IDC3

IDC3 Series Aluminum Electrolytic Capacitors: Providing Stable and Efficient Energy Solutions for Server Power Supplies

In today's digital age, servers serve as core equipment for data storage, processing, and transmission. Their stable operation is crucial to the entire information system. Server power supplies, the "heart" of servers, must be efficient, stable, and reliable. The IDC3 series aluminum electrolytic capacitors, with their superior performance, are an ideal choice for server power supply designs.

Product Core Technical Features

Utilizing advanced materials and process technology, the IDC3 series aluminum electrolytic capacitors offer a long lifespan of 3000 hours at 105°C. This performance is particularly important for server power supplies that require 24/7 uninterrupted operation. With an operating temperature range of -40°C to +105°C, these capacitors can withstand the harsh environmental conditions of server rooms.

With a rated voltage range of 350-500V DC and capacitance values ​​ranging from 47μF to 1000μF, these capacitors fully meet the design requirements of server power supply circuits. Its low leakage current (less than 0.94mA or 3CV) minimizes power consumption in standby mode, meeting the stringent energy efficiency requirements of modern data centers.

Key Applications in Server Power Supplies

In server power supply design, IDC3 capacitors are primarily used in the following key areas:

Input filter circuit: The input of a server power supply must effectively suppress high-frequency noise and electromagnetic interference from the power grid. With excellent frequency characteristics, IDC3 capacitors achieve a loss factor (DF) of no more than 0.15 at a base frequency of 120Hz, effectively filtering out noise and ensuring the purity of the input power.

Power Factor Correction (PFC) Circuit: Modern server power supplies commonly use active PFC technology to improve energy efficiency. IDC3 capacitors provide energy buffering and filtering in this circuit. Their low equivalent series resistance (ESR) helps reduce energy loss and improve overall system efficiency. The product's impedance stability at 105°C ensures stable operation of the PFC circuit under varying load conditions.

DC-DC conversion circuit: Server power supplies need to provide multiple voltage outputs for different components, and the DC-DC converter is the core of this function. IDC3 capacitors provide the necessary energy storage and voltage stabilization in this process. Their high ripple current capability (e.g., 3750μA for a 500V/1500μF capacitor) ensures stable output voltage even under large load fluctuations.

Reliability Design and Long-Term Operation

The reliability of server power supplies is directly related to the stable operation of the entire data center. The IDC3 series capacitors are designed with long-term reliability in mind:

The product utilizes a special electrolyte formulation and sealing technology to effectively slow electrolyte drying, ensuring a service life of over 3000 hours. Furthermore, the capacitor's capacitance change rate is controlled within ±20% of the initial value in high-temperature environments, the loss tangent does not exceed 200% of the initial specification, and the leakage current remains within initial specifications. These indicators ensure stable performance throughout the product's lifecycle.

The IDC3 has also passed rigorous durability testing, demonstrating that all parameters remain within specification after being subjected to rated ripple current and voltage for 3000 hours at 105°C. Furthermore, after 1000 hours of storage at 105°C, changes in key parameters such as capacitance change rate, loss factor, and leakage current remained within acceptable limits, demonstrating its superior performance.

Adapting to the Special Needs of Server Power Supplies

Server power supplies generate significant heat during operation, often leading to high temperatures in data centers. The IDC3 series' ultra-low temperature characteristics ensure stable performance even in high-temperature environments. The product's temperature correction coefficient shows a ripple current correction factor of 1 at 105°C, meaning the capacitor maintains rated performance even in high-temperature environments.

In terms of frequency characteristics, the IDC3 exhibits excellent adaptability across various frequencies. From 50Hz to above 10kHz, the product's ripple current correction factor gradually increases from 0.8 to 1.4, enabling it to effectively handle the harmonic components of various frequencies found in server power supplies.

Safety and Environmental Protection

Safety is a top priority in server power supply design. The IDC3 series capacitors are designed with safety in mind: their insulation resistance exceeds 100MΩ and they can withstand 2000V AC for one minute without any issues. These features effectively prevent the risk of short circuits caused by capacitor breakdown, protecting the entire power supply system.

The IDC3 series also complies with the RoHS Directive and contains no hazardous substances such as lead, mercury, and cadmium, meeting the environmental requirements of modern electronic products. For large-scale data centers, this not only reduces the environmental burden but also complies with increasingly stringent environmental regulations in various countries.

Practical Application Value

In practical applications, the IDC3 series capacitors provide multiple benefits to server power supplies:

Energy Efficiency Improvement: Low ESR and low loss characteristics help reduce energy loss within the power supply, improving overall system efficiency. For large data centers with a large number of servers, even small efficiency improvements can result in significant energy savings.

Space Optimization: Their small size enables more compact power supply designs, helping to achieve high power density. This is particularly important in the limited space of modern data centers.

Enhanced Reliability: Their long lifespan and high-temperature stability reduce power supply failures caused by capacitor failure, improving overall server availability. For enterprise-level applications requiring high availability, this means less downtime and maintenance costs.

Reduced Total Cost of Ownership: While the initial cost may be slightly higher than that of standard capacitors, the long-term reliability and low failure rate of the IDC3 significantly reduce the total cost of ownership for servers.

Conclusion

The IDC3 series aluminum electrolytic capacitors, with their superior technical performance and reliability, provide strong support for server power supplies. In today's rapidly accelerating digital transformation, stable and efficient server power supplies are essential for ensuring the smooth operation of enterprise information systems. Choosing the IDC3 series capacitors is more than just selecting an electronic component; it provides a solid guarantee for the long-term stable operation of server systems.

With the rapid development of technologies such as 5G, artificial intelligence, and cloud computing, server performance requirements will continue to increase. Through technological innovation and process optimization, the IDC3 series capacitors will continue to meet the future demands for high efficiency, high density, and high reliability in server power supplies, contributing to the development of the digital economy.