Batteries and Accessories (1666 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 (1641 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 (233 companies)
AC power sources provide alternating power and typically have adjustable output values for the testing of component response at various voltages, current and frequency levels.
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Ballasts (391 companies)
Ballasts are electrical devices that condition the line voltage (amplitude, amperage and waveform) to operate fluorescent and HID lamps. Basically they serve two functions: to provide the starting kick, and to limit the current to the proper value for a particular lamp.
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Current Sources (85 companies)
Current sources provide reliable current for electrical component testing and for powering specialized components.
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DC-AC Inverters (382 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 (702 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 (105 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 (264 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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Line Conditioners (12 companies)
Line conditioners, also known as power conditioners or power line conditioners, are regulators that protect equipment from excessive fluctuations in the utility line, or power system voltage. Learn more about Line Conditioners

Linear Power Supplies (105 companies)
Linear power supplies accept AC inputs and provide one or more DC outputs for a wide variety of computer and industrial applications. They use an active element (normally a power transistor) operating in its linear region to generate a desired voltage.
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Medical Power Supplies (93 companies)
Medical power supplies produce conditioned outputs for medical devices, instruments, and equipment.
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Motor and Generator Winding Services (195 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 (53 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 (80 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 (107 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 (204 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) (285 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 Factor Correction (PFC) Products (15 companies)
Power factor correction (PFC) products are used to configure and correct the power factor in power systems. Learn more about Power Factor Correction (PFC) Products

Power Filters (91 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 (76 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 (233 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 (142 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 (2165 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 (81 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 (77 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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Single Phase Uninterruptible Power Supplies (UPS) (591 companies)
Single phase uninterruptible power supplies (UPS) sit between an AC outlet and an electronic device to provide power conditioning, back-up protection, and distribution for electronic equipment loads. They also prevent power disturbances from affecting the performance and life of the electronic device and vital data. 
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Specialty Power Supplies (164 companies)
Specialty or proprietary products and accessories related to power supplies. Learn more about Specialty Power Supplies

Three Phase Uninterruptible Power Supplies (UPS) (328 companies)
Three phase uninterruptible power supplies (UPS) operate in conjunction with existing electrical systems to provide power conditioning, back-up protection, and distribution for electronic equipment loads that use three-phase power. 
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Switching Power Supplies (125 companies)
Switching power supplies are DC sources that use a switching element (normally a power transistor) to generate the desired voltage. Switching power supplies are also called switch-mode products or switching mode power supplies (SMPS).
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Uninterruptible Power Supplies (UPS) (647 companies)
Uninterruptible power supplies (UPS) are backup batteries that provide emergency power to electrical systems in case power becomes unavailable. They are connected between a power source (such as an electrical outlet) and the equipment to protect (such as a motor or computer).
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Voltage Multipliers (8 companies)
Voltage multipliers are AC-to-DC conversion devices that produce a high potential DC voltage from a lower voltage AC source. They are used to produce high voltages where low current is required.  Learn more about Voltage Multipliers

Voltage Regulators (128 companies)
Voltage regulators are power converters that provide voltage control capabilities. They accept a voltage that varies over a given range and generate an output voltage that does not vary.
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