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Vishay's New-Generation, Ultra-Precision VHP100 Bulk Metal Foil Resistor is Shortlisted for Elektra 09 European Electronics Industry Awards

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Vishay's New-Generation, Ultra-Precision VHP100 Bulk Metal Foil Resistor is Shortlisted for Elektra 09 European Electronics Industry Awards
Vishay's New-Generation, Ultra-Precision VHP100 Bulk Metal Foil Resistor is Shortlisted for Elektra 09 European Electronics Industry Awards
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(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Vishay
63 Lincoln Hwy., P.O. Box 4004
Malvern, PA, 19355
USA



Press release date: September 28, 2009

MALVERN, PENNSYLVANIA - Sept. 28, 2009 - Vishay Intertechnology, Inc. (NYSE: VSH) today announced that the new generation of its VHP100 hermetically sealed Bulk Metal® Foil resistor, which sets a new industry benchmark for precision, has been shortlisted for the Elektra 09 European Electronics Industry Awards.

Presented yearly by the U.K.'s Electronics Weekly, the Elektra Awards honor the most innovative companies and products in the electronics industry. The Vishay VHP100 was shortlisted in the Passive & Electromechanical Product of Year award category.

The VHP100, which targets applications that require the very highest standard of precision, is the first resistor on the market that stays within a 30 ppm temperature range (0.3 ppm/° C maximum TCR) over the entire military temperature range of - 55 to + 125° C. This means that the new generation of VHP100's resistance value will never deviate by more than 30 ppm total over the entire military temperature range. This also means that all VHP100 resistors will automatically maintain maximum temperature-related ratios of 60 ppm (0.006 %) over the entire temperature range regardless of whether the resistors are all at different temperatures and whether the different temperatures are caused by environmental temperature variations, locally different heat generated by adjacent power components, or even self-heating in power dissipation. A 10 ppm variation from the original value is available for the laboratory instrument range of + 15 to + 45°C.

In addition to its low TCR, the VHP100 provides tight tolerances to ± 0.005 % (50 ppm) and a load-life stability of ± 0.005 % (50 ppm) typical for 2,000 hours at + 70° C and 0.3 W. An even tighter tolerance to ± 0.001 % (10 ppm) is available on request.

The ability of the VHP100 to minimize changes in resistance when the resistor is subjected to stress factors ensures ultra-high performance for tight metrology specifications. As applications requiring this level of performance also require immunity to humidity, the device features a hermetically sealed metal and glass enclosure to protect the resistive element, and is oil filled to improve the thermal dissipation path to the outside.

The VHP100 resistor offers a broad resistance range of 100 ohms to 150 kilohms and a shelf-life stability of ± 0.0002% ( 2 ppm) typical through at least 6 years,. Vishay Foil resistors are not restricted to standard values, and can be supplied with "as required" values (e.g. 1.2345 kilohms vs. 1 kilohm) at no extra cost or delivery time.

While other resistor technologies can take several seconds or even minutes to achieve a steady-state thermal stabilization, the VHP100 utilizes a unique manufacturing process that results in thermal stabilization time of less than 1 second, and a 1.0-ns rise time, essentially without ringing.

The stability of the VHP100 resistor can be further enhanced by post-manufacturing operations (PMO), such as temperature cycling, short-time overload, and accelerated load life, which are uniquely applicable to Bulk Metal Foil Resistors.

With the VHP100, only a minimal shift in resistance value will occur during its entire lifetime. Most of this shift takes place during the first few hundred hours of operation, which can be eliminated by post-manufacturing operations (PMO); virtually no change is noted thereafter. The overall solution cost is thus lowered, since the very high stability of the VHP100 allows designers to eliminate other passive and semiconductor components that would otherwise be needed to compensate for the lower stability provided by typical resistors.

In addition to its excellent stability characteristics, the VHP100 withstands electrostatic discharges of up to 25 kV for increased reliability and offers a non-inductive (less than 0.08 microhenries), non-capacitive design. The VHP100 offers a current noise of 0.010 microvolts (RMS) per volt of applied voltage (less than or equal to -40 dB), thermal EMF of 0.05 microvolts per ° Celsius typical, and a low voltage coefficient of less than 0.1 ppm/V.

For more information, contact: foil@vishay.com.

The Elektra Awards will be presented at a gala dinner in London on December 1. Further information is available at http://www.elektraawards.co.uk/elektraawards2009.

Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, MOSFETs, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, sensors, and transducers). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets. Its product innovations, successful acquisition strategy, and "one-stop shop" service have made Vishay a global industry leader. Vishay can be found on the Internet at http://www.vishay.com.
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