can i replace mosfet with other N-mos - diyAudio
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Old 18th February 2009, 01:19 PM   #1
diyAudio Member
Join Date: Aug 2007
Smile can i replace mosfet with other N-mos


I have a little problem, with a power supply from a computer.

I have I have a broken transistor N-channel mos-fet

the part number is fqpf5n50c

but i have'nt this part

Can you tell me please if i can replace it with this N-channel mos-fet part number:IRFBC40

or STP3NC60FP,

the datascheets are:

thanks a lot for your help
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Old 18th February 2009, 01:30 PM   #2
AndrewT is offline AndrewT  Scotland
diyAudio Member
Join Date: Jul 2004
Location: Scottish Borders
Why did it break?
Was it below spec?
Or was it driven beyond spec?

Maybe you need to consider how to make it reliable before deciding on the specification of the replacement.
regards Andrew T.
Sent from my desktop computer using a keyboard
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Old 18th February 2009, 01:37 PM   #3
diyAudio Member
Join Date: Aug 2007
Thanks AndrewT

I don't know why it was broken because I recovered the power supply.

But i think that's the dust in the power supply blow the n-mos

so do you know "with the datasheet " if it was possible to replace the original N-mos fqpf5n50c with one of theses parts IRFBC40 or STP3NC60FP

thanks a lot
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