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high power PCB reverse engineering for Arduino
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high power PCB reverse engineering for Arduino

Board thickness:1.6mm
Copper Thinckness:1OZ
Sold mask:Green
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FR-4 refers to a type of material with a flame retardant rating of FR-4, which will go off itself in a short time after being burned. It is a kind of matrix material that uses epoxy resin as adhesive and glass fiber as reinforcing material. This kind of matrix material has excellent electrical performance and high working temperature, besides, its performance is less affected by the environment. In terms of processing technology, it is superior to the glass fiber boards of other resins. It is a kind of very important and commonly used matrix material.

While FR-4 can also be classified according to the different Tg. Tg refers to the glass transition temperature of the material, that is, the temperature at which the material physically changes from the high-elastic state to the glass state. We can think it as a temperature at which the material will deform, that is, the maximum working temperature of the material. If working at a temperature above Tg continuously, the material will deform, which may cause malfunctions or safety hazards. The commonly used types are Tg130, Tg150 andTg170. Of course, the price of material with different Tg is also different, so we should choose the appropriate FR-4 material according to different using environments. Generally, for boards with 8 layers and above, Tg170 materials must be used since they will generate lots of heat. For those boards with less layers but large size, we also recommend using Tg170 materials.


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Boyunfa is a printed circuit board  company, Located in Shenzhen,520 employees,16000 square feet, Who have offered  PCB Manufacturing Service for more than 10 years.With the state-of-the-art technologies we employ, along with our highly trained workforce we are able to ensure that every PCB we provide matches your design requirements.

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