z-foil resistor

Vishay Intertechnology introduced the new VCS1625Z ultra-high-precision Z-Foil surface-mount current sensing chip resistor. The new device provides an industrial-grade absolute TCR of ±0.05 ppm/°C from 0 °C to +60 °C and ±0.2 ppm/°C from −55 °C to +125 °C, +25 °C ref., an excellent power coefficient (“ΔR due to self heating”) of ±5 ppm at rated power, and a tolerance of ±0.2 %. While typical current sensing resistors offer a load-life stability of ≥0.5 % through a 1000-hour workload, the VCS1625Z features an improved load-life stability of ±0.02 % at +70 °C for 2000 hours at rated power.

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Vishay Intertechnology, Inc. introduced the new VPR220Z ultra-high-precision Z-Foil resistor. The new device provides an industrial-grade absolute TCR of ±0.05 ppm/°C from 0 °C to +60 °C and ±0.2 ppm/°C from -55 °C to +125 °C, +25 °C ref., a power rating up to 8 W at +25 °C per MIL-PRF-39009 (1.5 W in free air), an excellent power coefficient (“ΔR due to self heating”) of ±5 ppm at rated power, and a tolerance of ±0.01 %.

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To meet the demand for long-term performance in high-reliability applications, Vishay Intertechnology, Inc. introduced the new hermetically sealed VHP203 miniature ultra-high-precision Z-Foil resistor. The new device provides a low absolute TCR of ±0.05 ppm/°C from 0 °C to +60 °C and ±0.2 ppm/°C from −55 °C to +125 °C, +25 °C Ref, an excellent power coefficient (“ΔR due to self heating”) of ±5 ppm at rated power, a tolerance of ±0.001 % (10 ppm), and a load-life stability of ±0.002 % (20 ppm).

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Vishay’s New Z202 Miniature Ultra-High-Precision Z-Foil Resistors Combine Typical TCR of ±0.05 ppm/°C, Power Coeffient of Resistance (PCR )of ±5 ppm, and Tolerances to ±0.01% Devices Feature Load Life Stability of ±0.01 %, ESD Protection Above 25000 V, and Can be Trimmed to any Value at any Tolerance Within Standard Value Range

MALVERN, Pa. — Feb. 08, 2008 — Vishay Intertechnology, Inc. (NYSE: VSH) announces the Z202 series of miniature ultra-high-precision Z-Foil resistors, which provide a typical TCR of ±0.05 ppm/°C from 0 °C to +60 °C, PCR (.R due to self heating) of ±5 ppm at rated power, tolerances to ±0.01 %, load life stability of ±0.01 %, and can be trimmed to any specific value at any tolerance within the standard resistance range of 5 Ω to 30 kΩ.

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