Drill heads and downhole assemblies face temperatures that destroy ordinary electronics long before a well reaches depth. Vishay's PHT high stability precision resistors are rated for powered operation to 215 °C, with tolerances as tight as ± 0.05 % and sulfur resistance that withstands the sour gas common downhole. That stability keeps position, flow, and height measurement circuitry accurate even as drilling conditions intensify, giving operators reliable data from the harshest part of the wellbore.
Behind every downhole reading is The DNA of tech.®
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