October 29, 2008
PTC thermistors: Injection-molded heating elements
Thanks to an innovative production technology from EPCOS, world market leader in thermistors, PTC heating elements can now be manufactured in injection molding technology. As a result components can be made in nearly any desired shape, such as tubes, nozzles or rotor blades of ventilators and not only as round disks, rings or rectangular plates as before. These custom-fitted shapes open up many new applications for ceramic heating elements.
Because the heating elements can be incorporated precisely where the heat is required, they also avoid transmission losses and save energy. As a result, these customized heating elements are especially well suited for heating liquids and gases as well as for use in applications with high demands on power density under restricted space conditions.
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