The device can withstand pulse energy up to 3.46MJ and pulse current of 12kA
Pennsylvania, MALVERN — December 17, 2013 — Vishay Intertechnology, Inc. (NYSE: VSH) announced the launch of a new line of stainless steel brake/crowbar resistors – ULDCR resistors that can withstand 3.46 MJ pulses Energy and 12kA pulse current for new energy and other heavy duty applications. Vishay also offers a higher pulse load capability version based on custom metrics.
The Vishay Draloric resistors introduced today are suitable for use as crowbar resistors for frequency converters for three-phase generators in wind power plants and pumped storage power plants. In addition, the resistors can be used as brake and chopper resistors for railways, elevators and industrial systems. ULDCR resistors are patented in a self-supporting, extremely robust and compact modular design that can be easily assembled into these applications. The raw material of the resistor is also resistant to salt water.
In the case of a single pulse, the typical temperature rise of the device is below 350 °C. The ULDCR family of devices operates over 375 ° C with resistances from 1 mΩ to a few ohms with tolerances of ±5% and ±10%, and the maximum expected change in resistance during use is no more than ±20%.
These devices do not use any organic compounds in the manufacturing process and are RoHS and Vishay "green" standards.
Samples of ULDCR resistors are available now and are in volume production. The lead time for major orders is 14 weeks and the price is competitive.
Introduction to VISHAY
Vishay Intertechnology, Inc. is a Fortune 1000 company listed on the New York Stock Exchange (VSH), a global division of semiconductors (diodes, MOSFETs, and infrared optoelectronic devices) and passive electronic components (resistors, inductors, capacitors) One of the largest manufacturers. These components are used in virtually all types of electronic equipment and equipment in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power and medical markets. Vishay has become a global industry leader with product innovation, a successful acquisition strategy, and a “one-stop shop†service. For more information on Vishay, please visit the website.
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