Hardware
OEM Equipment

Power Supply Manufacturers

This is a listing of OEM Power Supply manufacturers and vendors. The products or devices the companies produce are listed under the company name, in alphabetic order.
If the power supply is produced in a card form factor, for example cPCI, or VME, then you should also check that particular BUS page for design information or the COTS card page. Un-interruptible Power Supply [UPS] Equipment Manufacturers are listed on the UPS page. Terms and definitions are provided near the bottom of the page.

Medical grade: Manufacturers that produce Medical grade power supplies listed on the Medical Power Supply Manufactures page.
Card Format: Manufacturers that produce Embedded Board power supplies are listed on the Card Power Supply Manufactures page.
Power Inverters, Commercial: Manufacturers that produce Wall Worts are listed on the Commercial Power Inverter Manufactures page.
Power Inverters, Industrial: Manufacturers that produce Industrial Power Inverters are listed on the Industrial Power Inverter Manufactures page.

High Voltage Power Supplies, normal voltage supplies are listed below, under one; 1KV

AAK Corp. {AC/DC - DC/DC - DC/AC - AC/AC Power Supply Manufacturer}

Absopulse Electronics Ltd. {Design and manufacture of standard, custom and semi-custom switching power supplies}

Acme Electric Corp. {MIL Spec Power Supply Manufacturer, Battery and Battery Chargers}

Acopian {Single/Dual/Triple Linear/Switching Power Supply}

Advanced Conversion Technology {Custom Power Supply Manufacturer}

American High Voltage {Power Supply Manufacturer}

American Media Systems 'AMS' {Redundant Power Supply Manufacturer, PC P4/AMD AT/ATX Models 50W to 550 watts}

American Reliance Inc. 'AMREL' {Bench Top Power Supply Manufacturer}

Analytic Systems {AC/DC Power Supply, DC Battery Chargers, Modified Sinewave Inverters}

Anoma Corp. {Switching Power Supplies, Table Top Supplies, AC/DC Adaptor, Custom Power Supply Manufacturer}

AOpen {PC Power Supplies - None PFC/Passive PFC 250W to 530 watt, 700W, Pentium 4 Processor and ATX 12V, AMD, Micro ATX/ Flex ATX, PS3 12V, SFX 12V}

Arnold Magnetics Corp. {Industrial/Military AC/DC-DC/DC-DC/AC Power Supply}

Autec Power Systems {Open Frame Power Supplies, Industrial Power Supply manufacturer}

Bear Power Supplies {AC/DC Power Supply Manufacturer; AC input connector, inrush current limiting, fusing and EMI filtering into a PCB mountable module}

Behlman Electronics Inc. {AC-AC power sources/ DC-AC power sources/AC-DC / DC-DC COTS / Mil power supplies}

Bellus Power Supplies {Wall Mount/Desk Top/Open Frame/Enclosed/Switch Mode Power Supplies}

BK Precision {Lab type Programmable Switching DC Power Supply, Bench Top/Portable}

BTC Power Electronics Corp. {Standard Open Frame AC/DC power supplies}

CAEN Technologies Inc {Precision High Voltage and Low Voltage Power Supply, Rad Tol. and Magnetic Field Tol. Power Supply, Aerospace Environment Power Supply}

Calex {DC-DC AC-DC Power Supply-Chassis Mount-PCB Mount Power Supply Manufacturer}

Comet Antennas {Antenna Power Supplies}

Condor; see SL Power Electronics {Switcher, Linear Power Supply Manufacturer}

Control Concepts {1/3 phase Power Controllers}

Conversion Devices, Inc. "CDI" {Commercial Switchers 130W to 750W Power Supplies}

Cosel USA Inc. {Switching AC/AC-DC/DC Power Supplies}

Delta Electronics, Inc {Open Frame, Enclosed, Switching, Power Supply - PC ATX 12V Compliant, Desktop/Server/Networking/Enterprise}

Deltron Inc. {Modular Power Supply}

Digital Power Corp. {Manufactures power supplies, high density, high efficiency switching power supplies, 50W to 1800W, AC/DC switchers, open frame DC/DC converters, Military}

