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Question about fuses

Discussion in 'General Electronics Discussion' started by kevodfx, Apr 30, 2014.

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  1. kevodfx


    Apr 30, 2014
    Hi all

    I recently pulled a fuse from a Pioneer AMP. It is an SOC CES6 125V/10A fuse. I am familiar with cylindrical/barrel type fuses, but this one seems to be made of a hard gray plastic or ceramic instead of the typical glass housing I am used to. When I replace this fuse, do I have to get one of these or can I use a typical fuse with the standard glass housing?

    Thank you for your help!
  2. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    Nov 28, 2011
    I Googled those markings and discovered that the fuse is made by and the data sheet is at

    The CES is a 0.25x1.25" (3AB/3AG) ceramic cartridge fuse, described as "inrush withstanding", which I guess is similar to, or the same as, slow blow. It's also constructed like an HRC (High Rupturing Capacity) fuse (see and is specified with a breaking current of 10,000 amps!

    You should only replace it with a fuse with those characteristics - inrush withstanding, and high rupturing capacity.

    The closest I can find on the net is the Littelfuse 358 which has a breaking current of 1500 amps. It's available from Mouser:

    You haven't put your location on your profile so I don't know which supplier to recommend. Mouser ships worldwide but freight outside America can be pretty expensive.

    When you order a replacement, get several. Most likely there is a fault that caused the original fuse to blow, and it will probably do the same to the new one.
    kevodfx likes this.
  3. kevodfx


    Apr 30, 2014
    Awesome response. Thank you very much! I am in the US so it should not be an issue to ship. I was hoping this was something I could pickup at my local hardware store. Alas for simple endeavors...
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