SDS

SDS Series Supercapacitors: Radial-Leaded, High-Performance Energy Storage Solutions

In today's era of electronic devices striving for efficiency and reliability, the choice of energy storage components directly impacts the performance of the entire system. The SDS series supercapacitors, meticulously crafted from YMIN Electronics, feature a unique wound structure, superior electrical performance, and excellent environmental adaptability, providing reliable energy for a wide range of electronic devices. This article will comprehensively analyze the technical characteristics, performance advantages, and innovative applications of the SDS series supercapacitors in various fields.

Groundbreaking Structural Design and Technical Features

The SDS series supercapacitors utilize an advanced wound structure. This innovative architecture achieves maximum energy storage density within a limited space. The radial-leaded package is compatible with traditional through-hole assembly processes, providing a seamless fit for existing production equipment. Product diameters range from 5mm to 18mm, and lengths from 9mm to 40mm, providing customers with a wide range of options to meet the size requirements of diverse application scenarios.

Precision lead diameters, ranging from 0.5mm to 0.8mm, ensure both mechanical strength and soldering reliability. The product's unique internal structure design enables it to maintain a compact size while achieving mA-level continuous discharge capability, making it ideal for applications requiring long-term, low-current power delivery.

Excellent Electrical Performance

The SDS series supercapacitors offer exceptional electrical performance. With a rated operating voltage of 2.7V and a capacitance range from 0.5F to 70F, they cover a wide range of application requirements. Their ultra-low equivalent series resistance (ESR) can reach as low as 25mΩ, significantly improving energy conversion efficiency and making them particularly suitable for applications requiring instantaneous high-current output.

The product also boasts excellent leakage current control, achieving a minimum leakage current of just 2μA over 72 hours. This feature ensures extremely low energy loss during standby or storage mode, significantly extending the system's operational life. 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, fully demonstrating its excellent long-term stability.

Environmental adaptability is another outstanding advantage of the SDS series. The product's operating temperature range covers -40°C to +70°C, making it suitable for a variety of harsh environmental conditions. In high-temperature environments, the capacitance change rate does not exceed 30%, and in low-temperature environments, the ESR does not exceed four times the specified value. Furthermore, the product exhibits excellent moisture resistance, maintaining excellent electrical characteristics after 500 hours of testing at +25°C and 90% relative humidity.

Wide Applications

Smart Metering and IoT Terminals

The SDS series supercapacitors play an irreplaceable role in smart metering devices, such as electricity, water, and gas meters. Their long lifespan perfectly matches the 10-15 year lifespan requirements of smart meters, providing data retention and clock retention during power outages. In IoT terminal devices, the SDS series provides energy buffering for sensor nodes, ensuring reliable data acquisition and transmission. Its low-current discharge characteristics are particularly suitable for low-power applications requiring long-term standby.

Industrial Automation and Control

In the industrial control field, the SDS series provides a reliable backup power source for control systems such as PLCs and DCSs. Its wide operating temperature range enables it to withstand the demanding demands of industrial environments, ensuring program and data security during sudden power outages. In industrial sensors, data loggers, and other devices, the SDS series provides stable energy support for signal conditioning and data processing. Its shock resistance and environmental adaptability fully meet the stringent requirements of industrial applications.

Automotive Electronics and Transportation

In automotive electronics, the SDS series supercapacitors provide energy support for body control modules, entertainment systems, and driver assistance systems. Its high-temperature resistance meets the environmental requirements of automotive electronics, and its radial-leaded package is compatible with automotive electronics production processes. In rail transportation, the SDS series provides backup power for onboard electronic devices, ensuring reliable operation of train control systems.

Consumer Electronics
In consumer electronics such as digital cameras, portable audio devices, and smart home products, the SDS series supercapacitors provide instantaneous power support and data retention. Their compact size is particularly suitable for space-constrained portable devices, providing greater flexibility in product design. In devices such as remote controls and smart door locks, the SDS series ensures the ability to meet high current demands during long periods of standby operation.

Communications and Network Equipment
In communications equipment, network switches, and data transmission equipment, the SDS series supercapacitors provide backup power and instantaneous power support. Their stable performance and excellent temperature characteristics make them suitable for the operating environments of communications equipment. In fiber optic network equipment, the SDS series ensures data preservation and safe system shutdown during sudden power outages.

Technical Advantages and Innovative Features

High Energy Density
The SDS series supercapacitors utilize advanced electrode materials and electrolyte formulations to achieve high energy density. The wound structure allows for greater energy storage within a limited space, providing extended backup time for equipment.

Excellent Power Characteristics
These products offer excellent power output capabilities, capable of delivering high currents instantaneously. Their low ESR ensures efficient energy conversion, making them particularly suitable for applications requiring instantaneous high power.

Long Cycle Life
The SDS 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.

Wide Operating Temperature Range
The product maintains excellent performance across a wide temperature range of -40°C to +70°C. This wide temperature range enables it to adapt to a variety of harsh environmental conditions, expanding its application range.

Environmental Friendliness
The product fully complies with RoHS and REACH directives, contains no hazardous substances such as heavy metals, and is highly recyclable, meeting the environmental requirements of modern electronic products.

Application Design Guide

When selecting SDS series supercapacitors, design engineers need to consider several factors. First, they should select the appropriate dimensions based on the circuit board layout space to ensure compatibility with surrounding components. For applications requiring low current for long periods of time, the maximum operating current should be calculated to ensure that the product rating is not exceeded.

In PCB design, it is recommended to reserve sufficient lead hole space to ensure secure mounting. The soldering process requires strict temperature and time control to prevent excessive temperatures from damaging product performance. For applications requiring high reliability, thorough environmental testing and verification, including temperature cycling and vibration testing, is recommended.

During use, it is recommended to avoid operating beyond the rated voltage to ensure long-term product reliability. For applications in high-temperature or high-humidity environments, it is recommended to implement appropriate protective measures to improve overall system reliability.

Quality Assurance and Reliability Verification

The SDS series supercapacitors undergo rigorous reliability testing, including high-temperature storage, temperature cycling, humidity resistance, 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 with a comprehensive quality control system to ensure 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 technologies such as the Internet of Things, artificial intelligence, and new energy, demand for radial-lead supercapacitors will continue to grow. The SDS series will continue to develop towards higher energy density, smaller size, and higher operating temperature. The application of new materials and processes will further enhance product performance and expand its application areas.

In the future, the SDS series will focus more on system integration to provide more complete solutions. The addition of intelligent management features will enable supercapacitors to achieve greater effectiveness in various application scenarios.

Conclusion

The SDS series supercapacitors, with their radial leaded packaging, superior performance, and reliable quality, have become an indispensable key component in modern electronic devices. Whether in smart metering, industrial control, automotive electronics, or consumer products, the SDS series provides excellent 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 SDS 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 SDS series supercapacitors will play an even more important role in future electronic devices, making a significant contribution to the advancement of energy storage technology.