SM

SM Series Supercapacitors: A High-Performance Energy Storage Solution

The trend toward miniaturization and increased efficiency in today's electronic devices places higher demands on energy storage components. As a high-performance product meticulously crafted by YMIN Electronics, the SM series supercapacitors, with their unique epoxy resin encapsulation process, excellent electrical performance, and wide application adaptability, are an ideal choice for many high-end electronic devices. This article will delve into the technical features, performance advantages, and outstanding performance of the SM series supercapacitors in practical applications.

Breakthrough Packaging Technology and Structural Design

The SM series supercapacitors utilize advanced epoxy resin encapsulation technology. This innovative design offers multiple advantages. First, the epoxy resin encapsulation provides excellent mechanical strength and vibration resistance, enabling the product to withstand mechanical stress in harsh environments. Second, this encapsulation provides excellent sealing, effectively preventing the ingress of moisture and contaminants, improving long-term product reliability. Finally, the compact package size enables the SM series to maximize performance within a limited space.

Available in sizes of 18.5×10mm and 22.5×11.5mm, with pin pitches of 11.5mm and 15.5mm, and a lead diameter of 0.6mm, the SM series is designed to accommodate high-density circuit board layouts. From ultra-thin smart devices to compact industrial controllers, the SM series offers perfect mounting compatibility.

Excellent Electrical Performance

The SM series supercapacitors offer exceptional electrical performance. Available in capacitance values ​​ranging from 0.5F to 5F, they meet the diverse needs of diverse application scenarios. Their low equivalent series resistance (ESR) of 100mΩ significantly improves energy conversion efficiency.

The products also offer exceptional leakage current control, achieving a minimum of 2μA over 72 hours. This ensures minimal energy loss during standby or storage mode, significantly extending system operational time. After 1000 hours of continuous endurance testing, the product's ESR did not exceed four times its initial nominal value, demonstrating its exceptional long-term stability. Wide-temperature operation is another outstanding feature of the SM series. The product maintains excellent performance over 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 Meters and IoT Devices

In the smart grid sector, the SM series supercapacitors play a key role. Their long lifespan perfectly matches the 10-15 year lifespan of smart meters, providing data retention and clock holdover during power outages. In IoT terminal devices, the SM series provides energy buffering for sensor nodes, ensuring reliable data collection and transmission. Its low leakage current is particularly suitable for applications requiring long standby periods.

Consumer Electronics

In the high-end consumer electronics sector, the SM series supercapacitors are widely used in smart wearables, digital products, and home appliances. In smartwatches, they provide energy for instantaneous high-power functions like heart rate monitoring and GPS positioning; in digital cameras, they offer fast charging for flashlights; and in smart home devices, they ensure data security and rapid recovery during power outages.

Industrial Control Systems

In industrial automation, the SM series provides backup power for control systems like PLCs and DCSs, ensuring program and data security during power outages. Its shock resistance and wide operating temperature range make it suitable for the demanding demands of industrial environments. In CNC machine tools, robotics, and other equipment, the SM series supports energy recovery in servo systems.

Communications Equipment

In the communications sector, SM series supercapacitors are used as backup power supplies for base stations, network switches, and communication modules. Their rapid charge and discharge characteristics enable them to support instantaneous high currents, ensuring uninterrupted communications. The SM series' compact size is particularly important in 5G small base stations and IoT communication modules.

Automotive Electronics Systems

In automotive electronics, the SM series provides energy buffering for critical systems like ECUs and ABS. Its shock resistance and wide operating temperature range fully meet the stringent requirements of automotive electronics. In intelligent driving systems, they provide stable energy support for sensors and processors.

Technological Innovation and Performance Advantages

High Energy Density

The SM series supercapacitors utilize advanced electrode materials and electrolyte formulations to achieve high energy density. This allows them to store more energy in a limited space, providing longer backup time for devices.

High Power Density

They offer excellent power output capabilities, capable of delivering high current output in an instant. This feature is particularly suitable for applications requiring instantaneous high power, such as motor starting and flash discharge.

Fast Charge and Discharge Capability

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

Extremely Long Cycle Life

The SM 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 the RoHS Directive, contains no heavy metals or other hazardous substances, and is highly recyclable, meeting the environmental requirements of modern electronic products.

Application Design Guide

When selecting SM series supercapacitors, engineers need to consider multiple factors. First, they should select 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 it does not exceed the product's rated value.

In terms of circuit design, it is recommended to implement an appropriate voltage limiting circuit to prevent overvoltage damage. 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 operating condition. When used in high-temperature environments, appropriately reducing the operating voltage can extend the product's lifespan.

During installation layout, pay attention to mechanical stress on the leads and avoid excessive bending. It is recommended to connect an appropriate voltage regulator 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

SM 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, the demand for compact energy storage components will continue to grow. The SM series supercapacitors will continue to develop towards higher energy density, smaller size, and lower cost. The application of new materials and processes will further enhance product performance and expand its application areas.

In the future, the SM 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

With their compact size, excellent performance, and reliable quality, the SM series supercapacitors have become an indispensable key component in modern electronic devices. Whether in smart meters, consumer electronics, industrial control, or communications equipment, the SM series provides excellent solutions.

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