Batteries and Accessories (1468 companies)
Devices that convert stored energy into electrical current; the two main types are chemical batteries and physical batteries such as solar cells, nuclear energy and thermal batteries.

DC Power Supplies (1495 companies)
General Search Form for all types of DC power supplies. Searcher may choose technology and general specifications. More detailed specifications are available in the individual power supply search forms.

AC Power Sources (218 companies)
AC power sources provide alternating power and typically have adjustable output values for the testing of component response at various voltage, current and frequency levels.
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Ballasts (363 companies)
Ballasts are power supplies or transformers for fluorescent lamps. Learn more about Ballasts

Current Sources (77 companies)
Current sources provide reliable current for electrical component testing and for powering specialized components.
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DC-AC Inverters (305 companies)
DC to AC inverters are used for converting direct current (DC) into alternating current (AC). They are also known as DC to AC converters.
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Electrical Power Generators (603 companies)
Electrical power generators transform mechanical energy into electrical energy, typically for backup or emergency power. Generators can produce either AC or DC power and are typically powered by a fuel engine.
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Electrical Winding Services (95 companies)
Electrical winding services fabricate custom-wound assemblies for a wide range of applications, including automotive, avionics, motor, transformer, medical instrumentation and power generation applications. Learn more about Electrical Winding Services

EMI Filters and RFI Filters (243 companies)
Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI.
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Medical Power Supplies (70 companies)
Medical power supplies produce conditioned outputs for medical devices, instruments, and equipment.
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Motor and Generator Winding Services (185 companies)
Motor and generator winding services suppliers specialize in producing custom motors, generators and custom windings per customer specifications, as well as companies that specialize in motor repair and refurbishing. 
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Phase Converters (49 companies)
Phase converters transform single-phase power into three-phase power for the operation of industrial motors, pumps, and other equipment. Learn more about Phase Converters

Plasma Power Supplies (72 companies)
Plasma power supplies are DC and RF devices used in plasma generation equipment for applications such as sputtering, plasma etching, physical vapor deposition (PVD) coating, and chemical vapor deposition (CVD) coating. Learn more about Plasma Power Supplies

Power Amplifiers (95 companies)
Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications. Learn more about Power Amplifiers

Power Conditioners (189 companies)
Power or line conditioners regulate, filter, and suppress noise in AC power for sensitive computer and other solid state equipment.
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Power Distribution Units (PDU) (260 companies)
Power distribution units (PDUs) have an electrical input and several outputs, often as electrical outlets, for powering multiple devices. 
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Power Filters (92 companies)
Power filters are electronic circuits designed to locate and eliminate surges, harmonic transient currents, spikes, and other unwanted signals in power distribution systems and electrical equipment such as computers, television sets, and other devices. Learn more about Power Filters

Power Frequency Converters (73 companies)
Power frequency converters take electrical input power at one frequency and voltage and provide electrical output power at a different frequency and at a different or equal voltage.
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Power Rectifiers (208 companies)
Power rectifiers are electrical devices that convert alternating current (AC) to direct current (DC). They are an integral part of telecom rectifiers for the telecommunications industry, and in battery chargers, DC power systems, and other power system devices.
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Power Strips (131 companies)
Power strips are used in applications where multiple AC outlets are needed, often without surge or line noise protection.
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Power Supplies (2225 companies)
Power supplies are devices that produce AC or DC power.  This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters.
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Programmable Power Supplies (73 companies)
Programmable power supplies are digitally controlled power sources that provide accurate and adjustable levels of voltage, current, and frequency. They include a processor, voltage/current programming circuits, current shunt, and voltage/current read-back circuits.
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RF Generators (64 companies)
RF generators and high frequency power supplies provide the power required for plasma generation, induction heating, and radar or communications applications.
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SCR Power Controllers (102 companies)
Silicon controlled rectifier (SCR) power controllers precisely regulate output power to resistive heating loads such as industrial furnaces and ovens. They generally operate on either zero-crossing or phase angle control.
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Specialty Power Supplies (125 companies)
Specialty or proprietary products and accessories related to power supplies. Learn more about Specialty Power Supplies

Uninterruptible Power Supply (UPS), Single Phase (542 companies)
Single phase uninterruptible power supplies (UPS) sit between an AC outlet (i.e., a wall outlet or power strip) and an electronic device (e.g., computer, server, or phone equipment) to provide power conditioning, back-up protection and distribution for electronic equipment loads.
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Uninterruptible Power Supply (UPS), Three Phase (300 companies)
Three phase uninterruptible power supplies (UPS) are devices that operate in conjunction with existing electrical systems to provide power conditioning, back-up protection and distribution for electronic equipment loads.
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Voltage Multipliers (7 companies)
Voltage multipliers are AC to DC conversion devices that produce high-potential DC voltage from a lower voltage, AC source. Learn more about Voltage Multipliers

Voltage Regulators (107 companies)
Voltage regulators are devices that enable generators to provide voltage control capabilities. Learn more about Voltage Regulators