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Chip resistors guarantee robustness

Posted: 20 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:series HVC? chip resistor? thick film robustness?

Providing design engineers with a robust device ideal for a variety of high voltage, harsh environment applications, TT electronics IRC now offers a thick film chip resistor with resistance values to 100M?. Designated the HVC series, the resistors are rectangular and feature high voltage operation in standard 1206, 2010 and 2512 package sizes, making them well suited for automatic handling methods, claims the company.

"Along with the robust thick film construction, the wrap-around terminations have an electroplated nickel barrier and either tin/lead or RoHS compliant matte tin finish, ensuring excellent leach resistance properties and solderability," said Gary Bleasdell, thick film business unit director for IRC. "The overall construction allows the chip resistor to operate in harsh, high voltage environments, including those in medical and military applications."

The robust construction and electrical specifications make the HVC series chip resistors ideal for medical devices (defibrillators), high voltage power supplies (photomultiplier tube amplifiers), and military equipment (night vision cameras, x-ray equipment).

The HVC series resistors feature a resistance range of 100K? to 1M ?, with tolerances to 0.5 percent, 1 percent, 2 percent, and 5 percent. Continuous voltage ratings are up to 3KV, with maximum overload voltage to 4.5KV. Power ratings for the 1206, 2010 and 2512 resistors are 0.3W, 0.5W and 1W, respectively, with rated voltages of 1000V, 2000V and 3000V. The HVC series also offer low voltage coefficient (VCR) of Typical pricing for the HVC Series resistors is approximately $0.50 in minimum order quantities of 10,000 pieces. Lead-time is from stock to 8 to 9 weeks.

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