High current gain 4H-SiC npn bipolar junction transistors |
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Authors: | Chih-Fang Huang Cooper J.A. Jr. |
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Affiliation: | Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA; |
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Abstract: | The authors report a common emitter current gain /spl beta/ of 55 in npn epitaxial-emitter 4H-SiC bipolar junction transistors. The spacing between the p+ base contact implant and the edge of the emitter finger is critical in obtaining high-current gain. V/sub CEO/ of these devices is 500 V, and V/sub CBO/ is 700 V. |
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