Product Description

The DKFT1200A 8-18 Fast Turn-Off Thyristor is a high-power semiconductor device designed for demanding switching and power control applications. It features an interdigitated amplifying gate, fast switching capability, high di/dt performance, and low switching loss, making it well suited for industrial converter and heating systems. This model offers an average on-state current of 1200A, a repetitive peak off-state and reverse voltage range of 800V to 1800V, and a surge current capacity of 16kA. With its double-side cooled structure, low thermal resistance of 0.018°C/W, and 590g robust disc package, it provides reliable thermal performance and stable operation in high-power equipment.

✅ 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 1200A average on-state current

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

• High surge capability: Withstands up to 16kA surge current for reliable operation

• Double-side cooling design: Improves 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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