Best Power Electronics Manufacturing Suppliers
Wuxi Cre New Energy Technology Co., Ltd.
🇨🇳 China
2011201-300 peopleManufacturer/Trading CompanyHigh-tech enterprise
Patented technology
OEM manufacturer
ODM manufacturer
Shipments
472
Key customer
DESAI ELECTRONIC
Key market
🇺🇸 United States
Review
5
AC Power Capacitor for Power Electronics Equipment$1.8
High Voltage Capacitors for Power Electronics Circuit IEC61071$200
600UF 1200V DC Link Capacitor for Power Electronics$10
Power Electronic DC Link Capacitor for Welding Machine$0.6
Popular Cylinder Power Electronic Capacitor with Best Price$5
Dry Type DC Support Capacitor for Power Electronics$10
Three Phase Metallized AC Film Capacitor for Power Electronics$60
0.47UF 1200V Absorption Protection IGBT Film Capacitor for Power Electronics$1.2
High Voltage DC Link MKP Film Capacitor for Power Electronics$3.8
High Pulse Current DC-Link 4 Pins Power Electronic Film Capacitor$1.2
Customized Pfc AC Power Capacitor$200
40UF 1100VDC Power Film Capacitor$2
Bengbu Doublecircle Electronics (Group) Co., Ltd.
🇨🇳 China
1966501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
Own brand
Patented technology
Shipments
22
Key customer
LOGISTICS PLUS
Key market
🇺🇸 United States
Description
Bengbu Doublecircle Electronics (Group) Co., Ltd. is a prominent manufacturer and national high-tech enterprise established in 1966, headquartered in the High-tech Industrial Development Zone of Bengbu, Anhui Province. With over 50 years of industry experience and a workforce of 501 to 1,000 employees, the company has established itself as a backbone of China's electronic component sector, consistently ranking among the country's top 100 electronic component enterprises since 2009. The group operates an 80,000-square-meter facility and maintains several subsidiaries, including partnerships with international entities like Germany's SRT company.
The company specializes in the R&D and production of a comprehensive range of passive components and electromechanical devices. Its core product portfolio includes precision chip resistors, metal film resistors, wirewound resistors, thick film resistors, and high-power resistor cabinets. Additionally, they manufacture inductors, high-voltage DC relays, magnetic contactors, and automotive electronic products such as PDUs and BDUs. These components serve critical applications in aerospace, rail transit, new energy vehicles, industrial automation, and consumer electronics. Notably, their precision resistors have been utilized in major national projects, including the Shenzhou manned space missions.
Doublecircle Electronics maintains rigorous quality standards, holding certifications such as ISO 9001, ISO 14001, ISO 45001, IATF 16949, and ISO 50001. Their products comply with international safety and environmental standards, including UL, CE, CQC, RoHS, and AEC-Q200 for automotive applications. With a strong focus on innovation, the company operates provincial-level technology centers and holds over 120 national patents. They maintain long-term supply relationships with global industry leaders such as GE, ABB, Siemens, Volkswagen, and Haier, exporting extensively to markets in North America, Europe, and Southeast Asia.
Rx23 Ceramic Case Wirewound Resistors
Fl-2 Precision Shunts
Shenzhen Golden Electrical Appliances Co., Ltd.
