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Large scale switching power capacitor are core components designed to meet the demands of harsh industrial environments and high power density. Their characteristics are mainly reflected in the following aspects:
High power density and compact structure
By adopting optimized internal design and material technology, high capacitance and high voltage resistance can be achieved within a limited volume, meeting the compact spatial layout requirements of large power equipment.
Excellent electrical performance and low loss
Having extremely low equivalent series resistance (ESR) and parasitic inductance (ESL), it can efficiently suppress high-frequency ripple, withstand large current surges, and significantly reduce system temperature rise and energy loss.
Excellent reliability and environmental adaptability
Usually, metal shell full sealing, flame-retardant epoxy sealing and other processes are used, which have good moisture resistance, earthquake resistance, high temperature resistance and electrical stress resistance, ensuring long-term stable operation in complex environments such as industrial sites and outdoor base stations.
High ripple current resistance and long service life
Supports continuous high ripple current operation, slow capacitor decay, and a lifespan of tens of thousands to over 100000 hours, significantly reducing system maintenance frequency and operating costs.
Support customized design and system integration
Different terminal forms (screws, solder pads, busbars), installation methods, and electrical parameters can be customized according to specific application needs, and can be integrated into capacitor modules to simplify system assembly and heat dissipation management.
Large scale switching power capacitors are widely used in data center power supplies, industrial frequency converters, high-power UPS, energy storage PCS, electroplating/welding power supplies, and other applications. They are a key component to ensure efficient, reliable, and continuous operation of the system.
| Reference | GB/T17702, IEC61071 |
| Capacitance | 550~10000 μF |
| Capacitance Tol. | ±5% (J), ±10% (K) |
| Voltage | 400V.DC~5000V.DC |
| UT-T | 1.5Un/60S |
| Over Voltage | 1.1Un (30% of on-load-dur) |
| 1.15Un (30min/day) | |
| 1.2Un (5min/day) | |
| 1.3Un (1min/day) | |
| tg δ 0 | ≤0.0020 100Hz |
| RiXCn | ≥5000S (25℃±5℃ 100V.DC 60S) |
| Climatic Category | 40/85/21 |
| Operating Temp. | -40℃~85℃ |
| Max.Altitude | <4000m |
| Lifetime Expectancy | 100000h |
| Encapsulation | Metal casing, encapsulated with epoxy resin |
| Flame retardation | UL94V-0 |
Large scale switching power capacitors are widely used in key equipment such as data center server power supplies, communication base station power supplies, industrial frequency converters, high-power UPS/EPS systems, photovoltaic/energy storage converters, special electroplating and welding power supplies, etc. They mainly undertake functions such as DC bus support, high-frequency filtering, harmonic suppression and energy buffering, which can effectively improve the power density, stability and energy efficiency performance of power systems。
Foshan Piner Electronics Co., Ltd. is a professional manufacturer specializing in the research and development, production, sales, and high-end quality of film capacitors, CBB capacitors, X2 safety capacitors, CL capacitors, calibration capacitors, high-voltage capacitors, power electronic capacitors, new energy capacitors, DC Link DC support energy storage filtering capacitors, and other series of products. The company currently has a 10000 square meter standard independent factory located in Shunde District, Foshan City, with a monthly output of 10 million and an annual output of over 100 million units. It can fully meet the fast delivery needs of many customers and provide one-stop capacitor product production and sales services. The company has always adhered to the business philosophy of "reliable quality, fast delivery time, gratitude and altruism".
We currently have advanced fully automated production lines, testing equipment, and production technology with high standards in China. At the same time, we will continue to promote technological innovation and quality upgrades, with high standard production capacity and timely supply capability. Our main products include metalized polyethylene glycol CL capacitor series and metalized polypropylene CBB capacitor series, X2 safety capacitor series, resistance capacitance step-down capacitor series, horizontal capacitor series, new energy DC Link capacitor, AC filter capacitor, filter capacitor, coupling DC blocking capacitor, IGBT buffer absorption capacitor, MKPH high-voltage resonant capacitor, and can be customized according to customers' non-standard requirements for research and development design. The company currently has more than 1000 employees, including more than 500 engineering and quality management personnel, integrating research and development, production, and sales. It is an enterprise with advanced technology, reliable quality, complete specifications, and strong production capacity for full series supporting.
Our products are popular among well-known domestic and foreign enterprises and have established good business relationships. They are widely used in wireless charging, speakers, splitters, audio and visual products, network communication (routers, converters, set-top boxes), IT information equipment, instruments and meters, LED lighting and lighting products, LED driver power supplies and switch power supplies, 5G commercial and household appliances, motor and motor products, power tools, new energy vehicle specifications, photovoltaic solar energy and new energy industries, security industry products and other related electronic products. Our products sell well worldwide and have become the core supplier of capacitors for benchmark enterprises in various fields
CQC, UL, IS09000, TS16949 and other safety certification and quality system certification, IS09001-2015 quality management system certification, MKPX2 safety capacitor series has passed UL certification in the United States, CUL certification in Canada, VDE certification in Germany and CQC certification in China. The company's products comply with the latest environmental requirements of the European Union and meet RoHS and REACH directive standards
The small package will be sent by express delivery, such as DHL, UPS, TNT, FedEx, etc. We can also air or sea freight according to your requirements
Guangdong Haoer Electronics Co., Ltd. and Foshan Piner Electronics Co., Ltd. are not only leading manufacturers of high-frequency transformers and capacitors, but also reliable partners for complete technical solutions. We firmly believe that high-quality products are the foundation for achieving cooperation, while professional, efficient, and reliable full cycle services are the key to project success and sustained win-win outcomes.
To this end, we have established a comprehensive service system that runs through the entire process of pre-sales, in sales, and after-sales:
Professional pre-sales consultation - Our technical team can intervene in the initial stage of the project to provide you with selection support and solution optimization, ensuring accurate and feasible design.
Reliable in sales delivery - entering the production and delivery stage, we strictly implement quality control and delivery time management to ensure that every batch of products arrives in your hands on time, with quality and quantity.
Comprehensive after-sales support - delivery is not the end of service. We have a dedicated customer service channel (hotline/email) to quickly respond to various technical inquiries and usage support, providing you with lasting peace of mind.
Choosing us means not only obtaining high-quality electronic components, but also having a stable, professional, and responsible technical support. In the rapidly changing field of power electronics, we will help you focus more on core innovation and move forward together.
Q:Are you a manufacturer or a trading company?
A: We are a professional manufacturer with in-house R&D, production lines, and quality control systems. OEM/ODM services are available.
Q:Are your products compliant with international certifications?
A: Yes, our capacitors comply with RoHS and REACH regulations, and test reports are available. Some series are certified to UL and IEC standards.
Q: What is the minimum order quantity (MOQ)?
A: MOQ for standard products is 50-100pcs, depending on the model. Sample orders are welcome.
Q: What is the lead time?
A: Standard lead time is 3-4 weeks. Expedited delivery is available for urgent orders.
Q: What payment terms do you accept?
A: We accept T/T, L/C, and flexible terms based on mutual agreement.
Address
C3 2 -4 81 Xijiao Road, Ronggui Sub-district, Foshan City, 2-4/F, Building C3, Zhongjian Chuangkeyuan, China
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