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Stackpole Electronics’ Sulfur-Resistant Resistor Chip Provides Stability, Long-Term Reliability in Industrial Applications

RALEIGH, NC (March 3, 2010) – Providing a high-power, low-cost alternative to thick film resistive technology, Stackpole Electronics’ RNCP Series thin film chip resistors insure high accuracy with a low TCR (temperature coefficient of resistance).  Offering twice the power rating compared to standard thick film technology, the RNCP Series devices feature high tolerance to harsh environments, including shock, vibration and temperature extremes. The RNCP Series does not use lead-containing glass making the part 100% lead-free with zero exceptions. Stackpole has eliminated silver from the terminations making the part impervious to sulfur while avoiding the use of expensive metals like gold. This reduces the cost of the resistor to be within 10% of a traditional standard thick film chip and significantly reduces noise and interrupted power.

Ideal for harsh environments and systems that require long-term reliability, such as industrial and off-highway applications, the rugged RNCP Series offer all of the advantages of thin film technology, including high stability, low noise and high operating temperatures.

“With the capability to withstand high temperatures and vibration, the RNCP Series meets all necessary industrial and off-highway application requirements,” said Kory Schroeder, Director of Marketing at SEI.   “In addition, the anti-sulfur material extends the operating life of this already-rugged part, which is vital for applications where long term reliability is critical.”
Featuring absolute tolerances to ±1% 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.

The RNCP Series is available on standard 7-inch reels.  Pricing varies with chip size, tolerance, and resistance value and ranges; contact Marsh Electronics for volume pricing.