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Ultra-high-precision resistors operate up to 225°C

12 Nov 2015

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Vishay Precision Group (VPG) Foil Resistors has revealed that its Vishay Foil Resistors (VFR) brand has rolled out a series of ultra-high-precision Z1 Foil Technology wraparound surface-mount chip resistors geared for high-temperature applications to 225°C. According to the company, the devices meet the growing demand for precise, stable and reliable resistors that can operate in harsh conditions.

Featuring gold-plated terminals for design flexibility, FRSG series devices offer low TCR of ±2.5ppm/°C maximum from -55°C to 200°C, 25°C ref.; tight tolerances to ±0.01 per cent; and load-life stability to ±0.1 per cent after 2,000 hours of working power at 200°C.

Optimised for down-hole drilling, oil and gas exploration, and avionics, military and space (AMS) applications, the resistors offer a resistance range from 10Ω to 125kΩ, with any conceivable ohmic value within this range, to six digits, available with no additional cost or lead time effect. Available in six case sizes from 0603 to 2512, the devices provide working power to 750mW at 70°C and 300mW at 200°C.

The resistors feature a rise time of 1ns with effectively no ringing. Rapid prototype samples are available on request. Production quantities are available in as little as 10 weeks.

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