Semiconductor elements work for power conversion and generate heat. A plurality of heat-radiating fins are juxtaposed at intervals to form a passage in a first axis direction, receive the heat from the semiconductor elements, and expel the heat into the air flowing through the passage. A first protective fin has an end face having an equal length in the juxtaposition direction to and mutually facing the end face on the first axis positive side of at least some of the heat-radiating fins, and extends in the first axis positive direction from that end face. A second protective fin has an end face having an equal length in the juxtaposition direction to and mutually facing the end face on the first axis negative side of at least some of the heat-radiating fins, and extends in the first axis negative direction from that end face.


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    Titel :

    Vehicular power conversion device


    Beteiligte:

    Erscheinungsdatum :

    2017-05-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B61C Lokomotiven , LOCOMOTIVES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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