Surge absorber
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United States of America Patent
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-
Jan 31, 1995
Grant Date -
N/A
app pub date -
Jul 17, 1992
filing date -
Jul 18, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In a surge absorber, capable of suppressing a voltage surge and a current surge together without interrupting a signal transmission, an input electrode and an output electrode are spaced apart on the surface of a varistor substrate, and a resistance element is connected between the electrodes. A ground electrode is provided on the reverse side of the varistor substrate so as to face the input electrode with the varistor element therebetween. Thereby, a varistor element is formed by the input electrode and the ground electrode where a voltage surge and a current surge can be suppressed by the resistance element, and where a signal waveform is not weakened by capacitance of the varistor element, and ordinary signal transmission is not interrupted.
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