The meaning of various marks on the circuit board

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• Date: 2023-04-24
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The meaning of various marks on the circuit board
North American certification
UL certification: UL is the abbreviation of Underwriter Laboratories Inc., and is one of the most reliable conformity assessment providers for manufacturers.
UL Safety Testing Institute is the most authoritative in the United States and the largest non-governmental organization engaged in safety testing and appraisal in the world. UL is mainly engaged in product safety certification and business safety certification business. Its ultimate goal is to obtain products with a certain level of safety for the market and contribute to the guarantee of personal health and property safety. As far as product safety certification is an effective means to eliminate technical barriers to international trade, UL also plays an active role in promoting the development of international trade. In the United States, for consumers, UL is a symbol of safety signs, and UL is one of the most reliable conformity assessment providers for manufacturers.
                              
                      
The UL certification mark is the RU symbol, a very common symbol on the circuit board
    
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Certification in other countries
Indonesian POSTEL certification (POSTEL of Indonesia): All communication products imported into Indonesia must pass the type certification and customs inspection of the Indonesian Post and Telecommunications Directorate (DGPT).

SIRIM certification of Malaysia (SIRIM certification of Malaysia): The product certification system implemented in Malaysia is divided into two types: compulsory certification and voluntary certification. Communication equipment and the 31 categories of electrical products stipulated in the "Electrical Equipment Approval Regulations" must undergo compulsory type certification and safety certification respectively, and other products belong to the scope of voluntary certification.

NTC certification of Thailand: NTC (National Telecommunication Commission of Thailand) has set clear regulatory restrictions for telecommunication equipment, telecommunication terminal equipment and wireless products, requiring communication products to pass NTC when they are exported to Thailand. Certified and affixed with the NTC label.

Singapore IDA certification (IDA certification of Singapore): The use management of the Singapore team's telecommunications products is under the responsibility of the Singapore Infocomm Development Authority (IDA), and its management basis is mainly based on the technical specifications formulated by IDA. These technical specifications set out the standards for the minimum technical requirements for telecommunications equipment intended for sale and use in Singapore.

CSP Scheme and safety mark in Singapore (CSP Scheme and safety mark in Singapore): Products regulated in the CSP plan include 47 products including household appliances, audio and video products, home computers, fixed lighting appliances, plugs and sockets, and liquefied petroleum gas system components. The CSP program requires suppliers to register with SPRING Singapore to become "Registered Suppliers" before selling products in Singapore; regulated products also need to obtain conformity assessment certificates (COC) from conformity assessment bodies (CABs) (valid for 3 years) ); the registered supplier submits the COC to SPRING Singapore to register the certified regulated product; after confirmation, the registered regulated product can only be sold or promoted by affixing the safety mark.

STQC certification of India (STQC certification of India): STQC safety certification system (S mark) is a third-party certification system for electronic products. The certification body is the Standardization Testing and Quality Certification Center of India (Standardization Testing and Quality Certification, STQC), It belongs to the Department of Information Technology (DIT) of India. The safety certification system aims to prove that electronic products meet the requirements of relevant IEC safety standards through procedures such as evaluation, testing and follow-up supervision. At present, STQC accepts voluntary application for certification by manufacturers, and manufacturers can voluntarily submit applications as needed.
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