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Studies on Reliability of PVC-Graphite Thick Film Resistors
B. Poornaiah, B. Rambabu, K.V. Subrahmanyam and Y. Srinivasa Rao

This investigation is undertaken to determine the reliability of PVC-graphite thick film resistors by determining the potential failure mechanism and the mean time–to–failure. Different drift functions are described for PVC-graphite thick film resistors with different PVC-graphite compositions. The values of the functional parameters depend strongly on the storage test temperature. The mean-to-failure of the PVC-graphite thick film resistors are calculated using Pranchov’s model for reliability prediction of thick film resistors.

Keywords: Polymer resistors, reliability, composition

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