Vishay Intertechnology’s New PLTT Precision Low-TCR, High-Temperature Thin Film Resistor

29 MARCH 2011

Vishay Intertechnology, Inc. introduced a new precision low-TCR thin film resistor offering a wide operating temperature range of – 55 degree C to + 215 degree C. Providing nearly a 100 ?C extension in operating temperature range over traditional thin film chip resistors, the PLTT features a low standard TCR of ± 5 ppm/degree C and tolerances down to ± 0.02%.
With stable film and performance characteristics of 500 ppm at + 215 degree C for 2000 hours, the resistor released today is optimized for the low-noise, single-signal processing required to compensate for low offset and temperature drift in high-temperature environments, including down-hole applications, high-precision oil and gas exploration, and telecommunications and industrial equipment.
Offered in the 0805 case size, the PLTT resistor offers a resistance range from 250Ohm to 50 kOhm, with non-standard values available. The device features very low noise of < - 35 dB, low voltage coefficients of 0.1 ppm/V, a power rating of 250 mW, and a 75 V to 200 V working voltage range. The PLTT features a high-purity ceramic substrate, 10 μin gold terminations over nickel barrier for high-temperature HMP soldering, and corrosion-resistant special passivation method (SPM) enhancement. The resistor is compliant with RoHS Directive 2002/95/EC, halogen-free according to the IEC 61249-2-21 definition, and flame-resistant in accordance to UL 94 V-0. Samples and production quantities of the PLTT resistor are available now, with lead times of 10 to 12 weeks for standard orders. Follow Vishay thin film resistors at Vishay Intertechnology, Inc.

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