Product Description

The DKFT1000A 8-18 Fast Turn-Off Thyristor is a high-power semiconductor device designed for fast switching and heavy-current industrial applications. It features an interdigitated amplifying gate structure, high di/dt capability, and low switching loss, making it ideal for demanding power control systems. With an average on-state current of 1000A, repetitive peak voltage range of 800V to 1800V, and surge current capacity up to 14kA, this thyristor delivers reliable performance in converters, choppers, and induction heating equipment. Its double-side cooled design and low thermal resistance help ensure stable operation under high-power conditions.

 Features

• Interdigitated amplifying gate: Enables fast triggering and stable gate control

• Fast switching performance: 18-50μs turn-off time supports rapid switching applications

• High current capability: Rated for 1000A average on-state current

• High surge resistance: Withstands up to 14kA surge current for reliable operation

• Low switching losses: Helps improve efficiency and reduce thermal stress

• Double-side cooling design: Enhances heat dissipation in high-power systems

• Wide voltage range: Available from 800V to 1800V repetitive peak voltage ratings

Applications

• Power converters

• DC chopper systems

• Induction heating equipment

• Industrial power control systems

• High-current switching circuits

• Medium- and high-power electronic equipment

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