What can this chip (rfp40n10) be used for?

Discussion in 'The Projects Forum' started by RogueRose, Jun 9, 2015.

  1. RogueRose

    Thread Starter Member

    Oct 10, 2014
    188
    4
    I have a couple devices I took apart and they have a lot of these chips (rfp40n10) inside them. Here is a link to the datasheet:

    I tried to find these for sale but both digikey and mouser didn't have a price listed. I'm wondering if there is an alternative in case I need to buy more or replace them if I use them in a project build.
     
  2. kubeek

    AAC Fanatic!

    Sep 20, 2005
    4,669
    804
    Any other mosfet in the same package (TO-220AB), 40A or higher, 100V or higher, 0.040 ohm or lower should be an acceptable replacement. From the datasheet they are 16 years old, so you should not have trouble finding a suitable replacement, just check that the Vgs(th) parameter is in a similar range. The Qg gate charge might need to be similar or lower as well, but that really depends on in what circuit they are used in.
     
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