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FR4 Circuit Board

Layers: 2

Thickness: 0.8mm

PCB size: 75*136mm

Materials: FR4

Soldermask: Green

Surface finish: HASL Lead free

Trace width/space: 3/4 mil

Application: Medical equipment

  • Product Detail

Product Detail:

FR4 features to consider when choosing FR4 PCB:

When selecting FR4 circuit boards, electrical engineers or technicians must check the following characteristics:


The thickness of FR4 sheet varies depending on your project. Ideally, you need an FR4 that is 1.3mm to 3mm.

Impedance matching:

Impedance matching is very important in high-frequency PCBs. It helps maintain the functions of the board of directors. It also determines the capacitance of each layer in the multilayer board.

Space and flexibility:

According to your project, you can choose FR4 material for the PCB board. In most cases, people prefer thinner sheets because they take up less space and are more flexible.

Weight of FR4:

Because the thickness of the board determines its weight. For lighter products, please choose a lighter FR4 circuit boards.

Thermal Conductivity:

To determine the temperature management of FR4, check the thermal coefficient value of the dielectric constant. However, FR4 has heat resistance, which is one of the main reasons for its widespread use.

Hecheng Fast Electronic Technology is a leading manufacturer specializing in the production of FR4 PCBs, Rogers PCBs, Mental base PCBs, etc over 15 years in Shenzhen. We also provide with one-stop PCB service. We have own PCB factories, production line and a variety of professional testing equipments. Now our company uses international advanced circuit board equipments and employs specialized talents for managing. We are committed to improving our product quality constantly. Our products have been certificate of TS16949,QS9000,ISO14001,UL. What’ more, All your RFQ, complaints, questions, and requirements will be replied in 1 working day. All our customer service members have good training of PCB knowledge, we are ready to serve you any time.

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