Foil Resistor Divider provides stability of 0.01% at 0.05 W.

Press Release Summary:

Surface mount DSM series integrates one matched pair of Bulk Metal® Foil resistors with absolute values of 5 ppm/°C and tracking values of 1 ppm/°C or better. Product utilizes 2-resistor, 3-terminal resistor network in compact molded, epoxy package that measures 0.16 x 0.106 in. With silver-coated copper-alloy terminals, product offers resistance values of 100 ohm to 10 kohm in resistance ratios from 1:1 to 100:1 with tight resistance-ratio tolerance as low as ±0.01%.

Original Press Release:

Vishay's New DSM Ultra-Precision, Surface-Mount Foil Resistor Dividers Provide Stability of 0.01% at 0.05 W, Tracking Values Down to 1 ppm/°C

MALVERN, PENNSYLVANIA - July 17, 2003 - Vishay Intertechnology, Inc. (VSH: NYSE) today announced the release of the DSM series of ultra-precision, surface-mount resistor dividers, which integrate a matched pair of Bulk Metal® Foil resistors featuring excellent stability and industry-leading TCR performance with absolute values of 5 ppm/°C and tracking values of 1 ppm/°C or better.

These new Vishay Foil Resistors dividers incorporate a two-resistor, three-terminal resistor network in a compact molded, epoxy package measuring 0.16 in. by 0.106 in. [4.0 mm by 2.7 mm]. The electrical performance of this integrated construction provides superior performance and improved use of space compared with discrete and matched-pair resistors. High stability of 0.01% at 0.05 W and 70°C over 2,000 hours also sets these dividers apart from competing devices.

The DSM series is intended for precision instrument amplifier applications, differential gain control, and precision voltage division applications in automated test equipment and measurement instrumentation, as well as in precision weigh scales and voltage dividers.

Resistance values of 100 Ù to 10 kÙ are available in a broad range of resistance ratios from 1:1 to 100:1, with a tight resistance-ratio tolerance as low as ±0.01%. Absolute tolerance is 0.02%. The DSM divider features a power rating of 0.1 W for the entire package at 70°C, or a rating of 0.05 W per resistor. The series' performance is enhanced by low thermal EMF of 0.1 µV/°C and low current noise of 0.01 µV/V(RMS) at -40dB.

DSM resistor dividers, which feature silver-coated copper-alloy terminals, weigh just 0.04 g and offer resistance to thermal shock, shock, moisture, high-frequency vibration, and extreme temperatures. They are specified for an operating temperature range of -65°C to +150°C.

Available in bulk-pack or tape-and-reel packaging, samples and production quantities of the DSM series resistors are available now. Lead time for production quantities is approximately 12 weeks. Pricing for U.S. delivery only in 100-piece quantities starts at $6.95.

Vishay, a Fortune 1,000 Company listed on the NYSE, is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, transistors, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, and transducers). The Company's components can be found in products manufactured in a very broad range of industries worldwide. Vishay is headquartered in Malvern, Pennsylvania, and has plants in sixteen countries employing over 25,000 people. Vishay can be found on the Internet at

Bulk Metal is a registered trademark of Vishay Intertechnology, Inc.


Customer Service
Vishay Intertechnology, Inc.
63 Lincoln Highway
Malvern, PA 19355-2120
Tel: 1 610 407-4800
Fax: 1 610 640-9081

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