Dynapower U.S.A. {Redundant Enclosed, Switching, Power Supply - PC Micro ATX, Complied with ATX and ATX12V standard for AMD / Intel}

Elpac Power Supplies {Manufactures external power supplies, AC adapters, and docking stations for portable electronic devices}

EMCO High Voltage Co. {PC Mountable Power Supply Modules}

Emerson Network Power {Power Supply Manufacturer}

Enhance Electronics {personal Computer Power Supply - ATX version 1.3 / 2.0}

Enlight Corp. {Open Frame DC/DC AC/DC Switching Power Supply, Adaptor - PC ATX12V, EPS12V, SFX, SFX12V, TFX12V, Rack-mount Form Factors}

GlobTek {DC/DC-AC/AC-Switching/Linear Custom Power Supplies}

HP

Huettinger Electronics {DC power supplies-Medium frequency/RF generators-Plasma processing-Induction heating}

Huntkey {Electronic, Telcom, Vehicle, PC Server, PC ATX12V Ver 1.2/1.3/2.0/EPS Power Supply Manufacturer}

Industriell DataDesign AB 'IDD'

Instek {Programmable/Single/Triple/Quad output Power Supplies}

Integrated Power Designs {AC-DC & DC-DC Power Supplies, for General Industries, including Medical, Automotive, Telecommunications and Test Instruments}

Jou Jye Computer GMBH {Personal Computer ATX 12V PSU Power Supply Manufacturer}

Kaiser Systems Inc. {High Voltage Power Supply and Custom Power Supply Manufacturer}

Kepco {Desk Top - Hot Swap - Rack/Rail Mount Power Supply}

Lambda {PCB Mount - Desk Top - Single/Dual/Triple Output-Industrial-Rail Mount}

Magic Power Technology Inc. {ATX Supplies 60W-300W, DC to DC Power}

Magna-Power Electronics {Current-fed DC power supplies Manufacturer}

MagneTek {PCI, Hot Swapable, Bulk, Load Power Supply Manufacturer}

Martek Power {Industrial/Military Linear/Switching Power Supply-DC/DC-AC/DC-DC/AC}

MIL Electronics, Inc. {Medium power high voltage converters}

MilPower Source {Military/Avionic/Naval/Space/Telecom/Ruggedized Power Sources Un-interruptible Power Supplies}

One Stop Systems Inc. {3U/6U cPCI Power Supply Boards, Power supply backplane, dual P47, Uninterruptable power supply (UPS)}

NH Research {DC power supply testers, UPS testers, DC electronic loads}

PC Power and Cooling Inc. {ATX, EPS12V, SLI, SSI PC Power Supply Manufacturer}

Phihong {Power Supply Manufacturer}

Phoenix Contact {Rail Mounted Linear/Switch Mode Power Supply Modules}

PICO Electronics {DC-DC Converter-AC/DC Linear/Switcher Power Supply}

Pioneer Magnetics Inc. {High Power Switching Power Supplies}

Polytron Devices Inc. {Manufacturer of encapsulated power supply modules and regulated DC/DC converters}

Power Controls Inc {Exclusive custom power supply design and manufacture in any form , temp. , input , output}

Power One {Switchable, Linear - International Power Supply Manufacturer}

Rantec Power Systems Inc. {VME and ATR Military Card Power Supplies. Convection and Conduction Cooled}

RLTECH, INC. {AC-DC/DC-DC/PFC Supplies}

RO Associates {AC-DC/DC-DC/PFC Supply Manufacturer}

Seasonic {PC ATX Power Supply Manufacturer, IPC / Server Power Supply, Adapter, Open Frame Power Supply}

Samlex

Sanken Electric Co. Ltd {Switching, Power Supply, DC Power Supply Manufacturer}

Semiconductor Circuits, Inc. {Design and manufacture DC/DC, modified-standard, custom converters and AC/DC power supplies}

SL Power Electronics {AC-DC/DC-DC/Custom Power Supply}

Sens "Stored Energy Systems"

Shenzhen MoSo Power Supply Technology Co., Ltd. {Wall Mount/Desk Top/Open Frame/Enclosed/Switch Mode Power Supplies Manufacturer}

