CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based upon and claims the benefit of priority from Japanese Patent Application No. 2020-049484, filed on Mar. 19, 2020; the entire contents of which are incorporated herein by reference.

FIELD

Embodiments relate to an isolator.

BACKGROUND

An isolator transmits a signal by utilizing the change of a magnetic field or an electric field in a state in which the current is blocked. It is desirable that breakdown of the isolator does not occur easily.

