CR5AS 5A 400V Silicon Controlled Rectifier (SCR)

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Sold By: HatchnHackSKU: V0941

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The CR5AS is a Silicon Controlled Rectifier (Thyristor) commonly used in medium power control and rectification. It is essentially a Shockley diode with an extra terminal added. This extra terminal is called the gate, and it is used to trigger the device into conduction (latch it) by the application of a small voltage. To trigger, or fire, an SCR, the voltage must be applied between the gate and cathode, positive to the gate and negative to the cathode. The maximum input AC RMS voltage of this IC is 400V. It also offers high efficiency and a high surge current capability of 90A. If you are looking for a compact IC for rectification applications this can be a good choice!


  • High surge overload rating - 90 amperes peak
  • Ideal for printed circuit boards
  • Glass passivated device to reduce leakage current
  • Surface Mount Type


  • Static Switches
  • Motor Control
  • Strobe Flasher
Model CR5AS
Repetitive Peak Reverse Voltage 400V
DC Reverse Voltage 320V 
DC Forward Voltage 320V
RMS On-State Current 7.8A
Peak Surge Current 90A
Average Gate Power Dissipation 0.1W
Storage & Operating Temperature Range: -40°C to 125°C
Package DPACK
Quantity 100
Country of Origin China

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