🇨🇳 China
2003501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
OEM manufacturer
ODM manufacturer
Shipments
176
Key customer
LUMINOUS POWER TECHNOLOGIES
Key market
North America
Review
5
12 Volt Spst 10A 250Vac 12A 125Vac 4 Pin 0.2W Alternative to 0241Dt Relay Switching Current up to 16A Power Relay$0.19
12 Volt Spst 10A 250Vac 12A 125Vac 4 Pin 0.2W 0.45W Alternative to 0241Dt Relay Switching Current up to 16A Power Relay$0.19
Golden GH-1C-24L HF3Fa 3Fd 24V 5Pin 10A 0.36W/0.45W/0.8W 10A/250Vac T73 Rele Smart Ups Relay Home Appliances Power Supply Ovens$0.16
Relay T92P7D12-12 Dip Pcba Smt Bom Service 835-1A-B-C-5Vdc 835-1A-B-C-12Vdc Power Relay Cross T77 and 32F Air Conditioner$0.19
Golden Relay Gk-A-1A-12D Shape Cross T90 for Pcb Control Board With Spno Form 12Vdc Industrial Automation Relay Refrigerator$0.5
Golden GYF2-1C-12D The Best-selling 12v 24v 40a 5pin Conversion Jd1914 Car Starting Relay 4Pin 5Pin Headlight Horn Relay$0.57
Signal Relay 12V Wifi Relay Relais 5 Pins 0.2W 0.45W General Purpose GB-1C-12L Appliance Air-Conditioning Electromagnetic Relay$0.2
Golden Hot Selling HF32F T77 1Group 12Vdc No Sealed 250Vac Waterproof High-Quality 10 Amp General Purpose Relay Other Relay$0.19
Golden GB-1C-12L2 Signal Relay 12V Wifi Relay Relais 5 Pins 0.2W 0.45W for General Purpose Appliance Air-Conditioning Sockets$0.16
32F Relays 5V 6V 9V 12V 24V 0.2W 4Feet Open Form a 10A Mini Relay JZC-32F Applications Cross T77 and 32F Air Conditioner$0.19
Support BOM Quotation 12VDC 5A 4pin Relay OJT-SS-112LM 32F Relays 5V 9V 12V 24V 0.45W 4Feet Open Form a 10A Mini Relay JZC-32F$0.18
Midea Haier 4 Pin 25A Special Relay G4A SFK Hot Sale 12V Normally Open Gordon Relay for Multimedia and Audio$0.52
Prima Electro S.p.A.
🇮🇹 Italy
1978101-200 peopleManufacturerEstablished brand
ODM manufacturer
Product customization
High-tech enterprise
Shipments
771
Key customer
ATLAS COPCO
Key market
Asia
Description
Prima Electro S.p.A. is a prominent Italian manufacturer and strategic EMS partner specializing in high-tech power and control electronics. Established in 1978 and headquartered in Moncalieri, the company operates as an ODM and OEM, providing end-to-end turnkey solutions for sectors including energy, transport, industrial automation, and e-mobility. With a workforce of approximately 141 employees and a presence in Italy and China, the company was recently acquired by GROUPE SYNOV, further strengthening its market position in the European electronics manufacturing industry. Prima Electro utilizes a "Dedicated Off The Shelf" (DOTS) business model to deliver custom embedded products with a fast time-to-market. Their extensive product portfolio includes electric AC servo motors, IGBT modules, DC-DC converters, switching power supplies, and integrated circuits. They are also at the forefront of sustainable innovation, developing EV charging solutions, energy storage systems, and Silicon Carbide (SiC) based platforms for maritime cold ironing. The company manages the entire product lifecycle, from initial concept and preliminary analysis through to qualification and industrial-scale production, ensuring high reliability for complex industrial applications.
Type 7S.16 Miniature Relay Module with High Power Forced Guided Contacts 6A Capacity$26
High Quality Japan Brand Integrated Circuit Electric Intelligent Power Module Excellent for Semiconductor Modules$50.01
High Quality United States Made IGBT Transistor Mosfet Excellent for Export-Irgbc20F Power Transistor$1.08
Excellent Quality United States Brand New Original Electronic Components Mosfet Module Discrete Semiconductor Modules for Sale$108.59
High Quality Long-Life Aluminum Electrolytic Capacitors Essential Electronic Components for Export$3.24
Board Mount 200A Hall Effect Current Sensor +/-15V Range Prior Open$14
EasyDUAL High Performance Transistor Module with Cool SiC Trench MOSFET and Press FIT/NTC High Performance Transistors$150
KVR333X64SC25256 256 MB DDR-RAM Memory Card$14
WAFER-LX2 3.5sec SBC with LX 800 Processor Stock Embedded Computer$184
2B 1200V 6mOhms Discrete Semiconductor Module 48mm Silicon Carbide Half-Bridge Module$196
Best Quality 2Gb DDR3 Unbuffered Dimms Memory Cards Durable New Original From Taiwan$22
Dynapower Company, LLC
🇺🇸 United States
1963101-200 peopleManufacturer/Service CompanyEstablished brand
OEM manufacturer
Product customization
Patented technology
Shipments
93
Key customer
