Power-Electronics-Web

Wilhelm Westermann in Unna/Westphalia in 1948 created and established WIMA Germany. They make High Technology, Specialized Passive Components. These are Plastic film capacitors, Paper capacitors and Supercapacitors.

WIMA - Specialized and Custom Capacitors

The capacitors that need special mention are RFI and Snubber Capacitors. They also make Intermediate Circuit Capacitors or DC-Link capacitors, that can replace Electrolytics in SMPS or DC/AC Drives.

These capacitors are especially designed to attenuate voltage spikes on GTO (Gate-Turn-Off) Thyristors and IGBT (Insulated Gate Bipolar Transistor). They are manufactured in dry-type technology with a dielectric of metalized polypropylene film and encapsulated in a cylindrical plastic case sealed with self-extinguishing polyurethane resin.

These caps have Very low self-inductance and High pulse reliability (snubber). High rms current carrying capability (HF filter). Value Ratings upto 100uF and 1KV available.

GTO Capacitors - WIMA

The Double Layer Capacitors developed by WIMA are storage capacitors with highest capacitance values in the Farad range. They are among others suited to serve as batteries, can deliver considerably higher currents for a short time, however, and are maintenance free.

SuperCapacitors - WIMA

Despite the limitations of its maximum operating voltage of 2.5 V, several cells can be built up to enormous capacitance of the desired voltage by means of series or parallel connection (cascade). When cascading SuperCaps, the voltage of single cells must not exceed 2.5 V (decomposition of the electrolyte!)

Develops and Manufactures products to improve power conversion efficiency. Integrated circuits and RF power devices. ASICs, Pulsed Power Systems and Laser Diode Drivers also in their product portfolio.

IXYS Semiconductors - Power and RF

They have HVIC chips for medical, telecommunication and power management applications including off AC line LED drivers. They also Zilog family of MCU's after Zilog Corporation became an IXYS Company.

They have under their Umbrella ...

MicroWave Technology, Inc. is a leading manufacturer of RF & Microwave Discrete Semiconductor Products.

Clare, Inc., A leader in the design and manufacture of solid state relays and high voltage integrated circuits. Shown on right is the IXDN609 a 9 Amp Low-Side Ultrafast MOSFET Driver.

Founded 1983, Corporate headquarters in Milpitas, California. - IXYS

Address -1590 Buckeye Drive Milpitas, CA 95035-7418 United States. - IXYS Map

Elgar, Sorensen and Cailifornia Instruments Products. A wide range Electronic Loads are available from 75-1800W with both DC and AC input in benchtop, modular and standalone form factors. Other products are DC Power supplies AC Power Sources, Modular AC/DC Units. Services like Compliance Testing and Custom Products.

AMETEK Programmable Power

SLM Family Electronic Loads

The SLM family includes 11 models of fully programmable, single input AC or DC modular electronic loads. DC models are offered to test power supplies, battery chargers, battery discharge, power supply transient response and integration into ATE systems. AC models are ideal to test low power inverters.

SL series Electronic Loads - Sorensen

The DC models support operation in Constant Current, Constant Voltage, Constant Resistance or Constant Power mode as well as a short simulation. Engineers have ultimate control of current waveforms by using either the analog input or CC dynamic mode. An analog input (single input DC models) allows arbitrary current waveforms up to 20kHz with an external 0-10V signal........

Manufacturer of High Precision DC Power Supplies for High Voltage and High Current since 1959. Located at Rosenheim Germany.

Heinzinger DC Power - Precision Power Supplies

LNC-Series, New Generation High voltage laboratory power supply Heinzinger DC Power

Features Include

• high voltage laboratory power supply, compact bench case
• output voltage up to 30.000 Volt
• output current up to 500 mA
• residual ripple < 0,1% pp
• stability < 0,1% over 8h

Interface - @Heinzinger

Design and manufacture of versatile high power, hot-pluggable, interconnect products. Founded in 1877, design, customer support, and manufacturing facilities in Sterling, MA, U.S.A.

Anderson Power Products - Specialized Connectors

SPEC Pak Connectors - Housing design & materials create a rugged, watertight and weather-proof enclosure to protect electrical components from water, dust, & other harsh environmental contaminants. Waterproof connection beyond IP68 requirements, when used with industry standard cable sealing glands.

SPEC Pak Connectors - Anderson Power Products

Chroma Systems Solutions, Inc. (CSS) is a US Corporation in a joint partnership with Chroma ATE of Taiwan. Sales and Service support at Chroma's facility in Lake Forest, CA. Includes Stock of Product Line.

Chroma - Energy Instruments and Systems

Products Include - AC Power Sources, DC Power Supplies, DC/AC Electronic Loads, Digital Power Meters, DMM, Electrical Safety Compliance Testing Tools and ATE Automated Test Systems.

Chroma Modular 63600 DC Electronic Loads with Constant Impedance Mode are designed for testing multi-output AC/DC power supplies, DC/DC converters, chargers, batteries, adapters, and power electronic components. Excellent for research, development, production, and incoming inspection applications.

Designs and manufactures power-electronics test instruments and automatic test systems. Applications typically involve the final test of power conversion products where test equipment performance, reliability and support.

NH Research Power Supply & Test Systems

Products Include solutions for DC-DC converter testing, AC-DC supplies, VXIbus based products and a universal UPS test system. DC and AC electronic loads of various capacities can be configured too.

Programmable AC Electronic Loads - NH Research

Features Include

• 3 kW / 30 A modules expandable to 180 kW
• Power and crest-factor programmability
• 12 built-in, high-accuracy measurements
• Voltage 50 to 350 V
• Current 30 A per 3 kW module
• Frequency 45 to 440 Hz