Power Electronics

High-Stability Resistor Chips

The new family of high-stability, thick film resistor chips from Vishay Intertechnology Inc. is designed for professional, industrial, military and other high-reliability applications requiring robust and reliable operation in extended temperature operating conditions. The new devices are particularly suited to calibration, power supplies, RF circuits and digital-to-analog conversion designs.

The Vishay Sfernice thick-film resistor chips includes CHP series standard passivated resistors and HCHP series resistors for higher frequency applications. Established reliability versions are also available. Each series covers the resistance range 0.1 &#937 to 100 M&#937, with 0.5 % tolerance and 100 ppm/°C temperature coefficient versions available from 10 &#937 to 5 M&#937. Twelve case sizes are available in industry-standard SMD packages, from 0502 to 2512. Nickel terminations are either pre-tinned for standard surface mount and reflow, or with gold over nickel for use with high-temperature solders or other applications, including wire bonding or gluing.

Sfernice resistors feature sputtered thin-film terminations with a nickel barrier for high robustness to thermal cycling and shocks, and deliver the close tolerance, high-stability, wide ohmic range, high peak power, and high-frequency performance benefits of thick-film resistors.

For more information, visit www.vishay.com.

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