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News

New commercial thin film chip resistors provide tolerances as low as

Vishay Electronic : 24 January, 2003  (New Product)
The new Vishay Draloric thin film M series resistors are available in industry standard case sizes including 0402, 0603, 0805, and 1206, with minimum resistance values ranging from 1 Ω to 330 kΩ and tight tolerances as low as
Vishay Intertechnology, Inc. today announced a new family of commercial thin film rectangular chip resistors intended for measurement and control applications in medical, automotive, industrial, communications, and portable electronics systems.

The new Vishay Draloric thin film M series resistors are available in industry standard case sizes including 0402, 0603, 0805, and 1206, with minimum resistance values ranging from 1 Ω to 330 kΩ and tight tolerances as low as 0.1%. The tightest TCR value for the M series devices is currently 25 ppm/C. Working voltages range from 25 V to 200 V, and maximum DC power ratings range from 63 mW to 250 mW, depending on case size.

With the industry's smallest ΔR/R ratio in a moisture test (HAST-Test) and with excellent resistance to thermal shock, high and low temperatures, and short-term overload, resistors in the M series provide exceptional stability even in extreme environmental conditions. As a result, end products incorporating the M series resistors - such as precision scales, clinical thermometers, X-ray systems, diesel fuel injection control systems, car audio systems, digital cameras, and mobile phones will demonstrate a higher life expectancy and greater reliability than products using standard components.

Wraparound terminations featuring a thin film adhesion layer covered with a leach-resistant nickel barrier layer enable operation in temperatures as high as +155C. The devices are rated for operation over a standard temperature range of -55C to +125C (+155C).

The M series high-purity alumina substrate enables high power dissipation, while a nickel-chrome-alloy-based thin film provides dependable performance. The new resistors offer high-speed laser trimming for high-volume requirements, and they are available in tape-and-reel packaging.

Samples of the M series thin film chip resistors are available now, with lead times of six to eight weeks for production quantities.
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