瑞卓电子有限公司

Piezoelectric Ceramic Transformer (SOLIDFORMER®)

Piezoelectric transformer (SOLIDFORMER®) can generate a high voltage by

a low voltage input through the utilization of a resonance phenomenon of the
piezoelectric transducer.
The applications include high voltage power supplies,such as inverters for
liquid crystal display back-lighting, dust collectors, copy machines, facsimile
machines, ionaizer, and ozonizers.

Principle

The piezoelectr ic transfor mer has pr imar y and secondar y

electrodes on the piezoelectric ceramic. The primary side is
polarized in the thickness direction and the secondary side in the
length direction. (Arrow mark shows polarization direction). When
a voltage having a resonance frequency (Fr), determined by the
length dimension, is input on the primary side, a strong mechanical
oscillation is generated by inverse piezoelectric effect, and a
high voltage (Vo) is output from the secondary side, matching its
oscillation by direct piezoelectric effect.