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|20th April 2008, 06:34 PM||#1|
Join Date: Oct 2007
Need help - Fet replacement Alpine MRV1505
Two of the DC-DC drive Fets is smoked in my Alpine MRV-1505 amp
MTAJ30N06E is the part number.
Cant find this part anywhere, here is a datasheet.
What Fet could i replace those with? Some IRF maybe?
There must be parts with much better specifications since this
is an quite old amp.
I know to look for Max voltage and Max DC/Peak Current.
What more Important specs should i look at compared from
Im not so familiar with Fets so some help finding a good
replacement would be nice.
The Fets (6 of them paralelled) are driven by a IC.
The Outputs read OK so i cant get why two of the Drive Fets
smoked, maybe its no fault and they smoked from overheating?
|20th April 2008, 06:44 PM||#2|
Join Date: Nov 2003
I use IRFIZ44Ns (note the second I) when I need fully encapsulated power supply FETs.
Look for broken solder connections in the drive circuit (IC to FET). Do this for both banks of FETs in the power supply.
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