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Old 15th November 2009, 08:30 PM   #1
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Default Rockford T20001BD. Need help

Hey guys,
Hope you can help me out here. I have quite a few transistor`s/mosfet`s blown on my amplifier.
I can read of the transistors:
NG27AD 6 pc.
NG28AD 2pc

Where can i buy these? How do i find out what size they are?
Any help would be much appreciated!

Brgds chris - Norway
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Old 15th November 2009, 08:51 PM   #2
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There are numbers below those on the face of the FETs. Some will likely have 75339 (HUF75339P) or similar.
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Old 15th November 2009, 08:57 PM   #3
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Perry I have one of those jewels if you need pictures. Can't help you with voltage readings, the area around the 3525 is severely damaged by water.
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Old 15th November 2009, 09:16 PM   #4
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Quote:
Originally Posted by Perry Babin View Post
There are numbers below those on the face of the FETs. Some will likely have 75339 (HUF75339P) or similar.
Perry,Thanks for the reply!

I can also read of this number: 75344G

Do you by any chance know where i can purchase these? Or get the similar ones?

If you can help me out with this one im going to have to send flowers to louisana
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Old 15th November 2009, 09:47 PM   #5
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HUF75344G3 - Fairchild - datasheet

mouser.com:
512-HUF75344G3

You may also need gate resistors (10 ohm surface mount) and driver transistors (MMBTA56 and possibly MMBTA06).

Did any of the output transistors fail/short?
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