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Resistor arrays with tolerances down to 0.1%

Posted: 20 Dec 2005 ?? ?Print Version ?Bookmark and Share

Keywords:Vishay Intertechnology? resistor array? Beyschlag? ACAS 0612?

Vishay Intertechnology Inc. unveiled new resistor arrays with matched tolerances down to 0.1 percent. These arrays combine four thin film resistors into a single package with a footprint of 1.6-by-3.2mm, a 40 percent reduction compared to the use of four discrete 0603 resistors.

The new Vishay Beyschlag ACAS 0612 series resistor arrays are available in both precision and professional versions. They have absolute TCR down to 25ppm/K, and tracking TCR as low as 10ppm/K. The devices are offered in industry-standard resistance values from 100 to 221 k in numerous configurations including four equal, four different, or two equal value pairs. Matched values for applications such as precision voltage dividers are also available from stock.

The ACAS 0612 precision resistor arrays deliver high repeatability and stable performance in automotive, industrial and audio applications. They are suitable for all circuits where designers need close control over the actual resistance present, including feedback circuits, sensing, signal conditioning, measurement bridges, input voltage dividers for analog and digital circuits and bus terminations.

By reducing component count, the ACAS 0612 resistor arrays simplify design and reduce assembly time and complexity, as well as component procurement. Each resistance element is rated to 0.1W dissipation, up to a maximum of 0.3W per package. Operating voltage of 75V and maximum film temperature of 125C allow designers to benefit from the multi-chip features offered by ACAS 0612 arrays in the majority of applications that demand precision resistors, said Vishay.

The new devices are RoHS-compliant and compatible with tin/lead and Pb-free soldering processes. In addition to full compliance with these directives, 2000/53/EC End of Vehicle life (ELV) and 2000/53/EC Annex II to End of Vehicle Life (ELV II), the ACAS 0612 series also meets further CEFIC-EECA-EICTA legal restrictions on hazardous substances. These include 2002/95/EC RoHS, and 2002/96/EC WEEE.

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