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Medium material: The Metalized Polypropylene Film Industrial Capacitor produced by Piner Electroni factory uses polypropylene (PP).
Very low loss: The dielectric loss factor (tanδ) is extremely small, generating little heat at high frequencies and having high efficiency.
High dielectric strength: Good withstand voltage performance.
Negative temperature coefficient: Capacity slightly decreases with temperature increase, and the stability is good.
Low water absorption rate: Not prone to moisture absorption, and the performance is stable.
Self-healing property: This is one of Metalized Polypropylene Film Industrial Capacitor's greatest advantages. When a local breakdown occurs in the medium, the instantaneous huge current at the breakdown point will cause the surrounding metal layers to evaporate and oxidize, thereby isolating the fault point, and the capacitor can continue to work (with a slight decrease in capacity). This greatly improves reliability.
Small size and light weight: Compared to metal foil electrodes, the evaporated metal layer is extremely thin, so the volume is smaller for the same capacity. Structural type
Coil type: The most common method, where two layers of metallized films are stacked and then wound into a core.
Stacked type: Multiple films are stacked parallelly, which can reduce parasitic inductance and is more suitable for high-frequency applications.
High voltage resistance: ranging from several hundred volts to several thousand volts AC/DC.
Low loss (low ESR): particularly suitable for high-frequency and high-current applications.
Excellent frequency characteristics: the capacity remains stable over a wide frequency range.
High insulation resistance: self-discharge is slow.
Good temperature stability: typically operates stably within the range of -40℃ to +85℃ or 105℃.
Long lifespan and high reliability: thanks to the self-healing property and stable materials.
New energy: Photovoltaic inverter, wind power converter, energy storage system (PCS).
Industrial transmission: Frequency converter, servo driver.
Rail transportation: Traction inverter, auxiliary power supply.
Electric vehicles: On-board charger (OBC), motor driver, DC-DC converter.
Power electronics: Different power supplies (UPS), medium and high-frequency induction heating, welding power supply.
Power quality: Active power filter (APF), static var generator (SVG).
Foshan Piner Electronic Co., Ltd. is a high-tech enterprise specializing in the research and development, design, manufacturing, marketing, and after-sales support of thin-film capacitors for new energy applications. Its core product portfolio comprises:
• DC-Link Capacitors
• IGBT Snubber/Protection Capacitors
• MKPH Series High-Voltage Resonant and Coupling Capacitors
• AC Input/Output Filter Capacitors
These Metalized Polypropylene Film Industrial Capacitor are extensively deployed in industrial and power electronics systems—including induction heating equipment, uninterruptible power supplies (UPS), high-frequency switched-mode power supplies, welding power sources, electroplating rectifiers, photovoltaic inverters, wind turbine converters, high-power variable-frequency drives (VFDs), and electric vehicle traction systems. Notably, they play a critical enabling role in key new energy sectors such as solar photovoltaics, wind power generation, and power conversion and frequency control infrastructure.
Guided by the corporate philosophy of "credibility as the foundation, customers at the center, market orientation, quality as the cornerstone, and service as the driver, " the company continuously refines its product performance, manufacturing processes, and technical support capabilities. It is committed to delivering robust, high-efficiency capacitor solutions that meet stringent application requirements—thereby ensuring long-term reliability and maximizing customer satisfaction.
Our company has fully passed the ISO9001:2015 quality management system certification and has established a quality control process in line with international standards. For specific products, the MKPX2 safety capacitor series has obtained multiple national safety certifications such as UL in the United States, CUL in Canada, VDE in Germany, and CQC in China. At the same time, all of our company's products strictly follow the EU environmental protection directives and meet the latest requirements of RoHS and REACH standards.
The goods will be dispatched through courier channels such as DHL, UPS, TNT, FedEx, etc. You can also choose air or sea transportation methods according to your needs.
Little Bear, Delmar, Meishel, Dongling Weiyou, Yaxuel, Lianrui, Jiewei, Yingke, Yu Long, Tuohao
1. Please provide the following information as much as possible:
1. Application scenarios: such as UPS, frequency converters, rectifiers, etc.
2. Rated capacity and allowable deviation
3. Voltage: including rated voltage, working voltage, ripple voltage, non-periodic impact voltage, etc.
4. Current: including maximum current, working current, maximum peak current, maximum impact current, etc.
5. Frequency: including working frequency, pulse frequency, frequency of ripple voltage, etc.
6. Working place: such as fixed locations, vehicles, ships, etc.
7. Working environment: such as temperature range, humidity, altitude, cooling method, etc.
8. Product size: such as diameter, height or length, width, height, etc.
9. Terminal type: such as bolt type, screw hole type, terminal piece, plug type, etc.
10. Safety requirements: such as flame retardancy, explosion-proof, etc.
11. Expected lifespan: the expected lifespan under given working conditions
12. Installation method: such as bottom bolt, middle clamp ring, mounting ears, etc.
13. Other
1. Product Usage Notes
1) The selection of Metalized Polypropylene Film Industrial Capacitor depends on the maximum voltage applied and is affected by current, frequency, and the usage environment.
2) Generally, the external packaging of film capacitors uses fire-resistant and flame-retardant materials (such as flame-retardant casings, flame-retardant epoxy, etc.). However, if exposed to continuous high temperatures or flames, the capacitor core may shrink and deform, causing the casing to rupture, or even the core to melt or burn.
2. Product Storage Instructions
1) Do not store in environments with high temperature and high humidity. It is recommended to store under the following conditions:
Temperature: ≤ 35℃
Humidity: ≤ 80% RH, no condensation is allowed.
2) Do not store in environments with corrosive gases, such as sulfides, acids, alkalis, salts, and organic solvents.
3) Without opening the original packaging, the storage time of the product should not exceed 24 months (counted from the date on the packaging or the body of the product).
Q: Are you a manufacturer or a trading company?
A: We are a professional manufacturer with our own R&D, production lines, and quality control system. We support OEM/ODM services and provide direct factory pricing.
Q: What certifications do your products have?
A: Our products comply with international standards such as RoHS, REACH, and are certified by UL, CUL, VDE, CQC where applicable. Our factory is ISO 9001:2015 certified.
Q: Can you provide customized capacitors?
A: Yes. We offer customization in capacitance, voltage, size, terminals, and packaging based on your circuit and mechanical requirements.
What is your MOQ and sample policy?
A: MOQ is typically 50–100pcs depending on the model. Samples are available for evaluation, with shipping cost borne by the client.
Address
C3 2 -4 81 Xijiao Road, Ronggui Sub-district, Foshan City, 2-4/F, Building C3, Zhongjian Chuangkeyuan, China
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