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Silicon-controlled rectifiers (SCR), also known as thyristors, are symmetrical blocking unidirectional switching devices. They are designed in back-to-back AC circuits, resonant-pulse mode converters and rectifier-bridge converters. With RMS current ratings up to 80 A and voltage ratings up to 1200 V, ST’s SCRs are available in a large range of through-hole and surface-mount packages.

ST's thyristor (SCR) portfolio features:
• Logic-level SCRs, easy to drive thanks to their very low gate trigger current.
• Standard SCRs, ideal for general-purpose switching applications, such as and AC-AC
  or AC-DC motor control.
• High-temperature SCRs, extend SCR application operation up to 150 °C, while
  offering improved dynamic performance. Includes automotive-grade versions.


推奨製品

New 1200 V SCRs feature improved current and voltage surge robustness for industrial applications

Designed for industrial applications that require high immunity with a lower gate current, our TN4050-12PI and TN6050-12PI 40 and 60 A (respectively) SCR thyristors come in a high-power, through-hole ceramic TOP3 package with an isolated tab in compliance with UL 1557 standards. Also available in a 25 A version with a compact D²PAK package (TN2540-12G).

 

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