Skynet Electronic {Power Supply Manufacturer}

SL Power Electronics {AC-DC/DC-DC/Custom Power Supply Manufacturer}

Sola/Hevi-Duty {DIN Rail and linear-based power supplies}

Sparkle Power Inc. 'SPI' {Medical PSU, PC Power Supply Manufacturer ATX 12V / PFC, EPS12V, Micro ATX, Flex ATX}

Spellman High Voltage Electronics Corp. {High Voltage Power Supply Manufacturer}

Switching Power Inc. {Custom Power Supplies and Switching Power Supplies}

Tamura {Switch Mode Power Supplies. AC/DC. In-Line, Chassis Mount}

Task International Inc. {Personal Computer ATX Switching Power Supply Manufacturer}

TDK {Power Module Manufacturer}

Telkoor Power Supplies Ltd {Commercial off-the-shelf Power Supply and custom power solutions}

Tenma {High Current, Dual Triple, Regulated, Programmable DC Power Supplies. Laboratory Power Supply}

Top Microsystems {1U, 2U, PS2, Redundent, Open Frame, CompactPCI, Adaptors, DC/DC, Custom}

Topower Corp. {Personal Computer Power Supply Manufacturer}

Total Power {European based R&D, design, service and sales company of custom made and standard switched mode power supplies manufactured by their own East Asian production facility}

Total Power International Inc. {PC104 - cPCI - U Bracket Power Supplies}

Tracewell Systems {Telcom, Datacom, Industrial, Control Power Supplies}

Traco Power {Switching - DIN rail Mounted Power Supplies}

Transistor Devices Inc 'TDI' {Telcom Power-Systems-AC Inverter-Railway-Robust-Modular-Loads-Industrial-Programmable-Custom-UPS-Inverters}

TRUMPower {General Purpose AC/DC Power Supplies Manufacturer}

Unipower Corp. {Power Supply Manufacturer}

Vector Electronic Company {3U Card Power Supply Manufacturer, M DIN Connector}

Vicor {DC/DC-AC/DC- Custom Power Supplies}

Volgen America Inc. {Single / Multiple-Dual In line Power Supplies}

Wiener {VME/VXI/CAMAC/NIM Card Power Supply}

Xantrex Technology Inc. {Power Supply Manufacturer}

XP Power {DC/DC-AC/DC - Custom Power Supply Manufacturer}

{Back to Power Supply Manufacturers Index}

Commercial Power Supply Standards:
IEC-60950: Information technology equipment - Safety: General requirements
IEC-950: Information technology equipment - Safety: [Replaced by IEC-60950]
UL-60950:
UL 1950: [Replaced by UL-60950]

Personal Computer Power Supply Standards: ATX12V: ATX form factor motherboards and Chassis, for Large systems [Desktops]; [Size: 20 liter volume] BFX12V: BTX form factor mother boards and Chassis, for [AV Cases, Cubes] CFX12V: Compact Form Factor with 12-Volt Connector, Small form factor [Size: 10-15 liter volume], BTX-compatible Power Supply LFX12V: Low Form Factor with 12-Volt Connector, Ultra-small form factor [Size: 6-9 liter volume], BTX-compatible Power Supply SFX12V: Small Form Factor with 12-Volt Connector, Mini-tower form factor [Size: 15-22 liter volume], BTX-compatible Power Supply EPS12V: Entry-level Power Supply [Servers] Power supplies for computers are indicated under the manufacturers name by PC Power Supply Standard. Graphic is a PC Power Supply with the cover removed

Medical-Grade Power Supply Standards:
IEC601-1: Medical electrical equipment: General requirements for safety.
UL2601-1:

Power Supply Derating Guidelines:

Power Supply Definitions

Power Supply Derating Guide Lines

This is a listing of OEM Electronic Power Supply manufacturers and vendors. The products or power supplies the companies produce are listed under the manufacturer name, in alphabetic order. If the power supply is produced in a circuit card form factor, for example cPCI, then you should also check that particular interface Bus page or the COTS card manufacturers page. Additional electronic Equipment manufacturers may be found by selecting the OEM Equipment icon below, or component manufacturers may be found by selecting the Components icon below.

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