Patent ID: 11929354
Assignee: FUJI ELECTRIC CO., LTD.
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 12:
13. A power semiconductor module, comprising:
a power semiconductor element having a high-potential-side main electrode and a low-potential-side main electrode;
a first external terminal;
a second external terminal;
a first wiring member that connects the high-potential-side main electrode to the first external terminal;
a second wiring member that connects the low-potential-side main electrode to the second external terminal; and
a first corrosion sensor disposed in a vicinity of the first wiring member for detecting corrosion of the first wiring member and a second corrosion sensor disposed in a vicinity of the second wiring member for detecting corrosion of the second wiring member.