All About PCB Quality Standard Certificate

For those new to PCB projects, the multitude of certificates may seem overwhelming. However, these certificates are crucial for ensuring product quality and legitimacy. In this comprehensive guide by TechSparks, we’ll delve into the various PCB certificates to help you navigate them effectively!

What is PCB Certificate and Why are They Needed

PCB boards are widely used in electronic products across industries, and their quality and performance directly impact the final product’s quality. PCB certificate is a key in ensuring product quality, involving an assessment process by a certain institution or organization to evaluate the quality, performance, and safety of printed circuit boards to ensure compliance with specific standards, specifications, or regulations.

Apart from ensuring compliance with regulatory requirements, PCB certificates offer various other benefits. Firstly, obtaining internationally recognized certifications helps manufacturers enhance consumer trust and purchase desire, thereby expanding market share. Secondly, for international trade, PCB certificate helps reduce inspection and review during product import, speeding up clearance and reducing trade risks.

However, not all situations require these certificates, and whether it’s needed depends on factors such as the product’s environment of use, industry requirements, market demand, and customer needs. For example, for non-medical equipment PCBs, following specific certification standards like ISO 13485 may not be necessary.

What PCB Certificate Does the Industry Need


Throughout the PCB project, a large number of materials are used, such as solder paste, adhesives, coatings, and inks, all of which must comply with international standards and export standards. Therefore, before starting production, it’s essential to inquire about the brands of materials used to ensure they have good performance and comply with regulatory requirements. Here are some common certificate certifications related to materials:

  • RoHS: This is a European Union directive that restricts the use of hazardous substances in materials, requiring the content of harmful substances to be below specified limits. Restricted substances include lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers.
  • UL 94V-0: This is a testing standard by Underwriters Laboratories (UL) that evaluates the flammability performance of plastic materials under flame action. Based on flame retardancy performance, materials are divided into different grades such as V-0, V-1, V-2, etc.
  • REACH Regulations: This is a European Union regulation on chemical management, requiring manufacturers or importers to register chemical substances used in quantities exceeding thresholds with the European Chemicals Agency.
  • IPC-4101: This standard covers the physical, mechanical, and electrical performance requirements of various substrates and coating materials used in manufacturing.
  • IPC-CC-830: This is the performance specification for conformal coating materials, including appearance requirements and test methods.


PCB manufacturing-related certificates are not just documents but also a reflection of strict quality control requirements for manufacturers to ensure the production of high-quality electronic boards meeting customer expectations. Here are some of the most useful certificates related to manufacturing:

  • ISO 9001: This is a general quality management standard applicable to organizations of all sizes and types. ISO 9001 emphasizes continuous improvement, helping organizations establish processes for monitoring, measuring, analyzing, and improving to enhance the quality of products and services. Therefore, almost all reliable PCB manufacturers apply for this certificate.
  • ISO 14001: This is an environmental management system certification assessing an organization’s management capability and performance in environmental protection. Through ISO 14001 certification, organizations can reduce the environmental impact of manufacturing processes and improve resource utilization efficiency.
  • IPC-A-600: This certificate specifies requirements for the appearance, dimensions, hole sizes, solder pads, etc., of bare printed circuit boards and defines classifications and acceptance criteria for various defects. If produced PCBs do not meet the standards, users have the right to reject them.
  • IPC-A-610: Similar to IPC-A-600, but IPC-A-610 applies to acceptance specifications for PCB assembly, including requirements for soldering quality, assembly quality, component installation, etc.


In addition to general certificate certifications, the electronics industry also needs to meet specific industry certificate requirements, typically enforced by regulatory bodies. Here are some certificates specific to certain industries:

  • ISO 13485: This is an international standard specifically for quality management systems (QMS) for medical devices, providing a comprehensive quality management framework covering requirements such as risk management and sterile production for medical device manufacturers and suppliers.
  • IATF 16949: This is a quality management system standard for the automotive industry developed and managed by the International Automotive Task Force (IATF). Based on ISO/TS 16949, the standard has been updated and revised to propose stricter quality management requirements and strengthen requirements for supply chain management, thereby enhancing the quality and reliability of the entire automotive supply chain.
  • AS9100: Developed and managed by the International Aerospace Quality Group (IAQG), AS9100 ensures zero defects in all processes from product design to production and beyond. Besides incorporating all requirements of ISO 9001, AS9100 specifically extends and elaborates on the requirements for the aerospace industry.

Verifying Manufacturer Reliability through PCB Certificate

Verifying manufacturer reliability through a PCB certificate is a crucial step, but it requires vigilance because having certifications does not necessarily mean all manufacturers are reliable. Certificates only serve as a way to narrow down the options, and ultimately, the most reputable manufacturer should be chosen from those with PCB certificates of compliance.

Firstly, you need to understand various PCB certificates, besides the common ones mentioned earlier, there are actually many more and their advanced versions. You can look up relevant certificates based on your industry or requirements and delve into their meanings.

Next, request all relevant documents, including certificates and material information, from your potential partners. Quality manufacturers will be willing to provide this information as it’s their advantage. If you encounter evasive responses, it’s best to move on.

After obtaining certificates and information, don’t take them at face value; instead, verify their authenticity. You can obtain this information from official platforms, and you should also check online reviews, paying particular attention to negative reviews rather than just positive ones. Finally, compare multiple options, and if the conditions are similar, prioritize the manufacturer with the most competitive pricing.

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