SMT Chip Resistor offers 300 mW rated power.

Press Release Summary:




Measuring 0.126 x 0.062 x 0.025 in., VSMP1206 Bulk Metal® Z-foil resistor combines 0.01% load life stability and ±0.5 ppm/°C nominal TCR in surface-mount package. Use of Z-foil reduces changes in resistance caused by current variation in power resistors and current-sensing resistors with low TCR and thermal resistance. Resistor features full wrap-around terminations, 10 W to 30 kW resistance range, and lead-free or tin/lead alloy terminals.



Original Press Release:



Industry-Breakthrough Z-Based Bulk Metal® Foil Technology Offers 300-mW Rated Power with 0.01% Long-Term Stability and ±0.5 ppm/°C Nominal TCR



MALVERN, PENNSYLVANIA -December 15, 2004 - Vishay Intertechnology, Inc. (VSH: NYSE) today announced the release of the VSMP1206 high-precision, surface-mount, Bulk Metal® Z-foil resistor, the industry's first such device to combine a high power rating of 300 mW, load life stability of 0.01%, and a low nominal TCR of ±0.5 ppm/°C in an industry-standard, surface-mount package.

Under varying ambient temperatures and current loads, the Bulk Metal Z-foil technology that Vishay pioneered offers a breakthrough level of stability, more than an order of magnitude better than competing technologies. The use of Z-foil dramatically reduces changes in resistance caused by current variation in power resistors and current-sensing resistors with low TCR and thermal resistance, allowing for much-improved measurement capabilities.

The Z-foil technology provides an inherently low and predictable ±0.5 ppm/°C TCR nominal. At its high power rating of 300 mW at 70 /°C, the VSMP1206 has a uniquely low load life stability of ±0.01%, and an even lower ±0.005% load life stability at 200 mW. Conventional full wrap-around robust terminations ensure safe handling during the manufacturing process and stability during a lifetime of thermal cycles.

The VSMP1206 has a'resistance range of 10 W to 30 kW and tight tolerance to ±0.01%. Tighter tolerances are available by request to Vishay's application engineers at Foilsupport2@Vishay.com.

Because of the improved performance that results from the use of Bulk Metal Z-foil, the VSMP1206 is well-suited for precision analog applications in industrial, medical, military, and airborne end products including metering systems, head-up displays, and electron beam systems.

A voltage divider can be fashioned by using two arbitrarily selected VSMP1206 resistors with a resultant tracking specification of less than 3 ppm/°C, or even below 1 ppm/°C upon request.

The VSMP1206 is a surface-mount chip resistor measuring just 0.126 in. by 0.062 in. [3.20 mm by 1.57 mm] with a 0.025-in. [0.64-mm] height profile, maximum weight of 11 mg, and choice of lead-free or tin/lead alloy terminals. Its small size and surface-mount construction allow designers to easily upgrade existing designs.

Available in waffle-pack and tape-and-reel packaging, samples and production quantities of the VSMP1206 resistor are available now. Lead time for production quantities is approximately six weeks.

Vishay, a Fortune 1,000 Company listed on the NYSE, is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, transistors, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, and transducers). The Company's components can be found in products manufactured in a very broad range of industries worldwide. Vishay is headquartered in Malvern, Pennsylvania, and has operations in 17 countries employing over 26,000 people. Vishay can be found on the Internet at www.vishay.com.

Bulk Metal is a registered trademark of Vishay Intertechnology, Inc.

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