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Image of Vishay TNPW Series Thin-Film Chip Resistors - Specified Resistive Drift

The meander trimming cut of the resistive element helps the TNPW series to be specified to a resistive drift of less than 0.1% when considering 8000 hours of operation with full power applied to the resistor. This is also known as the "Endurance at +70°C Test" as described on the product datasheet. The chart and table shown here illustrate the specified resistive drift over time of the TNPW series in comparison with thin film components from competitors of Vishay. Typical resistive drift over time for the TNPW series is much lower than the maximum specified resistive drift limit but should not be considered for worst case scenario analysis during the design process.

PTM Published on: 2014-10-23
PTM Updated on: 2022-02-15