Comments on "1.88-mΩ . cm2 1650-V Normally on 4H-SiC TI-VJFET"

被引:1
|
作者
Veliadis, V. [1 ]
机构
[1] Northrop Grumman Elect Syst, Linthicum, MD 21076 USA
关键词
Junction field effect transistors (JFETs); normally off; normally on; silicon carbide (SiC); vertical channel; FIELD-EFFECT TRANSISTORS; TEMPERATURE; BEHAVIOR; DESIGN; IGBTS; JFETS; AREA;
D O I
10.1109/TED.2010.2079172
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The discussion section of paper "1.88-m Omega . cm(2) 1650-V Normally on 4H-SiC TI-VJFET" which appeared in IEEE TRANSACTIONS ON ELECTRON DEVICES, vol. 55, no. 8, August 2008, offers a comparative analysis between TI-VJFETs fabricated at USCI/Rutgers and VJFETs (SITs) fabricated at Northrop Grumman Electronic Systems (NGES) for power switching applications. I have a number of issues with this analysis which I wish to highlight. In addition, this paper claims VJFET performance records, which are dubious as they are based on on-resistance values obtained under bipolar operation and on blocking-voltages quoted at unspecified drain-current densities.
引用
收藏
页码:3540 / 3543
页数:4
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