A 115-mm Ø 6-kV 2500-A Light-Triggered Thyristor

Masahide Watanabe, Yoshikazu Takahashi, Katsuhiro Endo, Hideaki Kakigi, Osamu Hashimoto

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A 115-mm Ø 6-kV 2500-A light-triggered thyristor has been developed for high power converter applications such as static var compensator (SVC). The large diameter high-voltage high-current light-triggered thyristor is achieved by ion implantation, large-diameter-element treatment, and cathode pattern design techniques. Such techniques and electrical characteristics of the newly developed light-triggered thyristor are described here. The device has on-state voltage of 3.0 V at 7800 A, minimum lighttriggering power of 10 mW, dv/dt capability of more than 3000 V/μs, di/dt capability of more than 300 A/μs, and turn off time of less than 400 ps.

Original languageEnglish
Pages (from-to)285-289
Number of pages5
JournalIEEE Transactions on Electron Devices
Issue number1
Publication statusPublished - 1990 Jan


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