Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/635
Title: Lead-free multilayer piezoelectric transformer
Authors: Guo, M
Jiang, XP
Lam, KH
Wang, S
Sun, C
Chan, HLW 
Zhao, X
Keywords: Transformers
Piezoelectric devices
Bismuth compounds
Sodium compounds
Barium compounds
Piezoceramics
Issue Date: 29-Jan-2007
Publisher: American Institute of Physics
Source: Review of scientific instruments, 29 Jan. 2007, v. 78, 016105, p. 1-4 How to cite?
Journal: Review of scientific instruments 
Abstract: In this article, a multilayer piezoelectric transformer based on lead-free Mn-doped 0.94(Bi[sub ½]Na[sub ½])TiO₃-0.06BaTiO₃ ceramics is presented. This piezoelectric transformer, with a multilayered construction in the thickness direction, is 8.3 mm long, 8.3 mm wide, and 2.3 mm thick. It operates in the second thickness extensional vibration mode. For a temperature rise of 20°C, the transformer has an output power of >0.3 W. With a matching load resistance of 10 Ω, its maximum efficiency approaches 81.5%, and the maximum voltage gain is 0.14. It has potential to be used in low voltage power supply units such as low power adapter and other electronic circuits.
URI: http://hdl.handle.net/10397/635
ISSN: 0034-6748
Rights: © 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in M. Guo et al., Rev. Sci. Instrum. 78, 016105 (2007) and may be found at http://link.aip.org/link/?rsi/78/016105.
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