대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

$Y_{2}O_3$ 첨가에 따른 $Pre_{6}O_{11}$계 바리스터의 전기적 특성

Electrical Properties of $Pre_{6}O_{11}$-Based Varistors with $Y_{2}O_3$ Addition

  • 류정선 (동의대학교 전기공학과) ;
  • 윤한수 (동의대학교 전기공학과) ;
  • 남춘우 (동의대학교 전기공학과)
  • Ryu, Jung-Sun (Department of Electrical Engineering, Dong-Eui University) ;
  • Yoon, Han-Soo (Department of Electrical Engineering, Dong-Eui University) ;
  • Nahm, Choon-Woo (Department of Electrical Engineering, Dong-Eui University)
  • 발행 : 2000.07.17
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초록

The electrical characteristics of $Pre_{6}O_{11}$-based ZnO varistors doped with $Y_{2}O_3$ in the range 0.0-4.0 mol% sintered at 1350$^{\circ}C$ were investigated. The varistor without $Y_{2}O_3$ exhibited very low nonlinearity, which the nonlinear exponent is 4.54 and leakage current is 87.91${\mu}A$. However the varistors with $Y_{2}O_3$ exhibited in the range of 30.00-51.19 in the nonlinear exponent and 0.52-3.89${\mu}A$ in the leakage current. Especially, the varistor with $Y_{2}O_3$ of 0.5 mol% exhibited the nonlinear exponent of 51.19 and the leakage current of 1.32${\mu}A$.

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