Electronic component testing and screening services are also known as secondary screening of electronic components. The secondary screening of electronic components refers to the screening of electronic components by the user or a third party entrusted by the user based on the screening of component manufacturers. Secondary screening is a series of targeted tests conducted on the basis of various failure modes of electronic components to effectively eliminate early failures. Due to the current situation in the design, manufacturing, and processing of electronic components in China, as well as many uncontrollable factors in the procurement of imported components, secondary screening of electronic components has become an indispensable part in stimulating potential design and production defects in electronic components, effectively eliminating early failure products, and improving the reliability of the entire system.

Electronic component testing runs through product design, component selection, production stage component acceptance and selection, and product "secondary" screening at the product delivery stage. Try to eliminate defective components or components that may fail early due to potential adverse factors such as raw materials, equipment, processes, and human factors from a batch of components, and select qualified components with certain characteristics or determine whether the batch of products is acceptable to improve product reliability. Especially for imported components, ensure product quality is controllable through "secondary screening", Improve the overall reliability of equipment.

General requirements for testing and screening of electronic components: 1. Non destructive testing without changing the inherent reliability of components; 2. 100% screening of batch products; 3. Eliminate early failures and improve the reliability of components; The screening level is determined by the expected operating conditions and service life of the components.

Electronic component testing and screening involves a large variety of instruments and equipment. The following is a list of relevant test items and testing instruments and equipment for electronic component testing and screening:

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