- AAK Corporation
- ABB
- Abbott Technologies
- Absopulse Electronics Ltd.
- AcBel Polytech Inc.
- Acopian Technical Company
- Acute Power Inc.
• acquired by International Coil Inc.
- ADEL System Srl power supplies, DC-UPS
- Advanced Energy Industries, Inc. power supplies
- Aimtec
- AK II America, Inc.
- Alfatronix Ltd. DC/DC and AC/DC voltage converters
- Amantys Power Electronics Ltd. IGBT modules
- Amperor Inc.
- Applied Power Systems, Inc.
- APX Technologies Inc.
- Artesyn
• acquired by Emerson Electric Co.
- Artesyn Embedded Technologies
- Ascom Energy Systems
• check Ascom Energy Systems [USA] too!
• acquired by Delta Electronics Inc.
- Aspro
- Astec Power
• acquired by Emerson Electric Co.
- Astrodyne
- ATL Transformers Ltd.
- Ault Inc.
• acquired by SL Power Electronics [SLPE]
- AUTRONIC Steuer- und Regeltechnik GmbH & Co KG
- Axiomatic Technologies Corporation
- Babcock Inc.
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- Balluff GmbH sensors, power supplies
- BEL Fuse Inc.
- Bel Power Solutions Inc. [owned by Bel Fuse Inc.] power supplies
- Bellnix Co., Ltd. DC-DC converters, AC-DC switching power supplies
- Bias Power Inc. power modules, LED drivers
- Bothhand
• check Bothhand Enterprise
• or Bothhand USA too!
- C&D Technologies
• Power Electronics Division acquired by Murata Power Solutions
- Calex Mfg. Co. Inc.
• acquired by Murata Power Solutions
- CDI [Conversion Devices Inc.]
- Celestica Inc.
• Power Systems Business sold to C&D Technologies now Murata Power Solutions
- Celetron USA Inc.
- Cell-Con Inc.
- Cherokee International
• acquired by Lineage Power Corporation now GE Power Electronics Inc.
- Cetronic Power Solutions Ltd
- Chi Sam Electronic Enterprise Co., Ltd.
- Chinfa Electronics
- Cincon Electronics Co., Ltd.
- CommScope Inc. dc power supplies
- Condor
• acquired by SL Power Electronics [SLPE]
- Conversion Devices Inc. [CDI]
- CogniPower power conversion
- Coolisys Technologies Inc.
- COSEL Co., Ltd. power supplies
• please check Cosel [Asia] or Cosel [USA] too!
- Crane Aerospace & Electronics [Interpoint]
- CUI Inc. power modules, ac-dc power supplies, dc-dc converters, connectors, switches
• power supply business acquired by BEL Fuse Inc.
- Current Logic Group Ltd.
- Curtis Industries
- Cyntec Co., Ltd.
- Cypress Industries
- Danford Enterprise Ltd.
- Datel
• acquired by C&D Technologies Inc. now Murata Power Solutions
- Dean Technology, Inc. high voltage power supplies
- Delta Electronics Inc. switching power supplies, DC/DC converters, AC/DC adapters
• please check Delta Electronics (Thailand) too!
- Deltron, Inc.
- Deutronic Elektronik GmbH
- Digital Power Corporation
- Dorsch
- EA-Elektro-Automatik GmbH
- Eaton Power Quality Corp.
- Efore power supplies
• renamed to Enedo Oyj
- Eggtronic™ controllers for wireless chargers, power converters
- ElanVital
- Eltek ASA power supplies
• acquired by Delta Electronics Inc.
- Emerson Electric Co. power supplies
- EMCO High Voltage Corporation High Voltage Power Supplies
- Endicott Research Group, Inc. [ERG]
- Enedo Oyj power supplies
- ENG Electric Co., Ltd.
- Enpirion
- EOS Corporation
- ERG [Endicott Research Group, Inc.]
- Ericsson Powermodules DC/DC power modules
• Ericsson Power Modules business, excluding the brand, acquired by FLEX Ltd.
- ET SYSTEM electronic GmbH
[ET [Euro Test]
• check ET Power Systems Ltd too!
- ETA-Power Europe Ltd.
- ETRI
- Excelliance MOS Corporation
- Excelsys Technologies
- Exeltech
- Fabrimex AG power supplies, DC-DC converters
- Falco Electronics
- Ferranti Technologies Limited military power supplies
• acquired by TT Electronics plc
- FiDUS Power Ltd AC-DC power supplies, DC-DC converters
- FLEX Ltd. analog & digital DC/DC Converters
- Flex Power Modules DC/DC converters
- Floeth Electronic, Ltd.
- Fortron
- Friwo
• check Friwo [Germany] too!
- FSP Group power supplies, battery chargers
- FSP Technology Inc. power supplies, battery chargers
- Fuhua Electronic Co., Ltd.
- GE [General Electric Company], Products for the Energy Industry
- GE [General Electric Company], Consumer & Industrial
- GE Power Electronics Inc.
- General Electric Company [GE], Products for the Energy Industry
- General Electric Company [GE], Consumer & Industrial
- GlobTek Inc.
- Golden Regent Electronics
- Gresham Power Electronics
- GuRu Wireless Inc. wireless power solutions
- HAIMOSIC (SHANGHAI) CO., LTD. silicon carbide (SiC) based power devices
• a member of Zhenghai Group
- Helms-Man
- Himachal Exicom Communications Ltd.
- Hi-Rel Electronics Pvt. Ltd.
