Flip-Chip BMZF Resistors combine power and stability.
Press Release Summary:
Featuring flip chip design, VFCP series SMT Bulk Metal Z Foil (BMZF) resistors are offered in 5 case sizes with max power ratings from 100-750 mW and resistance ratings from 10 ohms to 150 kohms. They exhibit long-term stability down to ±0.005%, typ TCR of ±0.2 ppm/°C, typ PCR of ±5 ppm at rated power, and tolerance of 0.01%. Lead (Pb)-free and tin/lead alloy terminal finishes are available. Products suit applications with low total error budget.
Original Press Release:
Vishays New Ultra-High-Precision, Surface-Mount Bulk Metal Z Foil Flip Chip Resistors are First to Combine Power Ratings up to 750 mW, Long-Term Stability Down to ±0.005 %, and Typical TCR of ±0.2 ppm/°C
MALVERN, PENNSYLVANIA - January 20, 2006 - Vishay Intertechnology, Inc. (NYSE: VSH) today announced the release of the VFCP series of ultra-high-precision, surface-mount Bulk Metal Z Foil (BMZF) resistors in a flip chip configuration that provides an outstanding power to size ratio. The five new VFCP resistors are the industrys first in a flip chip design to combine high power ratings up to 750 mW at 70 °C with long-term stability down to ±0.005 %, very low typical TCR of ±0.2 ppm/°C, excellent PCR of ±5 ppm typical at rated power, and tight tolerance of 0.01 %.
These new resistors are designed for applications in which ultra-precise, ultra-stable, ultra-reliable resistors with an extremely low total error budget are required under load and extreme environmental conditions. The wide range of intended end products include automatic test equipment; high-precision instrumentation; laboratory, industrial, and medical equipment; high-end audio gear; electron beam scanning and recording equipment including electron microscopes; and military, space, airborne, and downhole instruments and communications systems. The 35 % space savings realized by using the VFCP series flip chip design over wrap-around designs enables more compact end products.
Vishays revolutionary BMZF technology provides a significant reduction of the resistive components sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). This breakthrough level of stability, more than an order of magnitude better than that offered by thin film technology, allows designers to guarantee a high degree of accuracy in fixed-resistor applications.
The VFCP series consists of resistors in five surface-mountable case sizes 0805, 1206, 1506, 2010, and 2512 with a range of maximum power ratings from 100 mW to 750 mW and resistance ratings from 10 ohms to 150 kohms, with even lower and higher resistance values available by request. The resistors achieve excellent load-life stability of ±0.01 % at maximum power, and even greater stability of ±0.005 % at decreased power.
New Vishay Surface-Mount Bulk Metal Z Foil Flip Chip Resistors: Summary Table
Additional featured specifications include a low thermal EMF of less than 0.05 V/ °C, voltage coefficient below 0.1 ppm/V, inductance lower than 0.08 H, and response time faster than 1 ns. The noise generated by these resistors is less than -40 dB, or essentially noise-free.
Both lead (Pb)-free and tin/lead alloy terminal finishes are available, and matched resistor sets can be provided by request. Vishay's application engineering department is available to advise customers and make recommendations for non-standard technical requirements and special applications.
Available in waffle-pack and tape-and-reel packaging, samples and production quantities of the VFCP series of resistors are available now. Lead time for production quantities is four to six weeks, and less on request. Pricing for U.S. delivery starts under $4.00 and depends on size, value, tolerance, and volume.
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, transistors, and optoelectronics) and selected ICs, and passive electronic components (resistors, capacitors, inductors, and transducers). Vishay'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 25,000 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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