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4AC19 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
4AC19SK200Yes

4AC19** is a **thyristor (SCR)** manufactured by **Semikron (SK)**.

The 4AC19 is a thyristor (SCR) manufactured by Semikron (SK). Below are its key specifications, descriptions, and features:

Specifications:

  • Voltage Rating (VDRM/VRRM): 1900V
  • Current Rating (IT(RMS)): 4A
  • Non-Repetitive Peak Surge Current (ITSM): 40A (for 10ms)
  • Gate Trigger Current (IGT): 15mA (max)
  • Gate Trigger Voltage (VGT): 1.5V (max)
  • Holding Current (IH): 10mA (max)
  • On-State Voltage Drop (VTM): 2.0V (max at IT = 4A)
  • Critical Rate of Rise of Off-State Voltage (dv/dt): 1000V/µs
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: TO-202 (stud-type)

Description:

The 4AC19 is a high-voltage, low-current thyristor designed for switching and control applications in power electronics. It is commonly used in industrial and commercial circuits requiring precise AC power control.

Features:

  • High blocking voltage (1900V)
  • Low gate trigger requirements
  • Fast switching capability
  • Robust surge current handling
  • Reliable stud-type package for heat dissipation

This SCR is suitable for applications such as motor control, power supplies, and phase control circuits.

(Note: Always refer to the official Semikron datasheet for exact performance characteristics and application guidelines.)

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