SDM

SDM Series Supercapacitors: A Modular, High-Performance Energy Storage Solution

Amidst the current wave of intelligent and efficient electronic devices, innovation in energy storage technology has become a key driver of industry progress. The SDM series supercapacitors, a modular, high-performance product from YMIN Electronics, are redefining the technical standards for energy storage devices with their unique internal series structure, superior electrical performance, and wide application adaptability. This article will comprehensively analyze the technical characteristics, performance advantages, and innovative applications of the SDM series supercapacitors in various fields.

Breakthrough Modular Design and Structural Innovation

The SDM series supercapacitors utilize an advanced internal series structure, an innovative architecture that offers multiple technical advantages. This modular design enables the product to be offered in three voltage options: 5.5V, 6.0V, and 7.5V, perfectly matching the operating voltage requirements of various electronic systems. Compared to traditional single-cell supercapacitors, this internal series structure eliminates the need for external balancing circuits, saving space and improving system reliability.

The product offers a wide range of sizes, ranging from Φ5×10mm to Φ18×36mm, providing customers with tremendous flexibility. The SDM series' sophisticated structural design maximizes performance within a limited space. Its optimized pin pitch (7-26mm) and fine lead diameter (0.5-0.8mm) ensure stability and reliability during high-speed automated placement.

Excellent Electrical Performance

The SDM series supercapacitors offer exceptional electrical performance. Capacitance values ​​range from 0.1F to 30F, meeting the diverse needs of various applications. Their equivalent series resistance (ESR) can reach as low as 30mΩ. This ultra-low internal resistance significantly improves energy conversion efficiency, making them particularly suitable for high-power applications.

The product's excellent leakage current control ensures minimal energy loss during standby or storage mode, significantly extending system operational time. After 1000 hours of continuous endurance testing, the product maintained a capacitance change rate within ±30% of the initial value, and an ESR no more than four times the initial nominal value, demonstrating its exceptional long-term stability.

Wide operating temperature is another outstanding feature of the SDM series. The product maintains excellent performance across a temperature range of -40°C to +70°C, with a capacitance change rate of no more than 30% at high temperatures and an ESR of no more than four times the specified value at low temperatures. This wide temperature range enables it to withstand a variety of harsh environmental conditions, expanding its application range.

Wide Applications

Smart Grid and Energy Management

In the smart grid sector, the SDM series supercapacitors play a key role. Their modular high-voltage design enables direct matching with the operating voltage of smart meters, providing data retention and clock retention during power outages. In distributed energy systems within smart grids, the SDM series provides instantaneous power support for power quality regulation, effectively smoothing out fluctuations in renewable energy generation.

Industrial Automation and Control Systems

In industrial automation, the SDM series provides a reliable backup power source for control systems such as PLCs and DCSs. Its wide temperature range enables it to withstand the demanding requirements of industrial environments, ensuring program and data security during sudden power outages. In CNC machine tools, industrial robots, and other equipment, the SDM series provides a perfect solution for energy recovery and instantaneous high-power demands in servo systems.

Transportation and Automotive Electronics

In new energy vehicles, the SDM series supercapacitors provide energy support for intelligent start-stop systems. Their modular high-voltage design directly meets the voltage requirements of automotive electronic systems. In rail transit, the SDM series provides backup power for onboard electronic equipment, ensuring reliable operation of train control systems. Its shock resistance and wide operating temperature range fully meet the stringent requirements of the transportation industry.

Communications Equipment and Infrastructure

In the 5G communications sector, the SDM series supercapacitors are used as backup power supplies for base station equipment, network switches, and communication modules. Their modular design provides the required voltage levels, providing reliable energy for communications equipment. In IoT infrastructure, the SDM series provides energy buffering for edge computing devices, ensuring continuous data collection and transmission.

Medical Electronics

In the medical equipment sector, the SDM series provides energy support for portable medical devices. Its low leakage current is particularly suitable for medical devices that require long standby periods, such as portable monitors and insulin pumps. The product's safety and reliability fully meet the stringent requirements of medical electronic equipment.

Technical Advantages and Innovative Features

High Energy Density

The SDM series supercapacitors utilize advanced electrode materials and electrolyte formulations to achieve high energy density. Their modular design allows them to store more energy within a limited space, providing extended backup time for equipment.

High Power Density

They offer excellent power output capabilities, capable of delivering high current output instantly. This feature is particularly suitable for applications requiring instantaneous high power, such as motor starting and device wake-up.

Fast Charge and Discharge Capability

Compared to traditional batteries, the SDM series supercapacitors offer extremely fast charge and discharge speeds, completing a charge in seconds. This feature excels in applications requiring frequent charge and discharge, significantly improving equipment efficiency.

Extremely Long Cycle Life

The SDM series supports tens of thousands of charge and discharge cycles, far exceeding the lifespan of traditional batteries. This feature significantly reduces the lifecycle cost of equipment, especially in applications with difficult maintenance or high reliability requirements.

Environmental Friendliness

This product fully complies with RoHS and REACH directives, contains no heavy metals or other hazardous substances, and is highly recyclable, meeting the environmentally friendly requirements of modern electronic products.

Application Design Guide

When selecting an SDM series supercapacitor, engineers need to consider several factors. First, they should select a model with an appropriate rated voltage based on the system's operating voltage requirements, and it is recommended to leave a certain design margin. For applications requiring high power output, it is necessary to calculate the maximum operating current and ensure that the product's rated value is not exceeded.

In terms of circuit design, although the SDM series features an internal series structure with built-in balancing, it is recommended to add an external voltage monitoring circuit in high-temperature or high-reliability applications. For applications with long-term continuous operation, it is recommended to regularly monitor the capacitor's performance parameters to ensure that the system is always in optimal working condition.

During installation layout, pay attention to mechanical stress on the leads and avoid excessive bending. It is recommended to connect an appropriate voltage stabilization circuit in parallel across the capacitor to improve system stability. For applications requiring high reliability, rigorous environmental testing and life verification are recommended.

Quality Assurance and Reliability Verification

The SDM series supercapacitors undergo rigorous reliability testing, including high-temperature and high-humidity testing, temperature cycling testing, vibration testing, and other environmental tests. Each product undergoes 100% electrical performance testing to ensure that every capacitor delivered to customers meets design standards.

Products are manufactured on automated production lines, coupled with a comprehensive quality control system, ensuring product consistency and reliability. From raw material procurement to finished product shipment, every step is rigorously controlled to ensure consistent product quality.

Future Development Trends

With the rapid development of emerging technologies such as the Internet of Things, artificial intelligence, and 5G, demand for modular energy storage components will continue to grow. The SDM series supercapacitors will continue to evolve towards higher voltage levels, higher energy density, and more intelligent management. The application of new materials and processes will further enhance product performance and expand its application areas.

In the future, the SDM series will focus more on system integration, providing a more complete intelligent energy management solution. The addition of wireless monitoring and intelligent early warning functions will enable supercapacitors to achieve greater effectiveness in various application scenarios.

Conclusion

With its modular design, superior performance, and reliable quality, the SDM series supercapacitors have become an indispensable key component in modern electronic devices. Whether in smart grids, industrial control, transportation, or communications equipment, the SDM series provides outstanding solutions.

YMIN Electronics will continue to be committed to the innovation and development of supercapacitor technology, providing superior products and services to customers worldwide. Choosing the SDM series supercapacitors means not only choosing a high-performance energy storage device, but also choosing a reliable technology partner. With the continuous advancement of technology and the expansion of its application areas, the SDM series supercapacitors will play an even more important role in future electronic devices, making a significant contribution to the advancement of energy storage technology.