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2.1 Silicon Carbide Varistor Discs

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2.1 Silicon Carbide Varistor Discs 2017-09-08T11:09:35+00:00

Key features

  • Extended temperature range up to 200°C
  • Higher Energy rating than comparable SiC Ceramics
  • Higher continuous Power rating
  • Large variations of different mounting arrangements
  • Dimensions and electrical values can be modified to customer requirements
  • Free of charge design service including technical drawing to international standards
  • Silicon Carbide Varistor Disc
  • Silicon Carbide Varistor Disc Stack parallel
  • Silicon Carbide Varistor Disc Single Disc Stack

Please find here all discriptions as pdf


General Information

  • Varistor dimensions can vary in a wide range. Customer specified dimensions are possible.
    We are not limited to rund discs, we can also produce square and rectagular format varistors
  • If required we also support with metal housing in IP00, IP22 and also GfK-presspack
  • SiC ceramic has generally a selfhealing caracteristic. This means the varistor is evaporating the failed part oft he ceramic. Now he is protecting the circuit against further impulses with slightly reduced energy parameters.
  • The temperature stability of our ceramic is higher as the ceramicof our competitors. This is a result of over 70 years of developement in our company. Our SiC ceramic can bear the following temperatures:
    • Continuous 180°C
    • Short time 220°C
    • In case of failure up to 600°C
  • We have testet our ceramic and also the one of our competitos in al long duration test with load under a temperature of 200°C. This has shown that our ceramic withstand this conditions at least 2 times longer as the others.
  • Much higher current pulses possible with our products, our ceramic can also protect against lightning impulses