A&S Thyristor Co., Ltd.
A&S Thyristor Co., Ltd., a constituent company of A&S Machinery Co., Ltd., was established in 2008. We have been devoted to providing high-quality thyristors and rectifiers for customers from all over the world.
Our product range includes bidirectional thyristors, reverse conducting thyristors, gate turn-off thyristors (GTO), gate-commutated thyristors (GCT), phase thyristors, distributed gate thyristors, integrated gate-commutated thyristors (IGCT), pulse thyristors, HVDC thyristors, fast switching thyristors, and various packaging options including plastic silicon controlled ceramic and metal silicon controlled devices. The company also offers high-power, medium voltage, and low-power thyristors to meet diverse industrial requirements.
A&S Thyristor Co., Ltd. maintains a robust supplier network by providing thyristors and rectifiers from renowned international brands such as ABB, IXYS, Infineon, Semikron, Mitsubishi, Powerex, AEG, EUPEC, Vishay, GE, Westcode, Westinghouse, Toshiba, SanRex, NEC, GOLD, and POSEICO. This global sourcing capability enables reliable quality and diverse specification options for customers around the world.
In addition to standard product lines, the company offers customization services for bulk orders to accommodate specific project needs, performance targets, or unique packaging. This flexibility supports customers across various sectors that rely on thyristor technology for power control and conversion applications.



