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May 2022 – Semikron Thyristors

Published on: 29/05/2022

Introducing Semikron’s robust and easy to use discrete thyristors

grey and red background with thyristor semiconductors in the middle

Semikron’s thyristor range by GD Rectifiers

Semikron specialises in discrete thyristors for low to high-power applications, offering a wide range of case designs are available in voltage classes from 200V to 8000V and current ratings from 1A to 7500A.


Semikron Thyristors Product Range (Discrete)

Stud (screw-fit) thyristors             10A to 300A

Capsule (disc) thyristors                340A to 1200A



Semikron’s discrete components are used in a wide variety of applications and thyristors are available in screw-fit (stud) and capsule housings for up to 7500A and 8000V.

Semikron’s discrete thyristors offer easy assembly, hermetic sealing and rugged construction.


Key Features

–       Recommended for forced air and water cooling

–       Compact case with high current capability

–       Stud and disc types: forward drop selections available for easy paralleling

–       Available in standard and fast versions



Semikron’s discrete thyristors are predominantly used in welding machines, battery chargers, electroplating, soft starters, DC motor control, AC controllers, alternators and many more. With sealed cases, discrete devices are convenient for both natural convection and forced cooling, allowing for a broader range of applications.


GD Rectifiers is an official distributor for Semikron and have partnered with the world-leading semiconductor manufacturer for over five decades. GD Rectifiers stocks Semikron thyristors and offers customers Semikron’s complete product range on a fast turnaround, providing expert technical support and competitive pricing.


For further information on Semikron thyristors, or to discuss an enquiry, please call: 01444 243 452 or email:


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