3100 V, asymmetrical, gate turn-off (GTO) thyristors in 4H-SiC
- 1 March 2001
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Electron Device Letters
- Vol. 22 (3) , 127-129
- https://doi.org/10.1109/55.910618
Abstract
A 2-mm×2-mm, 4H-SiC, asymmetrical npnp gate turn-off (GTO) thyristor with a blocking voltage of 3100 V and a forward current of 12 A is reported. This is the highest reported power handling capability of 37 kW for a single device in SiC. The 5-epilayer structure utilized a blocking layer that was 50 μm thick, p-type, doped at about 7-9×10/sup 14/ cm/sup -3/. The devices were terminated with a single zone junction termination extension (JTE) region formed by ion-implantation of nitrogen at 650/spl deg/C. The device was able to reliably turn-on and turn-off 20 A (500 A/cm 2 ) of anode current with a turn-on gain (I/sub K//I/sub G, on/) of 20 and a turn-off gain (I/sub K//I/sub G, off/) of 3.3.Keywords
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