Multilayer Varistor with Low-Voltage Characteristics from ZnO + ACoO3 Ceramics (A = Ca, Sr and Ba)

Abstract:

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The non-linear properties provided from ZnO + ACoO3 ceramics (A=Ca,Sr and Ba) and their application to MLCV for ESD-suppression were studied. Their ceramics showed excellent non-linear I-V properties in lower voltage region. Especially, ZnO + SrCoO3 ceramics intrinsically had about 20 % lower Vgb than those of Pr and Bi-based ZnO varistors. MLCV using ZnO + SrCoO3 ceramics demonstrated extremely low-voltage property of V1mA= 5.6 V with maintaining excellent non-linearity and reliability performance against ESD.

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Periodical:

Edited by:

Chazono Hirokazu, Fujihara Shinobu, Katayama Keiichi, Masumoto Hiroshi, Mizoguchi Teruyasu, Osada Minoru, Shinozaki Kazuo and Takeda Hiroaki

Pages:

249-252

DOI:

10.4028/www.scientific.net/KEM.485.249

Citation:

E. Koga et al., "Multilayer Varistor with Low-Voltage Characteristics from ZnO + ACoO3 Ceramics (A = Ca, Sr and Ba)", Key Engineering Materials, Vol. 485, pp. 249-252, 2011

Online since:

July 2011

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Price:

$35.00

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