NEWEN SYSTEMS
Key market
Asia
Description
Dynapower Company, LLC, a part of Sensata Technologies, is a leading US-based manufacturer and service company specializing in energy storage and power conversion systems. Established in 1963, the company operates a 150,000 square-foot vertically integrated facility in South Burlington, Vermont, where it designs, manufactures, and tests its products. With 101 to 200 employees, Dynapower has deployed over 45,000 power conversion units and delivered 2 gigawatts of clean energy systems globally, with products installed on five continents and in over 60 countries. The company is ISO 9001 and UL certified, and ITAR registered, ensuring high quality and compliance. Dynapower's core product lines include Hydrogen Power Systems (electrolyzer power supplies, fuel cell inverters), Energy Storage Systems (utility scale, behind the meter, DC coupled, for EV charging), Rectifiers (SCR, switch mode, high power, controls), Transformers, and Frequency Converters. They offer both standard and custom-engineered solutions, ranging from 10 kilowatts to 50 megawatts, serving diverse markets such as hydrogen production, e-mobility, industrial applications (metal finishing, mining, steel, chlor-alkali), and government/defense. Dynapower also provides extensive aftermarket services, including 24/7 technical support, field service, preventative maintenance, repairs, and upgrades.
IGBT Chopper Rectifier
IGBT Boost Rectifier
Thyristor Rectifier
Fuel Cell Inverters
KOSTAL Industrie Elektrik GmbH & Co. KG
🇩🇪 Germany
2005201-300 peopleManufacturerEstablished brand
Product customization
Eco-friendly supplier
Multinational enterprise
Shipments
124
Key customer
YAZAKI
Key market
🇺🇸 United States
Description
KOSTAL Industrie Elektrik GmbH & Co. KG is a prominent German manufacturer specializing in advanced power electronics, drive technology, and photovoltaic solutions. Headquartered in Hagen and part of the century-old KOSTAL Group, the company operates three core business units: Drives, Electronics, and Photovoltaics. As an OEM and solution provider, they employ between 201 and 500 professionals and maintain a strong focus on "Made in Germany" quality and sustainable innovation.
Their product portfolio includes high-efficiency solar, hybrid, and battery inverters under the PLENTICORE and PIKO brands, alongside modular energy storage systems like the HELIVOR HV. In the industrial automation sector, the company is a leader in decentralized and motor-mounted drive technology, offering the INVEOR family of frequency inverters. These solutions are specifically engineered to control advanced motor types, including synchronous reluctance motors that eliminate the need for rare earth materials.
KOSTAL Industrie Elektrik serves a global clientele, including major partners such as Tesla, Interroll, and VARTA. The company holds CE and VDE certifications, reflecting its commitment to "zero-defect thinking" and rigorous quality standards. With integrated R&D and manufacturing capabilities, they provide customized mechatronic solutions for mechanical engineering and energy technology sectors worldwide.
Fidko Dooel
🇲🇰 North Macedonia
199211-50 peopleManufacturer/Service CompanyEstablished brand
Product customization
High-tech enterprise
ODM manufacturer
Key customer
MERMEREN KOMBINAT
Key market
🇲🇰 North Macedonia
Description
Fidko Dooel is a specialized manufacturer and service provider based in Skopje, North Macedonia, focused on industrial automation, power electronics, and specialized machinery. Established in 1992, the company operates as a contract manufacturer and ODM, employing between 11 and 50 professionals. They are ISO 9001:2008 certified, reflecting a commitment to quality management across their engineering, software development, and production departments.
The company's core expertise lies in the development of sophisticated automation systems, including PLC-controlled processes and SCADA software for real-time monitoring and data acquisition. Their technical capabilities extend to the reconstruction, revitalization, and new construction of production lines for diverse sectors such as metallurgy, metalworking, mining, chemical, and food and beverage. Notable product achievements include the MB-600 fully automatic flour packing machine, regulated battery chargers, rectifiers, and specialized medical and laboratory equipment.
