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4AK21 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
4AK21HIT310Yes

4AK21** is a high-power thyristor manufactured by **HIT (Hangzhou Silan Microelectronics Co.

The 4AK21 is a high-power thyristor manufactured by HIT (Hangzhou Silan Microelectronics Co., Ltd.). Below are its key specifications, descriptions, and features:

Specifications:

  • Repetitive Peak Off-State Voltage (VDRM/VRRM): 2100V
  • Average On-State Current (IT(AV)): 40A
  • Non-Repetitive Surge Current (ITSM): 400A (10ms sine wave)
  • Gate Trigger Current (IGT): ≤50mA
  • Gate Trigger Voltage (VGT): ≤2.5V
  • Holding Current (IH): ≤200mA
  • Critical Rate of Rise of Off-State Voltage (dv/dt): ≥1000V/µs
  • Operating Temperature Range (Tj): -40°C to +125°C
  • Package: TO-247

Descriptions:

  • Designed for high-power switching applications.
  • Suitable for AC/DC power control, motor drives, and industrial equipment.
  • Features a high blocking voltage and robust surge current capability.

Features:

  • High Voltage Capability: Supports up to 2100V.
  • Low Trigger Current: Ensures efficient gate control.
  • Fast Switching: Optimized for high-frequency applications.
  • High dv/dt Rating: Provides resistance to voltage transients.
  • Reliable Performance: Robust construction for industrial use.

For exact application guidelines, refer to the official datasheet from HIT.

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