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Old 02-06-2015, 07:24 PM #1
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Default Damage Power supply 60w

Hi all I wonder if I could help with the number of this component of a power of 60w. I was burned and can not see that number had, thank you very much!




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Old 02-06-2015, 07:39 PM #2
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Default Re: Damage Power supply 60w

It looks like either a ceramic disk capacitor, or a MOV.

If you can get a better picture of the symbol underneath it, I could tell you definitively what it is.
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Old 02-06-2015, 08:05 PM #3
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Default Re: Damage Power supply 60w

It is a thermistor But I need the number of value was lost
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Old 02-06-2015, 08:09 PM #4
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Old 02-07-2015, 12:12 AM #5
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Default Re: Damage Power supply 60w

That would be an NTC (negative temperature coefficient) thermistor. Its a cheap way to limit inrush current. It probably blew for a reason i.e. a short somewhere else. You can select a value yourself if you know the typical mains operating current of your supply, but I would strongly suggest you find out why it burned first.

In a pinch, you can just short them out to bypass them. But that's bad if there's a fault elsewhere. At least it'll set fire to the fault - making it more visible
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Old 02-07-2015, 04:38 AM #6
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Default Re: Damage Power supply 60w

Yea, I see the fuse is missing. I bet that
was blown too, wasn't it? That is a real
bad sign.
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Old 02-07-2015, 04:51 AM #7
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Default Re: Damage Power supply 60w

Thanks cyparagon the diode bridge its for 8 Amp could Putin the thermistor 8Amp
the lightning stalker the fuse is good :$
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Old 02-07-2015, 05:16 AM #8
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Default Re: Damage Power supply 60w

Okay, interesting. Well you can get NTC
thermistors out of old TVs and computer
power supplies. Find one with similar
specs. Or if you look very carefully, you
might find a piece that has some numbers on
it.
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Old 02-07-2015, 05:29 AM #9
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Default Re: Damage Power supply 60w

the lightning stalker there is the problem which are not specifications. Any numbers not seen that part was burned
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