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Thin-film resistor avoids sulfur contamination

Posted: 26 Nov 2009 ?? ?Print Version ?Bookmark and Share

Keywords:resistor? communications? HDMI?

RNCP resistors

Stackpole Electronics' offers the RNCP series of thin-film resistors that provide twice the normal power rating compared to standard thick-film technology.

Combining high power handling, high accuracy and high stability with low noise characteristics, the low-profile RNCP resistors are suitable for cellphone base stations, high-speed data interface, HDMI and RF amplifier circuit applications, networking equipment and communications monitoring and control.

The elimination of silver and gold make the RNCP series devices impervious to sulfur contamination. This reduction in materials coupled with high volume sputtering processes reduces the cost of the resistor to be within 10 percent of the cost of standard general-purpose thick film chips, according to the company. In addition, the RNCP series does not have any lead-containing glass, making it RoHS-complaint without exemptions.

Featuring absolute tolerances to 1 percent and a TCR of 100ppm/C, the RNCP Series resistors are available in 0402, 0603, 0805 and 1206 chip sizes, with power ratings from 0.1W to 0.5W and maximum working voltages from 50V to 200V.

Pricing for the RNCP resistors varies with chip size, tolerance, and resistance value and ranges from around $1.00 per thousand to $10 per thousand in full reel quantities. The resistors are available on standard 7-inch reels.

- Ismini Scouras

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