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what is this ic

Discussion in 'Power Electronics' started by esinior, Aug 27, 2021.

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  1. esinior


    Feb 15, 2021
    hi, j have a 220v motor driver and i think it is a dimmer from its bt138 triac (it goes to a 220-24 trans and then to the motor) and its ic surface is erased and expunged and i don't know its number, does anyone know what this could be? WhatsApp Image 2021-08-10 at 20.18.50.jpeg WhatsApp Image 2021-08-10 at 20.20.02.jpeg
  2. Bluejets


    Oct 5, 2014
    Manufacturers do that for a reason........

    Reason is so you don't know elcheapo manufacture.
    davenn likes this.
  3. davenn

    davenn Moderator

    Sep 5, 2009
    could be anything
    [mod edit: moved reply outside the quote]
    Last edited by a moderator: Aug 28, 2021
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