- HiRel Systems LLC
• acquired by Vishay Intertechnology Inc.
- HY ELECTRONIC (CAYMAN) LIMITED, TAIWAN [HYE]
- HYE [HY ELECTRONIC (CAYMAN) LIMITED, TAIWAN]
- IBEK Electronic AG
- Integrated Power Designs [IPD]
- International Coil Inc.
- Interpoint
- Intronics
- iWatt Inc. AC/DC ICs
• acquired by Dialog Semiconductor
• PMIC Business Unit of Dialog Semiconductor acquired by Apple Inc.
• Dialog Semiconductor Plc acquired by Renesas Electronics Corporation
- Kaito
- KT Assemblies Ltd.
- Lambda Advanced Analog [Lambdaaa]
- Lambdaaa [Lambda Advanced Analog]
- Lambda Electronics
• check TDK-Lambda Corporation
- Lineage Power Corporation power supplies
• acquired by GE Power Electronics Inc.
- Longsun Technologies Co., Ltd.
- LS Power Semitech Co., Ltd. c/o LS INDUSTRIAL SYSTEMS Co., Ltd.
- M3 Technology Inc. [M3Tek] buck and/or bust converters, LDOs, charger ICs
- M3Tek [M3 Technology Inc.] buck and/or bust converters, LDOs, charger ICs
- Martek Power, a Cooper-Bussman Company
- Matsusada Precision Inc.
- Mean Well Enterprises
- Mei Ah Electrical & Industry
- Melcher
• integrated into Power-One • acquired by ABB
• Power-One Power Solutions business from ABB acquired by BEL Fuse Inc.
- MGV
- MicroPower Direct, LLC [MPD]
- Mighty Power Electronic Co., Ltd.
- Minmax Technology Co., Ltd.
- MORNSUN Guangzhou Science & Technology Co., Ltd.
- MPD [MicroPower Direct, LLC]
- MORNSUN Guangzhou Science & Technology DC/DC converter, AC/DC converter
- Murata Electronics
• Supercapacitor Production Line acquired by CAP-XX Limited
- Murata Power Solutions
- Newmar
- Newport Components
• acquired by C&D Technologies Inc. now Murata Power Solutions
- NMB Technologies
• check NMB (USA) Inc.
• or MINEBEA [Japan] too!
- OEM [Outstanding Electronic Manufacturer]
- Operating Technical Electronics
- Outstanding Electronic Manufacturer [OEM]
- P-DUKE Technology Co., Ltd. AC-DC power supplies, DC-DC power converters
• formerly known as Pduke Technology Inc. [Power Mate Technology Co., Ltd.]
- Pairui Group Inc.
- Phihong Technology Co., Ltd. power supplies & chargers
- Pico Electronics, Inc.
- Pioneer Magnetics Inc.
- Powa Shenzhen a Kaito Company
- Power-One AC/DC & DC/DC converters
• acquired by ABB
• ABB's Power-One Power Solutions business acquired by BEL Fuse Inc.
- Power Add
- Power Intergration Inc.
- Power Solutions Inc. [PSI]
- Power Trends
• acquired by Texas Instruments Semiconductors
- Powerbox International AB
- Powercom
- Powercube
- PowerDsine
- Powermat Technologies Ltd. wireless charging platforms
- PowerNet Technologies Corp. power supplies
- PowerPax
• acquired by Stadium Group
- Powerstax plc
- Premier Magnetics Inc.
- PulsiV Solar Ltd. power harvesting
- RECOM Electronic GmbH
- Regal Electronics
- RELPOL S.A.
- Rltech
- Rubycon
- Samlex America
- Secon
- Schaefer Inc. [Schäfer Elektronik GmbH]
- Schneider Electric IT Corp.
- Shilong Fuhua Electronic Co., Ltd.
- Siglent Technologies CO., Ltd. power supplies and electronic test and measurement equipments
- Silanna Semiconductor PTY Ltd. PWM controllers
- Sinpro Electronics Co., Ltd. power supplies, charger, motor & controllers
- Speedy-Tech Electronics Ltd.
- Skynet Electronic
- SL Power Electronics [SLPE]
- Stadium Asia Ltd.
- Stadium Group
- Studer Innotec SA
- SynQor
- Switch Power
- Switching Power, Inc.
- Takasago
- Technology Dynamics Inc.
- TESLA Electric
- TDK-Lambda Corporation power supplies
- Timonta
- Total Power International Inc.
- TRACO Electronic AG
- Transphorm Inc.
- TRI-MAG Inc. power supplies
• acquired by Curtis Industries
- TRUMPower [Tumbler Technologies, Inc.] power supplies
- TT Electronics plc military power supplies
- Tumbler Technologies, Inc. [TRUMPower] power supplies
- Tyco Power Systems
• acquired by Lineage Power Corporation now GE Power Electronics Inc.
- UMEC [Universal Microelectronics Co., Ltd. ]
- Union Semiconductor Inc.
- Univ Power Corp.
- Universal Microelectronics Co., Ltd. [UMEC]
- uPI Semiconductors Corporation MOSFETs, TVS, sensors, DC/DC converters, LED drivers
- V-Infinity Power
• owned by CUI Inc.
- VERO power supplies
• now EA-Elektro-Automatik GmbH
- Vicor
- Virtual Technologies, Ltd.
- Vox Power Ltd. power supplies
- VPT Inc.
- Wall Industries
- Würth Elektronik
- XP Power
- Yokogawa
- Zicon Electronics Ltd
- Zilker Labs Inc.
• acquired by Intersil Corp.
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