For higher frequency applications in industry and traction, ABB offers two lines of fast thyristors: standard fast thyristors and Medium frequency thyristors.

The improved design of Standard fast thyristors ensures the low on-state voltage drop and switching losses, low reverse recovery and high di/dt performance. They can be used in Induction heating, inverters, DC chopper drives, UPS, pulse power and fast switching applications.

As regard to Medium frequency thyristors they have an extended distributed gate technology. They use specially designed cathode and gate design for effective operation in the medium frequency range up to 10 kHz. Applications including Induction heating, high frequency inverters/converters, UPS, pulse power and fast switching applications.


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