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【PCB Supplier in China】Do You Know How to Distinguish the Quality of PCB?

PCBs are crucial components in electronic devices, and their quality directly affects the performance and reliability of the equipment. However, there are various PCBs of varying quality in the market, making it essential for consumers to discern their quality. This article will reveal the key indicators and practical methods for distinguishing the quality of PCBs, helping you purchase high-quality PCBs.

1.Material Quality: High-quality PCBs are manufactured using premium materials with excellent properties such as high temperature resistance, corrosion resistance, and good electrical performance. Check whether the surface of the board is smooth, without obvious scratches or damage.

2.Circuit Layout: High-quality PCBs have a reasonable layout that avoids signal interference and electrical noise. The signal paths should be clear, with no crossing or overlapping arrangements.

3.Trace Width and Spacing: The width and spacing of traces are crucial for electrical performance. High-quality PCBs have appropriate trace width and spacing to ensure stable and reliable signal transmission.

4.Soldering Quality: Soldering is a critical step in PCB manufacturing. In high-quality boards, solder joints are uniform, smooth, and firm. Soldering errors, cold solder joints, or short circuits can lead to board failures or unreliability.

5.Surface Treatment: Surface treatment of PCBs can enhance their corrosion resistance, protectiveness, and solderability. Common surface treatment methods include tin spraying, gold plating, and silver plating. High-quality boards usually undergo appropriate surface treatment.

6.Details and Precision: High-quality PCBs possess precise details and high manufacturing precision. Accurate hole diameters, uniform inner layers, clear printing marks, and other details should be carefully examined.

7.Quality Certification: Check whether the supplier has relevant quality certifications, such as ISO 9001. Certifications demonstrate that the manufacturer adheres to a set of quality management standards, enhancing the quality and reliability of the PCBs.

The above are key indicators for distinguishing the quality of PCBs. Additionally, you can purchase samples from suppliers for practical testing and evaluation. By considering these factors comprehensively, you will make a more informed choice and select high-quality PCBs that meet your needs. The quality of your electronic devices fundamentally depends on the selection of quality components.

Choose Longyu PCBs to provide a solid foundation for your projects and help you create outstanding electronic products. Longyu Technology Co., Ltd. is certified by UL, IATF16949, ISO, ROHS, CQC, and other certifications. It supports complex processes such as thick copper, ultra-thin plates, nickel palladium, halogen-free, and has a full process production equipment with a delivery rate of 96.8%. We customize production according to customer needs and are committed to providing customers with high-quality and efficient services! Support online inquiry, welcome to call!

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