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Welwyn precision voltage divider offers stability, accuracy

Posted: 17 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:tt electronics welwyn components? voltage divider? d1206 series?

Providing military and aerospace analogue design engineers with a precision two-element resistor network in a 1206 chip package, TT Electronics Welwyn Components has developed a military voltage divider that provides two matched resistors with precision absolute and ratio tolerances (0.05 percent/0.01 percent) on a single chip.

Designated the D1206 series , the ceramic chip exhibits better TCR tracking, higher accuracy, and significant board space savings compared to designs using two discrete resistors. The D1206 series voltage divider is composed of two TaNFilm tantalum nitride resistors on ceramic substrate, packaged on a standard 1206 size chip, which has a lower profile and occupies less board space than conventional plastic packaged (SOT-23) networks. The dividers feature a resistance range of 100 ohm to 200 kilohm, with absolute tolerances to 0.05 percent and ratio tolerances to 0.01 percent. TCRs are 25ppm/C absolute and 5ppm/C tracking. Power dissipation is 250mW and the operating temperature range is -55C to 125C.

- Henri Arnold

Electronics Express Europe

eeProductCenter




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