Chizhou Yunzhong achieved the mass production of 10μF high-capacitance MLCCs with 0805 package (2.0mm×1.25mm) in the second half of 2025. This achievement relies on three core technologies: first, independently developed ceramic powder with high dielectric constant, which lays the foundation for high capacitance; second, overcoming the technical challenge of controlling the production of ceramic films thinner than 2μm while meeting the high-precision requirement of stacking more than 400 layers, thus realizing the balance between volume and capacitance; third, ensuring stable product yield through a full-process quality control system. This product can not only meet the general needs of the home appliance and lighting sectors, but also adapt to high-end scenarios such as ADAS and power battery management systems of new energy vehicles. In addition, the expansion project of Yongjie Electronics, which aims to produce 300 million ceramic capacitors annually, has also launched trial production. Its production line, based on independently developed patented laser welding technology, has established cooperation with enterprises such as Samsung and Philips.

　I. Technological Breakthrough: Mass Production Plan of 10μF MLCCs with 0805 Package

　　1. Product Specifications and Significance

　　Package Size: 0805 (2.0mm × 1.25mm), a common miniaturized package type.

　　Key Parameter: Capacitance up to 10μF. Achieving high capacitance in such a small volume reflects the technology-intensive nature of the product.

　　Significance: It realizes the balance between miniaturization and high capacitance of capacitors, conforming to the trend of high integration of electronic devices.

　　2. Three Supporting Core Technologies

　　Core 1: Material Foundation: Independently developed ceramic powder with high dielectric constant, which is the fundamental prerequisite for achieving high capacitance.

　　Core 2: Process Bottleneck Breakthrough

　　Overcoming the uniform preparation technology of ultra-thin ceramic films < 2μm (micrometers).

　　Realizing high-precision, defect-free stacking of more than 400 layers of ceramic films and electrodes.

　　These two points are the most critical manufacturing processes for achieving "small volume and high capacitance".

　　Core 3: Quality Assurance: Establishing a full-process quality control system to ensure product yield and consistency under complex processes.

　　3. Target Application Markets

　　General Market: Consumer electronics fields such as home appliances and lighting.

　　High-end Market: Scenarios with extremely high requirements for component reliability, such as ADAS (Advanced Driver Assistance Systems) and Battery Management Systems (BMS) of new energy vehicles, demonstrating the product's high performance and reliability.

　　II. Capacity Expansion: Yongjie Electronics' Expansion Project

　　1. Project Progress: The expansion project with an annual output of 300 million ceramic capacitors has entered the trial production phase.

　　2. Technical Highlight: The production line adopts independently developed patented laser welding technology, which helps improve production efficiency and product connection reliability.

　　3. Market Recognition: Having established cooperation with internationally renowned enterprises such as Samsung and Philips, which proves that its technical strength and product quality have been recognized by high-end customers.

　　Comprehensive Interpretation and Impact

　　Domestic Substitution and Industrial Upgrading

　　This move marks that Chinese enterprises are transforming from technology followers to innovators in the field of high-end passive components. Especially in the MLCC market dominated by Japanese and Korean manufacturers, Chinese enterprises have achieved breakthroughs in key technologies.

　　Seizing the Future Market

　　The product directly targets two high-growth tracks: new energy vehicles and high-end consumer electronics, boasting broad market prospects.

　　Dual-wheel Drive of "Technology + Capacity"

　　While breaking through the technologies of cutting-edge products, the company has rapidly built supporting production capacity and obtained orders from major international customers, forming a positive cycle from R&D to market and enhancing comprehensive competitiveness.

　　Significance to the Industrial Chain

　　It provides important domestic high-end component options for downstream domestic electronic manufacturers, especially automotive electronics manufacturers, helping to improve the autonomy and security of the supply chain.

　　Conclusion

　　By conquering the full-chain technologies of "materials-process-quality control" for high-end MLCCs, Chizhou Yunzhong has successfully developed micro high-capacitance products with international competitiveness, coupled with advanced capacity layout. It is a typical example of the upward breakthrough of China's electronic basic component industry.