Transistor and fet question

mike49504 · 16th September 2010, 03:03 AM

Im working on a zapco amp and the fets they are using are IRFZ40.

Will IRFZ44's be a good replacement?

Also the drivers are 2n6725 and 2n6726

I have the 2n6725's . Is there a good sub for the 6726's?

sathit dokmadue · 16th September 2010, 04:19 AM

IRFZ44 ok

Different
2N6725
http://www.datasheetcatalog.org/data...589z5sl7wy.pdf
2N6726
http://www.datasheetcatalog.org/data...dpuordqwyy.pdf

mike49504 · 16th September 2010, 04:46 AM

I know they are different.

Im looking for a good replacement (sub) for the 2n6726's

Anyone know of a good sub?

Perry Babin · 16th September 2010, 02:51 PM

If these are the power supply FET drivers, they're not likely critical components. Unless the amp has more than 8 Z44s/bank, the MPSA06 and MPSA56 are likely perfectly suitable replacements.

16th September 2010, 03:03 AM	#1
mike49504 diyAudio Member Join Date: Sep 2006	Transistor and fet question Im working on a zapco amp and the fets they are using are IRFZ40. Will IRFZ44's be a good replacement? Also the drivers are 2n6725 and 2n6726 I have the 2n6725's . Is there a good sub for the 6726's?

16th September 2010, 02:51 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If these are the power supply FET drivers, they're not likely critical components. Unless the amp has more than 8 Z44s/bank, the MPSA06 and MPSA56 are likely perfectly suitable replacements. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

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16th September 2010, 04:19 AM	#2
sathit dokmadue diyAudio Member Join Date: Aug 2010 Location: Thailand	IRFZ44 ok Different 2N6725 http://www.datasheetcatalog.org/data...589z5sl7wy.pdf 2N6726 http://www.datasheetcatalog.org/data...dpuordqwyy.pdf

16th September 2010, 04:46 AM	#3
mike49504 diyAudio Member Join Date: Sep 2006	I know they are different. Im looking for a good replacement (sub) for the 2n6726's Anyone know of a good sub?

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