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Ceramic PTC thermistors protect e.g. the inputs of power supplies from excessive inrush and surge currents caused by charging of capacitors. Applications are inverters of air-conditioners, industrial drives, welding machines, on board chargers, charging and discharging of DC link capacitors in hybrid and electrical vehicles.The components are characterized by their high reliability and the fact that they require only minimal additional design-in effort. The portfolio covers leaded disk versions and PTCs in housing for DC link voltages of up to 800 V.

News

Nov. 29, 2018
"Products Conforming to European Union RoHS Directive / Product Information Concerning Revised China RoHS" has been updated.
Aug. 27, 2018
PTC Inrush Current Limiters, PTC Thermistors for Overcurrent Protection, PTC Thermistors for Telecom Applications: "How to use PTC thermistors as current protection" has been released.
Jul. 18, 2017
Current protection devices:Extended range of PTC inrush current limiters
Jul. 4, 2017
PTC Inrush Current Limiters, PTC Thermistors for Overcurrent Protection, PTC Thermistors for Telecom Applications: A new release of the product portals.
Apr. 12, 2017
“Classifications of Medical Devices” and TDK Products’ Coverage of Those Classes has been released.
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