Author Topic: Repair of stick welder, can't find suitable IGBT replacement  (Read 918 times)

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Offline Snake____1

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Repair of stick welder, can't find suitable IGBT replacement
« on: November 27, 2018, 12:21:24 am »
Hello,

My stick welder stopped working and I have narrowed it down to the IGBT module pack, problem is I can't find any replacement or even datasheet for that matter. I have attached an image of the IGBT module, the only number I can get any hits of is: P280B57.

Can anyone here help a fellow DIY'er out?
 

Offline tautech

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Re: Repair of stick welder, can't find suitable IGBT replacement
« Reply #1 on: November 27, 2018, 01:52:25 am »
Can you do a pic of the pin out please ?
Avid Rabid Hobbyist
 

Offline coromonadalix

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Re: Repair of stick welder, can't find suitable IGBT replacement
« Reply #2 on: November 27, 2018, 05:26:53 am »
model and brand name may help too, be more descriptive  thks
 

Offline Housedad

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Re: Repair of stick welder, can't find suitable IGBT replacement
« Reply #3 on: November 27, 2018, 06:27:48 am »
It looks a whole lot like a Vincotech part, but that part number did not come up.  I agree.  What maker of welder?  Age? Tig, mig, or stick?  Declared amperage  of welder?

At least I'm still older than my test equipment
 

Offline Snake____1

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Re: Repair of stick welder, can't find suitable IGBT replacement
« Reply #4 on: November 30, 2018, 11:33:58 pm »
Can you do a pic of the pin out please ?
Pinout is all over the place, the dismantling of the IGBT pack was more or less destructive as I had to snip the pins. Some of the pins came lose from the IGBT pack and was left on the PCB...

It looks a whole lot like a Vincotech part, but that part number did not come up.  I agree.  What maker of welder?  Age? Tig, mig, or stick?  Declared amperage  of welder?
It may be a TYCO P280B57 part, hard to get a hold of a retailer. This is a stick "MMA" welder, Fronius TP1100. Maximum 110A.
 

Offline PaulAm

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Re: Repair of stick welder, can't find suitable IGBT replacement
« Reply #5 on: December 01, 2018, 12:26:58 am »
There's a listing on Alibaba for that, might be worth a chance if nothing else turns up.
 


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