a single LED package has the capacity of 3x LEDs.

In addition to the higher capacity, because the package typically has enough space for three different LED chips, it is a popular method of packaging RGB LEDs that require multiple colors. Of course, they can also be used to package single color white LEDs, in which three blue LED chips would be used.

There are some RGB LEDs, but these typically contain only one color per LED. This can cause additional issues where you may see some shadowing or color shifts due to the uneven spacing. Because the RGB LED chips are located in a single package for a LED, the single point source tends to work better.

Generation 2: and



The second generation of LED types saw an increase in power density. The LED is typically driven at 60 mA each (0.2 Watts) while the LED is typically driven at 150 mA each (0.5 Watts). Due to improvements in LED chip technology and package thermal design improvements, power levels at the LED level have increased significantly. In reality, some of the power levels of these LEDs will exceed the overall thermal capacity of the LED strip system since the thermal dissipation of an LED strip is limited due to the material and lack of heat sinking.

The second generation and LEDs also offer a lower profile. If you need to fit the LED strips in a location with limited vertical space, this can be an advantage, and in addition, this package design creates fewer issues with fringe yellowing.

Other package types



may be another LED package type that you come across. These LEDs are designed to be low power (approximately 20 mA each) and are commonly used in LCD backlighting applications where high LED count is needed for uniformity. Similarly, there are LED strip light products that have these LEDs in a diagonal pattern at a high density in order to create a uniform linear light source.

LEDs are also seen used on LED strips. Many of these products take advantage of the symmetrical circular light emission surface as they can be paired with secondary optics and lensing. LEDs are typically designed to be run at 300 mA or more (up to 1.0 Watts) but due to thermal concerns are typically not run at full capacity on LED strip products.

Bottom line



When choosing an LED strip, the LED type can be one of the most important aspects of its performance. Be sure to consider the quality and performance at the individual LED level in addition to the total quantity, as this can have an effect on overall performance.





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! Read on to find out the difference between common LED types and what to look out for.An LED lamp typically consists of multiple LEDs mounted onto a circuit board, commonly specified at certain density numbers such as 60 per meter for LED strips. Each of these LEDs, however, come in a variety of types called LED packages.An LED package is a plastic casing that carries an LED chip and phosphor. The LED chip is the semiconductor material that emits light (blue light) and the phosphor material converts some of this light into green and red wavelengths. This mixture results in the white light that is emitted by the LED package.LED packages types are designated by four digit codes such as , , and . The first two digits refer to the width of the package, while the last two digits refer to its length, in tenths of a millimeter. So for example, a LED package has a width of 3.5 mm, and a length of 2.8 mm.Generally speaking, a larger package can handle more power. This is because it has more surface area to dissipate heat. However, be aware that this is not always a hard and fast rule. The package, for example, has the same surface area dimensions as the , but is a newer package design that allows for much higher power levels. The package material (e.g. PPA vs PCT vs ceramic) and thermal design all have an influence on power capacity as well.The first generation of surface mount style LEDs come in and sizes. The typically contains a single 20 mA LED chip (approximately 0.06 Watts) and a typically contains three 20 mA LED chips (approximately 0.2 Watts). Therefore, a single LED package has the capacity of 3x LEDs.In addition to the higher capacity, because the package typically has enough space for three different LED chips, it is a popular method of packaging RGB LEDs that require multiple colors. Of course, they can also be used to package single color white LEDs, in which three blue LED chips would be used.There are some RGB LEDs, but these typically contain only one color per LED. This can cause additional issues where you may see some shadowing or color shifts due to the uneven spacing. Because the RGB LED chips are located in a single package for a LED, the single point source tends to work better.The second generation of LED types saw an increase in power density. The LED is typically driven at 60 mA each (0.2 Watts) while the LED is typically driven at 150 mA each (0.5 Watts). Due to improvements in LED chip technology and package thermal design improvements, power levels at the LED level have increased significantly. In reality, some of the power levels of these LEDs will exceed the overall thermal capacity of the LED strip system since the thermal dissipation of an LED strip is limited due to the material and lack of heat sinking.The second generation and LEDs also offer a lower profile. If you need to fit the LED strips in a location with limited vertical space, this can be an advantage, and in addition, this package design creates fewer issues with fringe yellowing. may be another LED package type that you come across. These LEDs are designed to be low power (approximately 20 mA each) and are commonly used in LCD backlighting applications where high LED count is needed for uniformity. Similarly, there are LED strip light products that have these LEDs in a diagonal pattern at a high density in order to create a uniform linear light source. LEDs are also seen used on LED strips. Many of these products take advantage of the symmetrical circular light emission surface as they can be paired with secondary optics and lensing. LEDs are typically designed to be run at 300 mA or more (up to 1.0 Watts) but due to thermal concerns are typically not run at full capacity on LED strip products.When choosing an LED strip, the LED type can be one of the most important aspects of its performance. Be sure to consider the quality and performance at the individual LED level in addition to the total quantity, as this can have an effect on overall performance.

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