Main Technical Parameters
|
project |
characteristic |
|
|
range of working temperature |
-55~+105℃ |
|
|
Rated working voltage |
2 ~ 2.5V |
|
|
capacity range |
330 ~ 560uF 120Hz 20℃ |
|
|
Capacity tolerance |
±20% (120Hz 20℃) |
|
|
loss tangent |
120Hz 20℃ below the value in the list of standard products |
|
|
leakage current |
I≤0.2CVor200pA takes the maximum value, charge at rated voltage for 2 minutes, 20°C |
|
|
Equivalent Series Resistance (ESR) |
100kHz 20°C below the value in the list of standard products |
|
|
Surge voltage (V) |
1.15 times the rated voltage |
|
|
Durability |
The product should meet the temperature of 105 ℃, apply the rated working voltage for 2000 hours, and after 16 hours at 20 ℃, |
|
|
Capacitance change rate |
±20% of initial value |
|
|
loss tangent |
≤200% of the initial specification value |
|
|
leakage current |
≤Initial specification value |
|
|
High temperature and humidity |
The product should meet the conditions of 60°C temperature, 90%~95%R.H humidity for 500 hours, no voltage applied, and after 16 hours at 20°C, |
|
|
Capacitance change rate |
+50% -20% of initial value |
|
|
loss tangent |
≤200% of the initial specification value |
|
|
leakage current |
to initial specification value |
|

Temperature Coefficient Of Rated Ripple Current
| temperature | T≤45℃ | 45℃<T≤85℃ | 85℃<T≤105℃ |
| coefficient | 1 | 0.7 | 0.25 |
|
Note: The surface temperature of the capacitor does not exceed the maximum operating temperature of the product |
|||
Rated Ripple Current Frequency Correction Factor
|
Frequency (Hz) |
120Hz | 1kHz | 10kHz | 100-300kHz |
|
correction factor |
0.1 | 0.45 | 0.5 | 1 |
YMIN MPS: High-Performance Solid-State Capacitor Solutions for Reliable Power in the Server Industry
Driven by the digital age, data centers and cloud computing services are experiencing explosive growth. As the core carrier of digital infrastructure, the stability and reliability of servers directly affect the normal operation of the entire digital ecosystem. YMIN Electric's MPS series of multilayer polymer solid aluminum electrolytic capacitors, with their superior electrical performance and reliability, are becoming the ideal choice for server power management systems, providing strong and stable power support for modern data centers.
The Stringent Requirements of Capacitors in the Server Industry
Server equipment, as critical devices operating 24/7, places extremely high demands on the performance of each component. In server applications, capacitors not only need to withstand high-frequency, high-current operating environments but also must possess long-term operational stability and durability. Traditional electrolytic capacitors are prone to performance degradation and even explosion under high-frequency, high-temperature environments. YMIN's MPS series products, through innovative solid-state technology, perfectly solve these pain points.
Core Technology Advantages Analysis
Ultra-Low ESR Meets High-Frequency Server Requirements
Yongming MPS capacitors feature an ultra-low equivalent series resistance (ESR) of only 3mΩ, a figure far superior to traditional electrolytic capacitors. In server power systems, low ESR translates to lower energy loss and less heat generation, which is particularly important for high-density server deployments. This low ESR characteristic enables the capacitors to maintain stable filtering performance in high-frequency switching power supplies, providing a clean power supply to critical components such as the CPU and memory.
Wide Temperature Range Adapts to Harsh Operating Environments
Server room temperatures fluctuate significantly, especially under high loads, where internal equipment temperatures can rise substantially. The Yongming MPS series supports a wide operating temperature range of -55℃ to +105℃, ensuring stable capacitance and performance under various extreme temperature conditions. This feature allows the product to adapt to diverse data center environments, from cold to tropical regions, meeting the needs of global deployments.
Long-Life Design Reduces Maintenance Frequency
Yongming MPS capacitors maintain a lifespan of 2000 hours even at 105℃. In actual server operating environments (typically controlled at 40-50℃), their lifespan can be significantly extended. According to the Arrhenius equation, for every 10℃ decrease in temperature, the lifespan approximately doubles. This means that in a 50℃ operating environment, the expected lifespan of this product can reach tens of thousands of hours, greatly reducing server maintenance costs and downtime risks.
Key Applications in Server Power Management
CPU/GPU Power Supply Circuits
The increasing power density of modern server processors places higher demands on power supply systems. Yongming MPS capacitors play a crucial role in CPU/GPU power supply circuits. Their low ESR and high-frequency characteristics effectively filter power supply noise, providing a stable and clean power supply to the processor. Especially in high-performance computing servers, multi-phase power supply systems require a large number of high-performance capacitors. The compact size of the MPS series (minimum 7.3×4.3×1.9mm) enables high-density board layout.
