Surface mount aluminum electrolytic capacitors, with their high-frequency, low impedance, high temperature resistance, and long lifespan characteristics, mainly undertake the following key functions in LED displays:

Power filtering and ripple suppression

By using high capacity (such as 330 μ F~1500 μ F) and low equivalent series resistance (ESR can be as 

low as 10m Ω or below), the low-frequency and high-frequency ripples in the LED driving power 

supply are effectively suppressed. For example, the Fulong FVM series (6.3V~50V) is compatible with 

high-density power modules for small pitch LED displays, reducing the risk of screen flicker and light 

decay.

Transient energy storage and dynamic response

In fast screen switching scenarios, Fulong Electronics' solid-state surface mount capacitors quickly

 release high currents (with ripple current resistance of 4960mA or more) through low ESR design, 

avoiding brightness fluctuations caused by voltage drops.

Stability in high temperature environment

Adopting a wide temperature design (-55 ℃~+105 ℃) and solid-state electrolyte technology (such 

as stacked polymer materials) to ensure long-term stable operation of outdoor LED displays under

 extreme temperatures.

2、 Product advantages and technical parameters

Ultra miniature packaging

Fulong Electronics' FVM series offers ultra small sizes (such as 5mm × 4.5mm, 6.3mm × 4mm) that are

 compatible with ultra-thin power supply designs for Mini/Micro LED displays, meeting high-density 

assembly requirements.

Long lifespan and high reliability

By optimizing the electrolyte formula (such as ethylene glycol based liquid or PEDOT solid), the

 product life can reach over 10000 hours (such as FPA series 2000 hour standard products and FBV

 series 10000 hour long-life products), significantly reducing maintenance costs.

Adaptation to Environmental Protection and Automation

The lead-free process and RoHS certified materials (such as environmentally friendly aluminum shell 

and rubber plug packaging) conform to the trend of green manufacturing, and support 260 ℃ lead-

free reflow soldering process, suitable for SMT automation production lines.

3、 Typical application scenarios

Small pitch LED display power module

Using FVM series (such as 16V/150 μ F) with low ESR design, it supports high-frequency signal

 transmission with 4K/8K resolution, reducing ghosting and noise.

Outdoor full-color advertising screen

Adopting high-voltage models (such as 50V/470 μ F) and wide temperature specifications 

(-40 ℃~+105 ℃) to ensure stable operation in humid and hot outdoor environments with large

 temperature differences.

4、 Technical Challenges and Solutions

Heat dissipation optimization

By using flat packaging (such as 5.4mm height) and aluminum shell thermal conductivity design,

 the local temperature rise problem of high-density LED modules is solved to prevent capacity decay.

Balancing Cost and Performance

By using domestically produced materials (such as replacing Japanese aluminum foil) and large-scale

 production (with an annual output of 1.2 billion pieces at the Jiangxi factory), the unit price can be

 reduced by more than 30% while maintaining a low ESR (<20m Ω).

5、 Future development direction

Materials Innovation

Develop high-frequency low impedance solid electrolytes (target ESR<5m Ω) to meet the ultra-high

 frequency driving requirements of future 8K/16K display screens.

Surface mount aluminum electrolytic capacitors have become the preferred component for LED 

display power systems due to their high-frequency performance, long lifespan, and ultra compact 

design. The continuous iteration of materials and intelligent technology in the future will further

 promote the development of the LED display industry towards high resolution and low power 

consumption.

About Us

Guangdong Fulong Electronic Technology Co., Ltd. is a private high-tech enterprise specializing in the research and development, manufacturing, and sales of aluminum electrolytic capacitors, certified by IATF16949，ISO9001, ISO14001, and ISO45001. The company has a building area of 17000 square meters and more than 50 automated production lines; The total investment is 50 million yuan (RMB), with more than 100 employees, including more than 20 engineering and technical, quality management, and production management personnel. The annual production of capacitors (4 * 5.4~16 * 21.5) is about 400 million pieces; Our products are mainly sold to domestic and international markets, and we strive to promote our company's products globally.

Jiangxi Fulong Electronic Technology Co., Ltd. is a wholly-owned subsidiary of Guangdong Fulong Electronic Technology Co., Ltd. established in Hukou County, Jiangxi Province with a total investment of 500 million yuan. It has 50 fully automated production lines and an annual output of approximately 1.2 billion capacitors (4 * 5.4~16 * 21.5).

Fulong Group has an international professional core technology research and development team for aluminum electrolytic capacitors and a global sales network. Rich experience in the design, research and development, and production management of aluminum electrolytic capacitors. The R&D team follows the technical design theory of aluminum electrolytic capacitors, complies with international and domestic legal and regulatory requirements (RoHs), and adheres to the highest international quality standards

Fulong Group has high-quality and stable raw material supply partners, and key raw materials (such as aluminum foil, electrolytic paper, etc.) are selected from well-known Japanese and Korean companies (KJCC KDKNKK, etc.), ensuring reliable and stable advantages in product quality, environmental protection, safety, and energy conservation.

Fulong Group has a group of highly qualified professional technicians and management personnel who can produce various series of sheet aluminum electrolysis products according to customer requirements. The products include high-frequency low impedance, low leakage, wide temperature, extremely low impedance, non-polar, ultra long life, medium high voltage long life, high reliability and other new types of special requirements for surface mount products; At the same time, the company's products can withstand a soldering temperature of 260 ℃, meeting the lead-free reflow soldering technology required for SMT in the whole machine factory. All technical indicators of the products have reached or exceeded the international level of similar products.

While strengthening management and expanding operational scale, Fulong Group is also committed to improving its competitiveness and customer satisfaction, continuously and steadily increasing customer and social trust, continuously meeting market demand, further optimizing environmental management and expanding social contributions, and developing together with the electronics industry.

Guangdong Follon Electronic Technology Co., Ltd.

Jiangxi Follon Electronic Technology Co., Ltd.

Address: Building 3, South District, Haishan Science and Technology Park, Hukou County, Jiujiang City, Jiangxi Province

www.follon.com

Professional manufacturer of high-quality surface mount electrolytic capacitors