All About Circuits

Question about FET

ian field

ian field

Joined Oct 27, 2012
6,536
ronv said:
The 6N80 is a slightly better part
Click to expand...
It wouldn't hurt to study the datasheet and check whether the part being replaced is particularly enhanced for switching speed.

This wasn't uncommon in the flyback converters I encountered in PC monitors.
 
J

Thread Starter

james thompson

Joined Dec 25, 2014
8
ronv said:
Yeh, looks like.
Be aware the original problem is probably not the FET. It may be just the weak link. Usually the problem is a bad capacitor(s). Check them for any leakage or puffiness on the tops before you just change the FET.
Click to expand...
will do thanks again
 
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