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RE: GZ32 for 5U4?

Posted by Eli Duttman (A) on April 29, 2010 at 16:48:03

In Reply to: GZ32 for 5U4? posted by gortnipper on April 29, 2010 at 02:57:36:

Highly unlikely, IMO. GZ32 "=" 5V4. The 5U4 is more tolerant of capacitance than the 5V4 is. The forward drop in a 5U4 exceeds the forward drop in a 5V4. The 5U4G is rated for 225 mA. and the 5U4GB is rated for 250 mA., while the 5V4 is rated for 175 mA. Finally, should B+ be taken from a CT on the 5 VAC winding, rewiring to take B+ from pin 8 of the rectifier socket is required.

What's the problem? NOS 5U4GBs remain affordable and the current production EH 5U4GB has a decent reputation.


Eli D.

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