Memory Power Supply Filtering
Server memory modules are extremely sensitive to power quality; even minor voltage fluctuations can lead to data errors or system crashes. MPS capacitors, with their excellent frequency characteristics and stable capacitance, provide a reliable power supply filtering solution for DDR4/DDR5 memory modules, ensuring the integrity and accuracy of data transmission.
Hard Drive Power Management
In enterprise-level storage servers, the simultaneous operation of numerous hard drives generates significant power supply noise. MPS capacitors play a crucial role in decoupling and filtering in hard drive power supply circuits, preventing power supply noise from interfering with sensitive data read/write circuits, thus improving the reliability and data integrity of the storage system.
Power Distribution Network (PDN) Optimization
In server motherboard design, the quality of the power distribution network directly affects the stability of the entire system. Yongming MPS capacitors effectively suppress voltage drops and noise in the power system by providing low-impedance local energy storage, providing an ideal power environment for various chips.
Synergy with Other Applications
Network Communication Equipment
Besides mainstream server applications, Yongming MPS capacitors also perform excellently in network switches, routers, and other communication equipment. These devices, together with servers, form the basic network architecture of data centers, and their requirements for capacitors are highly consistent. The high reliability and long lifespan of MPS products meet the requirements of long-term stable operation of communication equipment.
Storage Systems
Specialized storage systems such as RAID (Rapid Alignment) and SAN (Storage Area Network) are essential components of the server ecosystem. In these systems, MPS capacitors provide stable power support for storage controllers and interface circuits, ensuring the reliability of data storage and access.
Edge Computing Devices
With the rise of edge computing, edge servers deployed in harsh environments place higher demands on the environmental adaptability of components. The wide temperature range of the MPS series makes it an ideal choice for edge computing devices, maintaining stable performance in various demanding environments.
Technological Innovation and Reliability Assurance
Yongming's MPS series adopts laminated polymer solid aluminum electrolytic technology, perfectly combining the advantages of polymer technology with the stability of solid electrolytes. Compared with traditional liquid electrolytic capacitors, this product completely eliminates the risk of electrolyte drying and leakage, improving the long-term reliability of the system.
The products undergo rigorous quality control, including high-temperature load testing (105℃, 2000 hours at rated voltage) and high-humidity load testing (60℃, 90-95%RH, 500 hours), ensuring that each capacitor meets the stringent quality requirements of the server industry.
Product Specifications and Selection Guide
The YMIN MPS series offers a variety of specifications, covering 2V and 2.5V rated voltages, with capacitance values ranging from 330μF to 560μF, meeting the needs of different server designs. The compact package size facilitates high-density server motherboard designs while maintaining consistent performance.
Specific models include MPS331M0DD19003R (2V/330μF), MPS471M0DD19003R (2V/470μF), MPS561M0DD19003R (2V/560μF), and a variety of 2.5V series options, providing server designers with ample flexibility.
Conclusion and Outlook
Yongming's MPS series multilayer polymer solid aluminum electrolytic capacitors offer an ideal power management solution for the server industry due to their ultra-low ESR, wide temperature range, long lifespan, and high reliability. As data centers evolve towards higher density and higher efficiency, the demand for high-performance capacitors will continue to grow.
Against the backdrop of deepening digital transformation, servers, as the cornerstone of the digital economy, are becoming increasingly important for reliability and efficiency. Yongming Electric will continue its commitment to technological innovation, providing the server industry with more advanced and reliable capacitor solutions to help build a more stable and efficient digital infrastructure.
By applying MPS series capacitors to server power systems, equipment manufacturers can significantly improve product performance and reliability, reduce overall operating costs, and create greater value for end users. Yongming Electric looks forward to working closely with partners in the server industry to jointly promote the development and innovation of data center technologies.
| Products Number | Operate Temperature(℃) | Rated Voltage (V.DC) | Capacitance (uF) | Length(mm) | Width (mm) | Height (mm) | ESR [mΩmax] | Life(Hrs) | Leakage Current(uA) |
| MPS331M0DD19003R | -55~105 | 2 | 330 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 200 |
| MPS471M0DD19003R | -55~105 | 2 | 470 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 200 |
| MPS561M0DD19003R | -55~105 | 2 | 560 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 224 |
| MPS331M0ED19003R | -55~105 | 2.5 | 330 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 200 |
| MPS391M0ED19003R | -55~105 | 2.5 | 390 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 200 |
| MPS471M0ED19003R | -55~105 | 2.5 | 470 | 7.3 | 4.3 | 1.9 | 3 | 2000 | 235 |







