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ACST47S Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ACST47SST435Yes

ACST47S** is a semiconductor device manufactured by **STMicroelectronics (ST)**.

The ACST47S is a semiconductor device manufactured by STMicroelectronics (ST). Below are its key specifications, descriptions, and features:

Specifications:

  • Type: AC Switch (Triac)
  • Voltage Rating:
  • Repetitive Off-State Voltage (VDRM): 800V
  • Gate Trigger Voltage (VGT): 1.5V (typical)
  • Current Rating:
  • On-State Current (IT(RMS)): 47A
  • Non-Repetitive Surge Current (ITSM): 470A (for 10ms)
  • Gate Trigger Current (IGT): 50mA (typical)
  • Holding Current (IH): 50mA (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Package: TO-220AB (isolated tab)

Descriptions:

  • The ACST47S is a high-performance AC switch (Triac) designed for industrial and consumer applications requiring robust AC power control.
  • It is optimized for snubberless operation, reducing the need for external components in inductive load switching.
  • Features high noise immunity and low EMI generation, making it suitable for motor control, heating systems, and lighting applications.

Features:

  • Snubberless Design: Reduces external RC snubber requirements.
  • High Commutation Capability: Ensures reliable switching under inductive loads.
  • High Surge Current Handling: Supports short-duration overloads.
  • Isolated Package (TO-220AB): Enhances thermal performance and safety.
  • Low Gate Trigger Current: Simplifies drive circuit design.

For detailed datasheets and application notes, refer to STMicroelectronics' official documentation.

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