IRFB31N20D replacement?

Member
Joined 2006
Paid Member
The 31N20d has been discontinued officially.

Has anybody tried using the new suggested replacement for the 31N20D?

For me, that output was the heart of alot of the amps through my shop.

The IRFB4020PBF was suggested by Arrow, and I ordered 25 of them to test, has anybody tried a substitute?