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US 2026/0302008 A1Published application
Transient voltage protection device
AssigneeTDK Corporation
InventorsYoshihiro SHINKAI, Naoyoshi YOSHIDA, Masato HAYATSU, Shunsuke TAKAHASHI, Sota HIRABA, Jun SATO, Masato TAKAHASHI
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Abstract
A transient voltage protection device includes discharge electrodes in pairs apart with a gap therebetween and a discharge inducing portion having a surface exposed to the gap and being in contact with the discharge electrodes in pairs. The discharge inducing portion includes a ceramic component and metal particles. The surface of the discharge inducing portion between the discharge electrodes in pairs has a surface roughness Sa of 100 nm or more and 500 nm or less.
Claims15
A transient voltage protection device comprising:
- discharge electrodes in pairs apart with a gap therebetween;
- and
- a discharge inducing portion having a surface exposed to the gap and being in contact with the discharge electrodes in pairs,
- wherein
- the discharge inducing portion comprises a ceramic component and metal particles, and
- the surface of the discharge inducing portion between the discharge electrodes in pairs has a surface roughness Sa of 100 nm or more and 500 nm or less.
3 more elements
-16. (canceled)
Dependencies are inferred from the claim text.