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Amplifiers/Converters??

Ultrahigh-precision resistor is ESD-insensitive

Posted: 19 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:resistor? ESD? ultrahigh precision? Vishay? Z-Foil?

Z-Foil resistor from Vishay

Vishay Intertechnology Inc. has launched an improved Z201 ultrahigh-precision Z-Foil resistor, which the company says is the industry's first device to provide a very low TCR of 0.05ppm/C from 0 to 60C and 0.2ppm/C from -55C to 125C, a low power coefficient of resistance (PCR) of 5ppm at rated power, tight tolerances of 0.005 percent, and a load life stability of 0.005 percent.

The Z201 device has a load-life stability of 0.005 percent for 2,000hrs at 70C, a resistance range of 10 ohms to 100 kiloohms, a power rating of 0.3W at 125C, current noise of less than -40dB, and a thermal EMF of 0.1mV C maximum (0.05 typical). It offers high-frequency operation with a rise time of 1ns without ringing, and features a non-inductive, non-capacitive design. The device offers a small package size, and functions as a drop-in replacement for the previous generation S102C/K series of resistors.

In addition, the Z201 resistor has an ESD above 25,000V, putting it well over the top requirements of all three of the highest ESD standard classifications, making it exceptionally insensitive to ESD, said the company.

Vishay said this breakthrough level of stability, more than an order of magnitude better than any other resistor technology, allows designers to guarantee a high degree of accuracy in fixed-resistor applications. Applications include precision amplifiers, high-precision instrumentation, medical and automatic test equipment, high-end stereo equipment, electron beam scanning and recording equipment, as well as military, aerospace, and down-hole equipment and instrumentation.

Samples and production quantities of the Z201 Z-Foil resistor are available now, with lead times of four to six weeks for larger orders. Pricing for U.S. delivery varies with value, tolerance, and quantity.

- Gina Roos
eeProductCenter




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