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400v VS 400VRM

Discussion in 'Electronic Basics' started by Stacy, Nov 2, 2004.

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  1. Stacy

    Stacy Guest

    Im looking at two triacs
    one is 6A 400VRM TO-220 2N6343A
    other 6A 400 V TO-220 L4004L6

    My simple question is What does VRM mean are both of these basicaly the same
    ? Im looking at a schematic that calls for the a Triac that is 6A 220 or 400

    Should I just ignor the RM of the VRM.

  2. Brian

    Brian Guest

    Usually their voltage ratings are listed as VDRM and VRRM.

    VDRM = Peak Repetitive Forward Off State Voltage

    VRRM = Peak Repetitive Reverse Off Stat Voltage

    Most likely you are looking at the VDRM rating.

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