Thin film chip resistor delivers extremely low TCRm

Vishay Intertechnology introduced an ultra-precision thin film chip resistor that offers a dramatic improvement in TCR and tolerance over previous-generation devices. Available in five case sizes from 0603 to 2512, the Vishay Dale Thin Film PLTU offers a tight TCR of ± 2 ppm/°C and tolerance of ± 0.01 % for industrial, medical, military, and aerospace applications.



With stable film and performance characteristics of ± 0.04% at +70°C for 10,000 hours, the device released today is optimised for precision applications requiring low noise and high stability over time and temperature. End products will include test and measurement systems, instrumentation, weight scales, and military and avionics guidance systems.
The PLTU provides a wide resistance range from 100 Ω to 3 MΩ, with non-standard values available. The device offers very low noise of < -30 dB, a low voltage coefficient of 0.1 ppm/V, power dissipation ratings from 150 mW to 1 W, 75 V to 200 V maximum working voltages, and an operating temperature range of -55°C to +125°C.
The resistor features a high-purity alumina substrate and corrosion-resistant special passivation method (SPM) enhancement, and it is available with lead (Pb)-free and lead (Pb)-bearing wraparound terminations over a nickel barrier. The device is halogen-free and flame-resistant in accordance with UL 94 V-0.
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