Fidko Dooel serves as a strategic partner for industrial plants in Macedonia and Eastern Europe, offering comprehensive system integration and consulting services. Their engineering team is proficient in multiple programming standards, including Ladder logic and C/C++, allowing them to deliver customized solutions for complex process control systems. The company has successfully completed projects for major industrial clients, including Mermeren Kombinat and Skopski Leguri, demonstrating their ability to handle both serial production and on-demand industrial engineering challenges.
E. DOLD & SÖHNE GMBH & CO. KG
🇩🇪 Germany
1928301-500 peopleManufacturerEstablished brand
Own brand
Low MOQ
Industry association member
Shipments
196
Key customer
GE
Key market
Europe
Description
E. DOLD & SÖHNE GMBH & CO. KG is an internationally oriented, medium-sized family enterprise based in Furtwangen, Germany. Established in 1928, the company has evolved into a leading European manufacturer of high-quality components and complete solutions for safe automation, functional safety, electrical safety, and intelligent drive technology. With 301 to 500 employees, Dold specializes in developing, manufacturing, and distributing products such as safety relays, PCB relays, safety switches, electronic enclosures, monitoring devices, control devices, and power electronics. They offer both standard and customized solutions, serving diverse industries including factory automation, rail, process automation, energy, and medical technology. The company operates a factory and provides OEM and ODM services, maintaining a high degree of vertical integration with internal production processes. E. DOLD & SÖHNE GMBH & CO. KG is certified with ISO 9001, DIN EN ISO 9001:2015, and KTA 1401, ensuring adherence to stringent quality and safety standards. Their products are designed to protect people, machines, and systems while enhancing productivity globally.
FMA Mechatronic Solutions GmbH
🇩🇪 Germany
200111-50 peopleManufacturer/Service CompanyEstablished brand
OEM manufacturer
ODM manufacturer
Small batch production
Shipments
31
Key customer
MAQCAM
Key market
Europe
Description
FMA Mechatronic Solutions GmbH is a specialized system supplier and contract manufacturer headquartered in Feldkirchen-Westerham, Germany. Established in 2001, the company operates as a Tier-One supplier with over 30 years of industry experience, providing comprehensive "Design-to-Deliver" services that span from initial prototyping to large-scale series production. The firm employs between 11 and 50 professionals across locations in Germany and Liechtenstein, serving diverse sectors including medical technology, semiconductors, aerospace, renewable energies, and machine construction.
As a mechatronic specialist, the company integrates software, electronics, and mechanics to produce high-precision assemblies and complete devices. Their extensive product portfolio includes battery management systems (BMS), electromotors, power electronics, position sensors, actuators, and control units. They are capable of handling a wide range of manufacturing requirements, from small gram-weight components to large-scale items up to 6 meters or 3 tons.
FMA Mechatronic Solutions GmbH offers robust OEM and ODM capabilities, focusing on outsourcing solutions that optimize R&D efforts and reduce time-to-market for their clients. Their manufacturing processes are backed by a rigorous quality management system, holding certifications in ISO 9001, ISO 14001, and the medical-specific ISO 13485. Beyond assembly, their service suite includes international procurement, functional testing, and long-term spare parts supply for OEM products.
Ducati Energia S.p.A.
🇮🇹 Italy
1936501-1000 peopleManufacturerHigh capacity factory
Established brand
Own brand
Industry association member
Shipments
1899
Key customer
SUMELEC
Key market
Europe
Description
Ducati Energia S.p.A. is an Italian manufacturer with over 90 years of history, specializing in the design, development, and production of electrical equipment and electronic components for industrial applications. Based in Bologna, Italy, the company operates globally with 9 manufacturing plants and employs between 501 and 1,000 people. Ducati Energia focuses on the energy, mobility, and transport sectors, offering a wide range of products including various types of capacitors (power electronics, industrial AC, motor run, motor start), industrial power factor correction equipment for low, medium, and high voltage, power factor regulators, generators, measurement instruments, energy solutions, railway signaling systems, Intelligent Transportation Systems (ITS), and ticketing solutions. The company emphasizes "Made in Italy" quality, technological excellence, and provides advanced, customizable solutions for high performance and reliability, with a strong focus on research and development to meet customer requirements. Their offerings also include active filters, MV and HV capacitor banks, harmonic filters, reactors, transformers, energy analyzers, and electric vehicles.
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