SF304A TO247 Dual diode cross

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#2
#4
Your rectron is a super fast rectifier, so is the DUG suggestion. Assuming this is in some sort of SMPS maybe?

So whatever substitutes you may find, it is going to be important they also be fast recovery types.
 
#5
It's a standard power supply rectifier connected to a torroid transformer.
Nothing special about the application. It does not have to be fast recovery but fast recovery types are very common in this package for SMPS.
...just not in common ANODE types.

Jim
 
#6
Oh, then does it HAVE to be a dual diode in a TO247 then? How about a pair of TO220 single diodes? Mount them side by side - only takes slightly more room. Are you building or replacing?

Or get one of those square 30-35A bridge rectifiers and just use half of it. Bolt it to the chassis or the heat sink as needed. Even if this is a replacement of existing part, you can still mount a bridge on the chassis and run three wires back to the board.
 
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