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Need fuse

Discussion in 'General Electronics Discussion' started by Karthik rajagopal, May 31, 2016.

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  1. Karthik rajagopal

    Karthik rajagopal

    221
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    May 9, 2016
    Hi all,
    Recently I made a AC to DC converter with a 12 -0-12v transformer with 1 ampere rating. Can I use a 1 ampere fuse on the secondary side? If not what should I use. Please help.
     
  2. davenn

    davenn Moderator

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    Sep 5, 2009
    depends on what you are going to power from the PSU ?
    if the device is substantially less than 1A, then so should be the fuse

    if the device will be approaching 1A, then a 1A fuse would be appropriate
     
  3. Karthik rajagopal

    Karthik rajagopal

    221
    7
    May 9, 2016
    What do you mean by approaching 1A?
     
  4. BobK

    BobK

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    Jan 5, 2010
    He means close to (but not over) 1A.

    Bob
     
    davenn likes this.
  5. Karthik rajagopal

    Karthik rajagopal

    221
    7
    May 9, 2016
    What will be safe? Can I use one amps fuse or 500 ma fuse? I am just going to use it for simple circuits which draw less current.
     
  6. davenn

    davenn Moderator

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    Sep 5, 2009
    1A fuse will protect the PSU, if you are going to have a smaller current drawing load then use a smaller rated fuse to protect the load

    re-read what I said in my earlier post
     
  7. Karthik rajagopal

    Karthik rajagopal

    221
    7
    May 9, 2016
    Thank you so much davenn for the reply.
     
    davenn likes this.
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